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Plating process for universal PCB circuit board

Circuit board plating process, about classification: acid bright copper plating, electroless nickel / gold, tin plating, the of is about on the circuit board processing, electroplating process technology and process, and the specific operation method.
technological process
Leaching in acid, full plate electroplating copper, graphic transfer > acid in addition to oil, two-stage countercurrent rinsing, micro erosion and two stage countercurrent washing, leaching acid > tin > secondary countercurrent rinsing, countercurrent washing, leaching, acid pattern plating copper and secondary countercurrent rinsing, nickel plating, secondary washing, citric acid, gold-plated, recovery, leaching 2-3 grade water washing and drying.
Hits:  UpdateTime:2016-02-17 15:17:33
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