Patent application number | Description | Published |
20100150549 | Test interface device, test system and optical interface memory device - A test interface device includes a serializer, an optical transmitter, an optical receiver, and a deserializer. The serializer receives parallel test signals from automatic test equipment, and serializes the parallel test signals into a serial test signal. The optical transmitter converts the serial test signal into an optical test signal. The optical receiver receives the optical test signal from the optical transmitter, and converts the optical test signal into the serial test signal. The deserializer deserializes the serial test signal into the parallel test signals, and transmits the parallel test signals to a device under test. As a result, signal transfer speed may be improved and optical resource usage may be reduced. | 06-17-2010 |
20100182035 | SEMICONDUCTOR DEVICE TEST APPARATUS INCLUDING INTERFACE UNIT AND METHOD OF TESTING SEMICONDUCTOR DEVICE USING THE SAME - A semiconductor device test apparatus is provided. The semiconductor device test apparatus includes a test unit on which a semiconductor device under test is disposed, and an automatic test equipment (ATE) unit that inputs a test signal to the test unit and reads a test result signal output by the test unit. The semiconductor device test apparatus includes an interface unit that is interposed between the test unit and the ATE unit, and that compares the test signal with the test result signal and outputs to the ATE unit comparison signals indicating whether the semiconductor device is a failure or not or whether a specific bit failure has occurred or not. | 07-22-2010 |
20100289517 | BUILT OFF TESTING APPARATUS - A built off testing apparatus coupled between a semiconductor device and an external testing apparatus to test a semiconductor device. The built off testing apparatus can include a frequency multiplying unit to generate a test clock frequency by multiplying the frequency of a clock input by the external testing apparatus according to the operation speed of the semiconductor device, an instruction decoding unit to generate test information by decoding test signals input by the external testing apparatus according to the test clock frequency, and a test execution unit to test the semiconductor device according to the test information, and can determine whether the semiconductor device is failed or not based on test data output by the semiconductor device, and can transmit resulting data to the external testing apparatus. | 11-18-2010 |
20120229159 | TEST INTERFACE BOARD AND TEST SYSTEM INCLUDING THE SAME - A test interface board includes a wiring group, a plurality of contact portions, and a control device. The wiring group includes a main wire operatively coupled to a channel of a tester, and a plurality of sub-wires operatively coupled to the main wire. The plurality of contact portions are operatively coupled to the plurality of sub-wires, and contact first electrodes of a plurality of semiconductor devices. The control device includes a plurality of switching devices operatively coupled to the plurality of sub-wires, a memory configured to store an identification number, and a controller configured to open and close the plurality of switching devices in response to a control signal corresponding to the identification number from among a plurality of control signals. | 09-13-2012 |
20140139258 | BUILT OFF TESTING APPARATUS - A built off testing apparatus coupled between a semiconductor device and an external testing apparatus to test a semiconductor device. The built off testing apparatus can include a frequency multiplying unit to generate a test clock frequency by multiplying the frequency of a clock input by the external testing apparatus according to the operation speed of the semiconductor device, an instruction decoding unit to generate test information by decoding test signals input by the external testing apparatus according to the test clock frequency, and a test execution unit to test the semiconductor device according to the test information, and can determine whether the semiconductor device is failed or not based on test data output by the semiconductor device, and can transmit resulting data to the external testing apparatus. | 05-22-2014 |
Patent application number | Description | Published |
20090311817 | VERTICAL NITRIDE SEMICONDUCTOR LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - A vertical nitride-based semiconductor LED comprises a structure support layer; a p-electrode formed on the structure support layer; a p-type nitride semiconductor layer formed on the p-electrode; an active layer formed on the p-type nitride semiconductor layer; an n-type nitride semiconductor layer formed on the active layer; an n-electrode formed on a portion of the n-type nitride semiconductor layer; and a buffer layer formed on a region of the n-type nitride semiconductor layer on which the n-electrode is not formed, the buffer layer having irregularities formed thereon. The surface of the n-type nitride semiconductor layer coming in contact with the n-electrode is flat. | 12-17-2009 |
