Electronics Forum | Sat Jun 13 11:00:21 EDT 1998 | Earl Moon
| We are very concerned about outgassing in wavesoldering. | If anyone knows how to use properly well pcb's before soldering in order to avoid this problem please let me know. I have this problem in FR4 large double sided pcb's. My soldering line is
Electronics Forum | Thu Jun 28 17:05:46 EDT 2012 | davef
Here’s what we seem to know: * There’s a problem with voiding in the solder connections of SMT capacitors * A void is an open area caused by air or process fluid that is trapped within a solder connection * Voids are an allowable condition as long as
Electronics Forum | Thu Oct 05 10:37:10 EDT 2006 | David
Hello all, We have problem with voids in one of our product. We are soldering IC (package SO8) with under the components grounding connection. The ground pad for this component has 3 via holes (before producing we have to cover this 3 holes from b
Electronics Forum | Mon Feb 19 22:56:20 EST 2007 | davef
Russ We agree with your comments on plugging from one side only. But... We believe that it IS possible to trap process chemicals [technically, not flux] in a blind [or any other] via. This can be done by plating the via closed, rather than pluggi
Electronics Forum | Thu Jan 26 17:59:07 EST 2006 | GS
How is RH% inside your Dry Cabinet ? What is the most critical MDL of your MSDs soldered on your board ? Best instructions about Handling of MSD you can get from Standard J-STD-033B/C. The defects you encountered at test it could be moisture absor
Electronics Forum | Thu Jul 09 11:20:24 EDT 1998 | Justin Medernach
| I am looking for a little enlightement with an issue that we have been seeing. We have printed curcuit board with multilayer and HAL finished. | After reflow soldering, we have often "blister phenomenon". | Our reflow profile is normal. Factory
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