公开(公告)号：US20240282534A1

公开(公告)日：2024-08-22

申请号：US18569030

申请日：2022-07-05

申请人： RUBYCON CORPORATION ,  YOKO-TOYO METALS CO., LTD.

发明人： Tsutomu KANEKO ,  Yoshishige SAKURAI

IPC分类号： H01G9/052 ,  H01G9/035 ,  H01G9/045

CPC分类号： H01G9/0525 ,  H01G9/035 ,  H01G9/045

摘要： The present invention addresses a problem of providing an electrolytic capacitor with which an etching treatment of an electrode material is not required and with which it is possible to achieve higher capacitance than conventional electrolytic capacitors using electrode foils having surface areas increased only by etching. This electrolytic capacitor, as a solution, includes a capacitor element having an anode foil, a cathode foil, and separators interposed between the anode foil and the cathode foil; and an electrolytic solution impregnated in the capacitor element, wherein the anode foil or the cathode foil has a sintered material formed with sintered particles of power of at least one kind of aluminum and an aluminum alloy.

公开(公告)号：US11837415B2

公开(公告)日：2023-12-05

申请号：US17570427

申请日：2022-01-07

申请人： KYOCERA AVX Components Corporation

发明人： Jan Petrzilek ,  Hiromasa Noborio ,  Jiri Navratil ,  Junichi Murakami

IPC分类号： H01G9/15 ,  H01G9/012 ,  H01G9/052 ,  H01G9/08 ,  H01G9/028 ,  H01G9/04

CPC分类号： H01G9/15 ,  H01G9/012 ,  H01G9/028 ,  H01G9/0525 ,  H01G9/08 ,  H01G2009/05

摘要： A solid electrolytic capacitor comprising a capacitor element, anode lead extending from a surface of the capacitor element, an anode termination that is in electrical connection with the anode lead, a cathode termination that is in electrical connection with the solid electrolyte, and a casing material that encapsulates the capacitor element and anode lead is provided. A barrier coating is disposed on at least a portion of the capacitor element and is in contact with the casing material. The coating contains a polymeric material that includes a fluorinated component and a non-fluorinated component. The polymeric material has a glass transition temperature of from about 10° C. to about 120° C. and a thermal decomposition temperature of about 200° C. to about 300° C.

公开(公告)号：US11763999B2

公开(公告)日：2023-09-19

申请号：US17562098

申请日：2021-12-27

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： Yukiyasu Sugihara ,  Norihiko Ogata ,  Kazuhide Gotou ,  Yuma Yano ,  Yuki Ueda ,  Takeshi Minamiura ,  Masayuki Hogiri

IPC分类号： H01G9/052 ,  H01G9/00 ,  H01G9/15

CPC分类号： H01G9/0525 ,  H01G9/0032 ,  H01G9/15

摘要： An electrolytic capacitor includes an anode body having a porous structure, an anode lead partially embedded in the anode body, a dielectric layer formed on a surface of the anode body, and a cathode part that covers at least part of the dielectric layer. The anode body has a first region in which first particles sintered together and a second region in which second particles sintered together. The average particle diameter D1 of the first particles is smaller than the average particle diameter D2 of the second particles. The volume-based pore diameter distribution of the anode body with the dielectric layer has a first peak in a range of less than or equal to 0.5 μm in pore diameter, and a second peak in a range of more than 0.5 μm in pore diameter.

公开(公告)号：US10014120B2

公开(公告)日：2018-07-03

申请号：US15362005

申请日：2016-11-28

申请人： AVX Corporation

发明人： Martin Biler ,  Jan Petrzilek ,  Ivana Zednickova

IPC分类号： H01G9/15 ,  H01G9/10 ,  H01G9/012 ,  H01G9/042 ,  H01G4/228 ,  H01G9/052 ,  H01G13/00 ,  H01G9/00 ,  H01G9/032 ,  H01G9/06 ,  H01G9/08 ,  H01G2/06 ,  H01G9/04

CPC分类号： H01G9/10 ,  H01G2/065 ,  H01G4/228 ,  H01G9/0036 ,  H01G9/012 ,  H01G9/032 ,  H01G9/042 ,  H01G9/0525 ,  H01G9/06 ,  H01G9/08 ,  H01G9/15 ,  H01G13/003 ,  H01G2009/05

摘要： A capacitor assembly for use in high voltage and high temperature environments is provided. More particularly, the capacitor assembly includes a capacitor element containing an anodically oxidized porous, sintered body that is coated with a manganese oxide solid electrolyte. To help facilitate the use of the capacitor assembly in high voltage (e.g., above about 35 volts) and high temperature (e.g., above about 175° C.) applications, the capacitor element is enclosed and hermetically sealed within a housing in the presence of a gaseous atmosphere that contains an inert gas. It is believed that the housing and inert gas atmosphere are capable of limiting the amount of moisture supplied to the manganese dioxide. In this manner, the solid electrolyte is less likely to undergo an adverse reaction under extreme conditions, thus increasing the thermal stability of the capacitor assembly. In addition to functioning well in both high voltage and high temperature environments, the capacitor assembly of the present invention may also exhibit a high volumetric efficiency.

