With Terminal Patents (Class 361/540)
  • Patent number: 8000086
    Abstract: A capacitor element having an upper surface, a lower surface, a first end surface and a second end surface is coated with a cathode layer, except for the first end surface. Anode lead extends out from the first end surface. An anode terminal has a first portion located close to and beneath the lower surface of the capacitor element and has a second portion connected to the anode lead via an arcuate connector. A cathode terminal is disposed under the lower surface of the capacitor element, being spaced from the first portion of the anode terminal. A packaging resin covers the capacitor element, the anode terminal and the cathode terminal. A depression is formed in the anode terminal, which extends from a portion of the anode terminal facing the lower surface of the capacitor element to the inner edge of the anode terminal facing the cathode terminal.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: August 16, 2011
    Assignee: Matsuo Electric Company, Limited
    Inventors: Kazuto Okada, Hiroaki Kotera, Yasunori Kinugawa, Kiyoharu Tsunetoshi, Masatoshi Niki
  • Patent number: 7990685
    Abstract: A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion, and the anode terminal portion is exposed at the bottom surface of the mold resin portion. The rising portion is formed integral with the anode terminal portion, and rises to the anode portion. In the rising portion, a through hole is formed. The cathode lead frame includes a cathode terminal portion, a pair of side surface portions and a step portion. Thus, a solid electrolytic capacitor allowing highly accurate and reliable attachment of the capacitor element to the lead frame without using any additional member is provided.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: August 2, 2011
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Keiko Matsuoka, Shoji Umeda, Yoshiyuki Fushimi, Koji Tezuka
  • Patent number: 7990686
    Abstract: A solid electrolytic capacitor of the present invention includes: a capacitor element having an anode leading part and a cathode leading part; an anode lead frame connected to the anode leading part and a cathode lead frame connected to the cathode leading part; and an packing resin with which the capacitor element is coated, and the anode leading part protrudes from one end face of the capacitor element. The anode lead frame includes: an anode terminal part having an exposed surface exposed from the packing resin, a rising part connected to the anode terminal part, bent toward the anode leading part located in the upper part of the anode terminal part and extending in the packing resin, and a bent part connected to the rising part and bent along a direction which is parallel to a protruding direction of the anode leading part and connected to the anode leading part.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: August 2, 2011
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Keiko Matsuoka, Shoji Umeda
  • Patent number: 7983022
    Abstract: A capacitor is described. The capacitor includes a casing of first and second casing members secured to each other to provide an enclosure, a feedthrough electrically insulated from the casing and extending there from through a glass-to-metal seal, first and second anodes electrically connected to each other within the casing, a cathode, and an electrolyte. The cathode is of a cathode active material deposited on planar faces of the first and second casing members. There is also a cathode current collector disposed intermediate the first and second anodes. The cathode current collector supports cathode active material on both of its major faces and includes a tab that is directly electrically connected to a ferrule of the glass-to-metal seal. That way, the casing is the negative terminal for the cathode and a feedthrough pin extending through the glass-to-metal seal is the positive terminal for the anode of the capacitor.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: July 19, 2011
    Assignee: Greatbatch Ltd.
    Inventors: Laurie M. O'Connor, Kenneth B. Talamine, Keith W. Seitz, Steven Schmidt, Anthony Perez
  • Patent number: 7974077
    Abstract: A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion. The rising portion is formed integral with the anode terminal portion, and extends from the anode terminal portion through the mold resin portion toward the anode portion, and is connected to the anode portion. At the rising portion, a catching recess and a holding portion are formed and, in addition, a first slit is formed downward from the catching recess. Thus, a solid electrolytic capacitor allowing highly accurate and reliable attachment of the capacitor element to the lead frame without using any additional member is provided.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: July 5, 2011
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Keiko Matsuoka, Shoji Umeda
  • Patent number: 7969713
    Abstract: A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion. The rising portion is formed integral with the anode terminal portion, extends from the anode terminal portion through the mold resin and is connected to an anode portion. At the rising portion, a catching portion receiving and supporting the anode portion from below and a hook portion surrounding and holding an outer circumferential surface of the anode portion, with the anode portion received in the catching portion, are formed. Therefore, a solid electrolytic capacitor can be provided, which allows highly accurate attachment of the capacitor element on the lead frame without applying any additional member and reduces equivalent series resistance.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: June 28, 2011
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Keiko Matsuoka, Shoji Umeda
  • Patent number: 7969160
    Abstract: The electrolytic capacitor has an insulating casing, at least one capacitor element and multiple external terminals. The casing has multiple through holes and mounting protrusions. The at least one capacitor element is mounted in the casing and has multiple inner conductive pins connecting to a coil. Each external terminal is attached to a bottom panel of the insulating casing, connects to a corresponding inner conductive pin and has a main body, a connecting portion and two fixing portions. The connecting portion is formed on and extends from a side of the main body and has a conducting hole attached to a corresponding conductive pin. The fixing portions respectively extend from two ends of the main body and engage with the mounting protrusions. Each external terminal provides a soldering surface being flat and having large soldering area, therefore the electrolytic capacitor can be firmly soldered on a circuit board.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: June 28, 2011
    Assignee: Gemmy Electronics Co., Ltd.
