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公开(公告)号：US20240412927A1
公开(公告)日：2024-12-12
申请号：US18700943
申请日：2022-10-12
Inventor： TAKESHI FURUKAWA , TAKAYUKI MATSUMOTO
Abstract: A solid electrolyte capacitor includes at least one capacitor element including an anode part and a cathode part, an anode terminal electrically connected to the anode part, a cathode terminal electrically connected to the cathode part, and an outer packaging resin covering the at least one capacitor element, the anode terminal, and the cathode terminal. Each of the anode terminal and the cathode terminal includes an exposed part that is exposed from the outer packaging resin. The outer packaging resin includes a mounting surface and four side surfaces each intersecting the mounting surface. The exposed part of each of the anode terminal and the cathode terminal includes a first part disposed along the mounting surface, and the first part includes a hollow part that opens toward an outside of the outer packaging resin.
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公开(公告)号：US20220415580A1
公开(公告)日：2022-12-29
申请号：US17929724
申请日：2022-09-05
Inventor： YOSHIAKI ISHIMARU , TAKAYUKI MATSUMOTO , TATSUJI AOYAMA
Abstract: A method for producing an electrolytic capacitor, the electrolytic capacitor including a capacitor element including an anode body and a cathode body each having a foil shape. The anode body includes a dielectric layer on a surface of the anode body. The method includes a step of forming a capacitor element precursor by winding or stacking a separator, the anode body, and the cathode body with the separator interposed between the anode body and the cathode body, a step of impregnating the capacitor element precursor with a treatment liquid containing a polyhydric alcohol, a solvent, and a conductive polymer component, a step of impregnating the capacitor element precursor with a liquid component after the step of impregnating the capacitor element precursor with the treatment liquid, and a step of forming the capacitor element by eluting the polyhydric alcohol into the liquid component.
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公开(公告)号：US20200013557A1
公开(公告)日：2020-01-09
申请号：US16574511
申请日：2019-09-18
Inventor： TAKAYUKI MATSUMOTO , HONAMI NISHINO , SHIN FUJITA , TOMOYUKI TASHIRO , MASATO MORI , HIROHISA HINO
Abstract: An electrolytic capacitor includes a capacitor element, a case housing the capacitor element, and a first heat radiation layer having an insulating property. The first heat radiation layer covers at least part of the capacitor element. A thermal conductivity λC of the case in a thickness direction is greater than or equal to 1 W/m·K. A thermal emissivity ε1 of the first heat radiation layer is greater than or equal to 0.7.
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公开(公告)号：US20240029962A1
公开(公告)日：2024-01-25
申请号：US18254874
申请日：2021-12-10
Inventor： TAKAYUKI MATSUMOTO , NOBUHIRO TANIGAKI , NOBUYUKI YAMAGUCHI
Abstract: An electrolytic capacitor includes a capacitor element having a bottom surface and an upper surface, an anode lead terminal, and outer packaging resin. The electrode lead terminal includes a terminal portion and two anchor portions. The terminal portion has a principal surface exposed from the bottom surface, and has an end side along a longitudinal direction of the anode lead. Each of the two anchor portions includes an upright portion that rises from an end side of the terminal portion toward the upper surface. The upright portion has a first region exposed from the bottom surface in a vicinity of a boundary with the end side, the first region has an inclined surface continuous with the principal surface of the terminal portion, and the inclined surface is inclined to form an obtuse angle with the principal surface of the terminal portion.
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Patent Agency Ranking
公开(公告)号：US20220415579A1
公开(公告)日：2022-12-29
申请号：US17929722
申请日：2022-09-05
Inventor： YOSHIAKI ISHIMARU , TAKAYUKI MATSUMOTO , TATSUJI AOYAMA
Abstract: A method for producing an electrolytic capacitor, the electrolytic capacitor including a capacitor element including an anode body and a cathode body each having a foil shape. The anode body includes a dielectric layer on a surface of the anode body. The method includes a step of forming a capacitor element precursor by winding or stacking a separator, the anode body, and the cathode body with the separator interposed between the anode body and the cathode body, a step of impregnating the capacitor element precursor with a treatment liquid containing an acid component, a solvent, and a conductive polymer component, a step of impregnating the capacitor element precursor with a liquid component after the step of impregnating the capacitor element precursor with the treatment liquid, and a step of forming the capacitor element by eluting the acid component into the liquid component.
