Electronics Forum | Thu Jul 15 16:22:22 EDT 2010 | wrongway
If you found one for that price would you realy trust that it would be as good as you would need it to be
Electronics Forum | Tue Oct 30 10:54:37 EST 2001 | slthomas
Hey, Preacher, choir here. Unfortunately I didn't get to make the call here (hot boards, new product, same ol' same ol'), but I dam* well am looking for future (print) backup to assist in persuading the bottom line guys that it's cheaper to wait for
Electronics Forum | Sun Apr 16 14:37:25 EDT 2000 | Roberto Navarro
Hi, I work for Nortel and here rework BGA'S we use DRS22 rework station and CRT 2000 X-ray inspection. The main problem is put again the BGA on the PCB because you need reboling the PCB and you could damage the soldermask. Talking about Air-vac is ve
Electronics Forum | Mon Oct 29 20:19:44 EST 2001 | davef
DON'T do it!!! The two problems you'll have are: 1 Poor manufacturing process control, resulting in weak solder connections. 2 Weak solder connections are stressed, when the board is straightened upon installation in the "box". There's several hits
Electronics Forum | Fri Mar 24 13:25:24 EST 2006 | patrickbruneel
See Samir that's what happens if you go too lead-free seminars, they feed you crap. If they served you lunch with bismuth chips its time you see a doctor or you end up like WML. By the way any takers?? Who in this forum volunteers to be the first to
Electronics Forum | Tue Feb 23 13:49:20 EST 2010 | davef
There should be no problem. Recognize that the residue of some low residue fluxes turn a milky-white color when you wash them. This could freak your quality people.
Electronics Forum | Wed Feb 24 08:21:54 EST 2010 | vleasher
Thanks for the input! We are doing a few protos this week and we will see how they go!
Electronics Forum | Wed Feb 24 11:28:09 EST 2010 | vleasher
I apologize for being so vague. It is a standard leaded process using ALPHA OM-5100 for the SMT. So would a reduction in wash temp result in less white residue?
Electronics Forum | Thu Feb 25 10:30:21 EST 2010 | davef
It sounds like your poly dots are secreting something that affects coating thickness. Is this a function of the adhesive used by poly dot supplier?
Electronics Forum | Fri Feb 26 10:34:03 EST 2010 | kpm135
If I had to guess I'd say they're using a silicone based adhesive.