    Inventor: Chieh-Fu Lin
  • Patent number: 7969710
    Abstract: Provided is a solid electrolytic capacitor including a capacitor element with a positive polarity; an anode wire of which one side is inserted into the capacitor element and the other side projects outward from the capacitor element; a cathode extraction layer formed on the capacitor element; a plurality of conductive bumps formed on the cathode extraction layer; an anode lead frame fixed to the side of the capacitor element, where the anode wire projects outward, and having an insertion portion into which the projecting end of the anode wire is inserted; a molding portion formed to surround the capacitor element and exposing the projecting end of the anode wire, the outer surface of the anode lead frame, and ends of the conductive bumps; an anode lead terminal provided on the molding portion so as to be electrically connected to the exposed end of the anode wire and the anode lead frame; and a cathode lead terminal provided on the molding portion so as to be electrically connected to the exposed ends of the
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: June 28, 2011
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee Sung Choi, Seoung Jae Lee, Yeoung Jin Lee, Sung Han Won, Ha Yong Jung, Hyun Ho Shin, Jung Tae Park, Jae Youn Jeong
  • Patent number: 7961454
    Abstract: A multi-layered solid electrolytic capacitor and a method of manufacturing the capacitor that improve the product yield drastically by preventing increases in leakage current and defects due to short circuits without increasing manufacturing cost or capacitor size. A multi-layered solid electrolytic capacitor includes: a plurality of capacitor elements, each including an aluminum foil having an anode portion and a cathode portion having a dielectric oxide film and a cathode layer formed in succession on a surface of the aluminum foil, wherein the plurality of capacitor elements are stacked on top of one another, the anode portions of adjacent capacitor elements are welded each other, and the anode portion of one of the outermost capacitor elements is weld-secured to an anode terminal, the multi-layered solid electrolytic capacitor having a first stress alleviating groove and a second stress alleviating groove formed in at least one of weld surfaces of the anode portion.
    Type: Grant
    Filed: December 26, 2005
    Date of Patent: June 14, 2011
    Assignees: Sanyo Electric Co., Ltd., Saga Sanyo Industries Co., Ltd.
    Inventors: Takayuki Matumoto, Tetsuyuki Sakuda
  • Patent number: 7929274
    Abstract: The capacitor has a monolithic anode and at least one anode lead wire extending from the anode. At least one sacrificial lead wire extends from the anode. A dielectric layer is on said anode and a cathode layer is on the dielectric layer. The anode lead wire is in electrical contact with the anode and a cathode lead is in electrical contact with the cathode.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: April 19, 2011
    Assignee: Kemet Electronics Corporation
    Inventors: Erik Reed, David Jacobs, Randolph S. Hahn
  • Patent number: 7929275
    Abstract: A solid electrolytic capacitor (A1) includes a porous sintered body (10) of metal particles or conductive ceramic particles, anode wires (11A, 11B) partially inserted in the porous sintered body (10), an anode terminal provided by portions of the anode wires (11A, 11B) which project from the porous sintered body (10), and a cathode (30) formed on an obverse surface of the porous sintered body (10). The anode terminal includes a first and a second anode terminals (11a, 11b), and circuit current flows from the first anode terminal (11a) toward the second anode terminal (11b) through the porous sintered body (10). Therefore, noise cancellation property can be enhanced with respect to a wide frequency band, and large electric power can be supplied with high responsiveness. In a circuit using the solid electrolytic capacitor (A1), the space efficiency on a board can be enhanced, and the cost can be reduced.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: April 19, 2011
    Assignee: Rohm Co., Ltd.
    Inventor: Chojiro Kuriyama
  • Patent number: 7916457
    Abstract: A multi-layered solid electrolytic capacitor including capacitor elements, each comprising an anode body having an anode portion and a cathode portion having a dielectric oxide film and a cathode layer formed in succession on a surface of the anode body, the capacitor elements being stacked on top of one another and the anode portions being weld-secured to anode mounting surfaces of anode mounting parts provided in an anode terminal. The multi-layered solid electrolytic in which the anode mounting parts are provided such that the anode mounting parts are disposed parallel to each other, and adjacent anode mounting parts are joined to each other by a joint part.
    Type: Grant
    Filed: December 26, 2005
    Date of Patent: March 29, 2011
    Assignees: Sanyo Electric Co., Ltd., Saga Sanyo Industries Co., Ltd.
    Inventors: Kazutoyo Horio, Shinji Arimori
  • Publication number: 20110051324
    Abstract: A solid electrolytic capacitor according to the present invention includes a solid electrolyte type capacitor element including a dielectric layer intervening between an anode section and a cathode section, an anode terminal connected electrically to the anode section of the capacitor element through a pad member, and a cathode terminal connected electrically to the cathode section of the capacitor element. Here, the pad member is formed by performing a cutting process on a metal plate. The pad member includes a cutting surface produced by the cutting process, and the cutting surface forms a joint surface joined to the anode section of the capacitor element and a joint surface joined to the anode terminal.
