Class / Patent application number | Description | Number of patent applications / Date published |
337290000 | Fusible link or element structure or material | 69 |
20080204184 | Passive Triggering of a Circuit Breaker for Electrical Supply Lines of Motor Vehicles - The invention relates to a circuit breaker for electrical supply lines, particularly power supply lines or battery cables, for motor vehicles, which circuit breaker is comprised of a first connecting element ( | 08-28-2008 |
20090015366 | MECHANICAL REINFORCEMENT STRUCTURE FOR FUSES - A fuse includes an electrical assembly and a fuse tube assembly. The electrical assembly has two electrical contacts accessible from the exterior of the fuse and a fuse element in contact with the two electrical contacts. The fuse tube assembly includes a support structure surrounding at least a portion of the electrical assembly and a reinforcing structure formed over the support structure and in contact with at least a portion of the electrical assembly. The reinforcing structure is made of a fiber matrix pre-impregnated with a resin. | 01-15-2009 |
20090251275 | Semiconductor device - A semiconductor device | 10-08-2009 |
20090267723 | Electrical fuse devices - An electrical fuse device includes a cathode and an anode formed apart from each other and a fuse link connecting the cathode and the anode. The cathode includes a first region and a second region. The second region is arranged between the first region and the fuse link. A width of the second region may be greater than a width of the first region. | 10-29-2009 |
20100066477 | FUSIBLE SUBSTRATE - A fuse element includes a substrate disposed between first and second terminals. The substrate includes an electrically insulative material. A conductive film is disposed on a first surface of the substrate and in electrical contact with the first terminal and second terminals. | 03-18-2010 |
20100148915 | ELECTRICAL FUSE STRUCTURE AND METHOD FOR FABRICATING THE SAME - An electrical fuse structure is disclosed. The electrical fuse structure includes a fuse element disposed on surface of a semiconductor substrate, a cathode electrically connected to one end of the fuse element, and an anode electrically connected to another end of the fuse element. Specifically, a compressive stress layer is disposed on at least a portion of the fuse element. | 06-17-2010 |
20100176910 | FUSIBLE ALLOY ELEMENT, THERMAL FUSE WITH FUSIBLE ALLOY ELEMENT AND METHOD FOR PRODUCING A THERMAL FUSE - The invention relates to a fusible alloy element ( | 07-15-2010 |
20100245025 | SOLDERLESS SURFACE MOUNT FUSE - A surface mount fuse in one embodiment includes an insulative body, first and second conductive and caps attached to the insulative body, each end cap defining an aperture, and a fuse element extending (i) through the insulative body and the apertures and (ii) along outside surfaces of the first and second conductive end caps in such a way that solder used to attach the first and second conductive end caps to an external medium also fastens the fuse element to the first and second end caps. | 09-30-2010 |
20110063070 | METAL FILM SURFACE MOUNT FUSE - A chip fuse includes a plurality of parallel fusible link layers disposed between a corresponding plurality of insulating glass layers deposited on a substrate and laminated together. The fusible link layers are interconnected between the glass layers without the need for vias. A first of the plurality of fusible link layers extends beyond a cover disposed over the chip fuse and one of the glass layers to form a first electrical terminal connection. Another of the plurality of the fusible link layers also extends beyond the cover and another of the glass layers to form a second electrical terminal connection. | 03-17-2011 |
20110121936 | CIRCUIT PROTECTION DEVICE - A circuit protection device includes a conductive layer which is connected to first and second terminals. A spring is electrically connected to the first and second terminals. When an over-voltage or over-temperature condition occurs within a charging circuit, one or more heat generating resistive elements melts material associated with one or more of the ends of the spring thereby releasing the spring to create an open circuit. | 05-26-2011 |
20110156856 | Electrical fuse devices - An electrical fuse device includes a cathode and an anode formed apart from each other and a fuse link connecting the cathode and the anode. The cathode includes a first region and a second region. The second region is arranged between the first region and the fuse link. A width of the second region may be greater than a width of the first region. | 06-30-2011 |
20110181385 | THERMAL FUSE - The invention relates to a thermal fuse ( | 07-28-2011 |