公开(公告)号：US20180160539A1

公开(公告)日：2018-06-07

申请号：US15877554

申请日：2018-01-23

申请人： AVX Corporation

发明人： Glenn Vaillancourt ,  Ken Moulton ,  Scott McCarthy ,  Jason Laforge

IPC分类号： H05K1/18 ,  H01G9/08 ,  H05K3/30 ,  H01G9/26 ,  H01G9/15 ,  H01G9/028 ,  H01G9/07 ,  H01G9/052 ,  H01G9/042

CPC分类号： H05K1/181 ,  H01G9/012 ,  H01G9/028 ,  H01G9/042 ,  H01G9/0425 ,  H01G9/048 ,  H01G9/0525 ,  H01G9/07 ,  H01G9/08 ,  H01G9/15 ,  H01G9/26 ,  H05K3/303 ,  H05K2201/10015

摘要： A module containing a plurality of active capacitors and a sacrificial capacitor is provided. The active capacitors and sacrificial capacitor are aligned along a horizontal direction so that the side surfaces of their cases are parallel to each other. The particular arrangement of the active capacitors and sacrificial capacitor results in a module configuration where the anode terminations for the active capacitors and an external component of the lead frame for the sacrificial capacitor are coplanar so that the module can be mounted to a circuit board via the anode terminations and the external component of the lead frame in a mechanically and electrically stable manner. Further, the center of gravity of the module in the length and/or width directions can be located at a midpoint of the overall module length and/or width, which enhances the stability of the module when mounted to a circuit board.

公开(公告)号：US20180047515A1

公开(公告)日：2018-02-15

申请号：US15675557

申请日：2017-08-11

申请人： COMPOSITE MATERIALS TECHNOLOGY, INC.

发明人： James Wong

IPC分类号： H01G9/042 ,  H01G9/00 ,  H01G9/08

CPC分类号： H01G9/042 ,  H01G9/0029 ,  H01G9/052 ,  H01G9/0525 ,  H01G9/08

摘要： Provided is an anode for an electrolytic device formed of a substantially uniform mixture of elongated elements with capacitor grade tantalum powders of tantalum metal. Also provided is a method for forming an anode or cathode for an electrolytic device formed of a substantially uniform mixture of elongated elements of a valve metal and a conductive powder metal.

公开(公告)号：US09831041B2

公开(公告)日：2017-11-28

申请号：US13294451

申请日：2011-11-11

申请人： Ryosuke Matsuoka ,  Eiji Kataoka ,  Yoshikazu Noguchi ,  John Koenitzer ,  Sridhar Venigalla

发明人： Ryosuke Matsuoka ,  Eiji Kataoka ,  Yoshikazu Noguchi ,  John Koenitzer ,  Sridhar Venigalla

IPC分类号： H01G9/042 ,  H01G9/052 ,  B22F1/00 ,  H01G9/15

CPC分类号： H01G9/0525 ,  B22F1/0096 ,  B22F2998/10 ,  B22F2999/00 ,  H01G9/052 ,  H01G9/15 ,  B22F9/24 ,  B22F9/04 ,  B22F1/0085 ,  B22F3/10 ,  B22F2301/20

摘要： A method for producing agglomerated tantalum particles, comprising: a step for grinding secondary tantalum particles, which are obtained by reducing a tantalum salt, and adding water thereto to give a water-containing mass; a step for drying said water-containing mass to give a dry mass; a step for sieving said dry mass to give spherical particles; and a step for heating said spherical particles. A mixed tantalum powder comprising a mixture of agglomerated tantalum particles (X) with agglomerated tantalum particles (Y), wherein said agglomerated tantalum particles (X) show a cumulative percentage of particles with particle size of 3 μm or less of 5 mass % or less after 25 W ultrasonic radiation for 10 min, while said agglomerated tantalum particles (Y) show a cumulative percentage of particles with particle size of 3 μm or less of 10 mass % or more after 25 W ultrasonic radiation for 10 min.

