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 […]

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 […]

2. Electroplating Plate Surface Copper Particles There are many factors that cause the production of copper particles on the PCB board. From the copper sinking to […]

Copper electroplating is the most widely used pre-plating layer in order to improve the adhesion of the coating. The copper coating is an important protective decorative […]