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Xiuxiu Liu
How to measure copper layer thickness
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May 13.2019, 14:28:15
Hello,
i got some PCB′s ordered with a copper layer thickness of 105um. I had some doubt because traces kept breaking on the pcb and cut of a small piece off on one of the boards. I had to remove the solderstopmask with a knife and measuered the thickness in the attached picture.
I measured a thickness of about 80um, did i make a mistake measuring the thickness like this or did the manufacturer use 70um copper?
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