Entries |
Document | Title | Date |
20080197415 | ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT HAVING MULTIPLE DISCHARGE PATHS - The present invention relates to an electrostatic discharge protection circuit of a semiconductor memory device to protect an internal circuit from static electricity. The electrostatic discharge protection circuit includes a first trigger unit which provides a first trigger voltage in response to static electricity transferred from at least one of a first and second voltage line. A second trigger unit provides a second trigger voltage by the static electricity in response to the first trigger voltage. An electrostatic discharge protection unit configures an electrostatic discharge path among the first voltage line, the second voltage line and an input/output pad in response the first and second trigger voltages. The electrostatic discharge speed of the electrostatic discharge protection unit is enhanced by the first and second trigger voltages. | 08-21-2008 |
20080211026 | Coupling well structure for improving HVMOS performance - A semiconductor structure includes a substrate, a first well region of a first conductivity type overlying the substrate, a second well region of a second conductivity type opposite the first conductivity type overlying the substrate, a cushion region between and adjoining the first and the second well regions, an insulation region in a portion of the first well region and extending from a top surface of the first well region into the first well region, a gate dielectric extending from over the first well region to over the second well region, wherein the gate dielectric has a portion over the insulation region, and a gate electrode on the gate dielectric. | 09-04-2008 |
20080224219 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME - A semiconductor device is provided having a high performance resistance element. In an N-type well isolated by an insulating film, two higher concentration N-type regions are formed. An interlayer insulating film is also formed. In a plurality of openings in the interlayer insulating film, one electrode group having a plurality of electrodes is formed on one N-type region, while a second electrode group having a plurality of electrodes is formed on the other N-type region. The relationship between the two N-type regions is between an island region and an annular region surrounding the island. The annular region of the N-type well between the island region and the annular region serves as a resistor R. Thus, discharge channels for charges applied excessively because of ESD or the like evenly exist in the periphery (four regions) of the one N-type region. | 09-18-2008 |
20080251846 | METHOD AND STRUCTURE FOR LOW CAPACITANCE ESD ROBUST DIODES - A diode having a capacitance below 0.1 pF and a breakdown voltage of at least 500V. The diode has an anode of a first conductivity type and a cathode of a second conductivity type disposed below the anode. At least one of the cathode and anode have multiple, vertically abutting diffusion regions. The cathode and anode are disposed between and bounded by adjacent isolation regions. | 10-16-2008 |
20080258223 | ESD PROTECTION DEVICE - An ESD protection device is provided. The ESD protection device of the present invention includes a semiconductor substrate/well, a first doped region, a second doped region and a third doped region. The first doped region doped with a first dopant is disposed in the semiconductor substrate/well. The second doped region doped with a second dopant is disposed in the semiconductor substrate/well, wherein a predetermined distance is maintained between the second doped region and the first doped region. The third doped region doped with the second dopant is disposed in the first doped region. The ESD protection device of the present invention is adapted for solving the reverse recovery problem of the conventional diode during the bipolar type ESD stressing. | 10-23-2008 |
20080265326 | Structure and method for self protection of power device with expanded voltage ranges - A vertical semiconductor power device includes a top surface and a bottom surface of a semiconductor substrate constituting a vertical current path for conducting a current there through. The semiconductor power device further includes an over current protection layer composed of a material having a resistance with a positive temperature coefficient (PTC) and the over current protection layer constituting as a part of the vertical current path connected to a source electrode and providing a feedback voltage a gate electrode of the vertical semiconductor power device for limiting a current passing there through for protecting the semiconductor power device at any voltage. | 10-30-2008 |
20080265327 | Substrate Isolated Intergrated High Voltage Diode Integrated Within A Unit Cell - An asymmetric semiconductor device ( | 10-30-2008 |
20080277727 | Apparatus and method for electrostatic discharge protection with p-well integrated components - An electrostatic protection circuit has a transistor for pumping charge into the substrate and a transistor, including a parasitic transistor, for removing charge from the substrate and tabs. The circuit is enclosed by barrier that prevents the migration of charge from the region of the transistors. The added charge in the region of the parasitic transistor, resulting from the increased charge in the region of the parasitic transistor, increases the flow of current between electrodes of the transistor, thereby removing the electrostatic charge more efficiently. removing the electrostatic charge more efficiently. | 11-13-2008 |
20080296684 | SEMICONDUCTOR APPARATUS - A semiconductor apparatus includes a semiconductor substrate, an insulating film provided on the semiconductor substrate, and a semiconductor film provided on the insulating film. The semiconductor substrate includes a region of a first current path including at least one diode, the semiconductor film includes a region of a second current path including at least one diode, the first current path and the second current path are connected in parallel to each other, the region of the first current path includes at least part of an area directly below the region of the second current path, and the first current path has a higher resistance than the second current path. | 12-04-2008 |
20080296685 | ANALOG SWITCH - An analog switch having a low capacitance is achieved. Potentials of input/output terminals of the analog switch and a well potential and a gate potential of an NMOS switching device are operated in synchronization via level shift buffers, thereby cancelling parasitic capacitances present between these elements. | 12-04-2008 |
20080303092 | Asymetrical Field-Effect Semiconductor Device with Sti Region - A high voltage asymmetric semiconductor device ( | 12-11-2008 |
20080308868 | HIGH VOLTAGE METAL OXIDE SEMICONDUCTOR TRANSISTOR AND FABRICATION METHOD THEREOF - A high voltage metal oxide semiconductor includes a doped substrate, two first isolation structures, a gate structure, a source region, a drain region, two second isolation structures, and two drift regions. The two first isolation structures are respectively disposed in the doped substrate. The gate structure is disposed between parts of the two first isolation structures on the doped substrate. The source region and the drain region are respectively disposed beside one side of each of the two first isolation structures in the doped substrate. The top surface of the second isolation structure is smaller than the bottom surface of the first isolation structure. The two drift regions are respectively disposed in the doped substrate, enclosing the source region and the drain region, the two first isolation structures and the second isolation structures. | 12-18-2008 |
20090001472 | ELECTROSTATIC DISCHARGE PROTECTION DEVICES AND METHODS FOR FABRICATING SEMICONDUCTOR DEVICES INCLUDING THE SAME - A method for fabricating a semiconductor device is provided. According to this method, a first gate electrode and a second gate electrode are formed overlying a first portion of a silicon substrate, and ions of a first conductivity-type are implanted into a second portion of the silicon substrate to define a first conductivity-type diode region within the silicon substrate. Ions of a second conductivity-type are implanted into a third portion of the silicon substrate to define a second conductivity-type diode region within the silicon substrate. During one of the steps of implanting ions of the first conductivity-type and implanting ions of the second conductivity-type, ions are also implanted into at least part of the first portion to define a separation region within the first portion. The separation region splits the first portion into a first well device region and a second well device region. The separation region is formed in series between the first well device region and the second well device region. | 01-01-2009 |
20090014800 | SILICON CONTROLLED RECTIFIER DEVICE FOR ELECTROSTATIC DISCHARGE PROTECTION - An SCR device includes a substrate, a plurality of isolation structures defining a first region and a second region in the substrate, an n well disposed in the substrate, an n type first doped region disposed in the first region in the substrate, a p type second doped region disposed in the second region in the substrate, and a p type third doped region (PESD implant region) disposed underneath the first doped region in the first region in the substrate. The well is disposed underneath the first region and the second region, and the third doped region isolates the first doped region from the well. | 01-15-2009 |
20090032875 | SEMICONDUCTOR DEVICE - There is provided a semiconductor device comprising: a first semiconductor layer of a first conductivity type; a second semiconductor layer of a second conductivity type provided on the first semiconductor layer of the first conductivity type; a semiconductor region of the first conductivity type selectively provided on a front surface portion of the second semiconductor layer of the second conductivity type; a first main electrode provided in contact with a surface of the semiconductor region; a second main electrode provided on a side of the first semiconductor layer of the first conductivity type, the side being opposite to the surface on which the second semiconductor layer of the second conductivity type is provided; a gate wiring provided on the second semiconductor layer of the second conductivity type around an element region in which the semiconductor region is provided; a trench penetrating the second semiconductor layer of the second conductivity type to reach the first semiconductor layer of the first conductivity type, and also extending under the element region and the gate wiring; a gate electrode provided inside the trench in the element region with a gate insulating film interposed in between; and a gate electrode lead portion provided inside the trench under the gate wiring with the gate insulating film interposed in between, and contacting the gate wiring and the gate electrode. | 02-05-2009 |
20090032876 | ESD protection for bipolar-CMOS-DMOS integrated circuit devices - An Electro-Static Discharge (ESD) protection device is formed in an isolated region of a semiconductor substrate. The ESD protection device may be in the form of a MOS or bipolar transistor or a diode. The isolation structure may include a deep implanted floor layer and one or more implanted wells that laterally surround the isolated region. The isolation structure and ESD protection devices are fabricated using a modular process that includes virtually no thermal processing. Since the ESD device is isolated, two or more ESD devices may be electrically “stacked” on one another such that the trigger voltages of the devices are added together to achieve a higher effective trigger voltage. | 02-05-2009 |
20090045463 | ACTIVE DEVICE ARRAY SUBSTRATE - An active device array substrate including a substrate, a plurality of pixel units, a plurality of driving lines, a plurality of common lines, an electrostatic discharge (ESD) protection circuit, and a plurality of switch elements is provided. The substrate has a display region and a peripheral region adjacent to the display region. The pixel units are arranged as an array in the display region of the substrate. The driving lines are disposed in the display region and the peripheral region and are electrically connected to the pixel units. The common lines are disposed in the display region and are extended into the peripheral region. The ESD protection circuit is disposed in the peripheral region of the substrate. The switch elements are disposed in the peripheral region, wherein each of the switch elements is electrically connected between one of the common lines and the ESD protection circuit. | 02-19-2009 |
20090050966 | SEMICONDUCTOR DEVICE - In order to suppress an off leak current of an off transistor for ESD protection, in an NMOS for ESD protection whose isolation region has a shallow trench structure, a drain region is placed apart from the shallow trench isolation region so as not to be in direct contact with the shallow trench isolation region in a region where the drain region of the NMOS transistor for ESD protection is adjacent to at least a gate electrode of the NMOS transistor for ESD protection. | 02-26-2009 |
20090050967 | SEMICONDUCTOR DEVICE - In a semiconductor device including an n-type metal oxide semiconductor transistor for electrostatic discharge protection surrounded by a shallow trench for device isolation, in order to suppress the off-leak current in an off state, there is formed, in the vicinity of the drain region of the NMOS transistor for ESD protection, an n-type region receiving a signal from an external connection terminal via a p-type region in contact with the drain region of the NMOS transistor for ESD protection. | 02-26-2009 |
20090050968 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device including an n-type metal oxide semiconductor transistor for electrostatic discharge protection including drain regions connected with a first metal interconnect and source regions connected with another first metal interconnect alternately placed with each other, and gate electrodes each placed between each of the drain regions and each of the source regions, in which: at least one of the first metal interconnect and the other first metal interconnect being connected to a plurality of layers of metal interconnects other than the first metal interconnect; and the source regions include via-holes for electrically connecting the other first metal interconnect and the plurality of layers of metal interconnects other than the first metal interconnect, a greater number of the via-holes is formed as a distance of an interconnect connected to the NMOS transistor for ESD protection becomes larger. | 02-26-2009 |
20090072314 | Depletion Mode Field Effect Transistor for ESD Protection - The object of this invention is to present a field effect transistor by which the drain capacitance per unit gate width can be reduced. The gate electrode | 03-19-2009 |
20090079001 | MULTI-CHANNEL ESD DEVICE AND METHOD THEREFOR - In one embodiment, an ESD device is configured to include a zener diode and a P-N diode. | 03-26-2009 |
20090079002 | Superjunction Structures for Power Devices and Methods of Manufacture - A power device includes an active region and a termination region surrounding the active region. A plurality of pillars of first and second conductivity type are alternately arranged in each of the active and termination regions. The pillars of first conductivity type in the active and termination regions have substantially the same width, and the pillars of second conductivity type in the active region have a smaller width than the pillars of second conductivity type in the termination region so that a charge balance condition in each of the active and termination regions results in a higher breakdown voltage in the termination region than in the active region. | 03-26-2009 |
20090085116 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A semiconductor device | 04-02-2009 |
