Electronics Forum: etching capacitors (Page 1 of 1)

Capacitors look rotten after reflow

Electronics Forum | Sun Feb 12 10:37:35 EST 2023 | dilogic

It looks like metallization was somehow etched out from the capacitors. Does it happen on all capacitors on that PCB or just a single type?

AOI False Calls

Electronics Forum | Wed Feb 20 10:26:56 EST 2013 | wbailey

I am getting a lot of false calls on our AOI(YTV F1)on low contrast part markings like brown-on-yellow tantalum capacitors and etched oscillators, and on lead banks where the pcb has the part outlined in silkscreen. We are contract and cannot change

Why can my bare PCB be magnetized?

Electronics Forum | Thu Feb 01 03:02:50 EST 2018 | robl

Hi Rob, > > I did check with the board house, and > the confirmed that there was no Nickel plating, > but that the silver went straight onto the copper > in their immersion silver > process. > > Interestingly I've even tested an > unplated sam

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