20110234362 | SHAPE MEMORY CIRCUIT BREAKERS - A shape memory circuit breaker includes a shape memory substrate having first and second opposed substrate ends. The shape memory substrate is configured to transition from a strained conductive configuration to a fractured non-conductive configuration. An isolation housing is coupled with the shape memory substrate. The isolation housing includes first and second anchors coupled near the first and second substrate ends. A brace extends between the first and second anchors, and the brace statically positions the first and second anchors and the respective first and second substrate ends. The shape memory substrate is configured to transition from the strained conductive configuration to the fractured non-conductive configuration at or above a specified temperature range corresponding to a specified overload current range or voltage range, and the first substrate end fractures from the second substrate end at or above the specified temperature range resulting in an open circuit. | 09-29-2011 |
20110241817 | CURRENT FUSE, SEMICONDUCTOR DEVICE, AND METHOD OF BLOWING A CURRENT FUSE - A current fuse includes: a fuse portion that is disposed on a substrate; and a conductive portion that is placed in an overlying layer above the fuse portion or an underlying layer between the substrate and the fuse portion, has the same potential as that of one portion of the fuse portion when a current is passed through the fuse portion, and extends apart from the fuse portion from the one portion side of the fuse portion as far as an overlying layer above or an underlying layer below another portion of the fuse portion whose potential differs from that of the one portion. | 10-06-2011 |
20120154102 | ELECTRICAL FUSE STRUCTURE - An electrical fuse structure includes a first metal strip having a first width W | 06-21-2012 |
20130099888 | Fuses, and Methods of Forming and Using Fuses - Some embodiments include a fuse having a tungsten-containing structure directly contacting an electrically conductive structure. The electrically conductive structure may be a titanium-containing structure. An interface between the tungsten-containing structure and the electrically conductive structure is configured to rupture when current through the interface exceeds a predetermined level. Some embodiments include a method of forming and using a fuse. The fuse is formed to have a tungsten-containing structure directly contacting an electrically conductive structure. An interface between the tungsten-containing structure and the electrically conductive structure is configured to rupture when current through the interface exceeds a predetermined level. Current exceeding the predetermined level is passed through the interface to rupture the interface. | 04-25-2013 |
20130207769 | Fuse Arrangement - A fuse arrangement includes a first safety fuse and a second safety fuse connected electrically in parallel with each other. The fuse arrangement also includes an end plate mechanically coupled to the first and second safety fuses to form a structural unit. The creation of a structural unit may actively prevent a disassembly and thus replacement of only one of the two safety fuses. Furthermore, the electrical parallel connection of the two safety fuses may double the maximum current strength of the fuse arrangement and/or significantly reduce the required installation space of the fuse arrangement, with a continuous maximum current strength. | 08-15-2013 |
20130214894 | METAL FUSE STRUCTURE FOR IMPROVED PROGRAMMING CAPABILITY - Structure providing more reliable fuse blow location, and method of making the same. A vertical metal fuse blow structure has, prior to fuse blow, an intentionally damaged portion of the fuse conductor. The damaged portion helps the fuse blow in a known location, thereby decreasing the resistance variability in post-blow circuits. At the same time, prior to fuse blow, the fuse structure is able to operate normally. The damaged portion of the fuse conductor is made by forming an opening in a cap layer above a portion of the fuse conductor, and etching the fuse conductor. Preferably, the opening is aligned such that the damaged portion is on the top corner of the fuse conductor. A cavity can be formed in the insulator adjacent to the damaged fuse conductor. The damaged fuse structure having a cavity can be easily incorporated in a process of making integrated circuits having air gaps. | 08-22-2013 |
20140167906 | Integrated Circuit Fuse and Method of Fabricating the Integrated Circuit Fuse - A fuse formed as part of an integrated circuit has cavities disposed to the sides of the fuse to provide more reliable operation with less chance of re-connection. A method of providing the fuse is also described. | 06-19-2014 |
