Details Of Electrical Connection Means (e.g., Terminal Or Lead) Patents (Class 361/306.1)
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Patent number: 9019690Abstract: There is provided a conductive resin composition including 10 to 50 wt % of a gel type silicon rubber such as polydimethylsiloxane (PDMS), and 50 to 90 wt % of conductive metal powder particles.Type: GrantFiled: March 11, 2013Date of Patent: April 28, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Kyung Pyo Hong, Hyun Hee Gu, Byoung Jin Chun, Jae Hwan Han
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Patent number: 9007741Abstract: A capacitor includes a dielectric layer, a first external electrode layer, a second external electrode layer, a first internal electrode portion, a second internal electrode portion, and an adsorbing portion. The first internal electrode portion is provided on a first through-hole portion, one end of the first internal electrode portion being connected to the first external electrode layer. The second internal electrode portion is provided on a second through-hole portion, one end of the second internal electrode portion being connected to the second external electrode layer. The adsorbing portion adsorbs the first external electrode layer and the second external electrode layer, the adsorbing portion being provided on a third through-hole portion.Type: GrantFiled: June 5, 2013Date of Patent: April 14, 2015Assignee: Taiyo Yuden Co., ltd.Inventors: Hidetoshi Masuda, Yoshinari Take
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Patent number: 8988852Abstract: In one embodiment, an apparatus includes a first reference voltage coupled to a first metal layer and a second reference voltage coupled to a second metal layer. A first finger type in the plurality of fingers is coupled to the first metal layer at a first area and coupled to the first metal layer and the second metal layer at a second area. A second finger type in the plurality of fingers is coupled to the second metal layer at the first area and coupled to the first metal layer and the second metal layer at the second area. Also, the first finger type and the second finger type alternately positioned next to each other.Type: GrantFiled: November 10, 2010Date of Patent: March 24, 2015Assignee: Marvell World Trade Ltd.Inventors: David M. Signoff, Wayne A. Loeb
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Patent number: 8982533Abstract: A monolithic electronic component includes a laminate including a plurality of stacked insulating layers and a plurality of internal electrodes which extend between the insulating layers and which have end portions exposed at predetermined surfaces of the laminate, first plating layers disposed on the predetermined surfaces of the laminate, and second plating layers disposed on the first plating layer. The first plating layers are made of a metal different from that used to make the internal electrodes. The first plating layers are formed by electroless plating. The second plating layers are formed by electroplating.Type: GrantFiled: May 3, 2013Date of Patent: March 17, 2015Assignee: Murata Manufacturing Co., Ltd.Inventors: Akihiro Motoki, Akihiro Yoshida, Makoto Ogawa
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Patent number: 8982534Abstract: There is provided a multilayer ceramic electronic component including: a ceramic main body including a dielectric layer and internal electrodes disposed to face each other, while having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the external electrodes include first external electrodes formed on outer surfaces of the ceramic main body and second external electrodes formed outwardly of the first external electrodes, and protective layers including one or more of an oxide layer and a glass layer are formed between the first external electrodes and the second external electrodes.Type: GrantFiled: March 11, 2013Date of Patent: March 17, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Joon Hwan Kwag, Sang Huk Kim
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Patent number: 8976506Abstract: A design for an improved metal-on-metal capacitor design is described. The design includes a substantially diagonal feedline (411, 412, 413) in each metal layer. Each metal layer (21, 22, 23) comprises two sets of metal fingers which are interleaved. Each set of fingers comprises two subsets of fingers and the subsets of fingers are arranged at right angles to each other. Fingers in a first of the two sets are all connected to the diagonal feedline, while fingers in the other set are connected together via fingers at the periphery of the device. The design is repeated in adjacent layers, where the design may be identical or rotated (e.g by 180°) between adjacent metal layers.Type: GrantFiled: September 14, 2009Date of Patent: March 10, 2015Assignee: Cambridge Silicon Radio Ltd.Inventor: Rainer Herberholz
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Publication number: 20150054388Abstract: A ceramic electronic component includes an electronic component body and first and second metal terminals. The electronic component body includes a bare ceramic body and first and second outer electrodes. The first and second outer electrodes of the electronic component body are connected respectively to the first and second metal terminals by solders containing Sn as a main constituent. An alloy layer containing Ni—Sn is provided in at least a portion of a bonding interface between adjacent two of the first and second metal terminals and the first and second outer electrodes.Type: ApplicationFiled: August 7, 2014Publication date: February 26, 2015Inventors: Yoji ITAGAKI, Nobumichi KIMURA, Tomoaki MATSUDA
