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Other,China China
The copper clad plate surface is chemically etched unwanted copper conductors to form a line pattern. Process: InputPrecision-EtchingRinseWR/S(1)(2)
The desmear is Used for multilayer PCBmaking after lamination. Since the high temperature over the prepreg caused by the drilling , it could form a mo
Brown oxide is process when making mulitlayer printed circuit board before lamination. PurposebyBrownoxide 1. roughen the copper surfaceandincrease t
Persona de contacto Mr. Alex wu
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