20150009007 | LAMINATED ELECTRICAL FUSE - A compact, high breaking capacity fuse that includes a top insulative layer, at least one intermediate insulative layer, and a bottom insulative layer arranged in a vertically stacked configuration. The at least one intermediate layer may have a hole formed therethrough that defines a chamber having arc suppression material disposed therein. A first conductive terminal may be formed on a first end of the fuse and a second conductive terminal may be formed on a second end of the fuse. At least one fusible element may connect the first terminal to the second terminal, thus providing an electrically conductive pathway therebetween. A portion of the at least one fusible element may pass through the air gap defined by the hole in the at least one intermediate insulative layer. | 01-08-2015 |
20160172141 | FUSIBLE LINK | 06-16-2016 |
20160172142 | FUSIBLE LINK | 06-16-2016 |
337293000 | Plural parallel fusible elements | 5 |
20090243787 | Electrical fuse devices and methods of operating the same - Provided are an electrical fuse device and a method of operating the same. The electrical fuse device may include a fuse link having a multi layer structure with at least two metal layers. The number of metal layers that are blown, from among the at least two metal layers, may vary according to either the duration of application of voltage or the strength of voltage applied. | 10-01-2009 |
20100176911 | Fuse of Semiconductor Device - A method for manufacturing a fuse of a semiconductor device comprises forming an island-type metal fuse in a region where a laser is irradiated, so that laser energy may not be dispersed in a fuse blowing process, thereby improving repair efficiency. | 07-15-2010 |
20100245026 | FUSE LINK AND A FUSE - According to the present invention, n (n=S is a positive integer) pieces of interrupting grids ( | 09-30-2010 |
20130076478 | FUSE ELEMENT - A fuse element and a method for manufacturing the same, are provided whereby the fuse element consists of an active response part which is advantageously formed by at least two parallel metal sub-strips of an elongated fuse metal foil including leading and trailing parts for electrical connection of each fuse element. The elongated fuse metal foil can be reinforced by an elongated dielectric base layer made of polymer material. Accordingly, performance of such a fuse element can be increased and manufacturing costs can be decreased. The fuse element especially can be applied to a plurality of capacitor sub-units being integrated in housings and submerged in a cooling and insulating liquid within the housing. | 03-28-2013 |
20170236673 | FUSE ELEMENT, FUSE DEVICE, AND HEAT-GENERATOR-INTEGRATED FUSE DEVICE | 08-17-2017 |
337295000 | With particular geometrical shape or configuration | 8 |
20080258857 | ELECTRONIC FUSE WITH CONFORMAL FUSE ELEMENT FORMED OVER A FREESTANDING DIELECTRIC SPACER - An electronic fuse for an integrated circuit and a method of fabrication thereof are presented. The electronic fuse has a first terminal portion and a second terminal portion interconnected by a fuse element. The fuse element has a convex upper surface and a lower surface with a radius of curvature at a smallest surface area of curvature less than or equal to 100 nanometers. Fabricating the electronic fuse includes forming an at least partially freestanding dielectric spacer above a supporting structure, and then conformably forming the fuse element of the fuse over at least a portion of the freestanding dielectric spacer, with the fuse element characterized as noted above. The dielectric spacer may remain in place as a thermally insulating layer underneath the fuse element, or may be removed to form a void underneath the fuse element. | 10-23-2008 |
20090206978 | Electrical fuse device including a fuse link - Example embodiments relate to an electrical device, for example, to an electrical fuse device that includes a fuse link for linking a cathode and anode. An electrical device may include a cathode, an anode, and a fuse link. The fuse link may link the cathode and the anode. The fuse link may include a multi-metal layer structure. The fuse link may include a first metal layer including a first resistance, and a second metal layer stacked on the first metal layer and including a second resistance. The first resistance may be different from the second resistance. The fuse link may include a weak point as a region at which electrical blowing is performed easier than other regions of the fuse link. | 08-20-2009 |
20120223802 | ELECTRICAL FUSE DEVICE - The invention relates generally to a fuse device of a semiconductor device, and more particularly, to an electrical fuse device of a semiconductor device. Embodiments of the invention provide a fuse device that is capable of reducing programming error caused by non-uniform current densities in a fuse link. In one respect, there is provided an electrical fuse device that includes: an anode; a fuse link coupled to the anode on a first side of the fuse link; a cathode coupled to the fuse link on a second side of the fuse link; a first cathode contact coupled to the cathode; and a first anode contact coupled to the anode, at least one of the first cathode contact and the first anode contact being disposed across a virtual extending surface of the fuse link. | 09-06-2012 |