    Type: Application
    Filed: August 6, 2010
    Publication date: March 3, 2011
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventor: Hayatoshi Ihara
  • Patent number: 7894178
    Abstract: A through hole capacitor at least including a substrate, an anode layer, a dielectric layer, a first cathode layer, and a second cathode layer is provided. The substrate has a plurality of through holes. The anode layer is disposed on the inner surface of at least one through hole, and the surface of the anode layer is a porous structure. The dielectric layer is disposed on the porous structure of the anode layer. The first cathode layer covers a surface of the dielectric layer. The second cathode layer covers a surface of the first cathode layer, and the conductivity of the second cathode layer is greater than that of the first cathode layer. The through hole capacitor can be used for impedance control, as the cathode layers of the through hole are used for signal transmission.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: February 22, 2011
    Assignee: Industrial Technology Research Institute
    Inventors: Bang-Hao Wu, Li-Duan Tsai, Min-Lin Lee, Cheng-Liang Cheng
  • Publication number: 20110032662
    Abstract: A solid electrolytic capacitor according to the present invention includes a solid electrolyte type capacitor element including a dielectric layer intervening between an anode section and a cathode section, an anode terminal connected electrically to the anode section of the capacitor element through a pad member, and a cathode terminal connected electrically to the cathode section of the capacitor element. Here, on facing surfaces of the pad member and the anode terminal, a joint part which joins the pad member and the anode terminal electrically is formed at a position adjacent to a first lateral surface of the pad member located on the cathode terminal side, and a second lateral surface of the pad member on the opposite side to the first lateral surface and a partial area of a lateral end surface of the anode terminal are flush with each other.
    Type: Application
    Filed: July 30, 2010
    Publication date: February 10, 2011
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventor: Hayatoshi Ihara
  • Patent number: 7876548
    Abstract: Disclosed are a niobium solid electrolytic capacitor capable of reducing leak current that may occur in high heat treatment in a reflow process and capable of preserving the capacity before and after heat treatment, and a method for producing it. The niobium solid electrolytic capacitor comprises an anode containing an oxide of niobium monoxide or niobium dioxide and a metal of niobium or a niobium alloy, a dielectric layer formed on the surface of the anode, and a cathode formed on the dielectric layer, wherein the dielectric layer contains fluorine.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: January 25, 2011
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Yasumi Kobayashi, Takashi Umemoto, Hiroshi Nonoue
  • Publication number: 20110007451
    Abstract: A stacked solid electrolytic capacitor with positive multi-pin structure includes a plurality of capacitor units, a substrate unit and a package unit. The positive electrode of each capacitor unit has a positive pin extended outwards therefrom. The positive pins are divided into a plurality of positive pin units that are separated from each other and electrically stacked onto each other. The negative electrode of each capacitor unit has a negative pin extended outwards therefrom. The negative pins are divided into a plurality of negative pin units. The negative pin units are separated from each other and the negative pins of each negative pin unit are electrically stacked onto each other. The substrate unit has a positive guiding substrate electrically connected to the positive pins and a negative guiding substrate electrically connected to the negative pins. The package unit covers the capacitor units and one part of the substrate unit.
    Type: Application
    Filed: November 30, 2009
    Publication date: January 13, 2011
    Applicant: APAQ TECHNOLOGY CO., LTD.
    Inventors: Yui-Shin Fran, Ching-Feng Lin, Chi-Hao Chiu, Chun-Chia Huang, Wen-Yen Huang
  • Patent number: 7869190
    Abstract: A solid electrolytic capacitor according to the present invention has: a capacitor element (30) having an anode terminal (31) protruding; a resin sheath (6) that covers the capacitor element (30); an anode lead frame (1) having an anode-side terminal surface (10) that is connected to a tip section of the anode terminal (31) of the capacitor element (30) and exposed from the resin sheath (6); and a cathode lead frame (2). The anode lead frame (1) includes, in a portion thereof embedded in the resin sheath (6), a spaced frame section (13) that extends along the anode terminal (31) at a distance from the anode terminal (31) and a bonding frame section (11) that protrudes from a center portion of the spaced frame section (13) to the anode terminal (31) and is bonded to the anode terminal (31).
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: January 11, 2011
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Keiko Matsuoka, Kazuhiro Kato, Hiroyuki Okuda, Koso Ishihara
  • Patent number: 7858416
    Abstract: An LED package structure includes a first LED chip, a second LED chip arranged on the minor light-emitting surface of the first LED chip, a conductive unit connected between the electrode areas for parallel or serially connecting the two LED chips together, and two external electric conduction units for electrically connecting both the first and second electrode areas of the first LED chip with an external circuit.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: December 28, 2010
    Inventor: Yu-Nung Shen
  • Patent number: 7852614
    Abstract: The invention provides a solid electrolytic capacitor wherein the anode has a dielectric oxide film of a structure less susceptible to damage due to mechanical stresses and which is diminished in leakage current and less prone to short-circuiting, and a process for fabricating the capacitor. The capacitor of the invention comprises an anode of aluminum having a dielectric oxide film formed over a surface thereof from amorphous alumina, and is characterized in that a plurality of tunnel-shaped etching pits are formed in the anode.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: December 14, 2010
    Assignees: Sanyo Electric Co., Ltd., Saga Sanyo Industries Co., Ltd., Japan Capacitor Industrial Co., Ltd.