20090090972 | TUNABLE VOLTAGE ISOLATION GROUND TO GROUND ESD CLAMP - A tunable voltage isolation ground to ground ESD clamp is provided. The clamp includes a dual-direction silicon controlled rectifier (SCR) and trigger elements. The SCR is coupled between first and second grounds. The trigger elements are also coupled between the first and second grounds. Moreover, the trigger elements are configured to provide a trigger current to the dual-direction silicon controlled rectifier when a desired voltage between the first and second grounds is reached. | 04-09-2009 |
20090114990 | HIGH VOLTAGE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - A semiconductor device, particularly, a method for manufacturing a high voltage semiconductor device is disclosed. The method includes forming a high voltage gate oxide film on a semiconductor substrate having a high voltage device region and a low voltage device region, forming a gate electrode on the semiconductor substrate having the high voltage gate oxide film, forming a fluorinated silicate glass (FSG) film and a liner film sequentially on an entire surface of the semiconductor substrate including the gate electrode, and forming an interlayer insulating film on the liner film. Thus, it is possible to prevent an increase in leakage current of the high voltage semiconductor device such as a MOS transistor. | 05-07-2009 |
20090140339 | ESD Protection Device and Method for Manufacturing the Same - Disclosed is an electro-static discharge protection device. The electro-static discharge protection device can include a second conductive type epitaxial layer on a substrate; a second conductive type well on a first region above the second conductive type epitaxial layer; a first conductive type deep well in the second conductive type epitaxial layer between the second conductive type epitaxial layer and the second conductive type well; a plurality of active regions defined by a plurality of isolation layers above the second conductive type epitaxial layer; and a transistor and an ion implantation region in the active regions. | 06-04-2009 |
20090166740 | Reduced mask configuration for power mosfets with electrostatic discharge (ESD) circuit protection - A semiconductor power device supported on a semiconductor substrate includes an electrostatic discharge (ESD) protection circuit disposed on a first portion of patterned ESD polysilicon layer on top of the semiconductor substrate. The semiconductor power device further includes a second portion of the patterned ESD polysilicon layer constituting a body implant ion block layer for blocking implanting body ions to enter into the semiconductor substrate below the body implant ion block layer. In an exemplary embodiment, the electrostatic discharge (ESD) polysilicon layer on top of the semiconductor substrate further covering a scribe line on an edge of the semiconductor device whereby a passivation layer is no longer required manufacturing the semiconductor device for reducing a mask required for patterning the passivation layer. | 07-02-2009 |
20090242991 | Semiconductor device - Aimed at reducing the area of a protective circuit in a semiconductor device provided therewith, a semiconductor device of the present invention has a first-conductivity-type well, a plurality of first diffusion layers formed in the well, a plurality of second diffusion layers formed in the well, and a diffusion resistance layer formed in the well, wherein the first diffusion layers have a second conductivity type, and are connected in parallel with each other to an input/output terminal of the semiconductor device; the second diffusion layers are arranged alternately with a plurality of first diffusion layers, and are connected to a power source or to the ground; the diffusion resistance layer has a second conductivity type, and is located in adjacent to any of the plurality of second diffusion layers; the diffusion resistance layer is connected to the input/output terminal of the semiconductor device, while being arranged in parallel with the first diffusion layers, and connects the internal circuit and the input/output terminal of the semiconductor device. | 10-01-2009 |
20090261417 | TRIG MODULATION ELECTROSTATIC DISCHARGE (ESD) PROTECTION DEVICES - Trig modulation electrostatic discharge (ESD) protection devices are presented. An ESD protection device includes a semiconductor substrate. A high voltage N-well (HVNW) region is formed in the semiconductor substrate. An NDD region, a first P-body region and a second P-body region are formed in the HVNW region, wherein the first P-body region is separated from the second P-body region with a predetermined distance, and wherein the NDD region is isolated from the first P-body region with an isolation region. An N | 10-22-2009 |
20090267154 | MOS COMPRISING SUBSTRATE POTENTIAL ELEVATING CIRCUITRY FOR ESD PROTECTION - An integrated circuit ( | 10-29-2009 |
20090283831 | Electrostatic discharge (ESD) protection applying high voltage lightly doped drain (LDD) CMOS technologies - An electrostatic discharge (ESD) protection circuit includes a triggering diode that includes a junction between a P-grade (PG) region and an N-well. The PG region has a dopant profile equivalent to a P-drain dopant profile of a PMOS transistor having a breakdown voltage represented by V whereby the triggering diode for conducting a current when a voltage greater than the breakdown voltage V is applied. In an exemplary embodiment, the dopant profile of the PG region includes two dopant implant profiles that include a shallow implant profile with a higher dopant concentration and a deep implant profile with a lower dopant concentration. | 11-19-2009 |
20090283832 | SEMICONDUCTOR DEVICE - A semiconductor device, which is connected to a protected device and protects a protected device, includes a semiconductor layer provided on an insulating film; a plurality of source layers which is formed in the semiconductor layer and extends in a first direction; a plurality of drain layers which is formed in the semiconductor layer and extends along with the source layers; a plurality of body regions which is provided between the source layers and the drain layers in the semiconductor layer and extends in the first direction; and at least one body connecting part connecting the plurality of body regions, wherein a first width between the source layer and the drain layer at a first position is larger than a second width between the source layer and the drain layer at a second position, the second position is closer to the body connecting part than the first position. | 11-19-2009 |
20090294855 | Electrostatic Discharge Protection Device - An electrostatic discharge protection device includes a first well comprising a MOS transistor; a second well comprising a first impurity region to which a first voltage is applied, and a second impurity region connected to an input/output pad, the second well being disposed adjacent to the first well; and a third well comprising a third impurity region to which the first voltage is applied, the third well being disposed adjacent to the second well. | 12-03-2009 |
20090315112 | Forming ESD Diodes and BJTs Using FinFET Compatible Processes - A method of forming an electrostatic discharging (ESD) device includes forming a first and a second semiconductor fin over a substrate and adjacent to each other; epitaxially growing a semiconductor material on the first and the second semiconductor fins, wherein a first portion of the semiconductor material grown from the first semiconductor fin joins a second portion of the semiconductor material grown from the second semiconductor fin; and implanting a first end and a second end of the semiconductor material and first end portions of the first and the second semiconductor fins to form a first and a second implant region, respectively. A P-N junction is formed between the first end and the second end of the semiconductor material. The P-N junction is a junction of an ESD diode, or a junction in an NPN or a PNP BJT. | 12-24-2009 |
20090315113 | Low side zener reference voltage extended drain SCR clamps - In a CMOS implemented free or parasitic pnp transistor, triggering is controlled by introducing a low side zener reference voltage. | 12-24-2009 |
20100006943 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE - An electrostatic discharge (ESD) protection device for providing an ESD path between two circuitries is provided. Each circuitry has a power supply terminal and a ground terminal. The protection device comprises an equivalent MOS, a first terminal, and a second terminal. The equivalent MOS comprises a source, a drain and a gate, wherein the drain is connected to the gate. The first terminal is connected to the gate, while the second terminal is connected to the source. The first terminal is connected to one power supply terminal and ground terminal, whereas the second terminal is connected to the other the power supply terminal and ground terminal. | 01-14-2010 |
20100052056 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE - An ESD protection device includes a substrate with a doped well of a first conductive type, a first and a second doping region of the first conductive type and a third and a fourth doping region of a second conductive type respectively disposed in the doped well, a first gate disposed on the substrate and between the first and the second doping region, and a second gate disposed on the substrate and between the second and the third doping region to determine the distance between the second and the third doping region in order to precisely adjust the breakdown voltage of the ESD protection device of the present invention. | 03-04-2010 |
20100059823 | RESISTIVE DEVICE FOR HIGH-K METAL GATE TECHNOLOGY AND METHOD OF MAKING - A semiconductor device is provided which includes a semiconductor substrate, an isolation structure formed in the substrate for isolating an active region of the substrate, the isolation structure being formed of a first material, an active device formed in the active region of the substrate, the active device having a high-k dielectric and metal gate, and a passive device formed in the isolation structure, the passive device being formed of a second material different from the first material and having a predefined resistivity. | 03-11-2010 |
20100059824 | SYSTEM AND METHOD FOR I/O ESD PROTECTION WITH POLYSILICON REGIONS FABRICATED BY PROCESSES FOR MAKING CORE TRANSISTORS - A system and method for electrostatic discharge protection. The system includes a first transistor coupled to a first system and including a first gate, a first dielectric layer located between the first gate and a first substrate, a first source, and a first drain. The first system includes or is coupled to a core transistor, and the core transistor includes a second gate, a second dielectric layer located between the second gate and a second substrate, a second source, and a second drain. The first transistor is selected from a plurality of transistors, and the plurality of transistors include a plurality of gate regions, a plurality of source regions, and a plurality of drain regions. A plurality of polysilicon regions are disposed in an proximity of at least one of the plurality of gate regions. The plurality of polysilicon regions are separated from the first substrate a plurality of dielectric layers; | 03-11-2010 |
20100078724 | TRANSISTOR-TYPE PROTECTION DEVICE, SEMICONDUCTOR INTEGRATED CIRCUIT, AND MANUFACTURING METHOD OF THE SAME - A transistor-type protection device includes: a semiconductor substrate; a well including a first-conductivity-type semiconductor formed in the semiconductor substrate; a source region including a second-conductivity-type semiconductor formed in the well; a gate electrode formed above the well via a gate insulating film at one side of the source region; a drain region including the second-conductivity-type semiconductor formed within the well apart at one side of the gate electrode; and a resistive breakdown region including a second-conductivity-type semiconductor region in contact with the drain region at a predetermined distance apart from the well part immediately below the gate electrode, wherein a metallurgical junction form and a impurity concentration profile of the resistive breakdown region are determined so that a region not depleted at application of a drain bias when junction breakdown occurs in the drain region or the resistive breakdown region may remain in the resistive breakdown region. | 04-01-2010 |
20100084711 | ELECTROSTATIC DISCHARGE PROJECTION SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - An electrical device, including a semiconductor device such an electrostatic discharge protection semiconductor device, and a method for manufacturing the same. An electrostatic discharge protection semiconductor device may include a substrate and a gate in and/or over the substrate. The gate may be multi-layered, and may include a gate oxide layer and a gate electrode. An electrostatic discharge protection semiconductor device may include a source region formed in and/or over a predetermined area of the substrate on a side of the gate, and a plurality of drain regions which may be sequentially multi-layered in and/or over the substrate on an opposing side of the gate in a vertical direction. At least one drain region may be overlapped with the gate in a horizontal direction. | 04-08-2010 |
20100090283 | Electro Static Discharge Protection Device - A semiconductor device for protecting against an electro static discharge is disclosed. In one embodiment, the semiconductor device includes a first low doped region disposed in a substrate, a first heavily doped region disposed within the first low doped region, the first heavily doped region comprising a first conductivity type, and the first low doped region comprising a second conductivity type, the first and the second conductivity types being opposite, the first heavily doped region being coupled to a node to be protected. The semiconductor device further includes a second heavily doped region coupled to a first power supply potential node, the second heavily doped region being separated from the first heavily doped region by a portion of the first low doped region, and a second low doped region disposed adjacent the first low doped region, the second low doped region comprising the first conductivity type. A third heavily doped region is disposed in the second low doped region, the third heavily doped region comprising the second conductivity type and being coupled to a second power supply potential node. | 04-15-2010 |
20100090284 | METAL-OXIDE-SEMICONDUCTOR DEVICE - A metal-oxide-semiconductor device includes a substrate, a gate on the substrate, a source in the substrate and adjacent to one side of the gate, a drain in the substrate and adjacent to another side of the gate, a gate channel in the substrate and under the gate, and a gate insulator between the source and the drain and the gate and the gate channel, wherein the gate insulator has a substantially uneven thickness for use in electrostatic discharge (ESD) protection. | 04-15-2010 |
20100102390 | Gated diode with increased voltage tolerance - In a gated diode ESD protection structure, the gate is biased to a voltage higher than ground and gate size is reduced while ensuring adequate spacing between p+ and n+ regions of the diode by blocking at least one of n-lightly doped region and p-lightly doped region. | 04-29-2010 |
20100102391 | Split-gate ESD diodes with elevated voltage tolerance - In a gated diode ESD protection structure, the gate is split into two parts to divide the total reverse voltage between two gate regions. | 04-29-2010 |
20100102392 | ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT AND INTEGRATED CIRCUIT DEVICE INCLUDING ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT - An ESD protection circuit including a first electrostatic discharge protection circuit provided between first power supply wiring and first ground wiring; a second ESD protection circuit provided between second power supply wiring and second ground wiring; a third ESD protection circuit provided between the first ground wiring and the second ground wiring; a PMOS transistor coupled to the first power supply wiring and provided between a first CMOS circuit coupled to the first ground wiring and the first power supply wiring, the first CMOS circuit receiving a signal from a first internal circuit and outputting a signal to a first node; an NMOS transistor provided between the first node and the first ground wiring; and an ESD detection circuit that renders the PMOS transistor conductive and the NMOS transistor non-conductive during normal operation, and renders the PMOS transistor non-conductive and the NMOS transistor conductive when an ESD is applied. | 04-29-2010 |
