Electronics Forum | Mon Jul 16 14:48:16 EDT 2001 | mparker
Just received "Circuits Assembly", July 2001 issue. An article regarding solder balls and aperture design, beginning on page 40. This DOE had aperture, reflow profile and no clean pastes (3 types) as attributes. It is advocated that a U-shaped a
Electronics Forum | Fri Jan 10 11:36:03 EST 2014 | rgduval
One thing you could check/monitor is the temperature in the pot/wave. As boards run across the wave, they will cause fluctuations in the wave temperature. The heaters should hep with minimizing this; but, if you're running a lot of boards in quick
Electronics Forum | Mon Aug 23 21:47:49 EDT 2004 | Jefflee
Hi Terry, Thanks for the reply,but if the Bga are in big quantity like 10k and above,is there any faster method to solve this problem
Electronics Forum | Tue Jul 29 13:09:26 EDT 2008 | gabriella
Hi, for this kind of issues I will always go with the flux first. Are you using only one type of flux? Is it alcohol based or water based? Do you apply a good quantity? Second I will go with the wave shape and speed, and last will be the temperatur
Electronics Forum | Tue Dec 26 21:28:56 EST 2006 | generalrp
Hello! About Dross reducing(recycle)everyone can check the following patent. US PATENT # 616,161 1898 year!!!! Also, from the contemprorary patents, US PATENT # 6,942,791 and some others. If using MS2 molten solder surfactant, every week you wi
Electronics Forum | Sun Aug 15 05:45:15 EDT 1999 | Brian
Boca, Dave Sorry, but I cannot let this go. I'll go along with you that, at the time that the Montreal Protocol was initially signed (September 1987), there was no scientific proof that CFCs etc. were causing ozone depletion. There was, however, ve
Electronics Forum | Thu Aug 12 05:33:23 EDT 1999 | Brian
| | (snip) | | | | You're quite right. However, anyone who uses MeCl in an aerosol spray needs his head examining. I'll go further: if he continues, he will most CERTAINLY need his head, the rest of his CNS and his liver examining a little later on
Electronics Forum | Thu Aug 12 22:23:23 EDT 1999 | Dave F
| | | | (snip) | | | | | | You're quite right. However, anyone who uses MeCl in an aerosol spray needs his head examining. I'll go further: if he continues, he will most CERTAINLY need his head, the rest of his CNS and his liver examining a little
Electronics Forum | Fri Aug 13 10:39:25 EDT 1999 | Boca
| | | | | | (snip) | | | | | | | | You're quite right. However, anyone who uses MeCl in an aerosol spray needs his head examining. I'll go further: if he continues, he will most CERTAINLY need his head, the rest of his CNS and his liver examining a
Electronics Forum | Mon Dec 22 12:49:19 EST 2003 | Marc Simmel
The boards are vacuum packed in quantities of 50 pieces and used within an hour or two of opening; no nitrogen storage. The boards are processed in a double-sided smd process.
