Electronics Forum | Sat Sep 02 10:18:16 EDT 2000 | Dave F
Yanno, I just thought of an addition to #3 above. Back in the ol' days (before computer drawing) there were rooms full of people, generally guys (with plastic pocket protectors holding colored pens and ... ) leaning on drawing boards, doing whatever
Electronics Forum | Tue May 08 04:58:12 EDT 2001 | Kemosabe
I've never heard of such thing!!! We do occasionally have problems with fiducial recognition and have a difficult time convincing our operators not to use pencil erasers on them. The erasers take care of the recognition problems, but leave shavings
Electronics Forum | Fri Jan 11 00:32:16 EST 2008 | johnlee9210
Prior to packing the boards, we cover the marking on the IC by dispensing epoxy on top it. This is a way to protect our design so no one can copy it. We have a lot of boards and the optr takes a long time doing it manually. im thinking of using a pne
Electronics Forum | Mon Jan 14 23:02:52 EST 2008 | davef
You don't mention any particular IC or manufacturer or marking method. However, most IC marking is done with lasers these days. The laser actually alters the encapsulation so the only way to erase the marking is to remove the encapsulation. Otherwise
Electronics Forum | Thu Apr 07 00:31:06 EDT 2011 | rfematt
We just got a used SANYO TPM-5000 paste printer and we can't access some menus because of the Supervisor password we don't have. To reset passwords the manual asks to clear all memory, we already erased all pattern programs on the machine but still
Electronics Forum | Wed Feb 16 05:09:30 EST 2000 | Dean
You might try a no HASL spec on your fids...but shelf life may hamper copper quality. Not a pleasant situation...opertors tend to polish the fids with erasers to compensate but this leads to eraser "bits" in your equipment and your solder! Maby op
Electronics Forum | Fri Sep 01 04:30:42 EDT 2000 | Gyver
Hello Dave, The gold fingers are on graphic cards. What did you mean by DI water? I need to know that very soon, thanks a lot! Sincerely, Gyver
Electronics Forum | Tue Sep 05 16:16:18 EDT 2000 | Dave F
Yeh, gold fingers are always on any kind of cards. I just can't figure-out why.
Electronics Forum | Mon Jul 03 23:11:04 EDT 2000 | Patrick Ng
hi, We are receiving PCBs with gold fingers "discolored". The "discolored" gold fingers can be removed if rub with soft eraser! We are working with suppliers to determine the root cause and eliminate this issue. Pls assist if you have encountered si
Electronics Forum | Mon Nov 12 16:56:16 EST 2001 | mparker
did you try DRY ERASE markers? ( the ones used for white boards). It's just a thought, I'm not sure if that will work. Doesn't hurt to try.