20100127330 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A semiconductor device comprises an insulated gate field effect transistor and a protection diode. The insulated gate field effect transistor has a gate electrode formed on a gate insulating film, a source and a drain. The source and the drain are formed in a first area of a semiconductor substrate. A first silicon oxide film is formed on a second area of the semiconductor substrate adjacent to the first area. The first silicon oxide film is thicker than the gate insulating film and contains larger amount of impurities than the gate insulating film. A poly-silicon layer is formed on the first silicon oxide film. The protection diode has a plurality of PN-junctions formed in the poly-silicon layer. The protection diode is connected between the gate electrode and the source so as to prevent breakdown of the gate insulating film. | 05-27-2010 |
20100133618 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE AND METHOD FOR MANUFACTURING THE SAME - An electrostatic discharge (ESD) protection device for protecting an internal circuitry from being damaged during electrostatic discharge, and a method for manufacturing the ESD protection circuit are provided. The electrostatic discharge (ESD) protection device includes: a gate electrode over a substrate; first and second doping regions provided in the substrate exposed at both sides of the gate electrode, the first and second doping regions having the same conductivity type; a third doping region provided in the second doping region and having an opposite conductivity type to that of the second doping region; and fourth and fifth doping regions spaced apart from the gate electrode and provided in the substrate exposed at both sides of the gate electrode, the fourth and fifth doping regions having the same conductivity type as the first and second doping regions. | 06-03-2010 |
20100140712 | Electro Static Discharge Clamping Device - Electrostatic discharge clamp devices are described. In one embodiment, the semiconductor device includes a first transistor, the first transistor including a first source/drain and a second source/drain, the first source/drain coupled to a first potential node, the second source/drain coupled to a second potential node. The device further includes a OR logic block, a first input of the OR logic block coupled to the first potential node through a capacitor, the first input of the OR logic block being coupled to the second potential node through a resistor, and a second input of the OR logic block coupled to a substrate pickup node of the first transistor. | 06-10-2010 |
20100140713 | TRANSISTOR-TYPE PROTECTION DEVICE AND SEMICONDUCTOR INTEGRATED CIRCUIT - A transistor-type protection device includes: a semiconductor substrate; a well of a first-conductivity-type formed in the semiconductor substrate; a source region of a second-conductivity-type formed in the well; a gate electrode formed on the well via a gate insulating film at one side of the source region; plural drain regions of a second-conductivity-type formed apart from each other and respectively separated at a predetermined distance from a well part immediately below the gate electrode film; and a resistive connection part connecting between the plural drain regions with a predetermined electric resistance. | 06-10-2010 |
20100148263 | SEMICONDUCTOR DEVICE STRUCTURE AND FABRICATING METHOD THEREOF - A semiconductor device structure including a substrate, a resistor, and a first gate structure is provided. The substrate includes a resistor region and a metal-oxide-semiconductor (MOS) transistor region. The resistor is disposed on the substrate within the resistor region. The resistor includes a first dielectric layer, a metal layer, a second dielectric layer, and a semiconductor layer sequentially stacked on the substrate. The first gate structure is disposed on the substrate within the MOS transistor region. The first gate structure includes the first dielectric layer, the metal layer, and the semiconductor layer sequentially stacked on the substrate. | 06-17-2010 |
20100148264 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE AND METHOD OF FABRICATING THE SAME - An ESD protection device including a substrate, a gate structure, a source region, a drain region and a first implanted region is provided. The gate structure includes a gate dielectric layer and a gate sequentially disposed on the substrate. The source region and the drain region are disposed in the substrate beside the gate structure. The first implanted region has the same conductivity type as the drain region. The first implanted region is disposed below the drain region, and the border thereof does not exceed the border of the drain region. | 06-17-2010 |
20100148265 | ESD PROTECTION DEVICE - An ESD protection device includes a substrate of a first conductivity type, a well region of a second conductivity type, a first doped region of the second conductivity type, a second doped region of the first conductivity type, a third doped region of the second conductivity type, a fourth doped region of the first conductivity type. The well region is configured in the substrate. The first doped region is configured in the well region. The second doped region is configured in the well region and surrounding the first doped region. The third doped region is configured in the well region and surrounding the first doped region and the second doped region. The fourth doped region is configured in the well region and under the first doped region and the second doped region. The fourth doped region is coupled with the first doped region and with the second doped region, respectively. | 06-17-2010 |
20100148266 | SYSTEM AND METHOD FOR ISOLATED NMOS-BASED ESD CLAMP CELL - The invention is directed to a protection circuit for protecting IC chips against ESD. An ESD protection circuit for an integrated circuit chip may comprise an isolated NMOS transistor, which may comprise an isolation region isolating a backgate from a substrate, and a first and second doped regions and a gate formed on the backgate. The ESD protection circuit may further comprise a first terminal to connect the isolation region to a first electrical node, and a second terminal to connect the second doped region to a second electrical node. The first electrical node may have a higher voltage level than the second electrical node, and the gate and backgate may be coupled to the second terminal. | 06-17-2010 |
20100148267 | SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit includes: a well | 06-17-2010 |
20100155845 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A semiconductor integrated circuit device with a “PAD on I/O cell” structure in which a pad lead part is disposed almost in the center of an I/O part so as to reduce the chip layout area. In the I/O part, a transistor lies nearest to the periphery of the semiconductor chip. When seen in a plan view of the I/O part, a resistance lies above the transistor and a first and a second diode lie above the resistance; a second transistor lies above the diodes; and a logic block lies above the second transistor with a pad lead part, for example, formed in a metal wiring layer, therebetween. This permits the pad through the second transistor to be on the same node and therefore the pad lead part can be disposed almost in the center of the I/O part. | 06-24-2010 |
20100171177 | SEMICONDUCTOR DEVICE - The present invention has for its purpose to provide a technique capable of reducing planar dimension of the semiconductor device. An input/output circuit is formed over the semiconductor substrate, a grounding wiring and a power supply wiring pass over the input/output circuit, and a conductive layer for a bonding pad is formed thereover. The input/output circuit is formed of MISFET elements in the nMISFET forming region and the pMISFET forming region, resistance elements in the resistance element forming regions and diode elements in the diode element forming regions functioning as protective elements. A wiring connected to the protective elements and positioned under the grounding wiring and the power supply wiring is pulled out in a pulling-out region between the nMISFET forming region and the pMISFET forming region and between the grounding wiring and the power supply wiring to be connected to the conductive layer. | 07-08-2010 |
20100187608 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device comprising: a PW layer formed at a surface of a semiconductor substrate; an NW layer formed at the surface of the semiconductor substrate to be in contact with the PW layer; a p+ base layer formed at the surface of the semiconductor substrate in the PW layer; an n+ collector layer formed at the surface of the semiconductor substrate in the NW layer; an n+ emitter layer located between the p+ base layer and the n+ collector layer and formed at the surface of the semiconductor substrate in the PW layer; and an n± layer formed between the n+ collector layer and the PW layer to be in contact with the n+ collector layer. | 07-29-2010 |
20100193867 | Silicided Semiconductor Structure and Method of Forming the Same - A preferred embodiment includes a method of manufacturing a fuse element that includes forming a polysilicon layer over a semiconductor structure, doping the polysilicon layer with carbon or nitrogen, depositing a metal over the polysilicon layer; and annealing the metal and polysilicon layer to form a silicide in an upper portion of the polysilicon layer. | 08-05-2010 |
20100193868 | HIGH-VOLTAGE VARIABLE BREAKDOWN VOLTAGE (BV) DIODE FOR ELECTROSTATIC DISCHARGE (ESD) APPLICATIONS - Formation of an electrostatic discharge (ESD) protection device having a desired breakdown voltage (BV) is disclosed. The breakdown voltage (BV) of the device can be set, at least in part, by varying the degree to which a surface junction between two doped areas is covered. This junction can be covered in one embodiment by a dielectric material and/or a semiconductor material. Moreover, a variable breakdown voltage can be established by concurrently forming, in a single process flow, multiple diodes that have different breakdown voltages, where the diodes are also formed concurrently with circuitry that is to be protected. To generate the variable or different breakdown voltages, respective edges of isolation regions can be extended to cover more of the surface junctions of different diodes. In this manner, a first diode can have a first breakdown voltage (BV | 08-05-2010 |
20100200920 | Configuration of gate to drain (GD) clamp and ESD protection circuit for power device breakdown protection - A semiconductor power device supported on a semiconductor substrate comprising a plurality of transistor cells each having a source and a drain with a gate to control an electric current transmitted between the source and the drain. The semiconductor further includes a gate-to-drain (GD) clamp termination connected in series between the gate and the drain further includes a plurality of back-to-back polysilicon diodes connected in series to a silicon diode includes parallel doped columns in the semiconductor substrate wherein the parallel doped columns having a predefined gap. The doped columns further include a U-shaped bend column connect together the ends of parallel doped columns with a deep doped well disposed below and engulfing the U-shaped bend. | 08-12-2010 |
20100213549 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device including an n-type metal oxide semiconductor transistor for electrostatic discharge protection including drain regions and source regions placed alternately with each other, and gate electrodes each placed between each of the drain regions and each of the source regions, in which: the first metal interconnects formed on the source regions are electrically connected to the second metal interconnect through constant size via-holes, and a ratio between the numbers of the via-holes arranged above each of the source regions is controlled to be less than four according to a distance from the ground potential supply line. | 08-26-2010 |
20100219476 | ELECTROSTATIC PROTECTION DEVICE FOR SEMICONDUCTOR CIRCUIT - The electrostatic protection device includes a semiconductor substrate having a well formed therein. At least two sets of transistor fingers, for example the NMOS type, are spaced apart from each other. Each set of the MOS fingers includes multiple gates arranged in parallel to each other in one direction, and sources and drains alternately arranged at both sides of the gates in the semiconductor substrate. A well pickup surrounding every set of the transistor fingers and extending between any two set of the fingers is formed. Metal wires are connected to at least two portions of each of the drains and are also connected to an input/output pad to which Electrostatic Discharge (ESD) excessive current is introduced. | 09-02-2010 |
20100264493 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - To provide a semiconductor device which includes a P-type Si substrate, an ESD protection element, and a protected element. The ESD protection element includes a source N-type diffusion region, and a high-concentration P-type diffusion region formed from under the source N-type diffusion region to at least under part of a gate electrode, covering the source N-type diffusion region within the P-type Si substrate, and having a higher P-type impurity concentration than the P-type Si substrate. The protected element includes a drain N-type diffusion region, and a low-concentration P-type diffusion region that is in contact with the drain N-type diffusion region within the P-type Si substrate. The drain electrode of the ESD protection element and the drain electrode of the protected element are connected, and the high-concentration P-type diffusion region | 10-21-2010 |
20100276755 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE AND METHOD FOR FABRICATING THE SAME - An electrostatic discharge protection device includes a substrate where an active region is defined by an isolation layer, a gate electrode simultaneously crossing both the isolation layer and the active region, and a junction region formed in the active region at both sides of the gate electrode and separated from the isolation layer by a certain distance in a direction where the gate electrode is extended. The electrostatic discharge protection device is able to prevent the increase of a leakage current while securing an electrostatic discharge protection property that a semiconductor device requires. | 11-04-2010 |
20100301417 | DEVICE INCLUDING HIGH-K METAL GATE FINFET AND RESISTIVE STRUCTURE AND METHOD OF FORMING THEREOF - A device is provided that in one embodiment includes a substrate having a first region and a second region, in which a semiconductor device is present on a dielectric layer in the first region of the substrate and a resistive structure is present on the dielectric layer in the second region of the substrate. The semiconductor device may include a semiconductor body and a gate structure, in which the gate structure includes a gate dielectric material present on the semiconducting body and a metal gate material present on the gate dielectric material. The resistive structure may include semiconductor material having a lower surface is in direct contact with the dielectric layer in the second region of the substrate. The resistive structure may be a semiconductor containing fuse or a polysilicon resistor. A method of forming the aforementioned device is also provided. | 12-02-2010 |
20100320540 | SEMICONDUCTOR DEVICE STRUCTURE AND FABRICATING METHOD THEREOF - A semiconductor device structure including a substrate, a resistor, and a first gate structure is provided. The substrate includes a resistor region and a metal-oxide-semiconductor (MOS) transistor region. The resistor is disposed on the substrate within the resistor region. The resistor includes a first dielectric layer, a metal layer, a second dielectric layer, and a semiconductor layer sequentially stacked on the substrate. The first gate structure is disposed on the substrate within the MOS transistor region. The first gate structure includes the first dielectric layer, the metal layer, and the semiconductor layer sequentially stacked on the substrate. | 12-23-2010 |