20110033965 | VERTICAL NITRIDE SEMICONDUCTOR LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - A vertical nitride-based semiconductor LED comprises a structure support layer; a p-electrode formed on the structure support layer; a p-type nitride semiconductor layer formed on the p-electrode; an active layer formed on the p-type nitride semiconductor layer; an n-type nitride semiconductor layer formed on the active layer; an n-electrode formed on a portion of the n-type nitride semiconductor layer; and a buffer layer formed on a region of the n-type nitride semiconductor layer on which the n-electrode is not formed, the buffer layer having irregularities formed thereon. The surface of the n-type nitride semiconductor layer coming in contact with the n-electrode is flat. | 02-10-2011 |
20110053298 | VERTICAL NITRIDE SEMICONDUCTOR LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - A vertical nitride-based semiconductor LED comprises a structure support layer; a p-electrode formed on the structure support layer; a p-type nitride semiconductor layer formed on the p-electrode; an active layer formed on the p-type nitride semiconductor layer; an n-type nitride semiconductor layer formed on the active layer; an n-electrode formed on a portion of the n-type nitride semiconductor layer; and a buffer layer formed on a region of the n-type nitride semiconductor layer on which the n-electrode is not formed, the buffer layer having irregularities formed thereon. The surface of the n-type nitride semiconductor layer coming in contact with the n-electrode is flat. | 03-03-2011 |
20140197374 | METHOD FOR MANUFACTURING A NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE MANUFACTURED THEREBY - There is provided a method of manufacturing a nitride semiconductor light emitting device, the method including: forming a light emitting structure on a substrate, the light emitting structure including first and second conductivity-type nitride semiconductor layers with an active layer interposed therebetween; forming a first conductivity-type nitride semiconductor layer, an active layer and a second conductivity-type nitride semiconductor layer sequentially stacked on a substrate; forming a first electrode to be connected to the first conductivity-type nitride semiconductor layer; forming a photoresist film on the second conductivity-type nitride semiconductor layer to expose a portion of the second conductivity-type nitride semiconductor layer; and forming a reflective metal layer and a barrier metal layer as a second electrode consecutively on the portion of the second conductivity-type nitride semiconductor layer exposed by the photoresist film and removing the photoresist film. | 07-17-2014 |
Patent application number | Description | Published |
20110123256 | STRAIN RELIEF APPARATUS FOR PROBE AND METHOD OF MANUFACTURING THE SAME - A strain relief apparatus of a probe and a method of manufacturing the same are disclosed. The strain relief apparatus includes an insert part mounted on a probe switch box and having an insertion recess at an inner side thereof, a ferrite core mounted on the insertion recess, and a rubber part provided to the insert part by injection molding. The strain relief apparatus protects a cable of an ultrasonic diagnostic apparatus from impact exerted on the cable and suppresses influence on a contact point between a probe switch box and the cable by bending of the cable, thereby preventing damage of the cable. | 05-26-2011 |
20130320666 | LOCKING DEVICE FOR PIPE MEMBER - A locking device for a pipe member includes a pipe member, a moving member, a locking member. At least a portion of the moving member is slidably disposed into the pipe member. The locking member is coupled to an end portion of the moving member. The locking member is made of an elastically deformable material and has an outer circumferential surface supported by an inner surface of the pipe member. When external force is transmitted to the locking member, the locking member is elastically deformed and is decreased in diameter. Accordingly, the moving member may be easily moved. | 12-05-2013 |
20150045672 | ULTRASONIC DIAGNOSTIC APPARATUS - Disclosed is an ultrasonic diagnostic apparatus including a main body, at least one input/output unit coupled to one side of the main body to input data to the main body or to output data transmitted from the main body, and a connection unit to connect the input/output unit and the main body to each other. The connection unit includes plural first connection members, each of which is connected at one end thereof to the main body and at the other end thereof to at least a portion of the input/output unit and has a variable length to move the input/output unit relative to the main body, and at least one second connection member coupled to the first connection members and at least one of the main body or the input/output unit so as to come into contact with the same at a point to support load of the input/output unit. | 02-12-2015 |
