Novak Druce Connolly Bove + Quigg LLP
Method of manufacturing a printed circuit board with circuit visible
A printed circuit board with circuit visible includes a wiring layer, a first adhesive layer, a first dielectric layer, and a cover film, which are stacked in described order, the wiring layer comprising at least one electrical contact pad. The cover film has at least one opening corresponding to the electrical contact pad. The cover film includes a second dielectric layer and a second adhesive layer. A flow initiation temperature of the first adhesive layer is in a range from 85 degrees centigrade to 90 degrees centigrade, and a hardening temperature of the first adhesive being lower than 150 degrees centigrade.
Zhen Ding Technology Co., Ltd. FuKui Precision Component (Shenzhen) Co., Ltd.
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Xian-Qin Ming-Jaan
Hu Ho