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2022-05-05

Analysis of Improving the Quality of Printed Circuit Board Etching Process (1)

I. Introduction The purpose of Prinetd Circuit Board Etching Process: After the circuit is electroplated, the board removed from the electroplating equipment is processed to complete […]
2022-05-04

Electroplating Process Learning Materials (1)

1. Classification of Electroplating Processes: Acid Bright Copper Electroplating Nickel/Gold Electroplating Tin Electroplating 2. Process Flow: Pickling → copper plating on the whole PCB board → […]
2022-05-04

Electroplating Process Learning Materials (2)

(3) Acid Degreasing ① Purpose and Function: Remove the oxides on the copper surface of the circuit, the residual glue of the ink residue film, and […]
2022-05-04

Electroplating Process Learning Materials (3)

(9) Nickel Plating ① Purpose and Function: The nickel-plated layer is mainly used as a barrier layer between the copper layer and the gold layer to […]