20150105661 | CONTROL PANEL FOR ULTRASONIC DIAGNOSTIC APPARATAUS - Disclosed herein is a control panel for an ultrasonic diagnostic apparatus. The control panel includes a first housing, a second housing disposed under the first housing, plural bearing balls provided between the first housing and the second housing and configured to support the first housing so that the first housing is spaced apart from the second housing, and a brake unit configured to prevent movement of the first housing by restricting rotation of the bearing balls or to allow movement of the first housing by releasing restriction of rotation of the bearing balls. | 04-16-2015 |
20160066884 | ULTRASONIC DIAGNOSTIC APPARATUS AND CONTROL METHOD THEREOF - Disclosed herein are an ultrasonic diagnostic apparatus having a movement unit movably connected to a body, and a control method thereof. The ultrasonic diagnostic apparatus includes a body, a movement unit movably connected at the body, at least one connecting unit having a first end unit rotatably coupled to the body and a second end unit rotatably coupled to the movement unit, and at least one rail installed at least at the one of the body or the movement unit such that at least the one of the first end unit or the second end unit may be slidingly moved. The movement unit may be conveniently moved to a desired position by a user. | 03-10-2016 |
Patent application number | Description | Published |
20110242267 | APPARATUS AND METHOD FOR REMOTE CONTROL BETWEEN MOBILE COMMUNICATION TERMINALS - An apparatus and method in a mobile terminal support remote control with other mobile terminals. A video call is connected between the mobile terminal with a corresponding terminal. A remote control request message is transmitted through a control channel to the corresponding terminal. A remote control acceptance message is received through the control channel from the corresponding terminal. And a control message including control data that corresponds to a user input is transmitted through the control channel to the corresponding terminal. | 10-06-2011 |
20110320571 | APPARATUS AND METHOD FOR LIVE STREAMING BETWEEN MOBILE COMMUNICATION TERMINALS - An apparatus and method support live streaming between mobile communication terminals. A server Mobile Station (MS) Transport Stream (TS)—multiplexes audio/video data, generates TS data, and transmits the generated TS data in a live streaming scheme to a client MS through an accessed IP based packet service network. A client MS receives the TS data generated by the server MS in the live streaming scheme through the accessed IP based packet service network, TS-demultiplexes the received TS data, and restores the original audio/video data. | 12-29-2011 |
20120171950 | METHOD AND SYSTEM FOR PROVIDING PERSONAL BROADCASTING SERVICE - Provided is a method for providing a personal broadcasting service. The method includes receiving a request for a broadcast theme or content from a broadcast receiving terminal, searching for broadcast providing terminals configured to provide a personal broadcast associated with the broadcast theme or content, selecting one of the searched broadcast providing terminals, and providing, when a personal broadcast registration request is received from the selected broadcast providing terminal, information associated with the requested personal broadcast to the broadcast receiving terminal. | 07-05-2012 |
20130009867 | METHOD AND APPARATUS FOR DISPLAYING VIEW MODE USING FACE RECOGNITION - A method for displaying screen data according to determination of a view mode in a portable terminal, and an apparatus thereof, are provided. The method includes detecting an orientation change event of the portable terminal in a displayed state of the screen data, turning-on a camera module when the orientation change event is detected, determining an orientation of eyes of a user through face detection from an image captured by the camera module, determining a view mode of the portable terminal according to an orientation of the portable terminal and the orientation of the eyes of the user, and displaying screen data according to the determined view mode. | 01-10-2013 |
20140347282 | METHOD AND APPARATUS FOR DISPLAYING VIEW MODE USING FACE RECOGNITION - A method for displaying screen data according to determination of a view mode in a portable terminal, and an apparatus thereof, are provided. The method includes detecting an orientation change event of the portable terminal in a displayed state of the screen data, turning-on a camera module when the orientation change event is detected, determining an orientation of eyes of a user through face detection from an image captured by the camera module, determining a view mode of the portable terminal according to an orientation of the portable terminal and the orientation of the eyes of the user, and displaying screen data according to the determined view mode. | 11-27-2014 |
Patent application number | Description | Published |
