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2022-04-12
27. Sand Blast It uses strong air pressure to carry various small particles ejected at high speed and spray them on the surface of the object […]
2022-04-12
14. Etching Resist Refers to the part of the copper conductor that is to be protected from corrosion, and the anti-corrosion film layer made on the […]
2022-04-12
Wet Process and PCB Surface Treatment 1. Abrasives Brushes Various materials used for pre-cleaning the board surface and brushing the copper surface, such as polymer non-woven […]
2022-04-11
In the process of SMT patch processing and production, auxiliary materials such as patch glue, solder paste, and steel mesh are often used. These auxiliary materials […]