20140266564 | LAMINATED ELECTRICAL FUSE - A compact, high breaking capacity fuse that includes a top insulative layer, at least one intermediate insulative layer, and a bottom insulative layer arranged in a vertically stacked configuration. The at least one intermediate layer may have a hole formed therethrough that defines an air gap within the fuse. A first conductive terminal may be formed on a first end of the fuse and a second conductive terminal may be formed on a second end of the fuse. At least one fusible element may connect the first terminal to the second terminal, thus providing an electrically conductive pathway therebetween. A portion of the at least one fusible element may pass through the air gap defined by the hole in the at least one intermediate insulative layer. | 09-18-2014 |
20140300444 | LAMINATED ELECTRICAL FUSE - A compact, high breaking capacity fuse that includes a top insulative layer, at least one intermediate insulative layer, and a bottom insulative layer arranged in a vertically stacked configuration. The at least one intermediate layer may have a hole formed therethrough that defines a chamber having arc suppression material disposed therein. A first conductive terminal may be formed on a first end of the fuse and a second conductive terminal may be formed on a second end of the fuse. At least one fusible element may connect the first terminal to the second terminal, thus providing an electrically conductive pathway therebetween. A portion of the at least one fusible element may pass through the air gap defined by the hole in the at least one intermediate insulative layer. | 10-09-2014 |
20150009008 | FUSE - A fuse comprises two electric contacts with a contact width, a fuse element disposed between two opposed fuse ends and comprising a first fuse having a minimum-section part with a first width and a first section. The fuse element further comprises at least one second fuse disposed between the first fuse and one of said two fuse ends. The second fuse comprises a narrowed part with a second width smaller than the first width and the contact width and with a second section ranging from 20% to 50% of the first section. | 01-08-2015 |
20150371802 | BLADE FUSE - Disclosed is a highly durable blade fuse for which a fused site in a narrow section and the rated current are determined in conformity with its design and the temperature of which does not increase greatly when a current flows through it. A blade fuse according to the present invention includes terminal sections (A, B) and a connection section ( | 12-24-2015 |
20160126048 | MULTIPOLAR FUSIBLE LINK - The invention in this application aims to provide a multipolar fusible link in which its lateral width can decrease while its entire height does not increase. A multipolar fusible link ( | 05-05-2016 |
337296000 | Composite (e.g., with overlay) | 8 |
20090102594 | FUSE - A method of creating a fuse. The method comprises the steps of creating a fusible link electrically connecting a first terminal portion to a second terminal portion, the fusible link, the first terminal portion and the second terminal portion being made of a first electrically conductive material; and spraying a coating of a second electrically conductive material onto the fusible link. The second electrically conductive material has a lower melting point than the first electrically conductive material and is absorbable in the first electrically conductive material. | 04-23-2009 |
20100289612 | CURRENT PROTECTION DEVICE AND THE METHOD FOR FORMING THE SAME - A current protection device comprises a substrate having an upper portion and a lower portion; a fusing layer installed between the upper portion and the lower portion; ends of the fusing layer exposed from the substrate; a cavity formed near surfaces of the fusing layer for providing a space to receive the fusing layer as the fusing layer fuses; and an end electrode having three layers including a silver thin layer, a nickel thin layer and a tin thin layer; the end electrode being formed as a conductive electrode. The method for forming the same is provided. | 11-18-2010 |
20110050384 | Termal fuse - A thermal fuse includes a first contact surface connected to a top surface of a sensor and a bottom surface connected to a bottom surface of the sensor. The sensor includes a mixture of Sn and Zn. The distance between the top surface and the bottom surface of the sensor is sized to substantially limit Zn depletion in a center region of the sensor when a temperature of the sensor is below a melting temperature of the sensor. The center region of the sensor prevents the first contact surface and the second contact surface from separating when the temperature of the sensor is below the melting temperature, and the first contact surface and the second contact surface are configured to separate when the temperature of the center region of the sensor exceeds the melting temperature of the sensor. | 03-03-2011 |
