PRINTED CIRCUIT BOARD UNIT AND ELECTRONIC DEVICE
    4.
    发明申请
    PRINTED CIRCUIT BOARD UNIT AND ELECTRONIC DEVICE 审中-公开
    印刷电路板单元和电子设备

    公开(公告)号:US20110007482A1

    公开(公告)日:2011-01-13

    申请号:US12821543

    申请日:2010-06-23

    Abstract: A printed circuit board unit includes a printed circuit board including through holes arranged in a grid array on which an integrated circuit is mounted; and a flexible substrate provided on a back side of the printed circuit board, covering the through holes. First lands to which the integrated circuit is connected are formed on a front side of the printed circuit board. Second lands to which the flexible substrate is connected are formed on the back side of the printed circuit board. The first lands and the second lands are connected to first ends and second ends of the through holes, respectively. Third lands are formed on a front side of the flexible substrate so as to face the second lands of the printed circuit board. Fourth lands are formed on a back side of the flexible substrate. The fourth lands are electrically connected to the third lands.

    Abstract translation: 印刷电路板单元包括印刷电路板,其包括布置在其上安装集成电路的栅格阵列中的通孔; 以及设置在印刷电路板的背侧的柔性基板,覆盖通孔。 在印刷电路板的前侧形成有连接有集成电路的第一焊盘。 在印刷电路板的背面形成有连接柔性基板的第二平台。 第一平台和第二平台分别连接到通孔的第一端和第二端。 第三平台形成在柔性基板的前侧,以面对印刷电路板的第二平台。 第四平台形成在柔性基板的背面。 第四焊盘电连接到第三焊盘。

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