20100327359 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME - In a power MISFET having a trench gate structure with a dummy gate electrode, a technique is provided for improving the performance of the power MISFET, while preventing electrostatic breakdown of a gate insulating film therein. A power MISFET having a trench gate structure with a dummy gate electrode, and a protective diode are formed on the same semiconductor substrate. The protective diode is provided between a source electrode and a gate interconnection. In a manufacturing method of such a semiconductor device, a polycrystalline silicon film for the dummy gate electrode and a polycrystalline silicon film for the protective diode are formed simultaneously. A source region of the power MISFET and an n | 12-30-2010 |
20110049632 | SEMICONDUCTOR DEVICE - A semiconductor device capable of dissipating heat, which has been produced in an ESD protection element, to the exterior of the device rapidly and efficiently includes an ESD protection element having a drain region, a source region and a gate electrode, and a thermal diffusion portion. The thermal diffusion portion, which has been formed on the drain region, has a metal layer electrically connected to a pad, and contacts connecting the drain region and metal layer. The metal layer has a first wiring trace extending along the gate electrode, and second wiring traces intersecting the first wiring trace perpendicularly. The contacts are connected to intersections between the first wiring trace and the second wiring traces. Heat that has been produced at a pn-junction of the ESD protection element and transferred through a contact is diffused simultaneously in three directions through the first wiring trace and second wiring trace in the metal layer and is released into the pad. | 03-03-2011 |
20110062522 | SEMICONDUCTOR DEVICE FOR ELECTROSTATIC DISCHARGE PROTECTION - Provided is a semiconductor device for electrostatic discharge protection capable of protecting an inner circuit from both noises of an overcurrent noise of an ESD and an overcurrent noise of a latch-up test while achieving size reduction, by sharing a guard ring formed in a periphery of an ESD protection element with a cathode of a latch-up protection diode for protecting the inner circuit from the overcurrent noise of the latch-up test. | 03-17-2011 |
20110073947 | Semiconductor device - Provided is a semiconductor device in which the first trench isolation regions is placed between a substrate potential-fixing P-type diffusion region of an ESD protection NMOS transistor and source and drain regions of the ESD protection NMOS transistor, and has a depth greater than a depth of the second trench isolation region that is placed between a substrate potential-fixing P-type diffusion region of an NMOS transistor for internal circuit and source and drain regions of the NMOS transistor for internal circuit. | 03-31-2011 |
20110073948 | Semiconductor device - Provided is a semiconductor device including an ESD protection N-MOS transistor isolated from another element by a shallow trench structure, in which the ESD protection N-MOS transistor includes a drain region on which a thin insulating film is formed, and an electrode which receives a signal from an external connection terminal is formed on the thin insulating film. | 03-31-2011 |
20110095367 | ESD/ANTENNA DIODES FOR THROUGH-SILICON VIAS - Roughly described, an antenna diode is formed at least partially within the exclusion zone around a TSV, and is connected to the TSV by way of a metal 1 layer conductor at the same time that the TSV is connected to either the gate poly or a diffusion region of one or more transistors placed outside the exclusion zone. | 04-28-2011 |
20110101460 | SEMICONDUCTOR FUSES IN A SEMICONDUCTOR DEVICE COMPRISING METAL GATES - In a replacement gate approach, the semiconductor material of the gate electrode structures may be efficiently removed during a wet chemical etch process, while this material may be substantially preserved in electronic fuses. Consequently, well-established semiconductor-based electronic fuses may be used instead of requiring sophisticated metal-based fuse structures. The etch selectivity of the semiconductor material may be modified on the basis of ion implantation or electron bombardment. | 05-05-2011 |
20110156147 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE - An electrostatic discharge protection device includes first and second wells of a first conductivity type, the first and second wells having different impurity doping concentrations, respectively, a gate formed on the first well, a source region of a second conductivity type formed at one side of the gate in the first well, a drift region of the second conductivity type formed at the other side of gate and over both of the first well and the second well, and a drain region of the second conductivity type formed in the drift region of the second well. | 06-30-2011 |
20110163384 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device in which the drain region of the ESD protection NMOS transistor is electrically connected, through a drain extension region formed by an impurity diffusion region having the same conductivity as that of the drain region and arranged on both side surfaces and a bottom surface of the second trench isolation region which is formed next to the drain region, to the drain contact region formed by an impurity diffusion region having the same conductivity as that of the drain region. | 07-07-2011 |
20110169091 | SEMICONDUCTOR DEVICE - A semiconductor device includes an input/output pad, and a data transfer unit configured to form a parasitic diode between the input/output pad and a power supply terminal thereof to discharge an introduced electrostatic discharge (ESD), and form a data transfer path between the input/output pad and an internal circuit in response to a control signal. | 07-14-2011 |
20110169092 | ESD PROTECTIVE ELEMENT, SEMICONDUCTOR DEVICE, AND PLASMA DISPLAY - The present invention mainly provides an ESD protective element which can be built in high voltage semiconductor integrated circuit devices without increasing the chip area. An ESD protective element according to one embodiment has a construction comprising a semiconductor layer, a first region of a first conduction type formed in the semiconductor layer, a first region of a second conduction type formed in the semiconductor layer away from the first region of the first conduction type, a second region of the second conduction type formed in the first region of the second conduction type and has a higher impurity concentration than it, and a second region of the first conduction type formed in the second region of the second conduction type and has a high impurity concentration. The first and second regions of the second conduction type are in an electrically floating state. | 07-14-2011 |
20110180874 | SEMICONDUCTOR DEVICE - It is desired to effectively suppress breaking of a protection target circuit caused by direct application of an ESD surge voltage to the circuit. The semiconductor device includes: a VDD pad; a signal output pad; a GND pad; a high-potential power source line; a signal line; a low-potential power source line; main ESD protection elements; a PMOS transistor; and an output circuit. The output circuit includes: an NMOS transistor N | 07-28-2011 |
20110180875 | ESD Protection Device and Method - An ESD protection device includes an MOS transistor with a source region, drain region and gate region. A node designated for ESD protection is electrically coupled to the drain. A diode is coupled between the gate and source, wherein the diode would be reverse biased if the MOS transistor were in the active operating region. | 07-28-2011 |
20110180876 | SEMICONDUCTOR DEVICE AND ELECTRONIC DEVICE - A semiconductor device comprises a switching element. The switching element comprises a first channel terminal, a second channel terminal and a switching terminal. One of the first and second channel terminals provides a reference terminal and the switching element is arranged such that an impedance of the switching element between the first channel terminal and second channel terminal is dependant upon a voltage across the switching terminal and the reference terminal. The semiconductor device further comprises a first resistance element operably coupled between the first channel terminal and the switching terminal and a second resistance element operably coupled between the switching terminal and the second channel terminal of the semiconductor device. When a negative current is encountered at the first channel terminal, the negative current causes both a voltage drop across the switching terminal and the first channel terminal and a voltage drop across the second channel terminal and the switching terminal. | 07-28-2011 |
20110186930 | RING POWER GATING WITH DISTRIBUTED CURRENTS USING NON-LINEAR C4 CONTACT PLACEMENTS - A power gate includes a series of electrical contacts along at least a portion of an integrated circuit and a series of power gate transistors electrically coupled to the electrical contacts on the integrated circuit to form a power gate boundary, e.g., at the integrated circuit periphery. The electrical contacts along at least a portion of a running length of the power gate boundary define a substantially non-linear profile. The non-linear profile provides increased contact density which improves current balancing across the electrical contacts and current throughput through the power gate. The non-linear profile is a sinusoidal or zigzag pattern with intermediate offset bump contacts. The contact profiles along the power gate boundary can include both linear and non-linear profiles. | 08-04-2011 |
20110193170 | Electro-Static Discharge (ESD) Clamping Device - An ESD clamping device comprises a plurality of fingers each comprising a source region of first conductivity type formed in a substrate of second conductivity type, a drain region of said first conductivity type formed in the substrate, and a gate formed over the substrate and between the source and drain regions. At least one of the fingers each has an ESD implantation region formed in the substrate and partially underlying the drain region of the finger, the ESD implantation region being a heavily doped region of said second conductivity type. Furthermore, at least one of the fingers has a gate extension portion projecting from the gate and demarcating an additional region in at least the drain region of the finger, the additional region of said second conductivity type being electrically connected to at least one of the gate and the substrate of each of the fingers. | 08-11-2011 |
20110193171 | SEMICONDUCTOR DEVICE - A semiconductor device includes a first transistor formed on a first element region, and a first protecting element including a second transistor formed on a second element region. A second protecting element ohmic electrode is connected to a first gate electrode, a first protecting element ohmic electrode is connected to a first ohmic electrode, and a first protecting element gate electrode is connected to at least one of the first protecting element ohmic electrode and the second protecting element ohmic electrode. The second element region is smaller in area than the first element region. | 08-11-2011 |
20110233677 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device having an ESD protection MOS transistor including a plurality of transistors combined together, in which a plurality of drain regions and a plurality of source regions disposed alternately and a gate electrode disposed between each pair of adjacent regions constituted of one of the plurality of drain regions and one of the plurality of source regions, in which a distance between a salicide metal region, which is formed on each of the plurality of drain regions, and the gate electrode is determined according to contact holes in the plurality of drain regions and a distance of the contact holes from substrate contacts. | 09-29-2011 |
20110241117 | Semiconductor Device Comprising Metal Gate Structures Formed by a Replacement Gate Approach and eFuses Including a Silicide - In a replacement gate approach for forming high-k metal gate electrode structures, electronic fuses may be provided on the basis of a semiconductor material in combination with a metal silicide by using a recessed surface topography and/or a superior selectivity of the metal silicide material during the replacement gate process. For example, in some illustrative embodiments, electronic fuses may be provided in a recessed portion of an isolation region, thereby avoiding the removal of the semiconductor material when replacing the semiconductor material of the gate electrode structures with a metal-containing electrode material. Consequently, the concept of well-established semiconductor-based electronic fuses may be applied together with sophisticated replacement gate structures of transistors. | 10-06-2011 |
20110260254 | SEMICONDUCTOR DEVICES HAVING SLIT WELL TUB - An electrostatic discharge semiconductor device can include a first conductivity type substrate that includes inner first conductivity type wells therein and a plurality of gate electrodes that are on an active region of the substrate. A second conductivity type well can be located in the substrate beneath the plurality of gate electrodes including at least one slit therein providing electrical contact between the inner first conductivity type wells and a first conductivity type outer well outside the active region. | 10-27-2011 |
20110284963 | SEMICONDUCTOR DEVICE - A semiconductor device includes: a gate electrode formed above a semiconductor region; a drain region and a source region formed in portions of the semiconductor region located below sides of the gate electrode in a gate length direction, respectively; a plurality of drain contacts formed on the drain region to be spaced apart in a gate width direction of the gate electrode; and a plurality of source contacts formed on the source region to be spaced apart in the gate width direction of the gate electrode. The intervals between the drain contacts are greater than the intervals between the source contacts. | 11-24-2011 |
20110291194 | PROTECTION CIRCUIT FOR SEMICONDUCTOR DEVICE - A protection circuit for a semiconductor device includes a first gate electrode formed on a substrate of a first conductivity type, and a source and a drain of a second conductivity type having an opposite polarity to the first conductivity type. The source and the drain are commonly coupled to a ground voltage terminal, and the first gate electrode is coupled to a power supply voltage terminal. | 12-01-2011 |
20110291195 | Depletion-Mode MOSFET Circuit and Applications - Positive logic circuits, systems and methods using MOSFETs operated in a depletion-mode, including electrostatic discharge protection circuits (ESD), non-inverting latches and buffers, and one-to-three transistor static random access memory cells. These novel circuits supplement enhancement-mode MOSFET technology and are also intended to improve the reliability of the complementary metal-oxide-semiconductor (CMOS) integrated circuit (IC) products. | 12-01-2011 |
20110298051 | Electrostatic Discharge Management Apparatus, Systems, and Methods - Apparatus, systems, and methods may include managing electrostatic discharge events by using a semiconductor device having a non-aligned gate to implement a snap-back voltage protection mechanism. Such devices may be formed by doping a semiconductor substrate to form a first conductive region as a well, forming one of a source region and a drain region in the well, depositing a layer of polysilicon on the substrate to establish a gating area that does not overlap the one of the source region and the drain region, and forming an integrated circuit supported by the substrate to couple to the one of the source region and the drain region to provide snap-back voltage operation at a node between the integrated circuit and the source or drain region. Additional apparatus, systems, and methods are disclosed. | 12-08-2011 |