20110163840 | HIGH RELIABILITY BLADE FUSE AND THE MANUFACTURING METHOD THEREOF - The invention relates to the field of fuses, and particularly to a blade fuse used to protect electronic components and its manufacturing method. The said blade fuse comprises a ceramic substrate, a first metal layer, a second metal layer, an encapsulating layer, back electrodes and metal ends, wherein an insulating layer is between the first metal layer and the second metal layer, and the softening point of the insulating layer is between the melting points of the first and second metal layers; the method of manufacturing the said blade fuse includes the following steps: forming back electrodes on the back side of the substrate and then forming the first metal layer on the substrate in accordance with the pattern of the fuse wire; securing a metal mesh on the substrate, covering the two ends of the first metal layer, and forming the insulating layer with vapor deposition; removing the metal mesh, printing the second metal layer on the insulating layer with screen-printing technology and then covering all the surface of the substrate with the protective layer except its two ends wherein end electrodes are located so that the fuse wire is protected; the finished product is obtained after formation of end inner electrodes and end electrodes at last; the manufacturing processes disclosed in this invention is simple, and the blade fuse manufactured thereby is characteristic of excellent fusing performance, strong anti-aging capability and the smoother fusing curve. | 07-07-2011 |
20110210814 | MULTI-LAYER BLADE FUSE AND THE MANUFACTURING METHOD THEREOF - The invention relates to the field of fuses, and particularly a multi-layer blade fuse and its manufacturing method. The said multi-layer blade fuse comprises a ceramic substrate, back electrodes, front electrodes, fuse wire, protective layers and metal ends, wherein the fuse wire is prepared in multiple layers and the adjacent layers of fuse wire are connected in a head-to-tail style; the two lead-outs of the fuse wire as a whole are respectively connected to the two front electrodes located at the two ends of the substrate, and each layer of the fuse wire is deposited with a protective layer. During manufacturing, all protective layers but the upmost one leave the tail of each layer of fuse wire uncovered so that the head-to-tail series connection is possible. Compared with the prior methods, the method disclosed herein is characteristic of simpler manufacturing processes, less investment on equipments and much shorter manufacturing duration, which consequently reduce the cost. | 09-01-2011 |
20130293342 | METHOD OF MAKING FUSIBLE LINKS - Methods of fabricating the fusible link are directed to processing a multi-layer clad foil having a first layer suitable for forming a fusible link and a second layer suitable for forming one or more welding tabs. In some embodiments, the first layer is an aluminum layer and the second layer is a nickel layer. A two-step etching process or a single step etching process is performed on the clad foil to form an etched clad foil having multiple tabs made of the second layer and connected to the current collector conductor pads and battery cell conductor pads, and one or more connections made of the first layer that form aluminum conductors. The aluminum conductors are shaped and sized to form aluminum fusible conductors during either the etching process or a subsequent stamping process. A single fusible link or an array of fusible links can be formed. | 11-07-2013 |
20150009009 | CONDUCTIVE POLYMER FUSE - The present invention provides a conductive polymer fuse comprising a substrate having printed thereon poly(3,4-ethylenedioxythiophene)/poly(styrene-sulfonate) and one or more high conductivity connections, wherein the conductive fuse is encapsulated with an encapsulant. Methods for producing the inventive conductive polymer fuses are also provided. Such conductive polymer fuses may find use in improving printed electronic devices by protecting those devices against short circuits. | 01-08-2015 |
20150102896 | BARRIER LAYER FOR ELECTRICAL FUSES UTILIZING THE METCALF EFFECT - A fuse including a fuse element, a diffusion layer, and a barrier layer is provided. The barrier layer acts to slow down and/or prevent premature diffusion of the diffusion material into the fuse element during normal operation. As a result, the fuse may be operated in environments having higher ambient temperatures and/or higher currents than otherwise possible. some examples provide a fuse including a fuse element formed from a first conductive material, the fuse element, a barrier layer disposed on a surface of the fuse element, the barrier layer including first and second portions separated by a gap, the barrier layer formed from a second conductive material different from the first conductive material, and a diffusion layer disposed in the gap on the surface of the fuse element, the diffusion layer formed from a third conductive material different from the second conductive material and first conductive material. | 04-16-2015 |
