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Problem with black solder resist
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MikeDB 4 years ago
Both the silk layer and solder resist are lifting during alcohol wash.  Hard to see here but there is bare copper showing just where the silk layer has gone.  Is this because of the matt rather than glossy finish ? Sorry for the bad photo but it's the best my phone will manage. Those solder balls are on a 1.27mm pitch, not the usual 2.54mm. ![Blackresist.jpg](//image.easyeda.com/pullimage/GSkS1TTfrufjxgwAzt8BxHmybgenTyQCrlGAfPb9.jpeg)
Comments
cjohnson 4 years ago
Not a helpful comment, but did you put in a Quality Complaint on JLCPCB?
Reply
MikeDB 4 years ago
They usually reply on here
Reply
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