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3. 发明授权

US07348492B1 Flexible wiring board and electrical device using the same 失效
标题翻译：柔性接线板和电器使用相同
公开(公告)号：US07348492B1
公开(公告)日：2008-03-25
申请号：US09712227
申请日：2000-11-15
申请人： Noriko Kawai , Takashi Nakashima , Hirokazu Yoshida
发明人： Noriko Kawai , Takashi Nakashima , Hirokazu Yoshida
IPC分类号： H05K1/00
CPC分类号： H05K3/361 , G02F1/13452 , H01L2924/0002 , H05K3/243 , H05K3/281 , H05K2201/0191 , H05K2201/0989 , H05K2201/10136 , H01L2924/00
摘要： A flexible wiring board is obtained as follows. A copper foil pattern is formed on the both surfaces of a base polymer film made of polyimide, etc. The copper foil pattern of the both sides, except for an end portion of the copper foil pattern of one surface, is covered entirely with an insulative protecting film made of polyimide, etc., for protecting the copper foil pattern, and the insulative protecting film and the copper foil pattern are bonded with each other by an insulative protecting film adhesive layer. On the exposed end portion of the copper foil pattern on one surface is formed a plated layer to be connected to an electrical component. The thickness of the insulative protecting film which is bonded with the surface on which the plated layer is formed is set to be thinner than the base polymer film. As a result, it is ensured that insulation failure of the insulative protecting film is prevented, and wire breakage of wiring when bent can easily be prevented.
摘要翻译：如下获得柔性布线板。在由聚酰亚胺等制成的基础聚合物膜的两面形成铜箔图案。除了一个表面的铜箔图案的端部之外，两面的铜箔图案全部被绝缘覆盖保护由聚酰亚胺制成的膜等，用于保护铜箔图案，并且绝缘保护膜和铜箔图案通过绝缘保护膜粘合剂层彼此接合。在一个表面上的铜箔图案的露出端部形成有与电气部件连接的镀层。与形成有镀层的表面接合的绝缘保护膜的厚度设定为比基体聚合物膜薄。其结果，能够防止绝缘保护膜的绝缘破坏，能够容易地防止弯曲时的布线断线。

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