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2022-01-11
According to the company’s own conditions, a large number of experiments have been carried out on the pre-treatment process, parameters and matters that should be noted […]
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Analysis and discussion of common problems in the pre-processing of PCB screen printing: (1) Dotted oxidation on the copper surface There are oxidation spots on the […]
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Description And Reasons of Poor Plating During PCB Electroplating: 1. Pinhole. The pinholes are due to the hydrogen adsorbed on the surface of the plated parts, […]
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Description And Reasons of Poor Plating During PCB Electroplating: 21. Mold contamination of the plating solution (more common in nickel plating tanks, because the environment of […]
