Electronics Forum: silkscreen aoi (Page 1 of 1)

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

AOI False Calls

Electronics Forum | Wed Feb 20 18:04:56 EST 2013 | hegemon

You should have a number of lighting options to deal with the low contrast lettering. Low angle, B/W, reverse color. etc... If I am reading you right, you might have your bridge inspector too far out on the lead banks, that it is seeing the silkscree

AOI Programming - Standard Industry Practice

Electronics Forum | Fri Aug 02 14:16:02 EDT 2024 | proceng1

As we are CM, our part numbers are specific to our Customers. So the "images" of NotPop parts do not vary quite as much. I basically use a COLOR INSPECTOR and choose the soldermask inside the silkscreen, which would be blocked if a part were present

AOI False Calls

Electronics Forum | Thu Feb 28 10:22:46 EST 2013 | rway

If your silkscreen is too close to the toes of your leads, you can bring the lead bank inspection box in a little bit to compensate. I haven't had many issues with tantalum caps. I inspect those under white light with no filter just fine, but then

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