PRINTED CIRCUIT BOARD
    1.
    发明申请

    公开(公告)号:US20190254175A1

    公开(公告)日:2019-08-15

    申请号:US16335027

    申请日:2017-10-13

    发明人: Ralf Stanzmann

    摘要: A printed circuit board is provided with multiple electrically conductive layers which are separated from each other by electrically non-conductive layers. At least one electrically conductive outer layer and multiple electrically conductive intermediate layers are provided. At least one electrically conductive through-connection is provided between an electrically conductive outer layer and an electrically conductive intermediate layer. The printed circuit board consists of at least one first multi layer PCB and one second multilayer PCB. The first multilayer PCB is formed from multiple electrically conductive layers and multiple electrically non-conductive layers, and the second multilayer PCB has at least one electrically conductive layer and at least one electrically non-conductive layer. The multilayer PCBs are connected to each other. The electrically conductive through-connection between a first electrically conductive outer layer and a second electrically conductive outer layer is formed from multilayer PCBs.

    LAMINATE STRUCTURES WITH HOLE PLUGS AND METHODS OF FORMING LAMINATE STRUCTURES WITH HOLE PLUGS

    公开(公告)号:US20190208645A1

    公开(公告)日:2019-07-04

    申请号:US16298896

    申请日:2019-03-11

    IPC分类号: H05K3/42 H05K1/11

    摘要: Laminate structures including hole plugs, and methods for forming a hole plug in a laminate structure are provided. A laminate structure may be formed with at least a dielectric layer and a first conductive foil on a first side of the dielectric layer. A blind hole may be formed in the laminate structure extending toward the first conductive foil from a second side of the dielectric layer and at least partially through the dielectric layer, the blind hole including a hole depth to hole diameter aspect ratio of less than ten (10) to one (1). Via fill ink may be disposed in the blind hole, and the via fill ink may be dried and/or cured to form a hole plug.