Resistance Value Varied By Removing Or Adding Material Patents (Class 338/195)
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Patent number: 12125616Abstract: A chip resistor includes a substrate, two top electrodes, a resistor element, two back electrodes, and two side electrodes. The substrate has a top surface, a back surface and two side surface. The top and back surfaces face away in the thickness direction of the substrate. The side surfaces, spaced apart in a predetermined direction orthogonal to the thickness direction, are connected to the top and back surfaces. The top electrodes, spaced apart in the predetermined direction, are in contact with the top surface. The resistor element, disposed on the top surface, is connected to the top electrodes. The back electrodes, spaced apart in the predetermined direction, are in contact with the back surface. The side electrodes, held in contact with the side surfaces, are connected to the top and back electrodes. Each back electrode has a first and a second layer. The first layer is in contact with the back surface.Type: GrantFiled: May 9, 2023Date of Patent: October 22, 2024Assignee: ROHM CO., LTD.Inventor: Takanori Shinoura
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Patent number: 12103086Abstract: The present disclosure relates to an earth-boring drill bit including a shank, an internal region formed from at least a first alloy using additive manufacturing and secured to the shank, and an exterior region formed from at least a second alloy using additive manufacturing and secured to the internal region using additive manufacturing. The first alloy and the second alloy have a different modulus of elasticity, yield strength, resilience, ductility, hardness, fracture toughness, wear resistance, corrosion resistance, or erosion resistance. The disclosure further includes a method of manufacturing such an earth-boring drill by depositing a plurality of layers according to a drill bit specification using additive manufacturing.Type: GrantFiled: August 8, 2019Date of Patent: October 1, 2024Assignee: Halliburton Energy Services, Inc.Inventor: Daniel Brendan Voglewede
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Patent number: 12080452Abstract: A shunt resistor having improved temperature characteristics has a resistive body, a pair of base materials integrally formed on the resistive body across the resistive body, and measurement terminals fixed onto the base materials. The base materials have a plurality of cutout portions along a longitudinal direction of the base materials, wherein the plurality of cutout portions do not communicate with each other and are provided in a stepped manner.Type: GrantFiled: April 27, 2022Date of Patent: September 3, 2024Assignee: SUNCALL CORPORATIONInventors: Yuu Moriyama, Kenji Murakami, Akio Mugishima
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Patent number: 12068092Abstract: A resistor structure includes a resistor body; and a first electrode structure disposed at and being in electric contact with a first end of the resistor body, and a second electrode structure disposed at and being in electric contact with a second end opposite to the first end of the resistor body. Each of the first electrode structure and the second electrode structure has at least one conductive protrusion. The at least one conductive protrusion of the first electrode structure and the at least one conductive protrusion of the second electrode structure both serve as voltage-sensing terminals for electric connection to an external voltage measurement device, or both serve as current-sensing terminals for electric connection to a current measurement device.Type: GrantFiled: April 8, 2022Date of Patent: August 20, 2024Assignee: CYNTEC CO., LTD.Inventors: Chih Yu Hu, Wen Hao Wu, Chun Cheng Yao
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Patent number: 12055580Abstract: A circuit board inspecting apparatus includes a rotary table having a mount surface, a rotary table support section, a suction device, a suction path having a first end connected to the suction device and a second end located at the mount surface, an adsorption mechanism that adsorbs the board onto the mount surface so that the suction device sucks in gas in the suction path, a flow rate detection section that detects a flow rate of gas flowing through a portion of the suction path, the portion located inside the rotary table support section, a flow rate determination section that determines whether the flow rate of the gas detected by the flow rate detection section is equal to or more than a predetermined value, a contactless detection section that detects a placement state of the board on the mount surface in a contactless manner, and an inspection section.Type: GrantFiled: March 25, 2021Date of Patent: August 6, 2024Assignee: NIDEC READ CORPORATIONInventors: Toshihide Matsukawa, Takashi Isa
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Patent number: 12050143Abstract: A circuit is provided that includes a strain gauge resistor having a center axis and multiple conductor layer segments and a trim region extending along the center axis; wherein a first portion of the strain gauge resistor is located on one side of the center axis and a second portion of the strain gauge resistor is located on an opposite side of the center axis.Type: GrantFiled: September 16, 2020Date of Patent: July 30, 2024Assignee: Intuitive Surgical Operations, Inc.Inventor: Ashwinram Suresh
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Patent number: 11967443Abstract: A chip resistor includes: an insulating substrate; a pair of front electrodes; a resistor connecting between both the front electrodes; an undercoat layer provided on the resistor; an overcoat layer provided on the undercoat layer, an auxiliary film provided so as to be over a connecting portion between the front electrode and the resistor at a position away from an end face of the insulating substrate; a pair of end face electrodes; and a pair of external plating layers covering the end face electrodes, the front electrodes, and the auxiliary film, wherein the auxiliary film is formed of a resin material containing metal particles, and a portion of the auxiliary film is sandwiched between the undercoat layer and the overcoat layer.Type: GrantFiled: October 4, 2022Date of Patent: April 23, 2024Assignee: KOA CORPORATIONInventor: Taro Kimura
