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2022-02-15

Application of Screen Printing in PCB Manufacturing

With the continuous development of screen printing technology, the new screen printing materials, screen printing process and testing equipment used in the PCB industry have been […]

2022-02-14

How to Prevent PCB Board Warpage?

The maximum warpage or twist of IPC-6012, SMB–SMT circuit board is 0.75%, and the warpage of other boards generally does not exceed 1.5%. The warpage allowed […]

2022-02-14

Three Main Reasons for Copper Rejection in PCB Factories

Three Main Reasons for Copper Rejection in PCB Factories Factors of PCB factory process: 1.1 The copper foil is over-etched. The electrolytic copper foils used […]

2022-02-14

Soldering Part for External Inspection of PCB

When inspecting the soldering part of the PCB board, we can use the following four methods. 1. PCB triangulation Method (light cutting method, light structuring method) […]