Photocurable/thermosetting resin composition
    235.
    发明授权
    Photocurable/thermosetting resin composition 有权
    光固化/热固性树脂组合物

    公开(公告)号:US09310680B2

    公开(公告)日:2016-04-12

    申请号:US14127078

    申请日:2012-06-15

    Abstract: Provided is an alkali-developable photocurable/thermosetting resin composition from which a cured coating film that has excellent thermal shock resistance and exhibits excellent PCT resistance, HAST resistance and electroless gold plating resistance, which are important as a solder resist for semiconductor packages, can be formed. The alkali-developable photocurable/thermosetting resin composition is characterized by comprising (A) a carboxyl group-containing photosensitive resin, (B) a photopolymerization initiator, (C) a block copolymer and (D) a thermosetting component.

    Abstract translation: 本发明提供一种可显影的光固化/热固性树脂组合物,其作为半导体封装的阻焊剂是重要的,具有优异的耐热冲击性和优异的耐PCT耐性,耐HAST电阻和无电镀金电镀的固化涂膜可以是 形成。 碱显影性光固化/热固性树脂组合物的特征在于包含(A)含羧基的感光性树脂,(B)光聚合引发剂,(C)嵌段共聚物和(D)热固性组分。

    THERMOCHROMIC SOLDER MASK FOR ELECTRONIC DEVICES
    236.
    发明申请
    THERMOCHROMIC SOLDER MASK FOR ELECTRONIC DEVICES 审中-公开
    用于电子设备的热敏焊膏掩模

    公开(公告)号:US20150173178A1

    公开(公告)日:2015-06-18

    申请号:US14104186

    申请日:2013-12-12

    Abstract: An electronic device is disclosed herein. In accordance with certain implementations, the electronic device includes a printed circuit board having electrically conductive traces formed thereon. The electronic device also includes a thermochromic solder mask layer overlying the electrically conductive traces. The thermochromic solder mask layer changes color in response to temperature changes associated with operation of the electronic device. The thermochromic characteristics of the solder mask layer are useful for purposes of indicating overheating of the electronic device, the conductive traces, or a region of the printed circuit board.

    Abstract translation: 本文公开了一种电子设备。 根据某些实施方案,电子设备包括其上形成有导电迹线的印刷电路板。 电子器件还包括覆盖导电迹线的热致变色焊料掩模层。 热变色阻焊层响应于与电子设备的操作相关的温度变化而改变颜色。 焊接掩模层的热致变色特征可用于指示电子器件,导电迹线或印刷电路板的区域的过热。

    Method of making a flexible printed circuit board
    240.
    发明授权
    Method of making a flexible printed circuit board 有权
    制造柔性印刷电路板的方法

    公开(公告)号:US07992290B2

    公开(公告)日:2011-08-09

    申请号:US11940900

    申请日:2007-11-15

    Abstract: An exemplary method of making an FPC includes forming a substrate comprising metal foil layers interleaved with intervening layers by: (a) laminating intervening layers with metal foil layers; (b) adhering a covering film to outermost surfaces of the substrate; (c) defining a hole in one side of the substrate through the covering film and at least two metal foil layers and the intervening layer between the at least two metal foil layers by etching or laser technology; and (d) plating a portion of an inner wall of the hole with conductive material to form a via to electrically connect the at least two metal foil layers.

    Abstract translation: 制造FPC的示例性方法包括:通过以下步骤形成包含与中间层交错的金属箔层的基板:(a)将介入层与金属箔层层压; (b)将覆盖膜粘附到基板的最外表面; (c)通过蚀刻或激光技术通过覆盖膜和至少两个金属箔层和至少两个金属箔层之间的中间层来限定衬底的一侧中的孔; 以及(d)用导电材料电镀所述孔的内壁的一部分以形成通孔以电连接所述至少两个金属箔层。

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