Electronics Forum | Wed Dec 18 12:04:53 EST 2002 | slthomas
That issue (gasketing is what I usually see it called) was the driving force behind us getting new printers. Our old semi-auto clamshells just weren't repeatable enough, particularly over changes in squeegee travel direction. If the paste in the
Electronics Forum | Mon Feb 03 23:49:00 EST 2003 | Dreamsniper
Hi, Has anyone who's using vapor phase process able to help me troubleshoot tombstoning? I raed about uneven forces during reflow due to misalignment, pad design, paste volume deposition unevenness due to dirty stencils, worn stencil printer parts s
Electronics Forum | Fri Feb 28 00:46:53 EST 2003 | MA/NY DDave
Hi I don't believe I have ever done this or seen it, yet maybe since there are some other lube processes. Ask the Amp Guy for any older App Notes. They used to have a lot. If I got this right you could put it on the board with an applicator that c
Electronics Forum | Wed May 12 12:11:54 EDT 2004 | solderpro
Bruce, regards to all who are trying to help and have great input, with those type of lead length, I would be very impressed to see you get rid of the problem, and as the others said, no clean in a foam fluxer, not good but workable.... the real issu
Electronics Forum | Wed Jul 30 21:20:07 EDT 2003 | davef
It's good for Cookson shareholders that something has forced the managers of Cookson to come to their senses, finally. All those aquisitions never made sense to anyone, except the MBAs and lawyers that reaped the fees from all that paper shuffling.
Electronics Forum | Wed Aug 13 22:44:26 EDT 2003 | Dean
We have two major industry leading customers that are driving a lead free process. We have chosen to embrace it, invest in the technology and process and become a regional leader in lead-free process. Like most companies we kept current on the tren
Electronics Forum | Fri Aug 22 15:49:40 EDT 2003 | paulm
Thanks Steve for your rather colorful and sarcastic input. If I correlate your asteroid assessment with what our QA Departments data(that tells us we are experiencing this problem about 5% of the time and I am guessing higher when we are forced or re
Electronics Forum | Tue Sep 16 10:15:33 EDT 2003 | Gabriele
Hi James, is it your oven a convection forced air ? if yes you should check if air flow speed is too high. Also, some time ( do not smile pls !!) it could be a metter of magnectic field inside oven tunnel. The SOT leads are normally madeby A-42
Electronics Forum | Wed Sep 17 03:15:40 EDT 2003 | Daan Terstegge
Are there via's underneath the Tantalum, closed with soldermask on the other boardside only ? I've had a situation recently where a chip resistor was blown away by the outgassing of via's under a Tantalum. The presence of the Tantalum caused the vap
Electronics Forum | Thu Oct 02 13:37:52 EDT 2003 | gregp
"Proper industry naming conventions" I believe does not exist. You must make your own comprehensive convention and force all those that create the new package types to first scour the database to see if the part already exists. Sometimes it will be