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Publication number: 20150055274Abstract: A method for manufacturing a terminal-strip-equipped electronic component in which terminal strips made of a metal plate are bonded with solder to terminal electrodes of an electronic chip component on two opposing end surfaces. Solder cream is applied to outer surfaces of the terminal electrodes. The terminal strips are thermocompression bonded to the terminal electrodes by placing the electronic chip component between the terminal strips and pressing the terminal strips against the terminal electrodes using a pair of heating elements so as to obtain an electronic component to which the terminal strips are temporarily fixed. The terminal strips are fully fixed to the electronic component by melting the solder cream as a result of heating the electronic component in a heating furnace so as to obtain a terminal-strip-equipped electronic component.Type: ApplicationFiled: July 15, 2014Publication date: February 26, 2015Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Nobumichi KIMURA, Masuyoshi HOUDA
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Patent number: 8964355Abstract: There are provided a multilayer ceramic capacitor and a manufacturing method thereof, the multilayer ceramic capacitor including: a ceramic body; first and second internal electrodes; first and second external electrodes; and a first insulating layer.Type: GrantFiled: December 14, 2012Date of Patent: February 24, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Eung Soo Kim, Jae Yeol Choi, Doo Young Kim, Jong Ho Lee, Yu Na Kim, Sung Woo Kim
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Patent number: 8941972Abstract: There are provided a multilayer ceramic electronic component and a method of manufacturing the same. The multilayer ceramic electronic component includes: a ceramic body including a dielectric layer; first and second internal electrodes disposed within the ceramic body to face each other, while having the dielectric layer interposed therebetween; and first external electrodes electrically connected to first and second internal electrodes and second external electrodes formed on the first external electrodes, wherein the first and second external electrodes include a conductive metal and a glass, and when the second external electrodes are divided into three equal parts in a thickness direction, an area of the glass in central parts thereof with respect to an area of the central parts is 30 to 80%. Therefore, sealing properties of a chip is improved, whereby a multilayer ceramic electronic component having improved reliability may be implemented.Type: GrantFiled: August 10, 2012Date of Patent: January 27, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Myung Jun Park, Sang Hoon Kwon, Chang Hoon Kim, Hyun Hee Gu, Jae Young Park, Da Young Choi, Kyu Ha Lee, Byung Jun Jeon
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Patent number: 8941974Abstract: An interdigitated capacitor having digits of varying width is disclosed. One embodiment of a capacitor includes a first plurality of conductive digits and a second plurality of conductive digits positioned in an interlocking manner with the first plurality of conductive digits, such that an interdigitated structure is formed. The first plurality of conductive digits and the second plurality of conductive digits collectively form a set of digits, where the width of a first digit in the set of digits is non-uniform with respect to a second digit in the set of digits.Type: GrantFiled: September 9, 2011Date of Patent: January 27, 2015Assignee: Xilinx, Inc.Inventors: Zhaoyin D. Wu, Parag Upadhyaya, Xuewen Jiang
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Patent number: 8941975Abstract: Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes: a laminate which has a plurality of laminated ceramic layers and Al/Si alloy-containing internal electrodes at a plurality of specific interface between ceramic layers; and an external electrode formed on the outer surface of the laminate, wherein the Al/Si ratio of the Al/Si alloy is 85/15 or more.Type: GrantFiled: September 11, 2012Date of Patent: January 27, 2015Assignee: Murata Manufacturing Co., Ltd.Inventors: Koichi Banno, Shoichiro Suzuki, Masanori Nakamura, Masahiro Otsuka, Taisuke Kanzaki, Akihiro Shiota
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Patent number: 8927862Abstract: A feedthrough assembly includes a metallic ferrule, an insulator mounted within the ferrule, a plurality of feedthrough wires mounted within and extending through the insulator, and a ground wire directly attached to the ferrule, wherein the ground wire does not pass through or alongside the insulator.Type: GrantFiled: December 5, 2013Date of Patent: January 6, 2015Assignee: Cardiac Pacemakers, Inc.Inventors: Patrick J. Barry, Derek John Boettger
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Patent number: 8917491Abstract: One object is to provide a porous capacitor having increased insulation reliability. In accordance with one aspect, the porous capacitor includes: a first conductor layer and a second conductor layer opposed to each other at a predetermined distance; a dielectric layer made of an oxidized valve metal and disposed between the first conductor layer and the second conductor layer; a large number of holes formed through the dielectric layer and oriented substantially orthogonal to the first conductor layer and the second conductor layer; and first electrodes and second electrodes formed of a conductive material filled in the holes; and insulation parts insulating the first electrodes from the second conductor layer and insulating the second electrodes from the first conductor layer. The thicknesses of the first conductor layer and the second conductor layer are equal to or greater than half of the inner diameter of the holes.Type: GrantFiled: March 22, 2013Date of Patent: December 23, 2014Assignee: Taiyo Yuden Co., LtdInventors: Hidetoshi Masuda, Kenichi Ota
