What are the hazards of welding contamination after PCBA processing?

2018-12-13 11:50:41 Ramon 328


1. Organic acids in welding contamination may cause corrosion on PCBA

2. During the energization process, the electric ions in the welding pollution cause electromigration due to the potential difference between the solder joints, causing the product to short-circuit.

3. welding pollution will affect the effect of conformal coating

4. The PCBA board undergoes changes in time and ambient temperature, and the coating cracks and wobbles, causing reliability problems.

TAG:  PCBA after PCBA processing

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