Electronics Forum: mylar problems (10)

Fuji CP642 Feeder Problems

Electronics Forum | Mon Nov 24 17:27:39 EST 2003 | rrr

typically when i've seen this problem it is because the back of the mylar is sticky. Have you tried different parts?

Board Stretch...Is there a relevant IPC spec?

Electronics Forum | Thu Aug 23 15:38:58 EDT 2001 | mparker

Bingo - the mylar is the problem. Ask the fab vendor what storage and humidity controls they use on the photo tools. The films can changed geometry from day to day depending on the ambient environment. What controls are used during production? The ra

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