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Patent number: 11958132Abstract: A method of processing a SiC ingot includes a resistance value measuring step of measuring an electric resistance value of an end face of the SiC ingot, a laser beam output adjusting step of adjusting the output of a laser beam according to the electric resistance value measured in the resistance value measuring step, and a peeling belt forming step in which, while a laser beam of such a wavelength as to be transmitted through the SiC ingot is being applied to the SiC ingot with a focal point of the laser beam positioned at a depth corresponding to the thickness of a wafer to be formed, the SiC ingot and the focal point are put into relative processing feeding in an X-axis direction to form a belt-shaped peeling belt in the inside of the SiC ingot.Type: GrantFiled: December 18, 2020Date of Patent: April 16, 2024Assignee: DISCO CORPORATIONInventor: Kazuya Hirata
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Patent number: 11961642Abstract: A shunt resistor module, which includes a shunt resistor having a resistor unit having a predetermined resistance, plate-shaped terminal units respectively configured to extend at both sides of the resistor unit, and a voltage measurement lead pin configured to protrude perpendicular to the terminal unit and having an end portion bent to be parallel to the terminal unit, and a PCB substrate having an assembly guide portion formed to be cut inward by a predetermined depth from an outermost side thereof. The voltage measurement lead pin is fit into the assembly guide portion so that the resistor unit and the terminal unit are placed on a front surface of the PCB substrate and the end portion of the voltage measurement lead pin is caught at a rear surface of the PCB substrate.Type: GrantFiled: August 10, 2020Date of Patent: April 16, 2024Assignee: LG Energy Solution, Ltd.Inventor: Dong-Wan Ko
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Patent number: 11864326Abstract: The present disclosure provides a substrate, a maintenance method thereof and a display device. The substrate includes a base substrate, the base substrate is provided with at least one conductive pattern, and at least one of the at least one conductive pattern is interrupted and divided into a first conductive sub-pattern and a second conductive sub-pattern. The maintenance method includes: coating a conductive material in an interruption region in such a manner as to cover both the first conductive sub-pattern and the second conductive sub-pattern; and coating an organic insulation material at a side of the conductive material away from the base substrate, and curing the organic insulation material to form an organic protection film covering the conductive material.Type: GrantFiled: May 19, 2021Date of Patent: January 2, 2024Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Hongda Liu, Zhijun Xu, Rui Chen, Yue Cao, Yajun Wang, Yong Xiong
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Patent number: 11830641Abstract: A chip resistor component, includes: a substrate having one surface, and one side surface and the other side surface facing each other in one direction; an terminal including an internal electrode disposed on the one surface, and an external electrode disposed on the one side surface to be connected to the internal electrode; a resistive layer disposed on the one surface, and including an outermost pattern connected to the internal electrode; and a protective layer disposed on the one surface to cover the resistive layer. The outermost pattern of the resistive layer has a first region in contact with the internal electrode and a second region extending, in the one direction, from the first region towards the other side surface. A ratio of a length of the second region in the one direction to a length of the chip resistor component in the one direction is 0.02 or more.Type: GrantFiled: December 8, 2021Date of Patent: November 28, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ah Ra Cho, Kwang Hyun Park
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Patent number: 11788706Abstract: A vehicle luminaire according to an exemplary embodiment includes: a socket; and a light-emitting module that is provided on one end side of the socket and includes at least one light-emitting element, a negative characteristic thermistor, and a positive characteristic thermistor. The light-emitting element, the negative characteristic thermistor, and the positive characteristic thermistor are connected in series.Type: GrantFiled: February 3, 2021Date of Patent: October 17, 2023Assignee: Toshiba Lighting & Technology CorporationInventor: Daisuke Kosugi
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Patent number: 11742116Abstract: The resistor 5 is a print-formed body including a meandering shaped first region 8 connected to the first front electrode 3 and a second region 9 connected to the first region 8 via a linking portion 10 and connected to the second front electrode 4. The first region 8 is provided with an I-cut shaped first trimming groove 11 and the second region 9 is provided with an L-cut shaped second trimming groove 12, and the side of the second region 9 positioned in the direction toward which a turn portion 12b of the second trimming groove 12 extends is an oblique side 9a that inclines to approach the second front electrode 4 as it approaches the connecting portion 7.Type: GrantFiled: May 11, 2022Date of Patent: August 29, 2023Assignee: KOA CORPORATIONInventors: Kazuhisa Ushiyama, Yuta Watanabe