20140104417 | SYSTEM OF MEASURING WARPAGE AND METHOD OF MEASURING WARPAGE - Disclosed herein are a system of measuring a warpage and a method of measuring a warpage. The system of measuring a warpage of a sample by analyzing an image photographed by the camera using light that is diffused from a light source and reflected on a surface of a sample and is arrived at the camera through a reference grating part, the system includes: an intake part that removes a fume generated from the sample. By this configuration, it is possible to measure the warpage while effectively removing the fume generated from the sample according to the increase in the temperature of the sample at the time of measuring the warpage, thereby improving the accuracy of the warpage measurement. | 04-17-2014 |
20140145323 | LAMINATION LAYER TYPE SEMICONDUCTOR PACKAGE - Disclosed herein is a lamination layer type semiconductor package, and more particularly, a lamination layer type semiconductor package capable of maintaining a thickness of a package on package structure at a minimum and minimizing a warpage defect by mounting two chips so as to correspond to each other. The lamination layer type semiconductor package includes: an upper package having an upper flip chip mounted on an upper substrate; a lower package having a lower flip chip mounted on a lower substrate and disposed so as to closely adhere the upper flip chip and the lower flip chip to each other; a heat dissipation adhesive member adhesively fixing the upper flip chip and the lower flip chip and dissipating heat generated from the upper flip chip and the lower flip chip; and a molding member molding between the upper substrate and the lower substrate. | 05-29-2014 |
20140184782 | SYSTEM OF MEASURING WARPAGE AND METHOD OF MEASURING WARPAGE - Disclosed herein are a system for measuring a warpage and a method for measuring a warpage. The system for measuring a warpage includes: a heating plate portion heating the sample; and a reference gating portion disposed between the sample and the camera so as to be spaced apart from the sample by a predetermined distance, wherein the reference grating portion includes a plurality of wires that are each spaced apart from each other by a predetermined interval, thereby accurately measuring the warpage without being affected by the fume generated from the sample. | 07-03-2014 |
20140354797 | CALIBRATION BLOCK FOR MEASURING WARPAGE, WARPAGE MEASURING APPARATUS USING THE SAME, AND METHOD THEREOF - Disclosed herein are a calibration block for measuring warpage, a warpage measuring apparatus using the same, and a method thereof. The calibration block includes a substrate having one planar surface; and a stepped part forming a step at the center of the other surface of the substrate. | 12-04-2014 |
20140374870 | IMAGE SENSOR MODULE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are an image sensor module and a method of manufacturing the same. The image sensor includes: a base substrate having an image sensor mounted groove including a first groove and a second groove having a stepped shape; and an image sensor mounted in a groove of the base substrate. | 12-25-2014 |
20150147849 | METHOD FOR MANUFACTURING SEMICONDUCTOR PACKAGE - Disclosed herein is a method for manufacturing a semiconductor package. According to a preferred embodiment of the present invention, a method for manufacturing a semiconductor package includes: preparing a rectangular frame having a plurality of quadrangular holes; attaching a plurality of semiconductor chips and the frame on one surface of a tape; forming a molding part on the tape to cover the semiconductor chip and the frame; peeling the tape; forming a resin layer at a portion at which the tape is peeled; and forming a wiring on the resin layer to be connected to the semiconductor chip. | 05-28-2015 |
20150380276 | METHOD FOR MANUFACTURING SEMICONDUCTOR PACKAGE - Disclosed herein is a method for manufacturing a semiconductor package. According to a preferred embodiment of the present invention, a method for manufacturing a semiconductor package includes: preparing a rectangular frame having a plurality of quadrangular holes; attaching a plurality of semiconductor chips and the frame on one surface of a tape; forming a molding part on the tape to cover the semiconductor chip and the frame; peeling the tape; forming a resin layer at a portion at which the tape is peeled; and forming a wiring on the resin layer to be connected to the semiconductor chip. | 12-31-2015 |
Patent application number | Description | Published |
20090297931 | JELLY-ROLL TYPE ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME - An electrode assembly including a first electrode strip having a first electrode collector coated with at least a first electrode active material, an exposed portion of the first electrode collector attached with a first electrode tab; a second electrode strip having a second electrode collector coated with at least a second electrode active material and is rolled together with the first electrode strip, an exposed portion of the second electrode collector is attached with a second electrode tab; and at least one inter-electrode strip separator is positioned between the first and second electrode strips, wherein at least one sheet of protective separator, which is extended from the inter-electrode strip separator, is further positioned on a side of the first electrode strip attached with the first electrode tab. | 12-03-2009 |
