Hi folks,

I'd like to know where could I find a guide to help me to interpret the
results of some microsections. These were performed in an external lab, but
its conclusions didn’t match with the opinion of the specialist of our
customer. Cross-sections where performed in a multilayer board. The defects
found are very clear (some inner layers are separated from barrels) but the
conflict we have is what was the root cause.

I will appreciate any kind of help. Thank you in advance.

Juan

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