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Patent number: 11693287Abstract: A chip on film for a display device, the chip on film includes: a base substrate; a lead wire disposed on the base substrate; and a driving chip connected to the lead wire, wherein the lead wire includes: a first lead part having a first thickness; and a second lead part disposed between the first lead part and the driving chip and having a second thickness greater than the first thickness, the second lead part being connected to the driving chip. The first lead part and the second lead part include a same material.Type: GrantFiled: March 11, 2021Date of Patent: July 4, 2023Assignee: Samsung Display Co., LTD.Inventors: Myong Soo Oh, Jun O Song, Seung Ho Choi
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Patent number: 11688532Abstract: A chip resistor includes a substrate, two top electrodes, a resistor element, two back electrodes, and two side electrodes. The substrate has a top surface, a back surface and two side surface. The top and back surfaces face away in the thickness direction of the substrate. The side surfaces, spaced apart in a predetermined direction orthogonal to the thickness direction, are connected to the top and back surfaces. The top electrodes, spaced apart in the predetermined direction, are in contact with the top surface. The resistor element, disposed on the top surface, is connected to the top electrodes. The back electrodes, spaced apart in the predetermined direction, are in contact with the back surface. The side electrodes, held in contact with the side surfaces, are connected to the top and back electrodes. Each back electrode has a first and a second layer. The first layer is in contact with the back surface.Type: GrantFiled: February 27, 2020Date of Patent: June 27, 2023Assignee: ROHM CO., LTD.Inventor: Takanori Shinoura
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Patent number: 11646136Abstract: A chip resistor includes an insulated substrate having a rectangular parallelepiped shape, a first front electrode and a second front electrode created on both longitudinal ends of the insulated substrate, and a resistive element making a connection between the first and second front electrodes. The resistive element is formed in a meandering shape with a first region and a second region continuing in series via a jointing section between a pair of connecting portions. Moreover, in the first region, a first trimming groove for rough adjustment is formed to elongate a current path of the resistive element. In the second region, a second trimming groove is formed for fine adjustment extending in a direction angled with respect to a straight line along a direction in which the first trimming groove extends.Type: GrantFiled: March 24, 2022Date of Patent: May 9, 2023Assignee: KOA CORPORATIONInventors: Homare Sasaki, Yasuhiro Kamijo
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Patent number: 11587865Abstract: A semiconductor device includes a capacitor and a resistor. The capacitor includes a first plate, a capacitor dielectric layer disposed over the first plate, and a second plate disposed over the capacitor dielectric layer. The resistor includes a thin film. The thin film of the resistor and the first plate of the capacitor, formed of a same conductive material, are defined in a single patterning process.Type: GrantFiled: June 15, 2020Date of Patent: February 21, 2023Assignee: SEMICONDUCTOR DEVICE INCLUDING CAPACITOR AND RESISTORInventor: Chi-Han Yang
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Patent number: 11555831Abstract: A plurality of resistors are disclosed herein. The resistor may include one or more resistive elements and a plurality of conductive portions. Openings or slots, which can be configured to adjust temperature coefficient or resistance (TCR) values of the resistor, are formed in the resistive elements. The shape, quantity, and orientation of the openings or slots can vary. In one aspect, header assemblies are provided for securing or holding pins relative to the resistors.Type: GrantFiled: May 11, 2021Date of Patent: January 17, 2023Assignee: VISHAY DALE ELECTRONICS, LLCInventors: Todd Wyatt, Tom Bertsch, Joshua Johnson, Aaron Krause, Sara Vo, Darin Glenn
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Patent number: 11532410Abstract: Provided is a thermistor which has a smaller change in resistance value between before and after a heat resistance test and from which a high B constant is obtained, a method for manufacturing the same, and a thermistor sensor. The thermistor is a thermistor formed on a substrate and includes: an intermediate stacked portion formed on the substrate; and a main metal nitride film layer formed of a thermistor material of a metal nitride on the intermediate stacked portion, wherein the intermediate stacked portion includes a base thermistor layer formed of a thermistor material of a metal nitride and an intermediate oxynitride layer formed on the base thermistor layer, the main metal nitride film layer is formed on the intermediate oxynitride layer, and the intermediate oxynitride layer is a metal oxynitride layer formed through oxidation of the thermistor material of the base thermistor layer immediately below the intermediate oxynitride layer.Type: GrantFiled: December 17, 2018Date of Patent: December 20, 2022Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Toshiaki Fujita, Shunpei Suzuki, Nagisa Sako, Norihisa Chitose, Noriaki Nagatomo
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Patent number: 11488750Abstract: A manufacturing method of shunt resistor according to the present invention includes a step of calculating a difference between an initial resistance value and a desired resistance value as a resistance value to be adjusted, a step of providing a plurality of recess forming members capable of forming recesses each having a characteristic size in the surface of a resistive alloy plate, a recess determining step of determining the size and the number of the recesses necessary to be formed at the surface of the resistive alloy plate, and a recess forming step of forming the recesses according to the size and the number determined in the recess determining step by using the corresponding recess forming members.Type: GrantFiled: October 30, 2020Date of Patent: November 1, 2022Assignee: Suncall CorporationInventors: Hiroya Kobayakawa, Kenji Murakami