    Inventors: Kazumasa Fujimoto, Hiromu Saito, Yasushi Yoshida, Yukio Takeda
  • Patent number: 7843681
    Abstract: A solid electrolytic capacitor element includes an anode foil, a solid electrolytic layer, a cathode foil, and a connection portion. The anode foil is composed of valve metal and has at least one through hole passing therethrough in thickness direction thereof. The solid electrolytic layer is made of conductive polymer and is provided on a surface of the anode foil. The cathode foil is provided on a surface of the solid electrolytic layer. The connection portion is provided in the through hole and electrically connects a first solid electrolytic layer and a second solid electrolytic layer, the first solid electrolytic layer being a region of the solid electrolytic layer on one face of the anode foil, the second solid electrolytic layer being another region of the solid electrolytic layer on the other face of the anode foil.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: November 30, 2010
    Assignee: Nichicon Corporation
    Inventors: Hidetoshi Ishizuka, Toshiyuki Mizutani, Tadayuki Echigo, Fumihiro Takahashi
  • Publication number: 20100296228
    Abstract: The electrolytic capacitor has an insulating casing, at least one capacitor element and multiple external terminals. The casing has multiple through holes and mounting protrusions. The at least one capacitor element is mounted in the casing and has multiple inner conductive pins connecting to a coil. Each external terminal is attached to a bottom panel of the insulating casing, connects to a corresponding inner conductive pin and has a main body, a connecting portion and two fixing portions. The connecting portion is formed on and extends from a side of the main body and has a conducting hole attached to a corresponding conductive pin. The fixing portions respectively extend from two ends of the main body and engage with the mounting protrusions. Each external terminal provides a soldering surface being flat and having large soldering area, therefore the electrolytic capacitor can be firmly soldered on a circuit board.
    Type: Application
    Filed: May 20, 2009
    Publication date: November 25, 2010
    Applicant: GEMME ELECTRONICS CO., LTD.
    Inventor: Chieh-Fu Lin
  • Patent number: 7830647
    Abstract: The capacitor has a capacitor element, a tubular metallic case, an electrolyte, and a terminal plate. The case contains the capacitor element and is joined to a first electrode of the capacitor element at its inner bottom surface. The terminal plate is joined to the second electrode of the capacitor element and seals the opening of the case. At least one of the terminal plate and the case is provided with a through hole, into which a hermetic plug made of a rubber-like elastic body and having an external diameter larger than a diameter of the through hole is inserted.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: November 9, 2010
    Assignee: Panasonic Corporation
    Inventors: Teruhisa Miura, Hideki Shimamoto, Shusaku Kawasaki, Masayuki Shinjou
  • Patent number: 7826200
    Abstract: A fused electrolytic capacitor assembly that offers improved performance characteristics in a convenient and space-saving package is provided. More specifically, the fused electrolytic capacitor assembly contains an electrolytic capacitor element and a resettable fuse contained within a case. The capacitor assembly also contains a stress absorbing material that is positioned adjacent to and in contact with the resettable fuse. By selecting a stress absorbing material having a certain modulus and a certain degree of inherent flexibility, the present inventors believe the resettable fuse is better able to expand to its full capacity upon exposure to an excessive current. In this manner, the resettable fuse is able to better function during use.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: November 2, 2010
    Assignee: AVX Corporation
    Inventor: Ivan Pascenko
  • Publication number: 20100259868
    Abstract: A chip type solid electrolytic capacitor includes a capacitor element-laminate. In the capacitor element-laminate, a plurality of capacitor elements, each having an anode portion and a cathode portion, are laminated so that the anode portions of the adjacent capacitor elements are disposed in the direction opposite to each other. Anode lead terminals are joined to the bottom faces of the anode portions of the capacitor elements disposed at both ends of the capacitor element-laminate. A cathode lead terminal is joined to the bottom face of the cathode portion of the capacitor element disposed in the center of the capacitor element-laminate. An Electrically insulating exterior resin coats the capacitor element-laminate so as to expose at least a part of the bottom faces of the anode lead terminals and a part of the cathode lead terminal.