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Publication number: 20140367827Abstract: A metal capacitor with an inner first terminal (e.g., a positive terminal) and an outer second terminal (e.g., a negative terminal) is disclosed herein. In an exemplary design, an apparatus (e.g., an IC chip) includes a first conductive line for a first terminal of a capacitor and at least one conductive line for a second terminal of the capacitor. The at least one conductive line is formed on opposing first and second sides of the first conductive line. Parallel conductive traces are formed transverse to, and on both the first and second sides of, the first conductive line. Additional parallel conductive traces are formed transverse to the at least one conductive line and are interlaced with the parallel conductive traces coupled to the first conductive line. The metal capacitor includes a plurality of unit capacitors formed by the parallel conductive traces coupled to the conductive lines.Type: ApplicationFiled: June 17, 2013Publication date: December 18, 2014Inventors: Bruce Sokki Lee, Liang Dai
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Patent number: 8908351Abstract: There are provided a conductive paste composition for an internal electrode, a multilayer ceramic electronic component including the same, and a method of manufacturing the same, the conductive paste composition including: a metal powder; and an additive including at least one selected from glutamic acid, amino acids, thiols, and hydrocarbons.Type: GrantFiled: July 25, 2012Date of Patent: December 9, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ro Woon Lee, Young Ho Kim, Yoon Hee Lee, Kyung Jin Choi
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Patent number: 8908352Abstract: There is provided a chip type laminated capacitor including: a ceramic body formed by laminating a dielectric layer having a thickness equal to 10 or more times an average particle diameter of a grain included therein and being 3 ?m or less; first and second outer electrodes; a first inner electrode having one end forming a first margin together with one end surface of the ceramic body at which the second outer electrode is formed and the other end leading to the first outer electrode; and a second inner electrode having one end forming a second margin together with the other end surface of the ceramic body at which the first outer electrode is formed and the other end leading to the second outer electrode, wherein the first and second margins have different widths under a condition that they are 200 ?m or less.Type: GrantFiled: December 4, 2012Date of Patent: December 9, 2014Assignee: Samsung Electro-Mechanics Co., LtdInventors: Young Ghyu Ahn, Byoung Hwa Lee, Min Cheol Park, Young Hoon Song, Mi Hee Lee
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Patent number: 8897023Abstract: An electrical assembly for a motor controller is disclosed that includes an electrical lead. The electrical lead has a conductive trace within an insulating material and that extends a length between first and second ends. An electrical pad is in electrical continuity with and extends from the conductive trace through the insulating material at the first end. The pad includes an aperture providing a securing feature. An electrical component is supported by and integral with the second end, in one example. The electrical component is in electrical continuity with the conductive trace at the second end. A bus bar provides a joint having a first cross-sectional area. The electrical lead is flexible and is removably secured to the joint by the securing feature to provide electrical continuity from a capacitor to the bus bar. The flexible electrical lead has a second cross-sectional area substantially less than the first cross-sectional area.Type: GrantFiled: May 15, 2009Date of Patent: November 25, 2014Assignee: Hamilton Sundstrand CorporationInventor: Debabrata Pal
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Patent number: 8891225Abstract: A ceramic electronic component includes a ceramic element assembly and external electrodes. The external electrodes are disposed on the ceramic element assembly. The external electrodes include an underlying electrode layer and a first Cu plating film. The underlying electrode layer is disposed on the ceramic element assembly. The first Cu plating film is disposed on the underlying electrode layer. The underlying electrode layer includes a metal that is diffusible in Cu and a ceramic bonding material. The metal that is diffusible in Cu is diffused in at least a surface layer in the underlying electrode layer side of the first Cu plating film.Type: GrantFiled: November 5, 2013Date of Patent: November 18, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Yasuhiro Nishisaka, Yukio Sanada, Koji Sato, Seiichi Matsumoto