20120001261 | SYSTEM AND METHOD FOR INPUT PIN ESD PROTECTION WITH FLOATING AND/OR BIASED POLYSILICON REGIONS - A system and method for electrostatic discharge protection. The system includes a first transistor including a first drain, a second transistor including a second drain, and a resistor including a first terminal and a second terminal. The first terminal is coupled to the first drain and the second drain. Additionally, the system includes a third transistor coupled to the second terminal and a protected system. The third transistor includes a first gate, a first dielectric layer located between the first gate and a first substrate, a first source, and a third drain. The protected system includes a fourth transistor, and the fourth transistor includes a second gate, a second dielectric layer located between the second gate and a second substrate, a second source, and a fourth drain. | 01-05-2012 |
20120061761 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND MANUFACTURING METHOD FOR SEMICONDUCTOR INTEGRATED CIRCUIT DEVICES - Logic transistors (MOSFETs, MISFETs) in core portions of integrated circuits can be microminiaturized by scaling operating voltage as their generation advances. However, since transistors (MOSFETs, MISFETs) in high-breakdown voltage portions operate on relatively high power supply voltage, it is difficult to reduce their size. Similarly, electrostatic discharge (ESD) protection circuits in power supply cells protect the elements in a semiconductor integrated circuit against static electricity (foreign surge); therefore, they are indispensably required to be high in breakdown voltage and call for a large area for dissipating electric charges. To microminiaturize integrated circuits, therefore, a transistor structure that enables microminiaturization is indispensable. To solve the above problem, a semiconductor integrated circuit device having in its ESD protection circuit portion a CMIS inverter made up of a pair of MISFETs having a source/drain asymmetric structure and including a halo region only on the source side is provided. | 03-15-2012 |
20120074496 | Diode Having A Pocket Implant Blocked And Circuits And Methods Employing Same - Diodes, including gated diodes and shallow trench isolation (STI) diodes, manufacturing methods, and related circuits are provided without at least one halo or pocket implant thereby reducing capacitance of the diode. In this manner, the diode may be used in circuits and other devices having performance sensitive to load capacitance while still obtaining the performance characteristics of the diode. Such characteristics for a gated diode include fast turn-on times and high conductance, making the gated diodes well-suited for electro-static discharge (ESD) protection circuits as one example. Diodes include a semiconductor substrate having a well region and insulating layer thereupon. A gate electrode is formed over the insulating layer. Anode and cathode regions are provided in the well region. A P-N junction is formed. At least one pocket implant is blocked in the diode to reduce capacitance. | 03-29-2012 |
20120074497 | ESD PROTECTION STRUCTURE - A device used as an ESD protection structure, which is a modified N-type LDMOS device is disclosed. A conventional LDMOS includes only one N-type heavily doped region as a drain in an N-type lightly doped region ( | 03-29-2012 |
20120086080 | LOW-VOLTAGE STRUCTURE FOR HIGH-VOLTAGE ELECTROSTATIC DISCHARGE PROTECTION - An electrostatic discharge (ESD) protected device may include a substrate, an N+ doped buried layer, an N-type well region and a P-type well region. The N+ doped buried layer may be disposed proximate to the substrate. The N-type well region may be disposed proximate to a portion of the N+ doped buried layer to form a collector region. The P-type well region may be disposed proximate to remaining portions of the N+ doped buried layer and having at least a P+ doped plate corresponding to a base region and distributed segments of N+ doped plates corresponding to an emitter region. | 04-12-2012 |
20120086081 | SEMICONDUCTOR DEVICE - A semiconductor device includes a thin-film diode ( | 04-12-2012 |
20120112286 | ESD PROTECTION USING DIODE-ISOLATED GATE-GROUNDED NMOS WITH DIODE STRING - An ESD protection circuit with a diode string coupled to a diode-isolated, gate-grounded NMOS ESD device. A method of forming an ESD protection circuit with a diode string coupled to a diode-isolated, gate-grounded NMOS ESD device. | 05-10-2012 |
20120146150 | SELF-PROTECTED ELECTROSTATIC DISCHARGE FIELD EFFECT TRANSISTOR (SPESDFET), AN INTEGRATED CIRCUIT INCORPORATING THE SPESDFET AS AN INPUT/OUTPUT (I/O) PAD DRIVER AND ASSOCIATED METHODS OF FORMING THE SPESDFET AND THE INTEGRATED CIRCUIT - Disclosed are embodiments of a self-protected electrostatic discharge field effect transistor (SPESDFET). In the SPESDFET embodiments, a resistance region is positioned laterally between two discrete sections of a deep source/drain region: a first section that is adjacent to the channel region and a second section that is contacted. The second section of the deep source/drain region is silicided, but the first section adjacent to the channel region and the resistance region are non-silicided. Additionally, the gate structure can be either silicided or non-silicided. With such a configuration, the disclosed SPESDFET provides robust ESD protection without consuming additional area and without altering the basic FET design (e.g., without increasing the distance between the deep source/drain regions and the channel region). Also disclosed are embodiments of integrated circuit that incorporates the SPESDFET as an input/output (I/O) pad driver and method embodiments for forming the SPESDFET and the integrated circuit. | 06-14-2012 |
20120146151 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE - An electrostatic discharge (ESD) protection device including a substrate, a first doped region, a second doped region, and a third doped region, a gate and a plurality of contacts is disclosed. The substrate includes a first conductive type. The first doped region is formed in the substrate and includes a second conductive type. The second doped region is formed in the substrate and includes the second conductive type. The third doped region is formed in the substrate, includes the first conductive type and is located between the first and the second doped regions. The gate is formed on the substrate, located between the first and the second doped regions and comprises a first through hole. The contacts pass through the first through hole to contact with the third doped region. | 06-14-2012 |
20120161235 | Electrostatic discharge protection device and manufacturing method thereof - The present invention discloses an electrostatic discharge protection device and a manufacturing method thereof. The electrostatic discharge protection device includes: a substrate, a gate, two N type lightly doped drains, an N type source, an N type drain, and two N type doped regions extending downward beneath and in contact with the source and drain respectively, such that when the source and drain are conducted with each other, at least part of the current flows through the two downwardly extending doped regions to increase the electrostatic discharge protection voltage of the electrostatic discharge protection device. | 06-28-2012 |
20120161236 | Electrostatic discharge protection device and manufacturing method thereof - The present invention discloses an electrostatic discharge protection device and a manufacturing method thereof. The electrostatic discharge protection device includes: a substrate, a gate, two N type lightly doped drains, an N type source, an N type drain, and two N type doped regions extending downward beneath and in contact with the source and drain respectively, such that when the source and drain are conducted with each other, at least part of the current flows through the two downwardly extending doped regions to increase the electrostatic discharge protection voltage of the electrostatic discharge protection device. | 06-28-2012 |
20120168867 | PROTECTION ELEMENT AND SEMICONDUCTOR DEVICE HAVING THE PROTECTION ELEMENT - Disclosed herein is a protection element for protecting a circuit element. The protection element includes source and drain areas created in a semiconductor layer, a gate created on the semiconductor layer, sandwiching a gate insulation film between the gate and the semiconductor layer, a source electrode connected to the surface of the source area and electrically connected to the ground, a drain electrode connected to the surface of the drain area and used for receiving a surge input, and a diode connected between the source electrode and the gate. | 07-05-2012 |
20120193718 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE - An ESD protection structure is disclosed. A substrate comprises a first conductive type. A first diffusion region is formed in the substrate. A first doped region is formed in the first diffusion region. A second doped region is formed in the first diffusion region. A third doped region is formed in the substrate. A first isolation region is formed in the substrate, covers a portion of the first diffusion region and is located between the second and the third doped regions. A fourth doped region is formed in the substrate. When the first doped region is coupled to a first power line and the third and the fourth doped regions are coupled to a second power line, an ESD current can be released to the second power line from the first power line. During the release of the ESD current, the second doped region is not electrically connected to the first power line. | 08-02-2012 |
20120205745 | Device and Associated Semiconductor Package for Limiting Drain-Source Voltage of Transformer-Coupled Push Pull Power Conversion Circuit - A circuit is proposed for limiting maximum switching FET drain-source voltage (VDS) of a transformer-coupled push pull power converter with maximum DC supply voltage V | 08-16-2012 |
20120299108 | SEMICONDUCTOR DEVICE - By connecting a protection diode ( | 11-29-2012 |
20120313175 | SEMICONDUCTOR DEVICE - The present invention provides a semiconductor device including a substrate, a deep well, a high-voltage well, and a doped region. The substrate and the high-voltage well have a first conductive type, and the deep well and the doped region have a second conductive type different from the first conductive type. The substrate has a high-voltage region and a low-voltage region, and the deep well is disposed in the substrate in the high-voltage region. The high-voltage well is disposed in the substrate between the high-voltage region and the low-voltage region, and the doped region is disposed in the high-voltage well. The doped region and the high-voltage well are electrically connected to a ground. | 12-13-2012 |
20120326234 | BALLAST RESISTOR FOR SUPER-HIGH-VOLTAGE DEVICES - An integrated circuit (IC) including a well region of the IC having a first doping level and a plurality of semiconductor regions implanted in the well region. Each of the plurality of semiconductor regions has a second doping level. The second doping level is greater than the first doping level. A plurality of polysilicon regions are arranged on the plurality of semiconductor regions. The polysilicon regions are respectively connected to the semiconductor regions. The plurality of semiconductor regions is a drain of a metal-oxide semiconductor field-effect transistor (MOSFET). | 12-27-2012 |
20120326235 | SEMICONDUCTOR DEVICE - A semiconductor device equally turns on the parasitic bipolar transistors in the finger portions of the finger form source and drain electrodes when a surge voltage is applied, even with the P+ type contact layer surrounding the N+ type source layers and the N+ type drain layers connected to the finger form source and drain electrodes. A P+ type contact layer surrounds N+ type source layers and N+ type drain layers. Metal silicide layers are formed on the N+ type source layers, the N+ type drain layers, and a portion of the P+ type contact layer. Finger form source electrodes, finger form drain electrodes, and a P+ type contact electrode surrounding these finger form electrodes are formed, being connected to the metal silicide layers respectively through contact holes formed in an interlayer insulation film deposited on the metal silicide layers. | 12-27-2012 |
20130001694 | LOW CAPACITANCE TRANSIENT VOLTAGE SUPPRESSOR (TVS) WITH REDUCED CLAMPING VOLTAGE - A low capacitance transient voltage suppressor with reduced clamping voltage includes an n+ type substrate, a first epitaxial layer on the substrate, a buried layer formed within the first epitaxial layer, a second epitaxial layer on the first epitaxial layer, and an implant layer formed within the first epitaxial layer below the buried layer. The implant layer extends beyond the buried layer. A first trench is at an edge of the buried layer and an edge of the implant layer. A second trench is at another edge of the buried layer and extends into the implant layer. A third trench is at another edge of the implant layer. Each trench is lined with a dielectric layer. A set of source regions is formed within a top surface of the second epitaxial layer. The trenches and source regions alternate. A pair of implant regions is formed in the second epitaxial layer. | 01-03-2013 |
20130001695 | UNI-DIRECTIONAL TRANSIENT VOLTAGE SUPPRESSOR (TVS) - An epitaxial layer is supported on top of a substrate. First and second body regions are formed within the epitaxial layer separated by a predetermined lateral distance. Trigger and source regions are formed within the epitaxial layer. A first source region is transversely adjacent the first body region between first and second trigger regions laterally adjacent the first source region and transversely adjacent the first body region. A second source region is located transversely adjacent the second body region between third and fourth trigger regions laterally adjacent the second source region and transversely adjacent the second body region. A third source region is laterally adjacent the fourth trigger region. The fourth trigger region is between the second and third source regions. An implant region within the fourth trigger region is laterally adjacent the third source region. | 01-03-2013 |
20130001696 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - A gate electrode and an electrode for protective diode are coupled to each other. An insulating film below the electrode for protective diode makes a leak current flow between the electrode for protective diode and an electron transit layer and an electron supply layer when a voltage equal to or more than a given value is applied to the gate electrode. The given value is higher than a voltage by which a HEMT is on-operated and lower than a breakdown voltage of a gate insulating film. | 01-03-2013 |
20130020645 | ESD FIELD-EFFECT TRANSISTOR AND INTEGRATED DIFFUSION RESISTOR - An electrostatic discharge protection device, methods of fabricating an electrostatic discharge protection device, and design structures for an electrostatic discharge protection device. A drain of a first field-effect transistor and a diffusion resistor of higher electrical resistance may be formed as different portions of a doped region. The diffusion resistor, which is directly coupled with the drain of the first field-effect transistor, may be defined using an isolation region of dielectric material disposed in the doped region and selective silicide formation. The electrostatic discharge protection device may also include a second field-effect transistor having a drain as a portion the doped region that is directly coupled with the diffusion resistor and indirectly coupled by the diffusion resistor with the drain of the first field-effect transistor. | 01-24-2013 |
20130020646 | MULTI-CHANNEL HOMOGENOUS PATH FOR ENHANCED MUTUAL TRIGGERING OF ELECTROSTATIC DISCHARGE FINGERS - Mutual triggering of electrostatic discharge (ESD) fingers is improved by creating a base contact in each individual finger and connecting all of these base contacts in parallel. The local base contact in each ESD finger is located at a position where the base voltage significantly increases when the ESD current increases. Thus when an ESD finger is triggered its local base voltage will tend to significantly increase. Since all of the ESD finger bases are connected in parallel this local voltage increase will forward bias the base-emitter junctions of the other ESD fingers, thus triggering them all. By sharing the triggering current from the fastest ESD finger with the slower ones ensures that all ESD fingers are triggered during an ESD event. | 01-24-2013 |