    Type: Application
    Filed: June 23, 2010
    Publication date: October 14, 2010
    Applicant: Panasonic Corporation
    Inventors: Tatsuo Fujii, Junichi Kurita, Hiroshi Fujii, Tsuyoshi Yoshino
  • Patent number: 7808773
    Abstract: To provide electronic parts having a platy terminal secured through a conductive adhesive layer onto a device, which electronic parts are low in ESR and excel in the bonding strength between device and terminal. The conductive adhesive contains a flat conductive member and an organic solvent and is characterized in that through vaporization of the organic solvent in vacuum atmosphere, the flat conductive member has a region standing in the direction of thickness of the conductive adhesive layer. Further, the conductive adhesive is characterized by containing portion wherein the angle between the platy terminal and the flat plane of conductive member is ?45°.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: October 5, 2010
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Atsushi Furuzawa, Kohei Goto
  • Patent number: 7796397
    Abstract: Provided is an electronic components assembly capable of effectively dealing with unwanted charge accumulated in a capacitor even when general-purpose components are used. An assembly 10 includes an electrolytic capacitor 1, a coil lead 4, and a circuit mounting board 5. The electrolytic capacitor 1 includes a main body 1a, an anode lead 2, and a cathode lead 3. The coil lead 4 is wrapped around the main body 1a. The circuit mounting board 5 has the electrolytic capacitor 1 and the coil lead 4 mounted thereon. The coil lead 4 is connected to a ground of the circuit mounting board 5.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: September 14, 2010
    Assignee: Panasonic Corporation
    Inventors: Hideaki Yamauchi, Masayuki Asai, Shuusaku Yamamoto, Takashi Sakaguchi, Takashi Yamamoto
  • Patent number: 7778011
    Abstract: A chip type solid electrolytic capacitor includes a capacitor element-laminate. In the capacitor element-laminate, a plurality of capacitor elements, each having an anode portion and a cathode portion, are laminated so that the anode portions of the adjacent capacitor elements are disposed in the direction opposite to each other. Anode lead terminals are joined to the bottom faces of the anode portions of the capacitor elements disposed at both ends of the capacitor element-laminate. A cathode lead terminal is joined to the bottom face of the cathode portion of the capacitor element disposed in the center of the capacitor element-laminate. An Electrically insulating exterior resin coats the capacitor element-laminate so as to expose at least a part of the bottom faces of the anode lead terminals and a part of the cathode lead terminal.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: August 17, 2010
    Assignee: Panasonic Corporation
    Inventors: Tatsuo Fujii, Junichi Kurita, Hiroshi Fujii, Tsuyoshi Yoshino
  • Patent number: 7773367
    Abstract: A capacitor and a method for assembling a capacitor. A capacitor is assembled from a case, which contains an anode that is electrically coupled to the case and defines wells or slots receiving a plurality of cathode plates. A header is placed on the case. The header also supports a glass seal that insulates the lead tube and cathode lead coming from the cathode. Once assembled, the capacitor is filled with electrolyte. A weld extends around the header to secure the header to the case. A bent cathode configuration enables a plurality of cathode plates electrically coupled together from a common cathode plate.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: August 10, 2010
    Assignee: Tantalum Pellet Company
    Inventor: Todd Knowles
  • Publication number: 20100195272
    Abstract: A multilayer electrolytic capacitor has a laminated body in which anode foils and cathode foils are alternately laminated with separators in between, and a lead member connected to corresponding electrode foils among the anode foils and cathode foils. Each of the anode foils and each of the cathode foils have their respective main electrode portions opposed to each other through the separator and their respective lead portions led from the associated main electrode portions. Each lead portion includes an end face intersecting with a direction in which the lead portions are led, and a side face intersecting with the end face and extending in a lamination direction in the laminated body. The lead member has a first portion extending in the direction in which the lead portions are led, and a second portion intersecting with the first portion and extending in the lamination direction. The second portion of the lead member is connected to the side faces of the lead portions.
    Type: Application
    Filed: January 14, 2010
    Publication date: August 5, 2010
    Applicant: TDK CORPORATION
    Inventor: Hiroaki HASEGAWA
  • Publication number: 20100182735
    Abstract: A surface-mountable electrolytic capacitor with improved volumetric efficiency includes an electrolytic capacitor element, anode and cathode terminations, an encapsulation material and external terminations. The capacitor element has first and second opposing end surfaces and an anode wire extending from the first end surface that is electrically connected to a first anode termination portion. A first cathode termination portion is conductively adhered to a surface of the capacitor element, and a second portion is perpendicular to the first portion and parallel to the second end surface of the capacitor element. Encapsulating material surrounds the capacitor element to form a device package that is subsequently diced to improve volumetric efficiency and optionally expose the anode and cathode terminations on opposing end surfaces. First and second external terminations may be formed over the exposed portions of anode and cathode terminations to wrap around to one or more given surfaces of the device package.
    Type: Application
    Filed: January 22, 2009
    Publication date: July 22, 2010
    Applicant: AVX CORPORATION
    Inventors: Ladislav Marek, Stanislav Zednicek, Jaroslav Tomasko, Jiri Navratil
  • Publication number: 20100177463
    Abstract: A first lead frame has a cathode connection portion connected via a first electrically conductive member to a cathode portion, and a first connection portion having a first connection surface, and is at least partially, externally exposed. A second lead frame has a supporting connection portion connected via a second electrically conductive member to the cathode portion, and a second connection portion having a second connection surface facing the first connection surface. A third electrically conductive member interconnects the first and second connection portions. A solid electrolytic capacitor that can achieve low cost and high production yield can thus be provided.