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Patent number: 8891245Abstract: A printed wiring board includes a core substrate having a penetrating hole, a first conductive layer on a first surface of the substrate, a second conductive layer on a second surface of the substrate, a first electronic component having an electrode and accommodated in the hole such that the electrode faces the first surface, a first structure on the first surface and including a pad for mounting a second electronic component on the first structure and a via conductor connected to the electrode, and a second structure on the second surface. The electrode has an upper surface facing toward the first surface, the first layer has an upper surface facing away from the first surface, and the first component is positioned in the hole such that the upper surface of the electrode forms a gap with the upper surface of the first layer.Type: GrantFiled: June 29, 2012Date of Patent: November 18, 2014Assignee: IBIDEN Co., Ltd.Inventors: Toshiki Furutani, Yukinobu Mikado, Mitsuhiro Tomikawa
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Patent number: 8891226Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic sintered body having a plurality of dielectric layers laminated therein; first and second capacitance portions being formed on surfaces of the dielectric layers; first and second lead-out portions being respectively extended from both sides of the first and second capacitance portions to be respectively exposed through both side surfaces of the ceramic sintered body and spaced apart from each other; sealing parts enclosing both end portions and corner portions of the ceramic sintered body; and first and second external electrodes enclosing the sealing parts and formed on both end portions of the ceramic sintered body to be electrically connected to the first and second lead-out portions, respectively.Type: GrantFiled: December 31, 2012Date of Patent: November 18, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Chung Eun Lee, Jae Yeol Choi, Doo Young Kim, Wi Heon Kim
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Patent number: 8885321Abstract: Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes a laminate which has a plurality of laminated ceramic layers and internal electrodes formed along at a plurality of specific interface between the ceramic layers and having an Al/Ti alloy as a component; and an external electrode formed on the outer surface of the laminate. The Al/Ti ratio of the Al/Ti alloy is 91/9 or more.Type: GrantFiled: September 6, 2012Date of Patent: November 11, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Taisuke Kanzaki, Koichi Banno, Masahiro Otsuka, Shoichiro Suzuki, Akihiro Shiota, Masanori Nakamura
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Patent number: 8885323Abstract: There is provided a multilayered ceramic electronic component including: a multilayered body in which a plurality of dielectric layers are stacked; a plurality of first and second internal electrodes formed on the dielectric layers so as to be alternately exposed through end surfaces; a minimum margin indicating part formed on an L-direction margin part on which the first or second internal electrode is not formed on the dielectric layer and indicating a minimum size of the L-direction margin part, the L-direction minimum margin indicating part being inserted on the ceramic sheet, whereby a multilayered ceramic electronic component having high capacitance while reducing a defect and having excellent reliability may be implemented.Type: GrantFiled: November 7, 2012Date of Patent: November 11, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Seok Joon Hwang, Je Jung Kim
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Patent number: 8879236Abstract: Provided is a laminated ceramic electronic component having excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes: a laminate which has a plurality of laminated ceramic layers and internal electrodes at a plurality of specific interfaces between the ceramic layers and having an Al/Ni alloy as a component; and an external electrode formed on the outer surface of the laminate, wherein the Al/Ni ratio of the Al/Ni alloy is 85/15 or more.Type: GrantFiled: September 10, 2012Date of Patent: November 4, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Masahiro Otsuka, Koichi Banno, Akihiro Shiota, Shoichiro Suzuki, Taisuke Kanzaki, Masanori Nakamura
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Patent number: 8879237Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body having dielectric layers and first and second internal electrodes alternately stacked therein; and first and second external electrodes electrically connected to the first and second internal electrodes and formed at both ends of the ceramic body, wherein the ceramic body includes an effective layer contributing to capacitance formation and a protective layer provided on at least one of upper and lower surfaces of the effective layer, the protective layer including one or more step absorbing layers provided at both ends thereof, so that the multilayer ceramic electronic component can have excellent reliability by reducing defects such as electrode spreading, cracks, delamination and the like.Type: GrantFiled: December 19, 2012Date of Patent: November 4, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jin Woo Lee, Chi Hyoun Ro, Yoon Hee Lee
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Patent number: 8879238Abstract: There is provided a multilayer ceramic capacitor, and a method of manufacturing the same, the multilayer ceramic capacitor including: a ceramic body; a first internal electrode; a second internal electrode; a first external electrode; a second external electrode; and an insulating layer.Type: GrantFiled: January 10, 2013Date of Patent: November 4, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Eung Soo Kim, Jong Ho Lee, Jae Yeol Choi, Doo Young Kim, Yu Na Kim, Sung Woo Kim
