Electronics Forum | Wed Apr 23 19:00:39 EDT 2008 | stevek
It depends on the laminate but a PWB is like any other MSL component. Some fab shops are only waranting standard FR4 laminates for 45-60 days when processed at lead free temperatures. The best thing I can say is to try some weight gain/loss experim
Electronics Forum | Wed May 19 11:28:44 EDT 1999 | Martin Benites
Hi everyone. My name is Martin Benites from LIma, Peru. I am actually working on a project for automate PCB assembly process in our industry. Actual process is hand-based, thus our startpoint is zero equipment. I have already asked some companies fo
Electronics Forum | Mon May 24 12:40:50 EDT 1999 | Deon Nungaray
| Hi everyone. My name is Martin Benites from LIma, Peru. I am actually working on a project for automate PCB assembly process in our industry. Actual process is hand-based, thus our startpoint is zero equipment. | I have already asked some companie
Electronics Forum | Thu May 20 10:45:43 EDT 1999 | Nancy V
| Hi everyone. My name is Martin Benites from LIma, Peru. I am actually working on a project for automate PCB assembly process in our industry. Actual process is hand-based, thus our startpoint is zero equipment. | I have already asked some companie
Electronics Forum | Thu May 20 10:46:53 EDT 1999 | Nancy V
| | Hi everyone. My name is Martin Benites from LIma, Peru. I am actually working on a project for automate PCB assembly process in our industry. Actual process is hand-based, thus our startpoint is zero equipment. | | I have already asked some comp
Electronics Forum | Mon Jul 23 18:42:50 EDT 2001 | johnmaetta
We are currently re-thinking our policy of no-clean and would like more information from users of both process'. Our assemblies exhibit residue and other 'contaminates' and this raises questions at our customer sites. Thanks, John
Electronics Forum | Thu Jul 26 13:31:52 EDT 2001 | Hussman
John, Are these spots the result of repair? I notice a lot of repair people love to squirt flux onto the board when they repair it.
Electronics Forum | Sun Jul 29 09:22:54 EDT 2001 | davef
Tough to say. The residues from fluxes vary according to the suppliers' forulations. Consider: * Talking to your supplier. * Running life cycle tests.
Electronics Forum | Mon Jul 23 20:28:17 EDT 2001 | davef
We run both NC and OA flux, although the majority of our product is run on OA. For application not requiring uBGA, we find the benefits of NC elusive, at best. What? .... Your customer recognizes that initially the NC res in non-ionic, but sticky.
Electronics Forum | Wed Jul 25 09:08:19 EDT 2001 | caldon
Our July 2000 empfasis article has a residue topic available for down load. http://www.empf.org (look under empfasis). Also, there are tons of Tech Pubs information available for down load via our web site as well. Caldon W. Driscoll ACI USA 610-36
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