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公开(公告)号：US20170372843A1
公开(公告)日：2017-12-28
申请号：US15701553
申请日：2017-09-12
Inventor： TAKAYUKI MATSUMOTO
CPC classification number: H01G9/028 , C25B1/04 , H01G9/035 , H01M2300/0082 , Y02E60/366
Abstract: An electrolytic capacitor includes an anode member, a solid electrolyte layer, and a nonaqueous solvent or an electrolyte solution. The anode member includes a dielectric layer. The solid electrolyte layer includes a conductive polymer formed on a surface of the dielectric layer. The nonaqueous solvent or the electrolyte solution includes a first solvent and a second solvent different from the first solvent. The first solvent contains at least one selected from the group consisting of a carbonate ester and a derivative of the carbonate ester.
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公开(公告)号：US20250014836A1
公开(公告)日：2025-01-09
申请号：US18709837
申请日：2022-12-06
Inventor： TAKAYUKI MATSUMOTO
Abstract: An electrolytic capacitor including-includes an anode body that is porous, an anode wire including a buried part buried in the anode body and a protrusion part protruding to an outside of the anode body, a dielectric layer disposed on a surface of the anode body, a cathode part covering at least a part of the dielectric layer, an anode terminal electrically connected to the anode wire, and a cathode terminal electrically connected to the cathode part. A corner defined by three sides of the anode body is chamfered by an intersecting surface intersecting each of the three sides, the three sides intersecting each other. The protrusion part is protruded from the intersecting surface and is connected to the anode terminal.
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公开(公告)号：US20240006128A1
公开(公告)日：2024-01-04
申请号：US18254152
申请日：2021-12-20
Inventor： TAKAYUKI MATSUMOTO , NOBUHIRO TANIGAKI
Abstract: An electrolytic capacitor includes a capacitor element having bottom surface B and upper surface T and including an anode lead, a cathode lead terminal, and outer packaging resin. The cathode lead terminal includes a cathode terminal having an exposed surface exposed from bottom surface B, and two cathode anchor portions each extending from the cathode terminal to be embedded in the outer packaging resin. The cathode terminal has two end sides E each being along a direction in which the anode lead extends. Each of the two cathode anchor portions includes a cathode upright portion rising from corresponding one of two end sides E of the cathode terminal toward upper surface T, and a first extension portion and a second extension portion extending from the cathode upright portion.
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公开(公告)号：US20160379759A1
公开(公告)日：2016-12-29
申请号：US15261706
申请日：2016-09-09
Inventor： TAKAYUKI MATSUMOTO , YOSHIAKI ISHIMARU
CPC classification number: H01G9/048 , H01G9/0036 , H01G9/025 , H01G9/028 , H01G9/035
Abstract: An electrolytic capacitor includes a capacitor element. The capacitor element includes a winding body, a solid electrolyte layer containing a conductive polymer, and an electrolytic solution. The winding body is configured to be wound around by an anode member on which a dielectric layer is formed, and a cathode member. The solid electrolyte layer is formed in the winding body. An electrolytic solution is impregnated into the winding body in which the solid electrolyte layer is formed. A volume ratio of the electrolytic solution impregnated into the winding body to the solid electrolyte layer formed in the winding body ranges from 1.27 to 2.54 both inclusive.
Abstract translation: 电解电容器包括电容元件。 电容器元件包括绕组体，含有导电聚合物的固体电解质层和电解液。 卷绕体构造成由形成有电介质层的阳极部件和阴极部件卷绕。 固体电解质层形成在卷绕体中。 将电解液浸渍在其中形成固体电解质层的卷绕体中。 浸渍到卷绕体中的电解液与形成在卷绕体中的固体电解质层的体积比为1.27〜2.54。
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