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Patent number: 8861181Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic main body having internal electrodes laminated therein; and external electrodes formed on both ends of the ceramic main body in a length direction thereof, wherein each of the external electrodes includes a first layer formed on the ceramic main body and including a conductive metal, and a second layer formed on the first layer and including a conductive resin, and when Tc is a thickness of a cover layer of the ceramic main body, L1 is a length from either end of the ceramic main body in the length direction thereof to an end of the first layer formed on an upper surface or a lower surface of the ceramic main body, T1 is a thickness of the first layer, and T2 is a thickness of the second layer, Tc?70 ?m, T2?(1.5)T1, and L1<(1.5)Tc are satisfied, thus providing excellent reliability.Type: GrantFiled: January 18, 2013Date of Patent: October 14, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Chang Ho Lee, Dong Hwan Seo, Sang Hyun Park
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Patent number: 8861182Abstract: There are provided a conductive paste composition for an internal electrode, a multilayer ceramic capacitor having the same, and a fabrication method thereof. The conductive paste composition for an internal electrode includes a binder, a solvent, and metal powder for an internal electrode, including a nickel particle coated with a nickel nitride.Type: GrantFiled: August 21, 2012Date of Patent: October 14, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ye Jun Park, Yoon Hee Lee, Dong Hoon Kim
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Patent number: 8861180Abstract: A multilayer ceramic electronic component includes a ceramic main body having internal electrodes laminated therein; and external electrodes formed on ends of the ceramic main body in a length direction, wherein each external electrode includes a first layer formed on the ceramic main body and including a conductive metal, and a second layer formed on the first layer and including a conductive resin, and when Tc is thickness of a cover layer, Te is thickness of the internal electrode, Td is distance between neighboring internal electrodes, L1 is length from either end of the ceramic main body in the length direction in a region in which the cover layer adjoins a margin part of the ceramic main body to an end of the first layer formed on an upper or lower surface of the ceramic main body, and Lm is length of the margin part, Tc?70 ?m and L1<Lm+Tc×cot 50° are satisfied.Type: GrantFiled: January 18, 2013Date of Patent: October 14, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Chang Ho Lee, Dong Hwan Seo, Sang Hyun Park
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Patent number: 8848336Abstract: A crystalline perovskite crystalline composite paraelectric material includes nano-regions containing rich N3? anions dispersed in a nano-grain sized matrix of crystalline oxide perovskite material, wherein (ABO3-?)?-(ABO3-?-?N?)1-?. A represents a divalent element, B represents a tetravalent element, ? satisfies 0.005???1.0, 1-? satisfies 0.05?1-??0.9, and 1-? is an area ratio between the regions containing rich N3? anions and the matrix of remaining oxide perovskite material.Type: GrantFiled: September 14, 2012Date of Patent: September 30, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Ivoyl Koutsaroff, Shinichi Higai, Akira Ando
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Patent number: 8842415Abstract: There is provided a multilayer ceramic capacitor, including: a multilayer body in which a plurality of dielectric layers are stacked in a thickness direction; and inner electrode layers formed within the multilayer body and including first and second inner electrodes disposed to be opposed to each other; wherein a ratio (MA1/CA1) of MA1 to CA1 is between 0.07 and 0.20, wherein CA1 represents an area of the multilayer body in a cross section of the multilayer body taken in a length and thickness direction, and MA1 represents an area of a first margin part in the cross section of the multilayer body taken in the length and thickness direction, the first margin part being a portion of the multilayer body, other than a first capacitance forming part thereof in which the first and second inner electrodes overlap in the thickness direction.Type: GrantFiled: December 4, 2012Date of Patent: September 23, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Young Ghyu Ahn, Byoung Hwa Lee, Min Cheol Park, Sang Soo Park, Dong Seok Park
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Patent number: 8837112Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body including a dielectric layer; a plurality of internal electrodes disposed to face each other within the ceramic body, having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the ceramic body includes an active layer corresponding to a capacitance forming part and a cover layer formed on at least one of an upper surface and a lower surface of the active layer and corresponding to a non-capacitance forming part, an average thickness of the cover layer is 15 ?m or less, the external electrodes include a conductive metal and a glass, and when an area of the external electrodes occupied by the glass is A and an area thereof occupied by the conductive metal is B, 0.05?A/B?0.6 is satisfied.Type: GrantFiled: September 14, 2012Date of Patent: September 16, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Hee Gu, Myung Jun Park, Kyu Ha Lee, Da Young Choi, Jae Young Park, Sang Hoon Kwon, Byung Jun Jeon