20100000078 | JELLY-ROLL TYPE ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME - An electrode assembly including a first electrode strip having a first electrode collector coated with at least a first electrode active material, an exposed portion of the first electrode collector attached with a first electrode tab; a second electrode strip having a second electrode collector coated with at least a second electrode active material and is rolled together with the first electrode strip, an exposed portion of the second electrode collector is attached with a second electrode tab; and at least one inter-electrode strip separator is positioned between the first and second electrode strips, wherein at least one sheet of protective separator, which is extended from the inter-electrode strip separator, is further positioned on a side of the first electrode strip attached with the first electrode tab. | 01-07-2010 |
20100003583 | SECONDARY BATTERY HAVING ELECTROLYTE INJECTION HOLE AND METHOD OF FABRICATING THE SAME - A secondary battery including a cap assembly, the cap assembly including a cap plate having an electrolyte injection hole. The electrolyte injection hole includes a tapered portion having a roughened surface. The secondary battery further includes a sealing member located in the electrolyte injection hole, to seal the electrolyte injection hole. The sealing member includes a cap and a resin coated on the cap. | 01-07-2010 |
Patent application number | Description | Published |
20110199822 | METHOD AND APPARATUS FOR CONTROLLING PAGE BUFFER OF NON-VOLATILE MEMORY DEVICE - A method of managing a page buffer of a non-volatile memory device comprises programming least significant bit (LSB) page data from an LSB page buffer into a page of memory cells, and retaining the LSB page data in the LSB page buffer until most significant bit (MSB) page data corresponding to the LSB page data is programmed in the page. | 08-18-2011 |
20130173954 | METHOD OF MANAGING BAD STORAGE REGION OF MEMORY DEVICE AND STORAGE DEVICE USING THE METHOD - A method of managing a bad storage region of a memory device may include detecting a bad page of a selected data block that has failed in one of a program operation, a read operation, and an erase operation on the memory device; and performing a mapping process so that the detected bad page is excluded from a storage region to which data is to be programmed, wherein remaining pages of the selected data block excluding the bad page are allowed to be used as a storage region in a garbage collection operation. | 07-04-2013 |
20140223084 | MEMORY SYSTEM AND RELATED METHOD OF OPERATION - A method of operating a memory system comprises determining whether a write request from a host is a random write request, and as a consequence of determining that the write request is a random write request, programming a lower page of a selected word line of a nonvolatile memory device with restorable data of the nonvolatile memory device, and programming an upper page of the selected word line with write data corresponding to the write request after programming the lower page. | 08-07-2014 |
20150046636 | STORAGE DEVICE, COMPUTER SYSTEM AND METHODS OF OPERATING SAME - A method of operating a storage device which includes a non-volatile memory including a normal unit configured to store normal data and a swap unit configured to store swap data and a controller configured to control the non-volatile memory is provided. The method includes receiving the swap data and a unit selection signal for selecting the swap unit from a host; and processing the swap data according to a data processing policy of the swap unit and writing the processed swap data to the swap unit. The data processing policy of the swap unit may be different from a data processing policy of the normal unit. | 02-12-2015 |
20150046670 | STORAGE SYSTEM AND WRITING METHOD THEREOF - A writing method of a storage system which includes a host and a storage connected to the host, includes receiving journal data during a generation of a data writing transaction; inserting in a first map table, a plurality of entries, each entry including a first logical address of a first logical area of the storage and a second logical address of a second logical area of the storage; writing the journal data to a physical area of the storage corresponding to the first logical address; and remapping the physical area from the first logical address onto the second logical address using the plurality of entries when a size of a usable space of the first logical area is less than a desired value. | 02-12-2015 |
Patent application number | Description | Published |
