PRINTED CIRCUIT BOARD
    2.
    发明申请

    公开(公告)号:US20230066381A1

    公开(公告)日:2023-03-02

    申请号:US17578864

    申请日:2022-01-19

    Abstract: A printed circuit board includes a first board including a plurality of first insulating layers and a plurality of first wiring layers disposed between the plurality of first insulating layers, respectively; and a second board disposed on one surface of the first board and including a plurality of second insulating layers and a plurality of second wiring layers disposed on or between the plurality of second insulating layers, respectively. At least one of the plurality of first insulating layers has a thickness less than a thickness of at least one of the plurality of second insulating layers. The first board further includes a through-via penetrating each of the plurality of first insulating layers and connected to one of the plurality of second wiring layers.

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