337297000 | With nonconductive core (e.g., printed circuit) | 26 |
20080218305 | Low resistance polymer matrix fuse apparatus and method - A low resistance fuse apparatus and methods of manufacture includes a first intermediate insulation layer, a second intermediate insulation layer, and a free standing fuse element layer independently formed and fabricated from each of the first and second intermediate insulation layers, The fuse element layer includes first and second contact pads and a fusible link extending therebetween. The first and second intermediate insulation layers extend on opposite sides of the free standing fuse element layer and are laminated together with the fuse element layer therebetween. | 09-11-2008 |
20080303626 | Fuse For a Chip - In order to produce a cost-effective fuse ( | 12-11-2008 |
20090009281 | Fuse element and manufacturing method thereof - A fuse element comprises a substrate having a top surface, a bottom surface opposite to said top surface, and side surfaces, a heat insulation layer including a first surface and a second surface opposite to said first surface, said first surface of said heat insulation layer disposed on said top surface of said substrate, and said second surface having a surface roughness, a protective layer disposed above said heat insulation layer, and a fuse layer disposed between said heat insulation layer and said protective layer. | 01-08-2009 |
20090102595 | FUSE WITH CAVITY FORMING ENCLOSURE - A surface mount fuse includes a substrate, a fuse element applied to the substrate, first and second terminals applied to substrate, first and second conductors connecting the fuse element electrically with the first and second terminals, and an enclosure coupled to the substrate, the enclosure covering the first and second conductors and defining a cavity overlying at least a portion of the fuse element, the cavity allowing for distortion of the fuse element upon its opening. | 04-23-2009 |
20090167480 | Manufacturability of SMD and Through-Hole Fuses Using Laser Process - The invention relates to a method of manufacturing a circuit protector and to a circuit protector. The method comprises the steps of providing a substrate having opposing end portions, coupling an element layer to the top surface of the substrate, and laser machining the element layer to shape the element layer into a predetermined geometry. The circuit protector comprises a substrate having opposing end portions, termination pads coupled to the top surface at opposing end portions of the substrate, a fuse element disposed across a space between the termination pads and electrically connecting the termination pads, the fuse element having a predetermined geometry; the predetermined geometry having the narrowest width of about 0.025 to about 0.050 millimeters, a cover coupling the top surface and suffusing the substrate, the fuse element and the termination pads, and end terminations in electrical contact with the termination pads at the opposing end portions. | 07-02-2009 |
20100141375 | Trace fuse with positive expulsion - A circuit interruption device for printed wiring boards having a positive expulsion device for removing melted fuse material, plasma and debris from the printed wiring board. | 06-10-2010 |
20100164679 | INTEGRATED CIRCUIT INCLUDING A FUSING CIRCUIT CAPABLE FOR PROTECTING A FUSING SPARK - An integrated circuit includes a first inner circuit including at least one first semiconductor device, a second inner circuit including at least one second semiconductor device, and a fusing circuit connected between the first inner circuit and the second inner circuit to perform a fusing operation which electrically disconnects the first inner circuit from the second inner circuit through a fusing voltage. The fusing circuit bypasses a spark current occurring during the fusing operation to a ground power source so as not to flow the spark current into the first inner circuit and the second inner circuit. | 07-01-2010 |
20100245027 | Reflowable thermal fuse - A reflowable thermal fuse includes a positive-temperature-coefficient (PTC) device that defines a first end and a second end, a conduction element that defines a first end and a second end in electrical communication with the second end of the PTC device, and a restraining element that defines a first end in electrical communication with the first end of the PTC device and a second end, in electrical communication with a second end of the conduction element. The restraining element is adapted to prevent the conduction element from coming out of electrical communication with the PTC device in an installation state of the thermal fuse. During a fault condition, heat applied to the thermal fuse diverts current flowing between the first end of the PTC device and the second end of the conduction element to the restraining element, causing the restraining element to release the conduction element and activate the fuse. | 09-30-2010 |
