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Goop on small components, what is this?
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May 29.2019, 18:15:09
I've always wanted to know this but I am too embarrassed to ask at work.
Boards that come from the EMS we use have red goop on some of the 0201 components. I've seen this before but there is more of these on this product.
It looks like some kind of glue perhaps intended to keep the part from tombstoning? But how is this applied? I can't imagine that it would be manual and how would they know to apply it on some parts but not others?
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