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Patent number: 11400541Abstract: A method for producing a component from two plates, which are electrically isolating, at least one is optically transparent, and between them at least one planar conductor section and at least one isolator section are formed, comprises bonding the plates at mutually facing bonding faces, wherein a metal layer is arranged therebetween, and processing the metal layer by local heating using laser radiation such that the metal layer is converted into the at least one isolator section in a part region, and the at least one conductor section is formed adjacent thereto. To form the at least one isolator section, the light path of the laser radiation and the component are moved relative to each other to convert the metal layer into the at least one isolator section over a line or area. Bonding faces of metallic bond layers are polished. The plates are bonded by atomic diffusion bonding.Type: GrantFiled: February 8, 2021Date of Patent: August 2, 2022Assignee: ASML NETHERLANDS B.V.Inventors: Jan Ingwersen, David Kieven
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Patent number: 11315708Abstract: A chip resistor includes: an insulating substrate; a resistor portion disposed on one surface of the insulating substrate and including a plurality of resistor bodies spaced apart from each other and a plurality of internal electrodes connecting the plurality of resistor bodies to each other; and a first external electrode and a second external electrode disposed on the one surface of the insulating substrate to be spaced apart from each other and respectively connected to the resistor portion, wherein each of the plurality of resistor bodies has a first end adjacent to the first external electrode and a second end opposing the first end and adjacent to the second external electrode, and each of the first end and the second end of each of the plurality of resistor bodies is connected to one of the plurality of internal electrodes, the first external electrode, or the second external electrode.Type: GrantFiled: February 23, 2021Date of Patent: April 26, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kwang Hyun Park, Ah Ra Cho
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Patent number: 11170918Abstract: A chip resistor is capable of improving surge characteristic while finely adjusting a resistance value with high accuracy. A chip resistor includes a resistor which is print-formed such that a first meandering portion is consecutively connected to a second meandering portion across a rectangular adjustment portion. The adjustment portion is provided with a first trimming groove to lengthen a current path of the resistor, thereby improving the surge characteristic while coarsely adjusting a resistance value of the resistor to bring it close to a target resistance value. Furthermore, a second trimming groove is provided in an area of the second meandering portion where a current distribution is small, thereby finely adjusting the resistance value of the resistor to make it coincide with the target resistance value in accordance with a cutting amount of the second trimming groove.Type: GrantFiled: April 8, 2019Date of Patent: November 9, 2021Assignee: KOA CORPORATIONInventors: Kazuhisa Ushiyama, Natsuki Iguchi, Yasuhiro Kamijo, Hisakazu Nagata
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Patent number: 11164688Abstract: An object is to provide a chip resistor in which hot spots can be dispersed and the adverse effects on performance caused by microcracks can also be reduced. A chip resistor includes an insulating substrate, a resistive element, and electrodes. In the resistive element, a first trimming groove and a second trimming groove are formed. A first vertical groove of the first trimming groove and a second vertical groove of the second trimming groove are formed with a spacing in between in an X1-X2 direction. A first horizontal groove of the first trimming groove and a second horizontal groove of the second trimming groove extend in directions approaching each other, and terminal ends of the first horizontal groove and the second horizontal groove are formed to be separated in the X1-X2 direction such that the first horizontal groove and the second horizontal groove do not overlap in a Y1-Y2 direction.Type: GrantFiled: March 19, 2019Date of Patent: November 2, 2021Assignee: KOA CORPORATIONInventors: Natsuki Iguchi, Kazuhisa Ushiyama, Yasuhiro Kamijo
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Patent number: 10923253Abstract: A resistor component includes a support substrate, a resistive layer disposed on one surface of the support substrate, and a plurality of slits disposed in the resistive layer, each extending from one end or another end of the resistive layer opposing each other in a first direction, and spaced apart from each other in a second direction traversing the first direction. First and second internal electrodes are disposed on the support substrate and are respectively disposed on one end and another end of the resistive layer opposing each other in the second direction to be spaced apart from each other. A first protective layer is disposed on the resistive layer. The plurality of slits include a primary slit covered by the first protective layer, and a secondary slit extending in the first protective layer.Type: GrantFiled: May 8, 2020Date of Patent: February 16, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Gwang Hyeon Park, Ji Sook Yoon, Ah Ra Cho