    Type: Application
    Filed: December 22, 2009
    Publication date: July 15, 2010
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Akinari Kurokawa, Yoshikazu Hirata, Takuji Yoshitomi
  • Publication number: 20100114214
    Abstract: An implantable cardioverter defibrillator (“ICD”) comprises a battery, control circuitry and a capacitor assembly. The capacitor assembly includes at least one capacitor, a flex circuit for connection to the control circuitry of the ICD and a first and second support portions. The flex circuit is arranged between the first and second support portions and includes a plurality of tangs for connecting to the anode and cathode of the capacitor(s), as well as to the control circuitry of the ICD.
    Type: Application
    Filed: October 28, 2009
    Publication date: May 6, 2010
    Applicant: MEDTRONIC, INC.
    Inventors: Douglas James Morelli, William Richard Schildgen, Stephen Hall, Wen Tan
  • Publication number: 20100103591
    Abstract: A solid electrolytic capacitor comprises a capacitor element from which an anode lead projects forward and having a surface on which a cathode layer is formed, an exterior resin covering the capacitor element, and anode and cathode terminals including, respectively, an anode and cathode terminal surfaces which are exposed from a bottom surface of the exterior resin. The anode terminal is formed from one metal plate, and comprises a terminal part forming the anode terminal surface, a folded part folded back at a side edge of the terminal part and arranged over a top surface of the terminal part, and an upright part bent vertically to the top surface of the terminal part at a front edge or a rear edge of a tip end part of the folded part. A tip end part of the anode lead is electrically connected to a tip end of the upright part.
    Type: Application
    Filed: October 19, 2009
    Publication date: April 29, 2010
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Eizo Fujii, Kazuhiro Kato, Hiroya Nishimoto, Shoji Umeda, Koji Tezuka
  • Patent number: 7706131
    Abstract: A solid electrolytic capacitor (A) includes a first porous sintered body (1A) made of valve metal, anode conduction members (21A, 21B) electrically connected to the first porous sintered body (1A), surface-mounting anode terminals (3A, 3B) electrically connected to the anode conduction members (21A, 21B), surface-mounting cathode terminals, and a second porous sintered body (1B) made of valve metal and intervening between the first porous sintered body (1A) and the anode conduction members (21A, 21B).
    Type: Grant
    Filed: November 25, 2005
    Date of Patent: April 27, 2010
    Assignee: Rohm Co., Ltd.
    Inventor: Chojiro Kuriyama
  • Patent number: 7706133
    Abstract: A solid electrolytic capacitor includes a capacitor element, an anode-side lead terminal connected to an anode of the capacitor element, a cathode-side lead terminal connected to a cathode of the capacitor element, and an armor covering the capacitor element and having an electrical insulating property. The armor has two principal faces opposed to each other, and two side faces connecting the two principal faces and opposed to each other. The anode-side lead terminal has at least a first terminal portion exposed in one of the principal faces. The cathode-side lead terminal has at least a first terminal portion exposed in the one of the principal faces, and a second terminal portion exposed in the one of the principal faces and extending from the first terminal portion so as to be exposed in either of the two side faces. The solid electrolytic capacitor satisfies the following relation: W/G?1.
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: April 27, 2010
    Assignee: TDK Corporation
    Inventors: Masaaki Togashi, Masaaki Kobayashi
  • Patent number: 7696002
    Abstract: Disclosed herein is a method for manufacturing a feed thru for use in an electrolytic capacitor case. First, an electrode is inserted into a liquid injection mold. Liquid elastomer is then injected into the mold to surround a portion of the electrode. The elastomer is cured, and the resulting electrode and feed thru combination is inserted into a machined hole in a capacitor case. The machined hole may be located on either the base or the lid of the capacitor case. In other embodiments, a ferrule may also be placed in the liquid injection mold prior to injecting liquid elastomer. When a ferrule is used, the assembly may be welded into a machined hole in a capacitor case.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: April 13, 2010
    Assignee: Pacesette, Inc.
    Inventors: Bruce Ribble, Thomas Davis, Wallace K. Hall
  • Patent number: 7688571
    Abstract: A solid electrolytic capacitor includes a base substrate, a capacitor element, a metal cap, an extractor terminal and an insulating member. The base substrate has electrical conductivity. The capacitor element is provided on the base substrate. The metal cap is coupled to the base substrate and covers the capacitor element. The extractor terminal passes through the base substrate, is coupled to an anode of the capacitor element, and includes a first conductive member acting as a core member and a second conductive member covering the first conductive member. The insulating member is provided between the base substrate and the extractor terminal. Electrical conductivity of the first conductive member is higher than that of the second conductive member. Thermal expansion coefficient of the second conductive member is less than that of the insulating member.
