Electronics Forum | Tue Apr 23 10:31:59 EDT 2019 | laserpro
Hi all and thanks for viewing my post! My questions related to the subject line are as follows: 1. Does the Epoxy Solder Mask Layer of a PCB protect against moisture absorption? Is this a primary function of the solder mask? 2. Does exposed FR4 na
Electronics Forum | Tue Apr 23 17:18:54 EDT 2019 | laserpro
Hi Dave, Thanks a lot for your reply. After doing some process work on a Laser Etching machine it was brought to my attention by a colleague that if the solder mask was being penetrated fully, we could be at risk for absorption of moisture leading
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