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Question about Soldermask
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Jun 04.2019, 18:30:30
Dear all,
I've been working with the same PCB manufacturing for a couple of years now, but after a couple of bad experiences I'm switching to a new one.
There is one question that is bothering me regarding Soldermask: "openings in the solder-mask layers should be 0.006" larger than the copper feature."
What does that mean? If I have a pad that is 40 x 9 mils, how should the soldermask aperture be?
Thanks!!!
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