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Patent number: 10867109Abstract: An electromigration (EM) sign-off methodology that analyzes an integrated circuit design layout to identify heat sensitive structures, self-heating effects, heat generating structures, and heat dissipating structures. The EM sign-off methodology includes adjustments of an evaluation temperature for a heat sensitive structure by calculating the effects of self-heating within the temperature sensitive structure as well as additional heating and/or cooling as a function of thermal coupling to surrounding heat generating structures and/or heat sink elements located within a defined thermal coupling range.Type: GrantFiled: May 29, 2019Date of Patent: December 15, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Hsien Yu Tseng, Chun-Wei Chang, Szu-Lin Liu, Amit Kundu, Sheng-Feng Liu
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Patent number: 10832837Abstract: A chip resistor includes an upper electrode provided on a substrate, a resistor element connected to the upper electrode, and a side electrode connected to the upper electrode. The side electrode, arranged on a side surface of the substrate, has two portions overlapping with the obverse surface and reverse surface of the substrate, respectively. An intermediate electrode covers the side electrode, and an external electrode covers the intermediate electrode. A first protective layer is disposed between the upper electrode and the intermediate electrode, and held in contact with the upper electrode and the side electrode. The first protective layer is more resistant to sulfurization than the upper electrode. A second protective layer is disposed between the first protective layer and intermediate electrode, and held in contact with the first protective layer, side electrode and intermediate electrode.Type: GrantFiled: September 13, 2019Date of Patent: November 10, 2020Assignee: ROHM CO., LTD.Inventors: Takanori Shinoura, Wataru Imahashi
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Patent number: 10811174Abstract: One aspect of the present disclosure provides a chip resistor. In the chip resistor, a top electrode is disposed on a front surface of a substrate. A resistor is disposed on the front surface and electrically connected to the top electrode. A protective layer covers the resistor. A protective electrode is electrically connected to the top electrode. A side electrode is electrically connected to the top electrode. The side electrode has a side portion disposed on the side surface, and a top portion and a bottom portion respectively overlapping the front surface and the back surface in plan view. An intermediate electrode covers the protective electrode and the side electrode. An outer electrode covers the intermediate electrode. The protective electrode is in contact with both the top electrode and the protective layer and covers a portion of the top electrode and a portion of the protective layer.Type: GrantFiled: November 30, 2017Date of Patent: October 20, 2020Assignee: ROHM CO., LTD.Inventors: Wataru Imahashi, Takanori Shinoura
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Patent number: 10535651Abstract: An impedance circuit includes a first poly-resistor and a second poly-resistor. The first poly-resistor has a first terminal coupled to a first node, and a second terminal coupled to a second node. The second poly-resistor has a first terminal coupled to the first node, and a second terminal coupled to the second node. The resistance between the first terminal and the second terminal of the first poly-resistor is determined according to a first control voltage. The resistance between the first terminal and the second terminal of the second poly-resistor is determined according to a second control voltage. The first control voltage and the second control voltage are determined according to a first voltage at the first node and a second voltage at the second node.Type: GrantFiled: April 16, 2018Date of Patent: January 14, 2020Assignee: MEDIATEK INC.Inventors: Sung-Han Wen, Kuan-Ta Chen
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Patent number: 10453593Abstract: A chip resistor includes an upper electrode provided on a substrate, a resistor element connected to the upper electrode, and a side electrode connected to the upper electrode. The side electrode, arranged on a side surface of the substrate, has two portions overlapping with the obverse surface and reverse surface of the substrate, respectively. An intermediate electrode covers the side electrode, and an external electrode covers the intermediate electrode. A first protective layer is disposed between the upper electrode and the intermediate electrode, and held in contact with the upper electrode and the side electrode. The first protective layer is more resistant to sulfurization than the upper electrode. A second protective layer is disposed between the first protective layer and intermediate electrode, and held in contact with the first protective layer, side electrode and intermediate electrode.Type: GrantFiled: May 11, 2018Date of Patent: October 22, 2019Assignee: ROHM CO., LTD.Inventors: Takanori Shinoura, Wataru Imahashi
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Patent number: 10366813Abstract: Shown herein is a method of forming an electrical resistor comprising the steps of: forming an electrically resistive layer on a substrate; measuring an electrical resistance-related parameter of the electrically resistive layer and determining a target length of the electrically resistive layer corresponding to a target electrical resistance; and forming first and second electrically conductive terminals contacting the electrically resistive layer, said first and second electrically conductive terminals being separated by a distance corresponding to the target length.Type: GrantFiled: August 28, 2018Date of Patent: July 30, 2019Assignee: Hochschule für angewandte Wissenschaften MünchenInventor: Ulrich Moosheimer
