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公开(公告)号：US20230207224A1
公开(公告)日：2023-06-29
申请号：US18171398
申请日：2023-02-20
CPC分类号： H01G9/15 , H01G9/028 , H01G9/0525
摘要： An electrolytic capacitor includes a capacitor element that includes a porous anode body including an anode base body and a dielectric layer formed on a surface of the anode base body, and a solid electrolyte layer that covers at least a part of the dielectric layer. The anode body includes a plurality of principal surfaces, and at least a part of a surface layer of at least one principal surface of the plurality of principal surfaces of the anode body is denser than an inside of the anode body.
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公开(公告)号：US20220310328A1
公开(公告)日：2022-09-29
申请号：US17651413
申请日：2022-02-16
发明人： YUKIYASU SUGIHARA , NORIHIKO OGATA , KAZUHIDE GOTOU , YUMA YANO , YUKI UEDA , MASAYUKI HOGIRI
摘要： An electrolytic capacitor includes an anode body having a porous structure, an anode lead having a sheet shape, a dielectric layer disposed on a surface of the anode body, a cathode layer covering at least a part of the dielectric layer, an anode lead frame electrically connected to the anode lead, and a cathode lead frame electrically connected to the cathode lead. The anode lead includes an embedded portion embedded in the anode body and a protrusion portion protruding to an outside of the anode body. The anode lead has a first main surface facing the cathode lead frame and a second main surface opposite to the first main surface. The anode lead is located between a center of the anode body and an end face of the anode body in a first direction in which the first main surface faces the cathode lead frame. The end face of the anode body is positioned at a side close to the cathode lead frame.
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公开(公告)号：US20220238282A1
公开(公告)日：2022-07-28
申请号：US17562098
申请日：2021-12-27
发明人： YUKIYASU SUGIHARA , NORIHIKO OGATA , KAZUHIDE GOTOU , YUMA YANO , YUKI UEDA , TAKESHI MINAMIURA , MASAYUKI HOGIRI
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.
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公开(公告)号：US20200006008A1
公开(公告)日：2020-01-02
申请号：US16568249
申请日：2019-09-12
发明人： AKINARI KUROKAWA , NORIHIKO OGATA
摘要： A solid electrolytic capacitor includes a porous sintered body, a metal lead, a dielectric layer, a solid electrolyte layer, a first terminal, and a second terminal. The porous sintered body has a pair of main faces opposed to each other, a pair of side faces opposed to each other, and a pair of end faces opposed to each other. The metal lead is extended from one of the pair of main faces. The first terminal includes a first terminal mounting part extending in substantially parallel to each of the pair of side faces, and a pair of arm parts extending in substantially parallel to each of the pair of end faces. The pair of arm parts are opposed to each other. The second terminal includes a terminal connecting part electrically connected to the solid electrolyte layer. The metal lead is electrically connected to each of the pair of arm parts.
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