Electronics Forum | Tue Sep 09 16:10:15 EDT 2008 | davef
We don't know a Siemens S-27 Error Code from a shoe box, but our old friend Stefan Witte is wizard on Siemens machines. He has posted some troubleshooting guidance on his site. If that doesn't help; contact him, plead for mercy, and he probably will
Electronics Forum | Fri Sep 05 12:15:34 EDT 2008 | evtimov
All, Does anyone have experience with underfill > 300balls BGA connector? We have a component with > 300balls BGA connector that connectorize with > Flex. Customer wants to have an > underfill > > Questions - Possibility for > underfill 300ba
Electronics Forum | Sun Sep 07 09:57:23 EDT 2008 | davef
We have BGA connectors on rigid laminate. Points are: * We love BGA connectors for mating mother/daughter boards because they eliminate the wave solder step required for PTH connectors. * BGA connectors are very tricky to assemble, much trickier than
Electronics Forum | Fri Sep 05 13:21:26 EDT 2008 | gregoryyork
We manufacture a low cost machine completely Air driven for Misprints only but dont have an agent in the USA unfortunately or could have demo'd it for you They do work very well with IPA derivative cleaners but IPA on its own is very poor. Best metho
Electronics Forum | Fri Sep 05 13:33:28 EDT 2008 | jmiller
We are having problems with relay package seals cracking and moisture intrusion in power relays on thru-hole assemblies. we use a few different brands of thru-hole relays, we are using a sn-pb process right now and just going to lead-free. the contra
Electronics Forum | Wed Sep 10 10:04:52 EDT 2008 | vladig
And I bet you are not alone :-). All I'm trying to say is that there are problems which can be fixed by knob turning, but there are also others which can not. So, the appropriate analysis should be done to find the root cause and fix them. In the re
Electronics Forum | Wed Sep 10 10:49:23 EDT 2008 | slthomas
You missed my point. People often don't find the need to post their problems here to begin with because "knob turning" solved them *before* they needed to lean on the collective experience of SMTnet, Technet, or what-have-you. Your posts seem to b
Electronics Forum | Wed Sep 10 11:34:05 EDT 2008 | patrickbruneel
Amen to that!!! When I was still on the production floor and had problems I couldn't go to the production manager and tell him/her we had to shut down the production line and have the boards send in for analyses. (He/She would have seriously questio
Electronics Forum | Wed Sep 10 14:56:57 EDT 2008 | rarnold
I am dealing with a similar uncoalesced solder issue. This defect has come and gone several times during the last 6 months. See image. In my case, I am using conventional SnPb solder and an entire strip of my OSP finished board (includes various de
Electronics Forum | Wed Sep 10 15:37:31 EDT 2008 | scottp
At the risk of painting with too broad a brush: QEs are like seagulls: fly in, make lots of noise, crap all over things, then fly away. Back to the knob turning vs. analysis debate. Part of it may be different industries. We're in the high reliab
