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solder mask peel off

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#83779

solder mask peel off | 20 November, 2019

Hi, i'm facing solder mask peel off but limited to the solder defined pad only(opening area). no peel off on the other area and it happened on electroless nickel immersion gold finishing only. for other finishing is not affected. kindly advise if you ever encounter similar issue

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SMTA-Norah

#83925

solder mask peel off | 11 December, 2019

Yes, a polite complaint to our board shop later and the next batch didn't have that problem at least. I'm not convinced it's an ENIG issue as there was variability panel to panel in the first place.

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