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Patent number: 8830654Abstract: An electronic component includes an electronic component body and metal terminals. The electronic component body includes a base member and external electrodes. The base member includes two opposed end surfaces, two opposed side surfaces, and two opposed principal surfaces. The external electrodes are disposed on the end surfaces of the base member. The metal terminals are connected to the external electrodes by bonding with solder. A relationship of about 21?Vc/Vh?about 320 is satisfied where Vc is a volume of the electronic component body and Vh is a volume of the solder provided at one of the pairs of the external electrodes and the metal terminals.Type: GrantFiled: March 15, 2012Date of Patent: September 9, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Masayoshi Haruki, Yoshio Takeuchi
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Patent number: 8830651Abstract: A laminated ceramic capacitor having high electrostatic capacitance and excellent lifetime characteristics, even when in a high electric field intensity employs a dielectric ceramic including crystal grains and crystal grain boundaries which contains, as its main constituent, a perovskite-type compound including Ba, Ca, and Ti, and further contains Mg, R (Y, La, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, and/or Yb), and Zr, such that when the laminated body is dissolved, the contents in terms of parts by mol are Ca: 3 to 15 parts by mol, Mg: 0.01 to 0.09 parts by mol, R: 2.5 to 8.4 parts by mol, and Zr: 0.05 to 3.0 parts by mol with respect to 100 parts by mol of Ti, and there is Ca at least at the centers of the crystal grains.Type: GrantFiled: October 21, 2013Date of Patent: September 9, 2014Assignee: Murata Manufacturing Co., Ltd.Inventor: Shinichi Yamaguchi
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Patent number: 8804304Abstract: There is provided a chip type laminated capacitor, including: a ceramic body including a dielectric layer having a thickness equal to 10 or more times an average particle diameter of a grain included therein and being 3 ?m or less; first and second outer electrodes formed on both ends of the ceramic body in a length direction; first and second band parts formed to extend inwardly of the ceramic body in the length direction on a length-width (L-W) plane from the first and second outer electrodes and having different lengths; and third and fourth band parts formed to extend inwardly of the ceramic body in the length direction on a length-thickness (L-T) plane from the first and second outer electrodes and having different lengths.Type: GrantFiled: January 29, 2013Date of Patent: August 12, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Young Ghyu Ahn, Byoung Hwa Lee, Min Cheol Park, Young Hoon Song, Mi Hee Lee
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Patent number: 8797711Abstract: A region where a plating film constituting an external electrode is formed can be accurately controlled in an electronic component in which the external electrode is formed by directly plating a particular region in a surface of a component body. In a component body, a bump is provided in a position in which a region where an external electrode should be formed is partitioned. In a plating process, growth of the plating film constituting the external electrode is substantially stopped or delayed in the bump. As a result, a termination point of the growth of the plating film constituting the external electrode can be accurately controlled in the position of the bump.Type: GrantFiled: December 8, 2009Date of Patent: August 5, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Seiichi Matsumoto, Toshiyuki Iwanaga, Makoto Ogawa, Akihiro Motoki
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Patent number: 8773840Abstract: An electronic component includes a ceramic sintered body, and a plurality of first and second inner electrodes alternately arranged inside the ceramic sintered body to be opposed to each other in a third direction with a ceramic layer interposed between the adjacent first and second inner electrodes. The first and second inner electrodes are each arranged to be exposed to a third or fourth surface without being exposed to fifth and sixth surfaces. Heterogeneous regions, which include solid solutions of metals included in the first and second inner electrodes and the ceramic sintered body, are arranged continuously in opposite end portions of the ceramic sintered body in a first direction to extend from one side end to an opposite side end of a region where the first and second inner electrodes are disposed in a third direction.Type: GrantFiled: June 8, 2012Date of Patent: July 8, 2014Assignee: Murata Manufacturing Co., Ltd.Inventor: Yasuharu Yamashita
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Patent number: 8773839Abstract: A multilayer ceramic electronic component that is small, that has high electrical strength, and that is resistant to separation between ceramic layers includes a ceramic sintered body having a substantially rectangular parallelepiped shape and a plurality of first and second internal electrodes. The plurality of first and second internal electrodes are alternately arranged so as to face each other. The first and second internal electrodes are parallel or substantially parallel to first and second major surfaces. The first and second internal electrodes are exposed to at least one of the fifth and sixth surfaces and are not exposed to the third or fourth surface. No bends exist in any of the ends of each of the first and second internal electrodes adjacent to the third and fourth surfaces.Type: GrantFiled: June 8, 2012Date of Patent: July 8, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Yasuharu Yamashita, Kenichi Okajima, Hideaki Tanaka, Naoto Muranishi, Daiki Fukunaga, Nagato Omori