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Patent number: 10288670Abstract: The invention relates to a diagnosis apparatus for detecting a defect of at least one of a plurality of light emitting diodes which are interconnected to form a light emitting diode series connecting a first supply terminal to a second supply terminal. The defect is intended to be detected with little wiring outlay. The invention provides that a resistance element is connected in parallel with each light emitting diode and a measuring device is configured to generate a diagnosis current between the two supply terminals in a luminous pause, during which none of the light emitting diodes emit light, said diagnosis current giving rise, at each resistance element, to a voltage lower than a forward voltage, starting from which the light emitting diode respectively connected in parallel emits light, and to provide a voltage value of a diagnosis voltage dropped between the supply terminals.Type: GrantFiled: October 14, 2016Date of Patent: May 14, 2019Assignee: Continental Automotive GmbHInventors: Wolfgang Koellner, Maximilian Austerer, Philipp Brejcha
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Patent number: 10247620Abstract: A wiring board includes an insulating substrate composed of a stack of a plurality of insulating layers, the insulating substrate having an upper face, a lower face, and side faces; and a plurality of line conductors formed of platinum or a metallic material comprising platinum as a main component, the plurality of line conductors each including a first end and a second end located on a side opposite to the first end, the plurality of line conductors being respectively disposed in interlayers between the plurality of insulating layers, in the line conductors, a line width of a line conductor located in an interlayer among the interlayers which interlayer is closest to the upper face or the lower face of the insulating substrate being greater than a line width of a line conductor located in each of the other interlayers.Type: GrantFiled: April 20, 2015Date of Patent: April 2, 2019Assignee: KYOCERA CORPORATIONInventors: Hiroshi Matsumoto, Kengo Morioka, Takahito Hirata
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Patent number: 10242776Abstract: The chip resistor includes insulating substrate 10, first and second top electrodes (11x, 11b) on the top surface of the insulating substrate each on either longitudinal end thereof, and resistive element 12 electrically in contact with the top electrodes, wherein each of the top electrodes has, on its inner side facing to the other, cutout part 11a and protruding part 11b, with the cutout part in the first top electrode extending from at least one longitudinal side of the insulating substrate, transversely inwards thereof, and with the cutout part in the second top electrode arranged substantially point-symmetrically to the cutout part in the first top electrode with respect to the center of the insulating substrate, wherein the resistive element has contacting regions 12b, and non-contacting regions 12c, and trimming slot (53a, 53b) including a linear part.Type: GrantFiled: April 22, 2016Date of Patent: March 26, 2019Assignee: Kamaya Electric Co., Ltd.Inventors: Tomiharu Morita, Yuusuke Nojiri
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Patent number: 10224391Abstract: A compact and refined chip resistor, with which a plurality of types of required resistance values can be accommodated readily with the same design structure, was desired. The chip resistor is arranged to have a resistor network on a substrate. The resistor network includes a plurality of resistor bodies arrayed in a matrix and having an equal resistance value. A plurality of types of resistance units are respectively arranged by one or a plurality of the resistor bodies being connected electrically. The plurality of types of resistance units are connected in a predetermined mode using connection conductor films and fuse films. By selectively fusing a fuse film, a resistance unit can be electrically incorporated into the resistor network or electrically separated from the resistor network to make the resistance value of the resistor network the required resistance value.Type: GrantFiled: July 12, 2017Date of Patent: March 5, 2019Assignee: ROHM CO., LTD.Inventors: Hiroshi Tamagawa, Yasuhiro Kondo, Yasuhiro Fuwa, Hiroyuki Okada, Eiji Nukaga, Katsuya Matsuura
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Patent number: 10217550Abstract: A current sense resistor and a method of manufacturing a current sensing resistor with temperature coefficient of resistance (TCR) compensation are disclosed. The resistor has a resistive strip disposed between two conductive strips. A pair of main terminals and a pair of voltage sense terminals are formed in the conductive strips. A pair of rough TCR calibration slots is located between the main terminals and the voltage sense terminals, each of the rough TCR calibration slots have a depth selected to obtain a negative starting TCR value observed at the voltage sense terminals. A fine TCR calibration slot is formed between the pair of voltage sense terminals.Type: GrantFiled: October 2, 2017Date of Patent: February 26, 2019Assignee: Vishay Dale Electronics, LLCInventors: Clark L. Smith, Thomas L. Bertsch, Todd L. Wyatt, Thomas L. Veik
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Patent number: 10134510Abstract: A chip resistor includes an insulating substrate, a resistive element provided on an upper surface of the insulating substrate, a pair of upper-surface electrodes provided on respective ones of both end portions of an upper surface of the resistive element so as to expose a part of the upper surface of the resistive element from the upper-surface electrodes, and a protective layer that covers the part of the resistive element and that does not cover the pair of upper-surface electrodes. The pair of upper-surface electrodes have exposed upper surfaces and exposed edge surfaces, respectively. Each of the edge surfaces of the pair of upper-surface electrodes does not project outward from respective one of the edge surfaces of the insulating substrate. The chip resistor can reduce a temperature coefficient of resistance to improve the temperature coefficient of resistance.Type: GrantFiled: March 30, 2015Date of Patent: November 20, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Shogo Nakayama
