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2022-01-11

Analysis and Discussion of Common Problems in Pre-Processing of PCB Silkscreen

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 […]

2022-01-10

Description And Reasons of Poor Plating During Electroplating 1/3

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, […]

2022-01-10

Description And Reasons of Poor Plating During Electroplating 3/3

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 […]

2022-01-10

Description And Reasons of Poor Plating During Electroplating 2/3

Description And Reasons of Poor Plating During PCB Electroplating: 11. Recess plating. There are sparse and dense irregular cavities on the surface of the coating (different […]