20100245028 | CIRCUIT PROTECTIVE DEVICE AND METHOD FOR MANUFACTURING THE SAME - A circuit protecting element includes insulating substrate ( | 09-30-2010 |
20100265031 | Surface mount thin film fuse structure and method of manufacturing the same - The present invention discloses a surface mount thin film fuse structure including a fusible fuse circuit structure disposed on a side of an insulating substrate, and the fusible fuse circuit structure has a fusible link portion electrically connected between two opposite electrode portions. If an overload current is passed through the fusible link portion, the fusible link portion will be melted down by a high temperature or a specific temperature to achieve the over current protection effect. At least one space is defined between the fusible link portion and the insulating substrate, such that a heat generated by the electrically energized the fusible link portion will not be dissipated through the heat conduction of the insulating substrate to achieve the circuit protection effect. | 10-21-2010 |
20100308953 | FUSE LAYOUT STRUCTURE OF SEMICONDUCTOR DEVICE - A fuse layout structure of a semiconductor device includes a plurality of fuses in a fuse open area, wherein three neighboring fuses of the plurality of fuses form a fuse unit, and at least one of the fuses partially overlaps at least one of the other fuses of the same fuse unit in the fuse open area. | 12-09-2010 |
20110057761 | PROTECTIVE DEVICE - A protective device including a substrate, a conductive section and a bridge element is provided. The conductive section is supported by the substrate, wherein the conductive section comprises a metal element electrically connected between first and second electrodes. The metal element serves as a sacrificial structure having a melting point lower than that of the first and second electrodes. The bridge element spans across the metal element in a direction across direction of current flow in the metal element, wherein the bridge element facilitates breaking of the metal element upon melting. | 03-10-2011 |
20110279219 | FLEX-RIGID WIRING BOARD AND METHOD FOR MANUFACTURING THE SAME - A protection element is provided which is capable of stably retaining a flux on a soluble conductor at a predetermined position and is capable of checking a retention state of the flux, enabling a speedy blowout of the soluble conductor in the event of an abnormality. This protection element includes: a soluble conductor | 11-17-2011 |
20120001720 | PROTECTIVE DEVICE - A protective device is provided that allows a fusible conductor to be fused off quickly in stability at the time of protective operation against over-current or the like. The protective device includes a fusible conductor | 01-05-2012 |
20120013431 | FUSE ELEMENT - A fuse element ( | 01-19-2012 |
20120112871 | PROTECTIVE DEVICE - A protective device includes a substrate, two first electrodes, a low-melting point metal layer and an assisting layer. The first electrodes are respectively arranged at two opposite sides of the substrate. The low melting point metal layer is arranged over the two first electrodes. The assisting layer is formed on the low melting point metal layer. The liquidus temperature of the assisting layer is below the liquidus temperature of the low melting point metal layer, and the liquidus temperature of the assisting layer is not below a predetermined temperature which is below the maximum working temperature of reflow soldering process by 25 degrees. | 05-10-2012 |
20120299692 | FUSE PROVIDING OVERCURRENT AND THERMAL PROTECTION - A fuse in one embodiment includes first and second leads. A fuse element provides electrical communication between the first and second leads. The fuse element includes a material with a melting point of less than 250.degree. C. and acts as both an overcurrent fuse and a thermal fuse by melting when subjected to a predetermined current or upon reaching a predetermined temperature. A body houses the fuse element and portions of the first and second leads | 11-29-2012 |
20130021131 | CIRCUIT BOARD HAVING ARC TRACKING PROTECTION - A printed circuit board to which corresponding wiring connectors such as power wiring connectors, may be connected to couple electrical components and a power supply to the printed circuit board and a control housing, which may be used for operably storing such a printed circuit board. | 01-24-2013 |
