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1. 发明申请

US20100167041A1 Process for the production of entry sheet for drilling and entry sheet 有权
标题翻译：生产钻井和入境单的入境单的流程
公开(公告)号：US20100167041A1
公开(公告)日：2010-07-01
申请号：US12457885
申请日：2009-06-24
申请人： Yousuke Matsuyama , Reiki Akita , Takuya Hasaki
发明人： Yousuke Matsuyama , Reiki Akita , Takuya Hasaki
IPC分类号： B32B3/26 , B05D5/00
CPC分类号： H05K3/0047 , H05K2203/0214 , H05K2203/0786 , H05K2203/127 , Y10T428/249953
摘要： A process for the production of an entry sheet for drilling a printed wiring board material, which process comprises forming a multi-layered water-soluble resin composition layer on at least one surface of a metal foil, wherein an aqueous solution of a water-soluble resin composition is applied to the metal foil, dried and solidified to form one water-soluble resin composition layer, the application, drying and solidification of the aqueous solution of the water-soluble resin composition are repeated at least once to form at least one water-soluble resin composition layer on the above one water-soluble resin composition layer, the multi-layered water-soluble resin composition layer is composed of these water-soluble resin composition layers, the multi-layered water-soluble resin composition layer has a thickness of at least 50 μm and is almost free from air bubbles, and an entry sheet for drilling a printed wiring board material obtained by the above process.
摘要翻译：一种用于生产用于钻孔印刷线路板材料的入口板的方法，该方法包括在金属箔的至少一个表面上形成多层水溶性树脂组合物层，其中水溶性水溶液将树脂组合物施加到金属箔上，干燥固化形成一个水溶性树脂组合物层，将水溶性树脂组合物的水溶液的涂布，干燥和固化重复至少一次以形成至少一种水在上述一种水溶性树脂组合物层上的多层水溶性树脂组合物层中，多层水溶性树脂组合物层由这些水溶性树脂组合物层构成，多层水溶性树脂组合物层的厚度至少为50μm，几乎没有气泡，以及用于钻孔通过上述方法获得的印刷线路板材料的入口板。

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