20130026576 | Combined Output Buffer and ESD Diode Device - An integrated circuit ESD protection circuit ( | 01-31-2013 |
20130032882 | BI-DIRECTIONAL BLOCKING VOLTAGE PROTECTION DEVICES AND METHODS OF FORMING THE SAME - Bi-directional blocking voltage protection devices and methods of forming the same are disclosed. In one embodiment, a protection device includes an n-well and first and second p-wells disposed on opposite sides of the n-well. The first p-well includes a first P+ region and a first N+ region and the second p-well includes a second P+ region and second N+ region. The device further includes a third P+ region disposed along a boundary of the n-well and the first p-well and a fourth P+ region disposed along a boundary of the n-well and the second p-well. A first gate is disposed between the first N+ region and the third P+ region and a second gate is disposed between the second N+ region and the fourth P+ region. The device provides bi-directional blocking voltage protection during high energy stress events, including in applications operating at very low to medium swing voltages. | 02-07-2013 |
20130062697 | SEMICONDUCTOR DEVICE - A semiconductor device capable of dissipating heat, which has been produced in an ESD protection element, to the exterior of the device rapidly and efficiently includes an ESD protection element having a drain region, a source region and a gate electrode, and a thermal diffusion portion. The thermal diffusion portion, which has been formed on the drain region, has a metal layer electrically connected to a pad, and contacts connecting the drain region and metal layer. The metal layer has a first wiring trace extending along the gate electrode, and second wiring traces intersecting the first wiring trace perpendicularly. The contacts are connected to intersections between the first wiring trace and the second wiring traces. Heat that has been produced at a pn-junction of the ESD protection element and transferred through a contact is diffused simultaneously in three directions through the first wiring trace and second wiring trace in the metal layer and is released into the pad. | 03-14-2013 |
20130075819 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SAME - A semiconductor device includes an active section for a main current flow and a breakdown withstanding section for breakdown voltage. An external peripheral portion surrounds the active section on one major surface of an n-type semiconductor substrate. The breakdown withstanding section has a ring-shaped semiconductor protrusion, with a rectangular planar pattern including a curved section in each of four corners thereof, as a guard ring. The ring-shaped semiconductor protrusion has a p-type region therein, is sandwiched between a plurality of concavities deeper than the p-type region, and has an electrically conductive film across an insulator film on the surface thereof. Because of this, it is possible to manufacture at low cost a breakdown withstanding structure with which a high breakdown voltage is obtained in a narrow width, wherein there is little drop in breakdown voltage, even when there are variations in a patterning process of a field oxide film. | 03-28-2013 |
20130105899 | INPUT/OUTPUT ELECTROSTATIC DISCHARGE DEVICE WITH REDUCED JUNCTION BREAKDOWN VOLTAGE | 05-02-2013 |
20130113045 | ELECTROSTATIC DISCHARGE (ESD) DEVICE AND SEMICONDUCTOR STRUCTURE - An electrostatic discharge (ESD) device is described, including a gate line, a source region at a first side of the gate line, a comb-shaped drain region disposed at a second side of the gate line and having comb-teeth parts, a salicide layer on the source region and the drain region, and contact plugs on the salicide layer on the source region and the drain region. Each comb-teeth part has thereon, at a tip portion thereof, at least one of the contact plugs. | 05-09-2013 |
20130113046 | SEMICONDUCTOR DEVICE AND METHOD FOR FORMING THE SAME - Semiconductor devices and methods of forming the same are provided. The semiconductor device may include a semiconductor element disposed on a substrate and including an insulating layer and a gate electrode, a doped region having a first conductivity-type on the substrate, a conductive interconnection electrically connected to the gate electrode, and a first contact plug having a second conductivity-type and electrically connecting the conductive interconnection and the doped region to each other and constituting a Zeiler diode by junction with the doped region. | 05-09-2013 |
20130119472 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device comprising: a PW layer formed at a surface of a semiconductor substrate; an NW layer formed at the surface of the semiconductor substrate to be in contact with the PW layer; a p+ base layer formed at the surface of the semiconductor substrate in the PW layer; an n+ collector layer formed at the surface of the semiconductor substrate in the NW layer; an n+ emitter layer located between the p+ base layer and the n+ collector layer and formed at the surface of the semiconductor substrate in the PW layer; and an n± layer formed between the n+ collector layer and the PW layer to be in contact with the n+ collector layer. | 05-16-2013 |
20130126974 | ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT - An electrostatic discharge protection circuit is used in an integrated circuit with a first sub-circuit working with a first working voltage source and a second sub-circuit working with a second working voltage source lower than the first working voltage source. The electrostatic discharge protection circuit includes a first metal-oxide-semiconductor transistor of a first conductive type, having a drain thereof electrically connected to a pad of the integrated circuit, and gate, source and bulk thereof electrically connected to a bulk voltage; and a guard ring of the first conductive type, surrounding the first metal-oxide-semiconductor transistor of the first conductive type and coupled to the second working voltage source. | 05-23-2013 |
20130146978 | TRANSISTOR ASSISTED ESD DIODE - An integrated circuit includes a diode/bipolar ESD protection device. The diode/bipolar ESD device includes at least one gate separated ESD diode and at least one gate spaced ESD bipolar transistor coupled in parallel between a fixed voltage and an input/output pin. | 06-13-2013 |
20130146979 | Compensated Well ESD Diodes With Reduced Capacitance - An integrated circuit with a shallow trench isolated, low capacitance, ESD protection diode. An integrated circuit with a gate space isolated, low capacitance, ESD protection diode. An integrated circuit with a gate space isolated, low capacitance, ESD protection diode in parallel with a shallow trench isolated, low capacitance, ESD protection diode. | 06-13-2013 |
20130154008 | ISOLATED EPITAXIAL MODULATION DEVICE - An isolated epitaxial modulation device comprises a substrate; a barrier structure formed on the substrate; an isolated epitaxial region formed above the substrate and electrically isolated from the substrate by the barrier structure; a semiconductor device, the semiconductor device located in the isolated epitaxial region; and a modulation network formed on the substrate and electrically coupled to the semiconductor device. The device also comprises a bond pad and a ground pad. The isolated epitaxial region is electrically coupled to at least one of the bond pad and the ground pad. The semiconductor device and the epitaxial modulation network are configured to modulate an input voltage. | 06-20-2013 |
20130154009 | SEMICONDUCTOR DEVICE - A standard cell has gate patterns extending in Y direction and arranged at an equal pitch in X direction. End portions of the gate patterns are located at the same position in Y direction, and have an equal width in X direction. A diode cell is located next to the standard cell in Y direction, and includes a plurality of opposite end portions formed of gate patterns that are opposed to the end portions, in addition to a diffusion layer which functions as a diode. | 06-20-2013 |
20130161749 | SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit includes: a first conductive line coupled with a first pad for receiving a first voltage; a second conductive line coupled with a second pad for receiving a second voltage; a third conductive line arranged to be placed in a floating state; a first electrostatic discharge unit coupled between a third pad for inputting/outputting a signal and the third conductive line through a first common conductive line, wherein the first electrostatic discharge unit is configured to provide a bi-directional electrostatic discharge path between the third pad and the third conductive line according to an electrostatic discharge mode; a second electrostatic discharge unit coupled between the first conductive line and the third conductive line through a second common conductive line; and a third electrostatic discharge unit coupled between the second conductive line and the third conductive line through a third common conductive line. | 06-27-2013 |
20130168772 | SEMICONDUCTOR DEVICE FOR ELECTROSTATIC DISCHARGE PROTECTING CIRCUIT - A semiconductor device for an electrostatic discharge (ESD) protecting circuit connected to a pad is provided. The semiconductor device includes a semiconductor substrate of a first conductivity type; a plurality of metal oxide semiconductor transistors (MOSFETs) formed in the semiconductor substrate, and an isolation structure of a second conductivity type formed in the semiconductor substrate. The MOFETS are arranged in parallel. Drain electrodes of the MOSFETs are electrically connected to the pad, gate electrodes and source electrodes of the MOSFETs are connected to a constant voltage, and the gate electrodes extend in a first direction. The isolation structure includes a bottom and at least two side walls, wherein the bottom is located under the MOSFETs and the two side walls are located at two sides of the MOSFETs, and the side walls extend in the first direction. | 07-04-2013 |
20130175628 | ELECTRONIC DEVICE INCLUDING ELECTRICALLY CONDUCTIVE BODY FOR ESD PROTECTION AND RELATED METHODS - An electronic device may include a transistor device including a transistor package and transistor terminals extending outwardly therefrom. The electronic device may also include an electrically conductive body removably coupled to and shorting together the transistor terminals for electrostatic discharge (ESD) protection. | 07-11-2013 |
20130187231 | ESD PROTECTION CIRCUIT - A device having a substrate defined with a device region which includes an ESD protection circuit is disclosed. The ESD protection circuit has first and second transistors. A transistor includes a gate having first and second sides, a first diffusion region in the device region adjacent to the first side of the gate, and a second diffusion region in the device region displaced away from the second side of the gate. The first and second diffusion regions include dopants of a first polarity type. The device includes a first device well which encompasses the device region and second device wells which are disposed within the first device well. A well contact is coupled to the second device wells. The well contact surrounds the gates of the transistors and abuts the first diffusion regions of the transistors. | 07-25-2013 |
20130207191 | SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A semiconductor structure and a method for manufacturing the same are provided. The semiconductor structure comprises a first doped region and a second doped region. The first doped region comprises a first contact region. The first doped region and the first contact region have a first type conductivity. The second doped region comprises a second contact region. The second doped region and the second contact region have a second type conductivity opposite to the first type conductivity. The first doped region is adjacent to the second doped region. | 08-15-2013 |
20130214359 | CIRCUIT-PROTECTION DEVICES - In an embodiment, a circuit-protection device has first and second circuit-protection units, each comprising first and second nodes. A gate is between the first nodes of first and second circuit-protection units. The first nodes of first and second circuit-protection units are on a common active region. | 08-22-2013 |
20130228866 | Semiconductor Devices and Manufacturing and Design Methods Thereof - Semiconductor devices and manufacturing and design methods thereof are disclosed. In one embodiment, a semiconductor device includes an active FinFET disposed over a workpiece comprising a first semiconductive material, the active FinFET comprising a first fin. An electrically inactive FinFET structure is disposed over the workpiece proximate the active FinFET, the electrically inactive FinFET comprising a second fin. A second semiconductive material is disposed between the first fin and the second fin. | 09-05-2013 |
20130228867 | SEMICONDUCTOR DEVICE PROTECTED FROM ELECTROSTATIC DISCHARGE - According to one embodiment, a semiconductor device includes a first semiconductor chip, at least one second semiconductor chip, a first connector, and a second connector. The first semiconductor chip includes a first input pad, first protection circuit, and first internal circuit. The at least one second semiconductor chip includes a second input pad, second protection circuit, and second internal circuit. The first connector electrically connects the first and second input pads. The second connector connects the first protection circuit and first input pad of the first semiconductor chip. The second protection circuit of the at least one second semiconductor chip is not connected to the second input pad. | 09-05-2013 |
20130234250 | FinFET-Based ESD Devices and Methods for Forming the Same - A device includes a plurality of STI regions, a plurality of semiconductor strips between the STI regions and parallel to each other, and a plurality of semiconductor fins over the semiconductor strips. A gate stack is disposed over and crossing the plurality of semiconductor fins. A drain epitaxy semiconductor region is disposed on a side of the gate stack and connected to the plurality of semiconductor fins. The drain epitaxy semiconductor region includes a first portion adjoining the semiconductor fins, wherein the first portion forms a continuous region over and aligned to the plurality of semiconductor strips. The drain epitaxy semiconductor region further includes second portions farther away from the gate stack than the first portion. Each of the second portions is over and aligned to one of the semiconductor strips. The second portions are parallel to each other, and are separated from each other by a dielectric material. | 09-12-2013 |
20130249005 | SEMICONDUCTOR DEVICE - A semiconductor device including a protection device and a protected device, the protection device includes a first semiconductor region of a second conductivity type formed over a substrate, a second semiconductor region of the second conductivity type provided in the first semiconductor region, having a higher impurity concentration than the first semiconductor region, a third semiconductor region of the second conductivity type formed in a surface layer of the second semiconductor region, having a higher impurity concentration than the second semiconductor region, a fourth semiconductor region of the second conductivity type formed in the first semiconductor region and located away from the third semiconductor region, having a higher impurity concentration than the first semiconductor region, a fifth semiconductor region of a first conductivity type formed in the first semiconductor region and electrically short-circuited with the fourth semiconductor region, and a seventh semiconductor region of the first conductivity type. | 09-26-2013 |
20130264645 | Diode Biased ESD Protection Device and Method - An ESD protection device includes an MOS transistor with a source region, drain region and gate region. A node designated for ESD protection is electrically coupled to the drain. A diode is coupled between the gate and source, wherein the diode would be reverse biased if the MOS transistor were in the active operating region. | 10-10-2013 |
