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Date: | Tue, 17 Jun 2014 22:41:40 +0000 |
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Hi all,
One of our aerospace customers is requesting boards depanelized from support frames.
I looked into router, but the conformal coating tends to smear and will be a significant FOD issue later.
We are willing to invest in laser, however, the result is a bit of charring on the edge, not much of a surprise. Unfortunately, this example http://stevezeva.homestead.com/Capture.JPG was rejected on IPC-A-610-Rev E Para. 10.7.4 "Solder Mask Coating-Discoloration" "Burned or charred solder mask material.
In my opinion, this is not within the "spirit of the law" since there are no specific provisions for laser depanelization, only marking.
Anyone know of some way around this?
Ed Popielarski
Engineering Manager
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