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    SOLID ELECTROLYTIC CAPACITOR
    3.
    发明公开
    SOLID ELECTROLYTIC CAPACITOR 审中-公开

    公开(公告)号：US20230307191A1

    公开(公告)日：2023-09-28

    申请号：US18041236

    申请日：2021-08-27

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： YUICHIRO YAMADA ,  KATSUHIRO OGASAWARA ,  ATSUSHI TANAKA ,  MASAHIRO SATO ,  TOMOKI SUGIMOTO

    IPC: H01G9/10 ,  H01G9/15 ,  H01G9/26

    CPC classification number: H01G9/10 ,  H01G9/15 ,  H01G9/26

    Abstract: A solid electrolytic capacitor includes an element stack, an anode terminal, a cathode terminal, and an exterior member. The element stack includes a plurality of capacitor elements stacked on each other, and a conductive material interposed between two adjacent capacitor elements in the plurality of capacitor elements. Each of the plurality of capacitor elements includes an anode part and a cathode part, and the conductive material is disposed on the cathode part. The anode terminal is connected to the anode part. The cathode terminal is connected to the cathode part via a conductive paste. The cathode terminal has a facing surface facing a tip end of the element stack with a gap interposed between the facing surface and the tip end, and at least a part of the gap is filled with a sealing material.

    SOLID ELECTROLYTIC CAPACITOR
    5.
    发明公开
    SOLID ELECTROLYTIC CAPACITOR 审中-公开

    公开(公告)号：US20230411084A1

    公开(公告)日：2023-12-21

    申请号：US18252053

    申请日：2021-11-25

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： KATSUHIRO OGASAWARA ,  ATSUSHI TANAKA

    IPC: H01G9/012 ,  H01G9/15

    CPC classification number: H01G9/012 ,  H01G9/15

    Abstract: A solid electrolytic capacitor includes at least one capacitor element including an anode part and a cathode part, an anode lead terminal, a cathode lead terminal, and an exterior body that covers the least one capacitor element. Each of the anode lead terminal and the cathode lead terminal includes an embedded part embedded in the exterior body. The embedded part of the anode lead terminal has a first contact surface in contact with the exterior body, and the embedded part of the cathode lead terminal has a second contact surface in contact with the exterior body. At least one contact surface selected from the group consisting of the first contact surface and the second contact surface includes a rough surface having a developed area ratio of an interface of more than or equal to 0.4.

    SOLID ELECTROLYTIC CAPACITOR
    7.
    发明公开
    SOLID ELECTROLYTIC CAPACITOR 审中-公开

    公开(公告)号：US20240161983A1

    公开(公告)日：2024-05-16

    申请号：US18549635

    申请日：2022-03-03

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： HITOSHI FUKUI ,  KATSUHIRO OGASAWARA ,  ATSUSHI TANAKA

    IPC: H01G9/012 ,  H01G9/08 ,  H01G9/15 ,  H01G9/26

    CPC classification number: H01G9/012 ,  H01G9/08 ,  H01G9/15 ,  H01G9/26

    Abstract: A solid electrolytic capacitor includes at least one capacitor element including an anode part and a cathode part, an anode lead terminal, a cathode lead terminal, and an exterior body covering the capacitor element. Each of the anode lead terminal and the cathode lead terminal has a main surface and a side surface, and includes a buried part buried in the exterior body and an exposed part exposed from the exterior body. In at least one of the anode lead terminal or the cathode lead terminal, at least a part of a main surface of the exposed part is covered with a low-melting-point material, and a first side surface region in a side surface of the buried part is not covered with the low-melting-point material. The first side surface region is a region away from a boundary between the buried part and the exposed part by more than 0.36 mm.

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