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2022-05-06

Main Reasons for Blackening of The Electroplated Gold Layer in PCB Processing

About the causes and solutions of the blackening of the electroplated gold layer, here are three common causes of problems for reference. 1. Thickness control of […]

2022-05-06

Handling of Common Problems in Solder Mask Ink Screen Printing

Solder resist ink printing in the PCB process is to apply the solder resist ink to the printed circuit board by screen printing. This article lists […]

2022-05-05

Analysis of Improving the Quality of Pircuit Board Etching Process (3)

4. The Maintenance of Etching Equipment The most critical factor in the maintenance of etching equipment is to ensure that the nozzle is clean and there […]

2022-05-05

Analysis of Improving the Quality of Pircuit Board Etching Process (2)

3. Equipment adjustment and interaction with corrosive solution In printed circuit processing, ammonia etching is a relatively fine and complex chemical reaction process. In turn it […]