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Patent number: 10083826Abstract: The present invention is provided to reduce the distortion or delay of the input waveform of a high-speed analog signal due to the capacitance of a protection element inserted for the purpose of ESD protection in an input circuit for a high-speed analog signal, so as to determine the correct waveform of the high-speed analog signal.Type: GrantFiled: November 2, 2006Date of Patent: September 25, 2018Assignee: SHIMADZU CORPORATIONInventor: Eizo Kawato
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Patent number: 10048240Abstract: A control apparatus that controls a gas concentration sensor includes a sweep circuit, a current detection resistor, and a calculation portion. The sweep circuit supplies the gas concentration sensor with a sweep current. The calculation portion calculates impedance of the gas concentration sensor. The gas concentration sensor and the current detection resistor are sequentially connected in series along a direction from the sweep circuit to a reference voltage. The sweep circuit has a constant voltage circuit and a reference resistor. An increasing and decreasing tendency of a manufacturing variation of the reference resistor and an increasing and decreasing tendency of a manufacturing variation of the current detection resistor are identical. The calculation portion divides a product of a resistance value of the current detection resistor and a time variation of applied voltage to the gas concentration sensor by a time variation of applied voltage to the current detection resistor.Type: GrantFiled: September 10, 2015Date of Patent: August 14, 2018Assignee: DENSO CORPORATIONInventors: Satoshi Nishimoto, Masafumi Umeno, Yuji Yamada
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Patent number: 9997281Abstract: A chip resistor includes an upper electrode provided on a substrate, a resistor element connected to the upper electrode, and a side electrode connected to the upper electrode. The side electrode, arranged on a side surface of the substrate, has two portions overlapping with the obverse surface and reverse surface of the substrate, respectively. An intermediate electrode covers the side electrode, and an external electrode covers the intermediate electrode. A first protective layer is disposed between the upper electrode and the intermediate electrode, and held in contact with the upper electrode and the side electrode. The first protective layer is more resistant to sulfurization than the upper electrode. A second protective layer is disposed between the first protective layer and intermediate electrode, and held in contact with the first protective layer, side electrode and intermediate electrode.Type: GrantFiled: February 16, 2016Date of Patent: June 12, 2018Assignee: ROHM CO., LTD.Inventors: Takanori Shinoura, Wataru Imahashi
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Patent number: 9972427Abstract: A chip resistor includes a substrate, and a plurality of resistor elements each having a resistive film provided on the substrate and an interconnection film provided on the resistive film in contact with the resistive film. An electrode is provided on the substrate. Fuses disconnectably connect the resistor elements to the electrode. The resistive film is made of at least one material selected from the group of NiCr, NiCrAl, NiCrSi, NiCrSiAl, TaN, TaSiO2, TiN, TiNO and TiSiON.Type: GrantFiled: September 21, 2016Date of Patent: May 15, 2018Assignee: ROHM CO., LTD.Inventors: Yasuhiro Kondo, Hiroshi Tamagawa, Hiroki Yamamoto
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Patent number: 9947443Abstract: A chip resistor includes a base member, a resistive element formed on the base member, a first inner electrode held in contact with a first end portion of the resistive element, a second inner electrode held in contact with a second end portion of the resistive element, a first reverse surface electrode reaching a first end portion of the base member, and a second reverse surface electrode reaching a second end portion of the base member. The length of the first and the second reverse surface electrodes is in a range of 2/10 to 3/10 of the length of the base member. Also, the length of the first and the second reverse surface electrodes is greater than the length of the first and the second inner electrodes.Type: GrantFiled: June 1, 2017Date of Patent: April 17, 2018Assignee: ROHM CO., LTD.Inventors: Shinsuke Ogawa, Makoto Toyonaga
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Patent number: 9909944Abstract: A sensor (1) comprising a membrane, an isolation layer (3) arranged on the membrane, measuring electronics comprising a thin film circuit (4), e.g. in the form of a Wheatstone bridge, deposited on the isolation layer (3), and a power supply (14) arranged to supply a quasi-DC voltage to the thin film circuit (4) is disclosed. The sensor (1) is cost effective to manufacture, due to the thin film circuit (4), and corrosion effects are avoided, without having to apply a coating or passivation layer onto the thin film circuit (4), due to the quasi-DC voltage being supplied to the thin film circuit (4).Type: GrantFiled: May 8, 2014Date of Patent: March 6, 2018Assignee: Danfoss A/SInventor: Steen Moellebjerg Matzen
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Patent number: 9618317Abstract: A position indicator includes a resonance circuit housed in a casing and having an inductance element and a capacitor variable in capacitance, such that the resonance circuit resonates at a predetermined frequency. The position indicator is electromagnetically coupled to a position detecting device. The capacitor includes a dielectric, an electrode disposed on one side of the dielectric, and a trimming electrode disposed on another side of the dielectric such that at least one part of a region of the trimming electrode is opposed to the electrode with the dielectric interposed in between, to form the capacitance of the capacitor. The capacitor is housed in the casing such that the at least one part can be exposed from the casing. The area of the at least one part exposed from the casing to the outside is changed so as to correspond to a resonance frequency desired for the resonance circuit.Type: GrantFiled: December 3, 2013Date of Patent: April 11, 2017Assignee: Wacom Co., LtdInventors: Kazuo Hara, Takashi Yamaguchi
