Electronics Forum | Fri Jun 11 03:39:26 EDT 1999 | Gyver
| | | | Hello all! | | | | Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt
Electronics Forum | Mon Apr 26 16:06:32 EDT 1999 | Chrys Shea
Hey - remember the evaluation of VOC-Free fluxes that I promised a couple of months ago? well, I finally scrounged up the time to remove the propreitary (board name and number) info from the report. So it's ready. I posted it in the SMTnet library
Electronics Forum | Mon Apr 26 21:29:34 EDT 1999 | Dave F
| Hey - remember the evaluation of VOC-Free fluxes that I promised a couple of months ago? well, I finally scrounged up the time to remove the propreitary (board name and number) info from the report. So it's ready. I posted it in the SMTnet libra
Electronics Forum | Wed Aug 21 18:24:24 EDT 2002 | dragonslayr
surely, a big picture perspective is in order to keep from charging off, tilting at windmills and waning Quixotic. Just to tic ya off a bit more (come on now, smile), would those 2 boards in rework have just one defect each or are there multiple def
Electronics Forum | Thu Sep 26 20:43:51 EDT 2002 | davef
"OK. If the connection doesn't look like I expect it to look, how do I know that the metallurgy is correct?" Comments are: * There are no pictures that will get you though this. * You should expect that gold that is dissolved in Pb/Sn solder to make
Electronics Forum | Fri Apr 18 08:24:49 EDT 2003 | tsongshe
Hello,all.these days I met many skewed transistors after reflow soldering.we 've tried many ways attemting solving it thoroughly...changing the aperture pattern,solder volume and even changing the size of pcb pad,but the results are not very good.eve
Electronics Forum | Thu Nov 19 14:38:49 EST 2009 | doremi
Oh, my dear, printer is just a part of the full picture. Without good and stable pick and place what if the printer is excellent???It is all important - printer, solder paste,stencil,P&P,oven,AOI and of course good process engineers or whatsoever are
Electronics Forum | Fri Mar 26 15:36:50 EDT 2010 | krish_bala
Hello Graham, We are currently using Tacky Gel Flux during our replacement process. We dip the BGA component on the flux prior to placement. Once it is dipped, the alignment and placement is done. As for the profile, I believe I am hitting the corr
Electronics Forum | Mon Oct 12 03:09:06 EDT 2015 | akon63
Problem with cleaning these machines is once you > start it's easy to get carried away. ;) > > We > cleaned our SPA-400F a few months ago, had been > offline for a while as we were using our > SPA-250. > > It started as just a clean and to > r
Electronics Forum | Tue Aug 22 20:29:23 EDT 2000 | Earl Moon
No advertising! Yes sirs! I have placed my hat, head, body, and soul into what Dave and Jax have finally said, plus the fact this forum is totally turned commercial and we pundants have to obey the no advertising rule while the forum management seek
