Electronics Forum | Thu Feb 03 21:20:50 EST 2000 | Dave F
Ignacio: Try: Electronic Packaging & Interconnection Handbook, Harper, (ISBN 0070266948) Printed Circuit Board Materials Handbook Jawitz, MW McGraw-Hill 1997 (ISBN 0070324883) merix.com/resourcecntr/materials/mtl_property_comp.html norplex.com/TD_L
Electronics Forum | Fri Feb 11 10:37:54 EST 2000 | Leslie Hall
I'm trying to find out what is considered a standard or what other companies are doing to test their cuircuit boards. Is everyone using a envirmental room if so what is the ramp up and how long do you test it? Thanks
Electronics Forum | Fri Feb 18 09:12:13 EST 2000 | Leslie Hall
Thanks Dave F for you 2 cents. You bring up some important points that what one person is doing isn't neccesary right for us. Someone might burn in their boards for 10 hours in temperature but their ramp time is only an hour versus someone else is
Electronics Forum | Sun Nov 10 15:36:06 EST 2013 | davef
Assuming your conformal coating material was selected with the intent of living a life in contact with oil, why doesn't your coating meet the IPC-A-610D requirement of that there be no voiding, no breaks in the surface, no loss of adhesion, etc? Furt
Electronics Forum | Mon Feb 14 12:07:47 EST 2000 | Dave F
Leslie: Product screens and tests of prototypes and test vehicles should be tailored for the specific goal and product. I caution your use of equations and test condition information without specific use environments and design conditions. Lawyer:
Electronics Forum | Tue Jul 15 10:36:33 EDT 2003 | davef
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Electronics Forum | Wed Mar 04 07:08:55 EST 1998 | Pat Copeland
I am looking for information on reflow temps for a flex board. There is only one 6 pin IC but the board has a 3M double sided tape. Is it possible to reflow without damaging the tape. Any suggestions?
Electronics Forum | Thu May 20 14:32:06 EDT 2010 | davef
First, what's wrong with some dewetting of conformal coating on component bodies? Second, there are chemistries that might be able to remove silicone mold release, but cleaning the chemistry is not easy without affecting the whole board, as you impl
Electronics Forum | Wed May 19 19:46:41 EDT 2010 | jry74
I am experiencing sporatic de-wettting issues, so I have been thinking about ways to clean fully assembled circuit boards that have open switches, contacts, etc. I also suspect that that plastic bodied components have residual silicone mold release
Electronics Forum | Thu May 20 07:52:36 EDT 2010 | rgduval
In general, cleaning with deionized water is acceptable for most component. Open switches and contacts, in general, do not get damaged in this process. A good drying is required, of course, after washing. However, you've described dewetting issues
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