The bare circuit board may be assembled on different levels. A cheaper level of the board may have some missing parts that go into a final product at a cheap level. Some boards with special features tend to face the same problems, te. Label part numbers to help identify this problem.
By the way, the assembled board might have a stick-on label with the final assembly number.
#PCB-assemblage
I noticed that most PCB and components on it are conformal coating. Is that a necessary process for all the PCB in other field? What are they for?
I recently finished my PCB design files and had to release to manufacturer for order production, but I am really worry about file confidentiality leaking. How can I in this case?
A batch of PCB got wet in warehouse due to roof linking. Too terrible to shoulder the lost. How can I do to rescue these wet PCBs? Or to minimize the damage?
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