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: March 30, 2010
    Assignee: Nichicon Corporation
    Inventors: Hidetoshi Ishizuka, Toshiyuki Mizutani, Minoru Funahashi, Tadayuki Echigo
  • Patent number: 7656647
    Abstract: Surface mount electrolytic capacitors are provided with anode and cathode terminations having respective first termination portions provided on the bottom surface of a molded package in a generally coplanar configuration. A second cathode termination portion is bent in a generally perpendicular fashion to the first cathode termination portion and may then be adhered to the external cathode layer of a capacitor body. A second anode termination portion is bent in a generally perpendicular fashion to the first anode termination portion and may then be welded to an anode wire connected to and extending from the capacitor body. An insulation pad may be provided between the first anode termination portion and the capacitor body to prevent device shorting. A planar termination frame may be provided to form the electrolytic capacitors of the present subject matter.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: February 2, 2010
    Assignee: AVX Corporation
    Inventors: Douglas M. Edson, Glenn M. Vaillancourt, Walter Koda, Scott A. McCarthy, James A. Fife
  • Patent number: 7646589
    Abstract: A solid electrolytic capacitor (A1) includes a first and a second anode terminals (11a, 11b) projecting in different directions from each other. Preferably, a metal cover (22) for electrically connecting the anode terminals (11a, 11b) to each other is provided. With such an arrangement, the ESR and the ESL can be reduced, and the high frequency characteristics can be enhanced.
    Type: Grant
    Filed: February 3, 2005
    Date of Patent: January 12, 2010
    Assignee: Rohm Co., Ltd.
    Inventor: Chojiro Kuriyama
  • Patent number: 7633740
    Abstract: Provided is a solid electrolytic capacitor including a capacitor element with a positive polarity; an anode wire of which one end is inserted into the capacitor element and the other end projects outward from the capacitor element; a cathode extraction layer formed on the capacitor element; a plurality of conductive bumps formed on the cathode extraction layer; a molding portion formed to surround the capacitor element and exposing the projecting end of the anode wire and ends of the conductive bumps; an anode lead terminal provided on the molding portion so as to be electrically connected to the exposed end of the anode wire; and a cathode lead terminal provided on the molding portion so as to be electrically connected to the exposed ends of the conductive bumps.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: December 15, 2009
    Assignee: Samsung Electro-Mechanics Co. Ltd.
    Inventors: Hee Sung Choi, Seoung Jae Lee, Yeoung Jin Lee, Sung Han Won, Ha Yong Jung, Hyun Ho Shin, Jung Tae Park, Jae Youn Jeong
  • Publication number: 20090296318
    Abstract: A solid electrolytic capacitor includes a negative terminal, first to fourth capacitor elements coupled to the negative terminal, first and second positive terminals connected to the first to fourth capacitor elements, and a package resin covering the first to fourth capacitor elements. Each of the first to fourth capacitor elements has a first end and a second end opposite to the first end, and each of the first to fourth capacitor elements includes a negative electrode provided at the first end and a positive electrode provided at the second end. The first to fourth capacitor elements are stacked in this order. The positive electrodes of the first and fourth capacitor elements extend in a first direction from the respective negative electrodes of the first and fourth capacitor elements. The positive electrodes of the second and third capacitor elements extend in a second direction, opposite to the first direction, from the respective negative electrodes of the second and third capacitor elements.
    Type: Application
    Filed: June 1, 2009
    Publication date: December 3, 2009
    Applicant: PANASONIC CORPORATION
    Inventors: Kazuo Kawahito, Minoru Oomori, Junichi Kurita, Masatoshi Tasei, Masato Ozawa
  • Patent number: 7619876
    Abstract: A solid electrolytic capacitor includes a porous sintered body made of a valve-acting metal and embedded with part of an anode lead having a protruding portion, a solid electrolyte layer formed in contact with a dielectric layer formed in the porous sintered body, a mounting anode terminal member, a mounting cathode terminal member, and an insulating casing resin. The capacitor further includes a small piece of a metal frame made of a valve-acting metal. This small piece of the metal frame is formed integrally with the protruding portion of the anode lead by cutting, after the anodic oxidation, the metal frame to which the protruding portion of the anode lead is fixed by resistance welding. The small piece of the metal frame and the mounting anode terminal member are connected together by wire bonding so that the anode lead and the mounting anode terminal member are electrically connected together.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: November 17, 2009
    Assignee: NEC TOKIN Corporation
    Inventors: Kunihiko Shimizu, Takashi Mizukoshi, Koji Sakata
  • Patent number: 7619874
    Abstract: An apparatus comprising a capacitor stack, including one or more substantially planar anode layers, and one or more substantially planar cathode layers. Additionally, the capacitor has a case having a first opening and a second opening, the first opening sized for passage of the capacitor stack, and a cover substantially conforming to the first opening and sealingly connected to the first opening. Also, the capacitor includes a plate substantially conforming to the second opening and sealingly connected to the second opening, the plate defining an aperture. Additionally, the capacitor includes a plug substantially conforming to the aperture in the plate, the plug sealingly connected to the plate. The capacitor stack is disposed in the case, and the terminal is in electrical connection with the case and at least one capacitor electrode.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: November 17, 2009
    Assignee: Cardiac Pacemakers, Inc.