20090276646 | METHOD AND APPARATUS FOR DATA TRANSMISSION IN WIRELESS LOCAL ACCESS NETWORK AND SYSTEM THEREFOR - An Apparatus, method, and system for transmitting data in a Wireless Local Access Network (WLAN) in a power management state are provided. The method includes registering a standby state entrance to an Access Point (AP), switching to an active state at a period, determining whether transmission standby data exists in the AP, transmitting, if the transmission standby data exist in the AP, a standby state entrance frame notifying the entrance to the standby state to the AP, transmitting an active request signal requesting a switching to an active state to the CPU, transmitting a signal notifying standby state release to the AP if a signal notifying switch completion to an active state is received from the CPU after the active request signal is transmitted, and receiving transmission standby data from the AP. | 11-05-2009 |
20090312016 | ROAMING METHOD AND APPARATUS FOR TERMINALS IN WIRELESS LOCAL AREA NETWORK - A roaming method and a data transmission system for a portable terminal in a Wireless Local Area Network (WLAN) are provided. The method includes transitioning to an active mode, by a control unit in a standby mode in response to a request from a WLAN module during roaming from a first Access Point (AP) to a second AP, and performing authentication in conjunction with a server, by the control unit in the active mode. As a result, when a portable terminal roams in a WLAN, the network connection is not disrupted. | 12-17-2009 |
Patent application number | Description | Published |
20090251267 | Inductors and methods of operating inductors - An inductor may include a conductive line including a material in which an electrical resistance varies depending on an electric field applied to the material and/or first and second electrodes electrically connected to first and second end portions of the conductive line, respectively. A method of operating an inductor may include applying current to a conductive line of the inductor. The conductive line may include a material in which an electrical resistance may vary depending on an electric field applied to the material. The current may be applied to the conductive line via first and second electrodes electrically connected to first and second end portions of the conductive line, respectively. | 10-08-2009 |
20090294759 | Stack structure comprising epitaxial graphene, method of forming the stack structure, and electronic device comprising the stack structure - Provided are a stack structure including an epitaxial graphene, a method of forming the stack structure, and an electronic device including the stack structure. The stack structure includes: a Si substrate; an under layer formed on the Si substrate; and at least one epitaxial graphene layer formed on the under layer. | 12-03-2009 |
20110089403 | Electronic device using a two-dimensional sheet material, transparent display and methods of fabricating the same - An electronic device, a transparent display and methods for fabricating the same are provided, the electronic device including a first, a second and a third element each formed of a two-dimensional (2D) sheet material. The first, second, and third elements are stacked in a sequential order or in a reverse order. The second element is positioned between the first element and the third element. The second element has an insulator property, the first and third elements have a metal property or a semiconductor property. | 04-21-2011 |
20110089995 | Graphene device and method of manufacturing the same - Provided is a graphene device and a method of manufacturing the same. The graphene device may include an upper oxide layer on at least one embedded gate, and a graphene channel and a plurality of electrodes on the upper oxide layer. The at least one embedded gate may be formed on the substrate. The graphene channel may be formed on the plurality of electrodes, or the plurality of electrodes may be formed on the graphene channel. | 04-21-2011 |
20110092054 | Methods for fixing graphene defects using a laser beam and methods of manufacturing an electronic device - Methods of fixing graphene using a laser beam and methods of manufacturing an electronic device are provided, the method of fixing graphene includes fixing a defect of a graphene nanoribbon by irradiating the laser beam onto the graphene nanoribbon. | 04-21-2011 |
20110108521 | Methods of manufacturing and transferring larger-sized graphene - Example embodiments relate to methods of manufacturing and transferring a larger-sized graphene layer. A method of transferring a larger-sized graphene layer may include forming a graphene layer, a protection layer, and an adhesive layer on a substrate and removing the substrate. The graphene layer may be disposed on a transferring substrate by sliding the graphene layer onto the transferring substrate. | 05-12-2011 |
20110108609 | Methods of fabricating graphene using alloy catalyst - Methods of fabricating graphene using an alloy catalyst may include forming an alloy catalyst layer including nickel on a substrate and forming a graphene layer by supplying hydrocarbon gas onto the alloy catalyst layer. The alloy catalyst layer may include nickel and at least one selected from the group consisting of copper, platinum, iron and gold. When the graphene is fabricated, a catalyst metal that reduces solubility of carbon in Ni may be used together with Ni in the alloy catalyst layer. An amount of carbon that is dissolved may be adjusted and a uniform graphene monolayer may be fabricated. | 05-12-2011 |