20130264646 | Diode Biased ESD Protection Device and Method - An ESD protection device includes an MOS transistor with a source region, drain region and gate region. A node designated for ESD protection is electrically coupled to the drain. A diode is coupled between the gate and source, wherein the diode would be reverse biased if the MOS transistor were in the active operating region. | 10-10-2013 |
20130264647 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A semiconductor integrated circuit device with a “PAD on I/O cell” structure in which a pad lead part is disposed almost in the center of an I/O part so as to reduce the chip layout area. In the I/O part, a transistor lies nearest to the periphery of the semiconductor chip. When seen in a plan view of the I/O part, a resistance lies above the transistor and a first and a second diode lie above the resistance; a second transistor lies above the diodes; and a logic block lies above the second transistor with a pad lead part, for example, formed in a metal wiring layer, therebetween. This permits the pad through the second transistor to be on the same node and therefore the pad lead part can be disposed almost in the center of the I/O part. | 10-10-2013 |
20130277745 | ELECTROSTATIC DISCHARGE (ESD) GUARD RING PROTECTIVE STRUCTURE - An ESD protection circuit includes a MOS transistor of a first type, a MOS transistor of a second type, an I/O pad, and first, second, and third guard rings of the first, second, and first types, respectively. The MOS transistor of the first type has a source coupled to a first node having a first voltage, and a drain coupled to a second node. The MOS transistor of the second type has a drain coupled to the second node, and a source coupled to a third node having a second voltage lower than the first voltage. The I/O pad is coupled to the second node. The first, second, and third guard rings are positioned around the MOS transistor of the second type. | 10-24-2013 |
20130292770 | ANTI-SNAPBACK CIRCUITRY FOR METAL OXIDE SEMICONDUCTOR (MOS) TRANSISTOR - A circuit for protecting a metal oxide semiconductor (MOS) device is configured to hold down or pull down a voltage at a gate of the protected MOS device during an electrostatic discharge (ESD) event. The circuit includes at least one active device or capacitance-providing element connected to the gate of the protected MOS device, configured to pull down or hold down the voltage at the gate of the protected MOS device when the ESD event occurs. | 11-07-2013 |
20130292771 | METHOD AND APPARATUS FOR INTEGRATED CIRCUIT PROTECTION - In certain examples an integrated circuit protection circuit can include a circuit module, and an isolation device. The isolation device can be configured to couple a ground node of the circuit module to a power ground in an on state, and to isolate the ground node of the circuit module from the power ground in an off state, wherein the isolation module is configured to enter the off state when the IC receives a negative input voltage. | 11-07-2013 |
20130328125 | PROTECTION COMPONENT AND ELECTROSTATIC DISCHARGE PROTECTION DEVICE WITH THE SAME - An electrostatic discharge protection device includes a protection component and a component controller. The protection component includes a first and a second P-type wells which are disposed in an N-type deep well, a first N-type transistor which is formed in the N-type deep well and the first P-type well, and a second N-type transistor which is formed in the N-type deep well and the second P-type well. When an electrostatic pulse occurs at a first pad or a second pad, the component controller turns on one of the first and the second N-type transistors to discharge the electrostatic pulse. When a first and a second operating signals are supplied to the first and the second pads, the component controller turns off the first and the second N-type transistors according to the first and the second operating signals so that the protection component is incapable of generating the current path. | 12-12-2013 |
20140027856 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE - An electrostatic discharge (ESD) includes a semiconductor substrate having the first conductive type, a well having the first conductive type, a buried layer having the second conductive type and a well having the second conductive type. The buried layer having a second conductive type is disposed in the semiconductor substrate under the well having the first conductive type. The well having the second conductive type disposed to divide the well having the first conductive type into a first well and a second well. The well having the second conductive type contacts the buried layer, and the well having the second conductive type and the buried layer are jointly used to isolate the first well from the second well. | 01-30-2014 |
20140042544 | SEMICONDUCTOR DEVICE - Aspects of the invention provide a compact semiconductor device having a surge protection element, which can reliably protect against surge and is unlikely to be affected by manufacturing variation. By forming a parasitic n-p-n transistor on a guard ring, and adopting the parasitic n-p-n transistor as a surge protection element, it is possible to provide a compact semiconductor device having a surge protection element. Also, by adopting the parasitic n-p-n transistor as a surge protection element, it is possible to reduce the operating resistance in comparison with when using a parasitic n-p-n transistor as a surge protection element, and thus possible to improve the surge protection function. Further, by providing one surge protection element on the guard ring, rather than providing a surge protection element in each cell, it is possible minimize the effect of manufacturing variation (i.e., in-plane variation) on the surge protection function. | 02-13-2014 |
20140054707 | ELECTROSTATIC DISCHARGE (ESD) PROTECTION DEVICE - An electrostatic discharge (ESD) protection device is provided. The ESD protection device includes an epitaxy layer disposed on a semiconductor substrate. An isolation pattern is disposed on the epitaxy layer to define a first active region and a second active region, which are surrounded by a first well region. A gate is disposed on the isolation pattern. A first doped region and a second doped region are disposed in the first active region and the second active region, respectively. A drain doped region is disposed in the first doped region. A source doped region and a first pick-up doped region are disposed in the second doped region. A source contact plug having an extended portion connects to the source doped region. A ratio of an area of the extended portion covering the first pick-up doped region to an area of first pick-up doped region is between zero and one. | 02-27-2014 |
20140061802 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - An antifuse of a semiconductor device includes a semiconductor substrate including a device isolation layer and an active region, a gate structure extending across an interface between the device isolation layer and the active region, a contact coupled to at least a portion of a sidewall of the gate structure, and a metal interconnection provided on the contact and gate structure. | 03-06-2014 |
20140061803 | ELECTROSTATIC DISCHARGE (ESD) DEVICE AND METHOD OF FABRICATING - A structure and method of fabricating electrostatic discharge (EDS) circuitry in an integrated circuit chip by integrating a lateral bipolar, either a p-n-p with a NMOSFET or a n-p-n with a PMOSFET within a triple well. The lateral bipolar preferably includes diodes at the I/O and/or the VDDs of the circuitry. | 03-06-2014 |
20140070319 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A first MOSFET is formed in a first region of a chip, and a second MOSFET is formed in a second region thereof. A first source terminal and a first gate terminal are formed in the first region. In the second region, a second source terminal and a second gate terminal are arranged so as to be aligned substantially parallel to a direction in which the first source terminal and the first gate terminal are aligned. A temperature detection diode is arranged between the first source terminal and the second source terminal. A first terminal and a second terminal of the temperature detection diode are aligned in a first direction substantially parallel to a direction in which the first source terminal and the first gate terminal are aligned or in a second direction substantially perpendicular thereto. | 03-13-2014 |
20140077301 | THIN FILM TRANSISTOR ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE - Embodiments of the present invention disclose a thin film transistor array substrate, a manufacturing method thereof, and a display device. The thin film transistor array substrate comprises: an active pixel region and a wiring region, in which a conductive electrode is formed within the wiring region and the conductive electrode is grounded. The manufacturing method comprises: a thin film transistor array is formed within an active pixel region of a substrate; and a conductive electrode is formed within a wiring region located at the periphery of the active pixel region. | 03-20-2014 |
20140084373 | ESD Clamp in Integrated Circuits - A device includes a High-Voltage N-Well (HVNW) region have a first edge, and a High-Voltage P-Well (HVPW) region having a second edge adjoining the first edge. A first Shallow N-well (SHN) region is disposed over a lower portion of the HVNW region, wherein the first SHN region is spaced apart from the first edge by an upper part of the HVNW region. A second SHN region is disposed over a lower portion of the HVPW region, wherein the second SHN region is laterally spaced apart from the second edge. A Shallow P-well (SHP) region is disposed over the lower portion of the HVPW region, and is between the first SHN region and the second SHN region. The SHP region has a p-type impurity concentration higher than a p-type impurity concentration of the HVPW region. An isolation region is disposed over and contacting the SHP region. | 03-27-2014 |
20140117451 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device having high ESD tolerance. A first via ( | 05-01-2014 |
20140124864 | ANTIFUSE OF SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - An antifuse of a semiconductor device and a method of fabricating the same capable of causing an antifuse to stably operate by rupturing the antifuse at a specific point and stabilizing a current level when rupturing the antifuse are provided. The antifuse may include: a device isolation layer defining a first active region in a semiconductor substrate; a first and second junction regions provided in the first active region; a second active region formed over the first junction region; a gate insulating layer formed over the first active region and the second active region; and a gate electrode formed over the gate insulating layer. | 05-08-2014 |
20140145266 | SEMICONDUCTOR INTEGRATED CIRCUIT WITH TSV BUMPS - A semiconductor integrated circuit is provided. In the semiconductor integrated circuit, each of ESD protection circuitries is disposed between two of TSV bumps arrayed in a matrix, the two being arranged adjacent to each other. First main power lines are disposed to overlap P-channel ESD protection elements. Second main power lines are disposed to overlap N-channel ESD protection elements. The first and second main power lines are arranged orthogonally to each other. | 05-29-2014 |
20140151808 | BULK FINFET ESD DEVICE - Aspects of the disclosure provide a dual electrostatic discharge (ESD) protection device in fin field effect transistor (FinFET) process technology and methods of forming the same. In one embodiment, the dual ESD protection device includes: a bulk silicon substrate; a shallow trench isolation (STI) region formed over the bulk silicon substrate; a first ESD device positioned above the STI region; and a second ESD device positioned below the STI region, wherein the first ESD device conducts current above the STI region and the second ESD device conducts current below the STI region. | 06-05-2014 |
20140151809 | APPARATUS FOR ESD PROTECTION - A structure comprises an N+ region formed over a substrate, a P+ region formed over the substrate, wherein the P+ region and the N+ region form a diode and a first epitaxial growth block region formed between the N+ region and the P+ region. | 06-05-2014 |
20140167169 | ESD PROTECTION CIRCUIT - An electrostatic discharge (ESD) protection circuit connecting to an input pad is configured to dissipate an ESD current. The circuit has a substrate of a first conductivity type, a first well of a second conductivity type in the substrate, and a second well of the first conductivity type in the first well. The circuit further has a diode device having a first end of the first conductivity type electrically coupled to the input pad and a second end of the second conductivity type in the second well. Moreover, the protection circuit has a first doped region of the second conductivity type in the first well electrically connecting to the input pad, and a second doped region of the first conductivity type in the substrate electrically coupled to the ground. The circuit also has a channel formed between the input pad and the second doped region to provide an ESD current discharge. | 06-19-2014 |
20140167170 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE AND SEMICONDUCTOR STRUCTURE THEREOF - An electrostatic discharge protection device for a liquid crystal display panel and a semiconductor structure thereof are disclosed. The semiconductor structure includes a gate electrode layer, a gate insulation layer, a semiconductor electrode layer, and a source/drain electrode layer. The gate electrode layer is disposed on a substrate and includes a taper. The gate insulation layer is disposed on the gate electrode layer and includes a first corner and a second corner. The semiconductor electrode layer is disposed on the gate insulation layer. The source/drain electrode layer is disposed on the semiconductor electrode layer. A first electrostatic discharge path and a second electrostatic discharge path are formed between the taper and the first and second corners. | 06-19-2014 |
20140175551 | Apparatus for ESD Protection - A structure comprises an N+ region formed over a first fin of a substrate, a P+ region formed over a second fin of the substrate, wherein the P+ region and the N+ region form a diode, a shallow trench isolation region formed between the P+ region and the N+ region and a first epitaxial growth block region formed over the shallow trench isolation region and between the N+ region and the P+ region, wherein a forward bias current of the diode flows through a path underneath the shallow trench isolation region. | 06-26-2014 |
20140175552 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device capable of suppressing latch-up generation and formed within a small area. In a minority carrier capture region, a P-type diffusion region ( | 06-26-2014 |
20140197491 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - A semiconductor device and manufacturing method are disclosed which provide increased ESD resistance. By disposing a slit mask when forming a second p-type well layer, impurity concentration of the second p-type well layer is partially reduced. By forming a second n-type offset layer in the second p-type well layer having decreased impurity concentration, it is possible to increase thickness of the second n-type offset layer in this place compared with that heretofore known. By increasing thickness of the second n-type offset layer, a depletion layer does not reach an n-type drain layer at a low voltage when reverse bias is applied to the drain. It thus is possible to prevent thermal destruction caused by localized electrical field concentration. As a result, it is possible to increase ESD resistance. As it is sufficient to replace a photoresist mask, there is no increase in the number of processes. | 07-17-2014 |
20140203367 | Transistor Structure for Electrostatic Discharge Protection - The present invention discloses a transistor structure for electrostatic discharge protection. The structure includes a substrate, a doped well, a first doped region, a second doped region and a third doped region. The doped well is disposed in the substrate and has a first conductive type. The first doped region is disposed in the substrate, encompassed by the doped well and has the first conductive type. The second doped region is disposed in the substrate, encompassed by the doped well and has a second conductive type. The third doped region is disposed in the substrate, encompassed by the doped well and has the second conductive type. A gap is disposed between the first doped region and the second doped region. | 07-24-2014 |
