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    • 7. 发明授权
    • Method of laminating a flexible circuit to a substrate
    • 将柔性电路层叠到基板的方法
    • US06197145B1
    • 2001-03-06
    • US09134729
    • 1998-08-17
    • Michael George ToddRexanne M. CoynerAndrew Zachary GlovatskyDaniel Phillip DaileyRobert Edward Belke
    • Michael George ToddRexanne M. CoynerAndrew Zachary GlovatskyDaniel Phillip DaileyRobert Edward Belke
    • H05K300
    • B29C45/14811B29K2715/006B29K2995/0005H05K1/0393H05K3/0064H05K2203/1105H05K2203/1327Y10T29/49146Y10T29/49158
    • A method of attaching a flexible plastic film having electronic circuit traces to a rigid plastic substrate. The film and substrate are made from different incompatible plastic materials that do not bond to one another and have different CTE. The use of different or incompatible materials is useful where the properties of the backing structure and film are selected to achieve different results. For example, the flexible film may be selected from a material that provides a high melting point to withstand soldering while the backing material is selected from a low-cost and light weight plastic material that has a lower melting point. The film has conductive traces on at least one surface thereof and a backing surface. A heat activated adhesive is applied to the backing surface. The film is placed within an open injection mold and the mold is closed. A hot plastic resin is injected into the mold adjacent the adhesive. The resin heats the adhesive above its activation temperature and causes the adhesive to bond to both the backing surface and the plastic resin. The resin is allowed to cool and the finished circuit assembly is removed from the mold.
    • 将具有电子电路迹线的柔性塑料膜附接到刚性塑料基板的方法。 膜和基底由不相互粘合并具有不同CTE的不相容的塑料材料制成。 当选择背衬结构和膜的性质以获得不同的结果时,使用不同的或不相容的材料是有用的。 例如,柔性膜可以选自提供高熔点以承受焊接的材料,而背衬材料选自具有较低熔点的低成本且重量轻的塑料材料。 该膜在其至少一个表面和背衬表面上具有导电迹线。 将热活化粘合剂施加到背衬表面。 将薄膜放置在开放式注射模具内,模具关闭。 将热塑性树脂注入邻近粘合剂的模具中。 树脂将粘合剂加热到其活化温度以上,并使粘合剂粘合到背衬表面和塑料树脂上。 使树脂冷却,并将完成的电路组件从模具中取出。