20110149670 | Spin valve device including graphene, method of manufacturing the same, and magnetic device including the spin valve device - Provided are a spin valve device including graphene, a method of manufacturing the spin valve device, and a magnetic device including the spin valve device. The spin valve device may include at least one of a graphene sheet or a hexagonal boron nitride (h-BN) sheet between a lower magnetic layer and an upper magnetic layer. The graphene sheet may have a single layer structure or a multilayer structure. The spin valve device may further include a spacer between the lower magnetic layer and the graphene sheet. The spin valve device may further include a spacer between the graphene sheet and the upper magnetic layer. | 06-23-2011 |
20110210314 | Graphene electronic device and method of fabricating the same - A graphene electronic device may include a silicon substrate, connecting lines on the silicon substrate, a first electrode and a second electrode on the silicon substrate, and an interlayer dielectric on the silicon substrate. The interlayer dielectric may be configured to cover the connecting lines and the first and second electrodes and the interlayer dielectric may be further configured to expose at least a portion of the first and second electrodes. The graphene electronic device may further include an insulating layer on the interlayer dielectric and a graphene layer on the insulating layer, the graphene layer having a first end and a second end. The first end of the graphene layer may be connected to the first electrode and the second end of the graphene layer may be connected to the second electrode. | 09-01-2011 |
20110313194 | Graphene substituted with boron and nitrogen , method of fabricating the same, and transistor having the same - Graphene, a method of fabricating the same, and a transistor having the graphene are provided, the graphene includes a structure of carbon (C) atoms partially substituted with boron (B) atoms and nitrogen (N) atoms. The graphene has a band gap. The graphene substituted with boron and nitrogen may be used as a channel of a field effect transistor. The graphene may be formed by performing chemical vapor deposition (CVD) method using borazine or ammonia borane as a boron nitride (B—N) precursor. | 12-22-2011 |
20120075008 | GRAPHENE DEVICE AND METHOD OF MANUFACTURING THE SAME - The graphene device may include an upper oxide layer on at least one embedded gate, and a graphene channel and a plurality of electrodes on the upper oxide layer. The at least one embedded gate may be formed on the substrate. The graphene channel may be formed on the plurality of electrodes, or the plurality of electrodes may be formed on the graphene channel. | 03-29-2012 |
20120282489 | DIRECT GRAPHENE GROWING METHOD - A method of preparing crystalline graphene includes performing a first thermal treatment including supplying heat to an inorganic substrate in a reactor, introducing a vapor carbon supply source into the reactor during the first thermal treatment to form activated carbon, and binding of the activated carbon on the inorganic substrate to grow the crystalline graphene. | 11-08-2012 |
20130203222 | GRAPHENE ELECTRONIC DEVICE AND METHOD OF FABRICATING THE SAME - A graphene electronic device may include a silicon substrate, connecting lines on the silicon substrate, a first electrode and a second electrode on the silicon substrate, and an interlayer dielectric on the silicon substrate. The interlayer dielectric may be configured to cover the connecting lines and the first and second electrodes and the interlayer dielectric may be further configured to expose at least a portion of the first and second electrodes. The graphene electronic device may further include an insulating layer on the interlayer dielectric and a graphene layer on the insulating layer, the graphene layer having a first end and a second end. The first end of the graphene layer may be connected to the first electrode and the second end of the graphene layer may be connected to the second electrode. | 08-08-2013 |
20140131626 | GRAPHENE SUBSTITUTED WITH BORON AND NITROGEN, METHOD OF FABRICATING THE SAME, AND TRANSISTOR HAVING THE SAME - Graphene, a method of fabricating the same, and a transistor having the graphene are provided, the graphene includes a structure of carbon (C) atoms partially substituted with boron (B) atoms and nitrogen (N) atoms. The graphene has a band gap. The graphene substituted with boron and nitrogen may be used as a channel of a field effect transistor. The graphene may be formed by performing chemical vapor deposition (CVD) method using borazine or ammonia borane as a boron nitride (B-N) precursor. | 05-15-2014 |
20140141600 | METHODS OF PREPARING GRAPHENE AND DEVICE INCLUDING GRAPHENE - A method of preparing graphene includes forming a silicon carbide thin film on a substrate, forming a metal thin film on the silicon carbide thin film, and forming a metal composite layer and graphene on the substrate by heating the silicon carbide thin film and the metal thin film. | 05-22-2014 |