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2022-02-23

Cleaning Method of PCB Substrate Surface (1)

The surface quality of the copper foil plays an important role in the success and throughput of the image transfer process. The surface of the copper […]

2022-02-23

Cleaning Method of PCB Substrate Surface (2)

B. Machine Cleaning During machine cleaning, the machine is typically cleaned by abrasive brushes. Figure 7-2 Use solvent strippers such as corundum, corundum, alumina, and silicon […]

2022-02-23

Inspection Method of Assembled Printed Circuit Board

In order to fulfill the requirements of printed circuit board inspection, a variety of inspection equipment has been produced. Automated Optical Inspection (AOI) systems are often […]

2022-02-22

PCB Prototyping or Small and Medium Batch Circuit Board Production Process (1)

1. Single-sided rosin PCB board (no drilling, punching with die) Cutting material — silk screen circuit (black oil) — etching — etching QC — hand drilling […]