Electronics Forum | Wed Jan 21 06:27:15 EST 2009 | gidster
Seem to be having difficulty with a MPA power source,it powers itself down every now and then. I have changed the relays nc4d and nc2d seems to work for a while but then it rears it's ugly head again, has anybody got any ideas or schematics as the ma
Electronics Forum | Thu Jan 29 17:04:43 EST 2009 | jeffjarmato
I run two different waves here one with SAC305 with aqueous flux the other with SN100C and No clean flux. Does anyone see any issues with running product through either machine of course after changing the Flux type? I also only use SAC305 alloy for
Electronics Forum | Fri Feb 20 02:09:23 EST 2009 | nibirta
Hi all, I have a question regarding some wave pallets having metallic traces of Titanium. The solder mask is blistering in some locations on the PCB and I am wondering if this Titaniumn may have an influence by incresing locally the temp. Also we ar
Electronics Forum | Wed Apr 22 14:34:13 EDT 2009 | Quijano
Just to add a comment, we were using AIM Lead Free (SAC 305/ NC254 & 257) in the past and we had Voiding problems, then we tried Indium 8.9 HF, and we have better results, so now we are evaluating change to Indium for many of our products.
Electronics Forum | Thu Apr 09 21:15:43 EDT 2009 | qualityguy
Interesting, A north American Solder resist firm stated the same thing to a degree. They said altering the resist cure profile can effectively change the surface energy thus making the surface more conducive to conformal coat adhesion. At in coming
Electronics Forum | Tue May 05 18:00:44 EDT 2009 | suepow
We recently started doing our own Parylene Coating on site. I am looking for some advise on the best way to remove the masking after coating. Is there a document anywhere that addresses this subject? Our fellow doing the coating had only about 2 we
Electronics Forum | Wed May 06 17:41:07 EDT 2009 | wbaldwin
We seem to get "internal Error" crashes everytime we change programs on the series 3 Agilent SJ-50 AOI machines, as well as random crashes during inspection. Was just wondering if any other users out there are experiencing the same things, and if th
Electronics Forum | Wed May 20 17:18:09 EDT 2009 | daxman
Just out of curiosity, how are you or anyone else determining a defect? Last I checked, IPC had no criteria yet for solder defects for QFN components. Has this changed? Biggest problems we see are voids which our x-ray shows a lot of. Our problems
Electronics Forum | Tue May 12 21:51:23 EDT 2009 | dynamicsource
I just want to check with you guys, those who have Heller reflow oven and has lifetime warranty if warranty is still lifetime. We were told that warranty for blowers and elements are now just limited to 8 years, though when the machines were bought,
Electronics Forum | Mon May 25 07:40:38 EDT 2009 | nibirta
One of our customer wants to change the process from OSP boards to ENIG. His question was: what is the failure rate for ENIG in the last 3 years? well...what to say? I was suggesting a ImAg instead of ENIG. But..nope. Any ideea about this topic? For