20130043972 | ELECTRICAL FUSE STRUCTURE - An electrical fuse structure includes a top conductive pattern having a top fuse and a top fuse extension portion, a bottom conductive pattern having a bottom fuse and a bottom fuse extension portion corresponding to the top fuse extension portion, and a via conductive layer positioned between the top fuse extension portion and the bottom fuse extension portion for electrically connecting the top fuse extension portion and the bottom fuse extension portion. | 02-21-2013 |
20130127584 | Redundant Via Structure For Metal Fuse Applications - A metal fuse structure using redundant vias. The redundant vias are formed on one metal level in a stacked via metal fuse structure to force failures to occur in the metal level that does not have the redundant vias. The metal fuse structure includes: a first dielectric layer having a metal feature; a second dielectric layer having a first metal connector embedded therein; and a third dielectric layer having a second metal connector embedded therein. The metal connectors include at least one via and one line, and at least one metal connector has at least two vias. | 05-23-2013 |
20130314201 | OVER-CURRENT PROTECTION FUSES - A method of forming a fusible link on a printed circuit board. The method comprises integrally forming a first end pad, a second end pad, and a fusible link between the first and the second end pads on the printed circuit board; wherein the cross-sectional area of the fusible link is smaller than that of the first and second end pads. | 11-28-2013 |
20130321119 | PROTECTIVE DEVICE - A protective device including a substrate, a conductive section and a bridge element is provided. The conductive section is supported by the substrate, wherein the conductive section comprises a metal element electrically connected between first and second electrodes. The metal element serves as a sacrificial structure having a melting point lower than that of the first and second electrodes. The bridge element spans across the metal element in a direction across direction of current flow in the metal element, wherein the bridge element facilitates breaking of the metal element upon melting. | 12-05-2013 |
20140022047 | ELECTRIC POWER FUSE - This electric power fuse has a fuse element that is formed continuously and integrally by a plurality of heat dissipating parts formed from a conductive film by the conductive film being formed on a ceramic substrate and a plurality of isolating parts. The conductive film is constituted of printed layers formed by printing one or more times on the surface of the ceramic substrate, and the number of laminations of printed layers formed in the heat dissipating parts is greater than or equal to the number of laminations of the printed layers constituting the isolating parts. | 01-23-2014 |
20140266565 | LAMINATED ELECTRICAL FUSE - A compact, high breaking capacity fuse that includes a top insulative layer, at least one intermediate insulative layer, and a bottom insulative layer arranged in a vertically stacked configuration. The at least one intermediate layer may have a hole formed therethrough that defines an air gap within the fuse. A first conductive terminal may be formed on a first end of the fuse and a second conductive terminal may be formed on a second end of the fuse. At least one fusible element may connect the first terminal to the second terminal, thus providing an electrically conductive pathway therebetween. A portion of the at least one fusible element may pass through the air gap defined by the hole in the at least one intermediate insulative layer. | 09-18-2014 |
20150054615 | LOW-CURRENT FUSE STAMPING METHOD - A convenient, cost-effective method for manufacturing low-current fuse elements. The method may include the steps of stamping a substrate out of a sheet of material and stamping at least one hole in the substrate. The method may further include the steps of bonding a layer of fuse material to a surface of the substrate with a portion of the fuse material covering the hole, stamping a fuse element out of the portion of fuse material covering the hole, and separating an individual fuse from the fuse material and the substrate. A low-current fuse can thereby be obtained using an easily performed stamping process. | 02-26-2015 |
20160005561 | LAMINATED ELECTRICAL FUSE - A fuse may include a layer stack comprising a plurality of layers defining an air gap, the layer stack including an inner layer. The inner layer may include an insulative substrate, and at least one fusible element connecting to a first terminal on a first end of the fuse and to a second terminal on a second end of the fuse. A first portion of the at least one fusible element may be disposed on a first planar surface of the insulative substrate and a second portion of the at least one fusible element disposed on a second planar surface of the insulative substrate opposite the first planar surface, wherein the first portion is electrically connected to the second portion through at least one via within the insulative substrate. | 01-07-2016 |