Electronics Forum | Thu Sep 22 18:23:14 EDT 2005 | arnie
Hi, I am having a problem with component position on a flex circuit. It is an eight up panel. The flex circuit is mounted on to a piece of fr4 with presure sensitive adhiesive, this is done out of house. The problem is, I will locate the parts on one
Electronics Forum | Fri Sep 23 08:35:05 EDT 2005 | jdengler
I agree with the local fids concept. This is usually a problem since the flex will most likely not have fids. However if your components are 50-mil pitch and 1206 or larger, you could use tooling holes to align the flex circuits when they are attach
Electronics Forum | Thu May 04 13:35:28 EDT 2017 | jmathis
Hello All, I was given an assembled flex circuit PCB and asked how the board was depanelized as there are no view-able witness marks that I can see. Any ideas? Thanks in advance on any insight to depanelizing without leaving witness marks on the F
Electronics Forum | Fri Sep 23 03:10:03 EDT 2005 | dougs
Sounds like your using global fids, if there are marks on each board use local fids and that should help.
Electronics Forum | Fri Sep 23 04:14:02 EDT 2005 | Rob
Yes it is a problem with nearly all flex's, & Doug's way is also the way we do it.
Electronics Forum | Fri Sep 23 11:13:10 EDT 2005 | arnie
I have been using local fids, and the machine comes up with board stretch or shrink errors on some boards.
Electronics Forum | Fri Sep 23 11:32:53 EDT 2005 | PWH
Increase search box size for fids if you can.
Electronics Forum | Sat Sep 24 00:47:33 EDT 2005 | Ken
If your having placement problems are you having printing alignment problems?
Electronics Forum | Thu May 11 02:33:20 EDT 2017 | pcbfox
Hi , Can you put a pic here ?
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