Electronics Forum | Fri Dec 13 18:35:48 EST 2002 | successmani
Thank you friends for your discussion Regarding the reason behind using Solid disk or donut fiducials.Still I am understanding clearly the reson behind using Solid disk or donut fiducial shape. In all the above discussions we had we did not discuss a
Electronics Forum | Tue Jun 16 14:35:13 EDT 2020 | dwl
for the fiducials, try a donut shape instead of a disc. The HASL solder seems to settle more evenly on a donut than it does on a dic.
Electronics Forum | Sun May 30 09:35:27 EDT 2004 | davef
Sure, I'd expect your PCB fab has given you a information sheet on handling, storage, and whatnot, including recommended temporary solder masks. The cats & kitties in the stockroom are the first people to start your search. It's probably squirreled
Electronics Forum | Mon Feb 22 14:02:17 EST 1999 | Michael Allen
We have resorted to adding a ring (or donut) around our 0.040" round fiducials. The donut acts as a "plating thief" to minimize the thickness of the copper plating (in the case of HASL finish) and of the solder plating (in the case of solder-plated
Electronics Forum | Thu Dec 12 19:37:35 EST 2002 | successmani
I would like to know the reason behind using soild disks and donut shapes as the most commonly used fiducial shapes in the Industry.Why not use square shape or diamond shapes fiducial and many more instead of circular shape or solid disks. Thank you
Electronics Forum | Thu Dec 12 19:38:42 EST 2002 | successmani
I would like to know the reason behind using soild disks and donut shapes as the most commonly used fiducial shapes in the Industry.Why not use square shape or diamond shapes fiducial and many more instead of circular shape or solid disks. Thank you
Electronics Forum | Sat Dec 06 23:59:57 EST 2003 | Dean
If this is an LSM1 or LSM 2 I have both of these. I can check the cables if you like and email you a wire diagram. I would bet dollars-to-donuts that it is a standard 25 pin parallel cable. Let me know if your interested.
Electronics Forum | Fri Apr 30 10:46:27 EDT 2004 | bpeay
Greetings all, Forget Tyco for any help but try SMS Technologies in England. These fine folk might be able to help, and they make a heck of a jelly filled donut.
Electronics Forum | Thu Apr 08 16:36:26 EDT 2004 | davef
Please send us a box of donuts, so that we don't feel so used, and we'll continue to bail you out of these perilous situations.
Electronics Forum | Sun May 30 01:17:02 EDT 2004 | johnwnz
Hmm, the type of thing you'd expect the PCB vendor to warn you about or test prior to changing their process!.. fun & games. So are they good donuts?
