A couple of weeks ago I asked all of you about the dangers of using
tented LPI vias. I received an overwhelming response that while it is
good for assembly, it may be very detrimental to the boards'
reliability due to chemical interaction of contaminants and uncured
LPI in the via. Why then does it seem that everyone is using tented
vias and why haven't we heard of problems arising due to your
concerns?
Frank Hinojos
Watkins-Johnson Co.
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