PRINTED CIRCUIT BOARD
    3.
    发明申请

    公开(公告)号:US20220322533A1

    公开(公告)日:2022-10-06

    申请号:US17476980

    申请日:2021-09-16

    Abstract: A printed circuit board includes a first insulating layer; a protective filler layer disposed on one surface of the first insulating layer; a first wiring layer disposed on the one surface of the first insulating layer and having a pad protruding with respect to the protective filler layer; a first via passing through the first insulating layer and contacting the pad; and a second insulating layer disposed on the first wiring layer and the protective filler layer, and having a cavity exposing the pad and at least a portion of the protective filler layer, respectively.

    Printed circuit board
    10.
    发明授权

    公开(公告)号:US11641715B2

    公开(公告)日:2023-05-02

    申请号:US17476980

    申请日:2021-09-16

    Abstract: A printed circuit board includes a first insulating layer; a protective filler layer disposed on one surface of the first insulating layer; a first wiring layer disposed on the one surface of the first insulating layer and having a pad protruding with respect to the protective filler layer; a first via passing through the first insulating layer and contacting the pad; and a second insulating layer disposed on the first wiring layer and the protective filler layer, and having a cavity exposing the pad and at least a portion of the protective filler layer, respectively.

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