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Patent number: 9530546Abstract: [Subject]To provide a chip resistor free from chipping of corner portions thereof and a method of producing the chip resistor. [Solution] The chip resistor (1) includes: a board (2) having a device formation surface (2A), a back surface (2B) opposite from the device formation surface (2A) and side surfaces (2C-2F) connecting the device formation surface (2A) to the back surface (2B), a resistor portion (56) provided on the device formation surface (2A), a first connection electrode (3) and a second connection electrode (4) provided on the device formation surface (2A) and electrically connected to the resistor portion (56), and a resin film (24) covering the device formation surface (2A) with the first connection electrode (3) and the second connection electrode (4) being exposed therefrom. Intersection portions (11) of the board (2) along which the back surface (2B) intersects the side surfaces (2C-2F) each have a rounded shape.Type: GrantFiled: December 18, 2012Date of Patent: December 27, 2016Assignee: ROHM CO., LTD.Inventors: Eiji Nukaga, Hiroshi Tamagawa, Yasuhiro Kondo, Katsuya Matsuura
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Patent number: 9508473Abstract: [Object] To provide a chip resistor with which laser irradiation requires no extremely high positional accuracy, and a plating layer provided on a base and adjacent to a resistor element can be connected to an external conductive layer. [Solution] A chip resistor includes a base 1, a first principal surface electrode 21, a second principal surface electrode spaced apart from the first principal surface electrode 21 in a first direction X1, a resistor element 4 in contact with the first principal surface electrode 21 and the second principal surface electrode 31, an overcoat 6 covering the resistor element 4, the first principal surface electrode 21 and the second principal surface electrode, a first auxiliary electrode 25 covering the first principal surface electrode 21 and the overcoat 6, and a first plating electrode 27 covering the first auxiliary electrode 25. The first auxiliary electrode 25 includes a portion 259 offset from the first principal surface electrode 21 in the first direction X1.Type: GrantFiled: December 10, 2012Date of Patent: November 29, 2016Assignee: ROHM CO., LTD.Inventor: Masaki Yoneda
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Patent number: 9451215Abstract: In a control circuit apparatus and an endoscope apparatus circuit disposition in which the outer edge of the first overheating region and the outer edge of the second overheating region approach the outer edge of the first overheating region and the outer edge of the second overheating region to an extreme in a state in which the outer edge of the first overheating region and the outer edge of the second overheating region do not overlap the outer edge of the first overheating region and the outer edge of the second overheating region serves as circuit disposition having a minimum mounting area on a substrate.Type: GrantFiled: December 21, 2012Date of Patent: September 20, 2016Assignee: OLYMPUS CORPORATIONInventor: Ayumi Doi
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Patent number: 9424891Abstract: Methods, apparatuses and systems are disclosed involving a memory device. In one embodiment, a memory device is disclosed that includes a command error module of the memory device operably coupled to at least one of a command signal and an address signal and configured to detect and report a parity error on the command signal, the address signal, or combinations thereof. In some embodiments, a memory device may include a temperature sensor operably coupled to a mode register. The temperature sensor may be configured to sense a device temperature and report a temperature status. Furthermore, the memory device may be incorporated into a memory module, which may be included in an electronic system.Type: GrantFiled: May 19, 2014Date of Patent: August 23, 2016Assignee: Micron Technology, Inc.Inventor: David R. Resnick
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Patent number: 9418932Abstract: An integrated circuit system, and a method of manufacture thereof, includes: an integrated circuit substrate; and a discretized tunable precision resistor having a total resistance including: a resistor body over the integrated circuit substrate, interconnects directly on the resistor body, metal taps directly on the interconnects and at opposing sides of the resistor body, and conductive metal strips over the interconnects, wherein the total resistance is a function of an active resistor length of the resistor body between a pair of the metal taps in contact with two of the conductive metal strips.Type: GrantFiled: March 19, 2015Date of Patent: August 16, 2016Assignee: Altera CorporationInventors: Queennie Suan Imm Lim, Jeffrey T. Watt, ShuXian Chen
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Patent number: 9378872Abstract: A resistor includes a substantially cylindrical resistive element having a resistance of less than about 1 m?, a substantially cylindrical first termination electrically connected to the resistive element and a second termination electrically connected to the resistive element. The substantially cylindrical first termination is hollow to allow for accepting a connection such as from a battery cable. In addition there may be sense leads present on the resistor. A method of forming a substantially cylindrical resistor includes forming a hollow cylindrical resistor body by rolling a flat sheet comprising a resistive element and a first termination and a second termination joined on opposite ends of the resistive element.Type: GrantFiled: May 16, 2014Date of Patent: June 28, 2016Assignee: Vishay Dale Electronics, LLCInventors: Clark L. Smith, Joel J. Smejkal, David Lange, Thomas L. Bertsch, Steve Hendricks, Rod Brune