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公开(公告)号：US20210074484A1
公开(公告)日：2021-03-11
申请号：US16953546
申请日：2020-11-20
摘要： A solid electrolytic capacitor that includes a multilayer body element having a number of first layers that are laminated together, the multilayer body element having first and second main surfaces that oppose each other in a lamination direction, first and second side surface that oppose each other in a width direction, and first and second end surfaces that oppose each other in a length direction; a sealing portion covering the first and the second main surfaces and the first and the second side surfaces, wherein in the first layers, a cutting region is formed at an end of the multilayer body element on a side of the second end surface and a sealing portion filled with a sealing material in the cutting region is exposed at the second end surface.
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公开(公告)号：US11437198B2
公开(公告)日：2022-09-06
申请号：US16953546
申请日：2020-11-20
摘要： A solid electrolytic capacitor that includes a multilayer body element having a number of first layers that are laminated together, the multilayer body element having first and second main surfaces that oppose each other in a lamination direction, first and second side surface that oppose each other in a width direction, and first and second end surfaces that oppose each other in a length direction; a sealing portion covering the first and the second main surfaces and the first and the second side surfaces, wherein in the first layers, a cutting region is formed at an end of the multilayer body element on a side of the second end surface and a sealing portion filled with a sealing material in the cutting region is exposed at the second end surface.
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公开(公告)号：US20190122827A1
公开(公告)日：2019-04-25
申请号：US16163663
申请日：2018-10-18
摘要： A method for producing a solid electrolytic capacitor that includes preparing a first sheet, preparing a second sheet, covering the first sheet with an insulating material, forming an electric conductor layer on the first sheet, producing a laminated sheet by laminating the first sheet and the second sheet, producing a multilayer block body, cutting the multilayer block body to produce a plurality of multilayer body elements, and forming a first outer electrode and a second outer electrode on the plurality of multilayer body elements.
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公开(公告)号：US11984272B2
公开(公告)日：2024-05-14
申请号：US17832929
申请日：2022-06-06
发明人： Junichi Kasuya , Kenichi Oshiumi , Koji Fujimoto , Kazutoyo Horio , Satoshi Tani , Katsutomo Aritomi
摘要： A solid electrolytic capacitor that includes a resin molding including: a capacitor element laminate, the capacitor element laminate including a first layer and a second layer that are laminated together, the first layer includes a valve-action metal substrate exposed at a first end surface of the resin molding, the second layer includes an electrode lead-out layer exposed at a second end surface of the resin molding; an insulating substrate; and a sealing resin enclosing the capacitor element laminate; a first external electrode on a first end surface of the resin molding and connected to the valve-action metal substrate; a second external electrode on a second end surface of the resin molding and connected to the electrode lead-out layer; and a dummy layer not contributing to a capacity of the capacitor on a main surface of the capacitor element laminate in a lamination direction thereof and adjacent to the insulating substrate.
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公开(公告)号：US20190228916A1
公开(公告)日：2019-07-25
申请号：US16376368
申请日：2019-04-05
发明人： Katsutomo Aritomi
摘要： A solid electrolytic capacitor that includes a plurality of capacitor elements laminated in parallel, and an exterior resin that seals the plurality of capacitor elements. Each of the plurality of capacitor elements includes a valve action metal base, an oxide film dielectric layer on a surface of the valve action metal base, and a cathode layer on a surface of the dielectric layer, and at least one capacitor element among the plurality of capacitor elements has a thicker oxide film dielectric layer than that of another capacitor element.
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公开(公告)号：US11881360B2
公开(公告)日：2024-01-23
申请号：US17687840
申请日：2022-03-07
发明人： Katsutomo Aritomi
摘要： An electrolytic capacitor that includes a resin molded body including a stack that includes a capacitor element with an anode exposed at a first end surface, a dielectric layer on a surface of the anode, and a cathode opposite to the anode and exposed at a second end surface; a first external electrode on the first end surface and electrically connected to the anode; and a second external electrode on the second end surface and electrically connected to the cathode, wherein the first external electrode and the second external electrode each include: a resin electrode layer containing a conductive component and a resin component; and a Ni plating layer on a surface of the resin electrode layer, wherein a ratio of a thickness of the resin electrode layer to a thickness of the Ni plating layer is 5 or less.
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公开(公告)号：US10991516B2
公开(公告)日：2021-04-27
申请号：US16376368
申请日：2019-04-05
发明人： Katsutomo Aritomi
摘要： A solid electrolytic capacitor that includes a plurality of capacitor elements laminated in parallel, and an exterior resin that seals the plurality of capacitor elements. Each of the plurality of capacitor elements includes a valve action metal base, an oxide film dielectric layer on a surface of the valve action metal base, and a cathode layer on a surface of the dielectric layer, and at least one capacitor element among the plurality of capacitor elements has a thicker oxide film dielectric layer than that of another capacitor element.
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