公开(公告)号：US09786440B2

公开(公告)日：2017-10-10

申请号：US14572939

申请日：2014-12-17

申请人： AVX Corporation

发明人： Mitchell D. Weaver ,  Lotfi Djebara ,  Radek Matousek

IPC分类号： H01G9/042 ,  H01G9/052 ,  H01G9/145 ,  H01G9/15 ,  H01G9/02 ,  H01G2/10 ,  A61N1/39

CPC分类号： H01G9/0525 ,  A61N1/3956 ,  A61N1/3975 ,  H01G2/103 ,  H01G9/02 ,  H01G9/042 ,  H01G9/145 ,  H01G9/15

摘要： An anode for use in a high voltage electrolytic capacitor is provided. The anode contains a sintered porous pellet and a leadwire extending therefrom in a longitudinal direction. The pellet is multi-layered to the extent that it contains at least a first layer positioned adjacent to a second layer, both of which extend along the length of the anode. The anode leadwire is embedded within the first layer. For this reason, the first layer has a thickness greater than that of the leadwire. Nevertheless, the use of a separate and distinct second layer adjacent to the first layer can allow each of the layers to be independently pressed using a multi-sided compaction device so that the properties of the anode are not significantly impacted by the presence of the relatively large anode leadwire.

公开(公告)号：US09589732B2

公开(公告)日：2017-03-07

申请号：US13260843

申请日：2010-03-30

申请人： Koji Hoshino ,  Ji-bin Yang ,  Kenji Orito ,  Shinichi Ohmori

发明人： Koji Hoshino ,  Ji-bin Yang ,  Kenji Orito ,  Shinichi Ohmori

IPC分类号： C22C1/08 ,  B22F3/11 ,  H01G9/008 ,  B22F7/00 ,  B22F9/04 ,  C22C1/04 ,  C22C21/00 ,  H01G11/68 ,  H01G11/70 ,  H01M4/66 ,  H01M4/80

CPC分类号： H01G9/016 ,  B22F3/1125 ,  B22F7/006 ,  B22F9/04 ,  B22F2998/00 ,  C22C1/0416 ,  C22C1/08 ,  C22C21/00 ,  C22C21/003 ,  H01G9/052 ,  H01G9/0525 ,  H01G11/68 ,  H01G11/70 ,  H01M4/661 ,  H01M4/80 ,  H01M4/803 ,  Y02E60/13 ,  Y10T428/12479 ,  B22F7/04

摘要： This method for producing porous sintered aluminum includes: mixing aluminum powder with a sintering aid powder containing a sintering aid element to obtain a raw aluminum mixed powder; forming the raw aluminum mixed powder into a formed object prior to sintering having pores; and heating the formed object prior to sintering in a non-oxidizing atmosphere to produce porous sintered aluminum, wherein the sintering aid element is titanium, and when a temperature at which the raw aluminum mixed powder starts to melt is expressed as Tm (° C.), then a temperature T (° C.) of the heating fulfills Tm-10 (° C.)≦T≦685 (° C.).

摘要翻译： 该多孔烧结铝的制造方法包括：将铝粉与含有烧结助剂元素的烧结助剂粉末混合，得到原铝混合粉末; 在具有孔的烧结之前将原铝混合粉末形成成形体; 在非氧化性气氛中烧结之前加热成形体，制作多孔烧结铝，其中烧结助剂为钛，当原铝混合粉末开始熔化时的温度为Tm（℃）。 ），则加热的温度T（℃）满足Tm-10（℃）≤T≤685（℃）。

公开(公告)号：US09583271B1

公开(公告)日：2017-02-28

申请号：US13932034

申请日：2013-07-01

申请人： Greatbatch Ltd.

发明人： Donald F. Kaiser ,  William C. Thiebolt ,  Jason T. Hahl

IPC分类号： H01G9/04 ,  H01G9/00 ,  B02C19/18 ,  H01G9/08

CPC分类号： H01G9/0029 ,  B02C19/186 ,  H01G9/042 ,  H01G9/052 ,  H01G9/0525 ,  H01G9/06 ,  H01G9/08 ,  H01G9/145

摘要： An electrolytic capacitor comprising an anode comprised of cryogenically milled anode material is described. The cryogenic milling process prepares the active anode material for anode fabrication. The capacitor further comprises a casing of first and second casing members secured to each other to provide an enclosure. A feedthrough electrically insulated from the casing and from the casing and extending there from through a glass-to-metal seal, at least one anode electrically connected 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.

摘要翻译： 描述包括由低温法研磨的阳极材料构成的阳极的电解电容器。 低温研磨工艺制备用于阳极制造的活性阳极材料。 电容器还包括彼此固定以提供外壳的第一和第二壳体构件的壳体。 一种馈电线，其与所述壳体和所述壳体电绝缘，并通过玻璃 - 金属密封件延伸，至少一个阳极电连接在所述壳体内，阴极和电解质。 阴极是沉积在第一和第二壳体构件的平面上的阴极活性材料。