    Inventor: Brian L. Schmidt
  • Patent number: 7619875
    Abstract: Provided is a solid electrolytic capacitor including a capacitor element with a positive polarity; an anode wire inserted and connected to a lower portion of the capacitor element; a cathode extraction layer formed on the capacitor element; an anode lead frame provided on one side of the lower surface of the capacitor element so as to be electrically insulated from the cathode extraction layer, the anode lead frame having an insertion portion into which a projecting lower portion of the anode wire is inserted; a cathode lead frame provided on the other side of the lower surface of the capacitor element so as to be electrically connected to the cathode extraction layer; a molding portion formed to surround the capacitor element and exposing the lower end surface of the anode wire, the lower surface of the anode lead frame, and the lower surface of the cathode lead frame; an anode lead terminal provided on the molding portion so as to be electrically connected to the lower end surface of the anode wire and the
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: November 17, 2009
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee Sung Choi, Seoung Jae Lee, Yeoung Jin Lee, Sung Han Won, Ha Yong Jung, Hyun Ho Shin, Jung Tae Park, Jae Youn Jeong
  • Patent number: 7616082
    Abstract: The electromagnetic relay of the present invention comprises a base (10), an electromagnet (20) disposed on the base, an armature (30) supported rotatably by the base, a movable spring (40) whose one end has a movable contact (41) and the opposite end is secured to the base, a fixed contact (51) disposed opposite to the movable contact, and a card (60). The card has a coupling part (61) to be coupled to the armature and an insertion hole (62) to which the one end of the movable spring is inserted, and it deforms the movable spring elastically in conjunction with a swing motion of the armature to selectively open or close a connection between the movable contact and the fixed contact. The movable spring has a U-shaped hook formed by bending the one end of the movable spring toward the opposite end side, and the hook can pass through the insertion hole while being pushed by an inner surface of the insertion hole and being deformed elastically, and an end of the hook is engaged with the card.
    Type: Grant
    Filed: July 11, 2005
    Date of Patent: November 10, 2009
    Assignee: Matsushita Electric Works, Ltd.
    Inventor: Yoshimasa Katou
  • Patent number: 7599169
    Abstract: An aspect of the present invention provides a method of manufacturing a solid electrolytic capacitor. The solid electrolytic capacitor includes an anode made of valve action metal, a dielectric layer, a solid electrolytic layer, a cathode conductive layer, and a cathode terminal. The method forms the cathode conductive layer by forming a conductive paste and conductive adhesive between the solid electrolytic layer and the cathode terminal and then simultaneously hardening the conductive paste and the conductive adhesive.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: October 6, 2009
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuhiro Takatani, Mamoru Kimoto
  • Publication number: 20090237865
    Abstract: The invention relates to a solid electrolytic capacitor, obtained by bonding a capacitor element to a lead frame, especially a lead frame having a partial plating of low-melting point metal which is provided by applying taping on some part of the lead frame. The solid electrolytic capacitor of the invention is excellent in heat resistance and has high degree of completion of resin encapsulation, which contributes to its excellent moisture resistance. Also, since a lead frame with low-melting point metal plating can be used, no further plating process is required and in case of using resistance welding method, a solid electrolytic capacitor can be obtained easily through anodic bonding in stacking elements.
    Type: Application
    Filed: October 31, 2006
    Publication date: September 24, 2009
    Applicant: Showa Denko K.K.
    Inventors: Eiji Komazawa, Hirokazu Murakoshi
  • Publication number: 20090237867
    Abstract: A solid electrolytic capacitor according to the present invention comprises a capacitor element including an anode lead-out part and a cathode lead-out part, an anode lead frame connected to the anode lead-out part via a conductive member, and a cathode lead frame connected to the cathode lead-out part, and the anode lead frame is connected to the anode lead-out part via an anode side assistance frame in addition to said conductive member.
    Type: Application
    Filed: March 16, 2009
    Publication date: September 24, 2009
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventor: Akinari KUROKAWA
  • Publication number: 20090237868
    Abstract: A capacitor device comprises first and second substrates and a capacitor element that comprises an anode portion and a cathode portion. The first substrate has a first inner surface and a first outer surface and is provided with a first inner anode terminal, a first inner cathode terminal, a first outer anode terminal and a first outer cathode terminal. The capacitor element is mounted on the first inner surface of the first substrate. The first inner anode terminal and the first inner cathode terminal are formed on the first inner surface and are electrically connected to the anode portion and the cathode portion, respectively. The first outer anode terminal and the first outer cathode terminal are formed on the first outer surface and are electrically connected to the first inner anode terminal and the first inner cathode terminal, respectively.
    Type: Application
    Filed: March 17, 2009
    Publication date: September 24, 2009
    Applicant: NEC TOKIN Corporation
    Inventors: Masanori TAKAHASHI, Koji Sakata, Katsuhiro Yoshida