Flexible printed wiring board and manufacturing method thereof
    7.
    发明专利
    Flexible printed wiring board and manufacturing method thereof 审中-公开
    柔性印刷接线板及其制造方法

    公开(公告)号:JP2013207093A

    公开(公告)日:2013-10-07

    申请号:JP2012074647

    申请日:2012-03-28

    Inventor: ADACHI KUNIHIKO

    Abstract: PROBLEM TO BE SOLVED: To provide a flexible printed wiring board with excellent in heat dissipation.SOLUTION: A flexible printed wiring board 20 according to one embodiment comprises: a base film 2; a metal-clad laminate sheet 1 formed on a bottom face of the base film 2 having adhesive agent 3 therebetween and including a wiring pattern with land part 4a; a coverlay 5 including a cover film 5a, an adhesive layer 5b on a top face of the cover film 5a, and an opening 11 provided thereto, and adhered to a bottom face of the metal-clad laminate sheet 1 through the adhesive layer 5b so that a region including a component mounting region A is exposed from the opening 11; a metal reinforcement plate 6 adhered onto the metal-clad laminate sheet 1 exposed from the opening 11 with adhesive agent; a semiconductor chip 8 penetrating through the base film 2 in a thickness direction, mounted within an opening 12 from which a wiring pattern in the component mounting region A is exposed toward a bottom surface, and a connection terminal 8a thereof electrically connected through solder 10 to the land part 4a exposed from the opening 12.

    Abstract translation: 要解决的问题:提供具有优异散热性的柔性印刷线路板。解决方案:根据一个实施例的柔性印刷布线板20包括:基膜2; 形成在基膜2的底面上的覆金属层压板1,其间具有粘合剂3,并且包括具有焊盘部分4a的布线图案; 覆盖膜5包括覆盖膜5a,覆盖膜5a的顶面上的粘合剂层5b和设置在其上的开口11,并且通过粘合剂层5b粘合到覆金属层压片材1的底面。 包括部件安装区域A的区域从开口11露出; 金属加强板6,用粘合剂粘附在从开口11露出的覆金属层压板1上; 半导体芯片8,其沿着厚度方向穿过基膜2,安装在开口部12内,部件安装区域A的布线图案从该开口12朝向底面露出,连接端子8a通过焊料10电连接到 从开口12露出的陆部4a。

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