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Patent number: 8767375Abstract: There are provided a multilayer ceramic electronic component, and a method of fabricating the same. The multilayer ceramic electronic component includes: a ceramic main body including a dielectric layer; first and second internal electrodes disposed to face each other within the ceramic main body; and a first external electrode and a second external electrode, wherein the first and second external electrodes include a conductive metal and glass, and when at least one of the first and second external electrodes is divided into three equal parts in a thickness direction, an area of the glass in a central part thereof is 35% to 80% of the total area of the central part. A multilayer ceramic electronic component having improved reliability may be implemented by enhancing chip air-tightness.Type: GrantFiled: August 8, 2012Date of Patent: July 1, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Myung Jun Park, Sang Hoon Kwon, Jae Young Park, Kyu Ha Lee, Byung Jun Jeon, Da Young Choi, Hyun Hee Gu, Chang Hoon Kim
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Patent number: 8755167Abstract: There are provided a ceramic sheet product for a ceramic electronic component, a multilayer ceramic electronic component using the same, and a method of manufacturing the multilayer ceramic electronic component. The ceramic sheet product for a ceramic electronic component includes a ceramic layer; a metal layer formed on the ceramic layer; and metal nanostructures contacting the metal layer and protruding from the metal layer to an inner portion of the ceramic layer. With the multilayer ceramic electronic component using the ceramic sheet product for a ceramic electronic component, an interval between electrodes is reduced to thereby allow for the increase of capacitance, whereby a multilayer ceramic electronic component having high capacitance may be provided.Type: GrantFiled: November 4, 2011Date of Patent: June 17, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Kwang Jik Lee, Suk Jin Ham, Ji Hyuk Lim
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Patent number: 8743529Abstract: A capacitor having a stem that is designed to be inserted into a single, large-diameter via hole drilled in a printed circuit board is provided, wherein the stem may have conductive rings for making the positive and negative connections to the printed circuit board power distribution planes. Inside the capacitive stem, current, or at least a portion thereof, may be carried to the main body of the capacitor through low-inductance plates that are interleaved to maximize their own mutual inductance and, therefore, minimize the connection inductance. Alternatively, the capacitor may include a coaxial stem that forms a coaxial transmission line with the anode and cathode terminals forming the inner and outer conductors.Type: GrantFiled: January 6, 2010Date of Patent: June 3, 2014Assignee: Clemson University Research FoundationInventors: Todd Hubing, Hocheol Kwak, Haixin Ke
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Patent number: 8743528Abstract: [Object] To provide a capacitor in which generation of warpage of a laminate can be prevented. [Solution] A capacitor 1 includes a laminate 2 in which a plurality of dielectric layers 6 are laminated, an inner electrode 3 disposed between the dielectric layers 6 of the laminate 2, an outer electrode 4 that is disposed on an end face of the laminate 2 so as to be connected to the inner electrode 3 and that has an extending portion 4A extending to a first main surface 2A of the laminate 2, and an underlying layer 5 including a base 5a disposed between the extending portion 4A and the first main surface 2A and metal particles 5b that are contained in the base 5a and that are joined to the outer electrode 4. With this structure, it is possible to provide a capacitor 1 in which warpage is not easily generated in the laminate 2 during sintering.Type: GrantFiled: September 29, 2011Date of Patent: June 3, 2014Assignee: Kyocera CorporationInventor: Hisashi Satou
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Patent number: 8737037Abstract: There are provided a ceramic electronic component and a method of manufacturing the same. The ceramic electronic component includes: a ceramic element; and an internal electrode layer formed within the ceramic element, having a thickness of 0.5 ?m or less, and including a non-electrode region formed therein, wherein an area ratio of the non-electrode region to an electrode region of the internal electrode layer, in a cross section of the internal electrode layer is between 0.1% and 10%, and the non-electrode region includes a ceramic component.Type: GrantFiled: December 21, 2011Date of Patent: May 27, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Han Kim, Hyun Chul Jeong
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Publication number: 20140133199Abstract: A power conversion device for a vehicle includes: a power module that includes a switching device and, upon operation of the switching device, converts DC power into AC power to be supplied to an electric machine for driving a vehicle; a capacitor module that includes a smoothing capacitor element, an input-side power source terminal for receiving DC power, and an output-side power source terminal for supplying DC power to the power module; and a noise removal capacitor for removing noise, wherein: the noise removal capacitor is built in the capacitor module, and the noise removal capacitor is electrically connected to the input-side power source terminal in a position where a distance between a connection position of the noise removal capacitor and the input-side power source terminal is less than a distance between a connection position of the noise removal capacitor and the output-side power source terminal of the capacitor module.Type: ApplicationFiled: January 22, 2014Publication date: May 15, 2014Applicant: Hitachi Automotive Systems, Ltd.Inventors: Takeshi MATSUO, Kinya NAKATSU, Toshiya SATOH, Ken MAEDA