20140203368 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE - The invention provides an electrostatic discharge (ESD) protection device. The ESD protection device includes a semiconductor substrate having an active region. A first well region having a first conductive type is formed in the active region. A first doped region having the first conductive type is formed in the first well region. A first metal contact is disposed on the first doped region. A second metal contact is disposed on the active region, connecting to the first well region. The first metal contact and a second metal contact are separated by a poly pattern or an insulating layer pattern disposed on the first well region. | 07-24-2014 |
20140217510 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device which uses a comb-like N-type MOS transistor as an ESD protection element and is capable of uniformly operating the entire comb-like N-type MOS transistor. By adjusting a length L of a gate electrode of the N-type MOS transistor used as the ESD protection element in accordance with the distance from a contact for fixing a substrate potential, which is provided on a guard ring around an outer periphery, respective portion of N-type MOS transistor represented as a comb teeth uniformly enter snap-back operation, permitting avoidance of local concentration of current and obtainment of a desired ESD tolerance. | 08-07-2014 |
20140217511 | SEMICONDUCTOR DEVICE HAVING AN ESD PROTECTION CIRCUIT - An ESD protection circuit having a smaller area is provided. The ESD protection circuit includes: a P-type diffusion resistor | 08-07-2014 |
20140252484 | Electronic Device Including a Schottky Contact - An electronic device can include a semiconductor layer having a primary surface, and a Schottky contact comprising a metal-containing member in contact with a horizontally-oriented lightly doped region within the semiconductor layer and lying adjacent to the primary surface. In an embodiment, the metal-containing member lies within a recess in the semiconductor layer and contacts the horizontally-oriented lightly doped region along a sidewall of the recess. In other embodiment, the Schottky contact may not be formed within a recess, and a doped region may be formed within the semiconductor layer under the horizontally-oriented lightly doped region and have a conductivity type opposite the horizontally-oriented lightly doped region. The Schottky contacts can be used in conjunction with power transistors in a switching circuit, such as a high-frequency voltage regulator. | 09-11-2014 |
20140284720 | SEMICONDUCTOR DEVICE FOR ELECTROSTATIC DISCHARGE PROTECTION - A semiconductor device includes a substrate, a gate positioned on the substrate, a drain region and a source region formed at respective two sides of the gate in the substrate, at least a first doped region formed in the drain region, and at least a first well having the first doped region formed therein. The source region and the drain region include a first conductivity type, the first doped region and the first well include a second conductivity type, and the first conductivity type and the second conductivity type are complementary to each other. | 09-25-2014 |
20140291764 | ESD PROTECTION STRUCTURE AND ESD PROTECTION CIRCUIT - An electrostatic discharge (ESD) protection structure and an ESD protection circuit are provided. A PMOS transistor is located in a first region of a first N-type well region of a semiconductor substrate. A first doped base region located in a second region of a first N-type well region is N-type doped and connected to an external trigger-voltage adjustment circuit. An NMOS transistor is located in a third region of a first P-type well region. Second doped base regions discretely located in a fourth region of a first P-type well region are P-type doped and connected to the external trigger-voltage adjustment circuit. A first N-region is located in the fourth region, surrounding the second doped base regions, and connected to the I/O interface terminal. A second N-region is located in the fourth region, surrounding the first N-region and the second doped base regions, and connected to the ground terminal. | 10-02-2014 |
20140291765 | ESD PROTECTION STRUCTURE AND ESD PROTECTION CIRCUIT - An electrostatic discharge (ESD) protection structure and an ESD protection circuit are provided. A PMOS transistor is located in a first region of a first N-type well region of a semiconductor substrate. A first doped base region located in a second region of a first N-type well region is N-type doped and connected to an external trigger-voltage adjustment circuit. An NMOS transistor is located in a third region of a first P-type well region. A second doped base region located in the fourth region of the first P-type well region is P-type doped and connected to the external trigger-voltage adjustment circuit. The external trigger-voltage adjustment circuit can be configured to pull up an electric potential of the second doped base region when the power supply terminal generates an instantaneous electric potential difference. | 10-02-2014 |
20140319613 | SEMICONDUCTOR DEVICE - A semiconductor device includes a substrate, a gate positioned on the substrate, a drain and a source formed in the substrate at respective two sides of the gate, and a doped region formed in the source. The drain and the source comprise a first conductivity type and the doped region comprises a second conductivity type. The first conductivity type and the second conductivity type are complementary to each other. | 10-30-2014 |
20140327079 | Electrostatic Discharge (ESD) Clamp Circuit with High Effective Holding Voltage - Boosted Electrostatic Discharge (ESD) clamp circuit with high effective holding voltage. In some embodiments, an integrated circuit may include a trigger circuit operably coupled to a first voltage bus and to a reference bus; a diode including an anode terminal operably coupled to a second voltage bus, the second voltage bus distinct from the first voltage bus; a transistor including a gate operably coupled to an output terminal of the trigger circuit, a drain operably coupled to a cathode terminal of the diode, and a source operably coupled to the reference bus; and an input/output (I/O) cell operably coupled to the first voltage bus, the second voltage bus, and the reference bus. | 11-06-2014 |
20150008523 | COMPENSATED WELL ESD DIODES WITH REDUCED CAPACITANCE - An integrated circuit with a shallow trench isolated, low capacitance, ESD protection diode. An integrated circuit with a gate space isolated, low capacitance, ESD protection diode. An integrated circuit with a gate space isolated, low capacitance, ESD protection diode in parallel with a shallow trench isolated, low capacitance, ESD protection diode. | 01-08-2015 |
20150028421 | ESD PROTECTION SEMICONDUCTOR DEVICE - A semiconductor substrate ( | 01-29-2015 |
20150076605 | Switching Device with Free-Wheeling Diode - The disclosure provides a switching device with a free-wheeling diode, including a switching tube; a heat radiating substrate is arranged on the drain electrode of the switching tube; the switching device further includes a heat radiating component, which is connected with the heat radiating substrate of the switching tube by contact; the free-wheeling diode is a compression joint type diode; the anode end face of the free-wheeling diode is abutted against the heat radiating component, and is electrically connected with the drain electrode of the switching tube via the heat radiating component, which not only realizes the heat radiation function by using the heat radiating component, but also realizes the electric connection to the heat radiating substrate by using the electrical conductivity of the heat radiating component. | 03-19-2015 |
20150115366 | CIRCULAR SEMICONDUCTOR DEVICE WITH ELECTROSTATIC DISCHARGE (ESD) DEVICE AND FUNCTIONAL DEVICE - One or more semiconductor devices with an electrostatic discharge (ESD) device and a functional device in a circular arrangement are provided herein. The semiconductor device comprises a first circular sector, a second circular sector, and at least two disconnect regions disposed between the first circular sector and the second circular sector. The first circular sector comprises at least one ESD device. The second circular sector comprises at least one functional device. A single semiconductor device having a circular arrangement or configuration thus has an ESD device and a functional device. | 04-30-2015 |
20150137248 | SEMICONDUCTOR DEVICE - A standard cell has gate patterns extending in Y direction and arranged at an equal pitch in X direction. End portions of the gate patterns are located at the same position in Y direction, and have an equal width in X direction. A diode cell is located next to the standard cell in Y direction, and includes a plurality of opposite end portions formed of gate patterns that are opposed to the end portions, in addition to a diffusion layer which functions as a diode. | 05-21-2015 |
20150145053 | SEMICONDUCTOR INTEGRATED CIRCUIT WITH TSV BUMPS - A semiconductor integrated circuit is provided. In the semiconductor integrated circuit, each of ESD protection circuitries is disposed between two of TSV bumps arrayed in a matrix, the two being arranged adjacent to each other. First main power lines are disposed to overlap P-channel ESD protection elements. Second main power lines are disposed to overlap N-channel ESD protection elements. The first and second main power lines are arranged orthogonally to each other. | 05-28-2015 |
20150364463 | SEMICONDUCTOR DEVICE AND INTEGRATED CIRCUIT - A semiconductor device includes a first semiconductor region that has an external profile including at least one corner, and that includes a semiconductor of a first conductivity type, and a first insulation region that surrounds an outer periphery of the first semiconductor region, and that includes an insulator that, at a corner portion corresponding to the corner, has a depth deeper than a depth at a location other than the corner portion. The semiconductor device further includes a second semiconductor region that surrounds an outer periphery of the first insulation region, and that includes a semiconductor of a second conductivity type, and a second insulation region that surrounds an outer periphery of the second semiconductor region, and that includes an insulator that is deeper than the depth of the first insulation region at the location other than the corner portion. | 12-17-2015 |
20160013187 | SEMICONDUCTOR DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME | 01-14-2016 |
20160020200 | SEMICONDUCTOR DEVICE - In order to provide a semiconductor device having a high ESD tolerance, a source wiring ( | 01-21-2016 |
20160020203 | Electrostatic Discharge (ESD) Diode in FinFET Technology - In an embodiment, an ESD protection circuit is provided in which diodes may be formed between N+ and P+ diffusions within an insulated semiconductor region and in which additional diodes may be formed between adjacent insulated regions of opposite conduction type as well. The diodes may be used in parallel to form an ESD protection circuit, which may have low on resistance and may sink high ESD current per unit area. To support the formation of the ESD protection circuit, each silicon region may have alternating N+ and P+ diffusions, and adjacent silicon regions may have N+ and P+ diffusions alternating in opposite locations. That is a perpendicular drawn between the N+ diffusions of one adjacent region may intersect P+ diffusions in the other adjacent region, and vice versa. | 01-21-2016 |
20160027771 | CONFIGURATION OF GATE TO DRAIN (GD) CLAMP AND ESD PROTECTION CIRCUIT FOR POWER DEVICE BREAKDOWN PROTECTION - A semiconductor power device supported on a semiconductor substrate comprising a plurality of transistor cells each having a source and a drain with a gate to control an electric current transmitted between the source and the drain. The semiconductor further includes a gate-to-drain (GD) clamp termination connected in series between the gate and the drain further includes a plurality of back-to-back polysilicon diodes connected in series to a silicon diode includes parallel doped columns in the semiconductor substrate wherein the parallel doped columns having a predefined gap. The doped columns further include a U-shaped bend column connect together the ends of parallel doped columns with a deep doped-well that is disposed below and engulfing the U-shaped bend. | 01-28-2016 |
20160064372 | ESD SNAPBACK BASED CLAMP FOR FINFET - There is set forth herein a field effect transistor (FET) configured as an ESD protection device. In one embodiment, the FET can be configured to operate in a snapback operating mode. The FET can include a semiconductor substrate, a gate formed on the substrate and a dummy gate formed on the substrate spaced apart from the gate. | 03-03-2016 |
20160071833 | Diode Biased ESD Protection Device and Method - An ESD protection device includes an MOS transistor with a source region, drain region and gate region. A node designated for ESD protection is electrically coupled to the drain. A diode is coupled between the gate and source, wherein the diode would be reverse biased if the MOS transistor were in the active operating region. | 03-10-2016 |
20160086935 | SEMICONDUCTOR DEVICE - According to one embodiment, a semiconductor device includes a first IO cell and a second IO cell arranged on a periphery of the core circuit. Each of the first IO cell and the second IO cell comprises: a power supply terminal to which a power supply voltage is applied; a ground terminal connected to ground; an RC delay circuit including a resistor having one terminal connected to one of the power supply terminal and the ground terminal and a capacitor having one terminal connected to the other terminal of the resistor and the other terminal connected to the other of the power supply terminal and the ground terminal; a P-type transistor; and an N-type transistor. | 03-24-2016 |
20160118375 | SEMICONDUCTOR INTEGRATED CIRCUIT - A first power line configured to receive a first voltage, a second power line configured to receive a second voltage which is lower than the first voltage, a first clamping unit configured to be connected to the first power line, a second clamping unit configured to be connected between the first clamping unit and the second power line, and a discharging unit configured to, when an abnormal voltage introduced through the first power line or the second power line is applied, discharge the abnormal voltage by coupling with the first clamping unit or the second clamping unit are included. | 04-28-2016 |
20160190118 | POWER SWITCH DEVICE - A power switch device includes a transistor and an ESD protection circuit. The transistor includes a source, a drain, and a gate, wherein a well region is disposed between the source and the drain. One end of the ESD protection circuit is coupled to the gate and another end thereof is coupled to the well region so as to form a protection circuit between the gate and the source and between the gate and the drain simultaneously. | 06-30-2016 |
20220139903 | INTEGRATED CIRCUIT AND METHOD FOR FABRICATING THE SAME - A method for fabricating an integrated circuit is provided. The method includes etching a first recess in a semiconductor structure; forming a first doped epitaxial feature in the first recess; and forming a second doped epitaxial feature over the first doped epitaxial feature, wherein the second doped epitaxial feature has a conductive type opposite to a conductive type of the first doped epitaxial feature. | 05-05-2022 |
20220139905 | Semiconductor Device - A semiconductor device has an N-type substrate, a through conductor penetrating the N-type substrate, a protection target circuit provided on the N-type substrate, and an ESD protection circuit provided on the N-type substrate. The protection target circuit and the ESD protection circuit are connected together to the through conductor. | 05-05-2022 |