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2022-01-03
1. Bridging The causes of bridging are mostly caused by excessive solder or severe edge collapse after solder printing, or the size of PCB substrate solder […]
2022-01-03
Here are 10 things to pay attention to: 1. The outer frame (clamping edge) of the PCB assembled board should adopt a closed-loop design to ensure […]
2022-01-03
One of the unique processes of the flexible printed board manufacturing process is the processing procedure of the cover layer. There are three types of processing […]
2022-01-01
3. Electroplating Pits There are many processes caused by this defect, from copper immersion, pattern transfer, to electroplating pretreatment, copper plating and tin plating. The […]