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Patent number: 8724290Abstract: A method of manufacturing an embedded passive device for a microelectronic application comprises steps of providing a substrate (110, 210, 310), nanolithographically forming a first section (121, 221, 321) of the embedded passive device over the substrate, and nanolithographically forming subsequent sections (122, 222, 322) the embedded passive device adjacent to the first section. The resulting embedded passive device may contain features less than approximately 100 nm in size.Type: GrantFiled: November 9, 2011Date of Patent: May 13, 2014Assignee: Intel CorporationInventors: Nachiket R. Raravikar, Rahul Panat
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Patent number: 8721820Abstract: A method for manufacturing a multilayer ceramic electronic component significantly reduces and prevents swelling or distortion when a conductive paste is applied to a green ceramic element body. A ceramic green sheet used in the method satisfies 180.56?A/B wherein A is a polymerization degree of an organic binder contained in the ceramic green sheet, and B is a volume content of a plasticizer contained in the ceramic green sheet.Type: GrantFiled: September 4, 2012Date of Patent: May 13, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Koji Sato, Yukio Sanada, Yasuhiro Nishisaka
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Patent number: 8717739Abstract: A ceramic electronic component includes a substantially rectangular ceramic element assembly, a first external electrode, and a second external electrode. The first external electrode includes at least one plating film including a first plating film disposed directly on the ceramic element assembly from outside. Likewise, the second external electrode includes at least one plating film including a second plating film disposed directly on the ceramic element assembly from outside. The first and second plating films each have a surface area per unit area equal to or larger than about 1.02 in plan view.Type: GrantFiled: March 14, 2012Date of Patent: May 6, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Yoji Yamamoto, Akihiro Motoki, Syunsuke Takeuchi, Makoto Ogawa, Toshiyuki Iwanaga
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Patent number: 8711545Abstract: A multilayered ceramic electronic component includes: a ceramic element having a plurality of dielectric layers laminated therein; first inner electrodes formed on the dielectric layers disposed in upper and lower portions in the ceramic element, the width of a portion of each of the first inner electrodes exposed from one end face of the ceramic element being less than that of a portion thereof disposed within the ceramic element; and second inner electrodes formed on the dielectric layers disposed in the middle portion in the ceramic element, the width of a portion of each of the second inner electrodes exposed from one end face of the ceramic element being equal to that of a portion thereof disposed within the ceramic element.Type: GrantFiled: July 25, 2013Date of Patent: April 29, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Chung Eun Lee, Jae Yeol Choi, Doo Young Kim, Wi Heon Kim
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Publication number: 20140111905Abstract: The invention relates to a contact part (20) for electrically connecting end-face contact layers on the end faces of a plastic film capacitor winding (10) of an encased electric single-phase or three-phase capacitor to a terminal wire (18, 34) or a connecting wire, comprising a preferably flat contact support with a terminal region for contacting a terminal wire (18, 34) or a connecting wire; comprising at least one contact piece (26) with at least one contact tip, said contact piece (26) extending upwards or downwards from the contact support in a substantially vertical manner, in order to establish an electric connection to an end-face contact layer (12, 14) by pressing the contact tip into said end-face contact layer (12, 14); and comprising a penetration depth-limiting device for limiting the penetration depth of the contact tip or the contact tips in the end-face contact layer (12, 14). The invention also relates to encased single-phase and three-phase capacitors comprising said contact part.Type: ApplicationFiled: May 15, 2012Publication date: April 24, 2014Inventor: Hans-Georg Reinbold
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Patent number: RE44998Abstract: At least an embodiment of the present technology provides a capacitor, comprising a substrate, a first solid electrode disposed on the substrate, a second electrode broken into subsections, the subsections connected by a bus line and separated from the first electric by a dielectric medium. The second electrode broken into subsections may have a lower resistance than the first solid electrode and by changing the width and length of the sides of the subsections, the resistance of the first electrode is modifiable.Type: GrantFiled: March 9, 2012Date of Patent: July 8, 2014Assignee: BlackBerry LimitedInventors: James Oakes, James Martin