Electronics Forum | Wed Oct 23 16:56:03 EDT 2002 | mikestringer
Hi Marc I too have been using a fully synthetic Motor oil on Heller reflow ovens for a number of years. In our case Mobil 1 5W-50. We have a field failure problem with some 1% resistors under conformal coating where sulphates are dissolving the si
Electronics Forum | Tue May 27 12:40:50 EDT 2003 | davef
Hi Bill You said, "silicon". We assume by your discussion that you ment to say, "silicone". For background on silicone and soldering, check with Dow Corning [517-496-6000]. They make a OS2 [VOC-free] silicone stripper and should be able to give y
Electronics Forum | Thu Dec 22 10:51:12 EST 2005 | killer1994
Yes, I have been using it for 4 years now. We have the 4 axis, 3 head, 2 lines. Inspection station and ir oven. I have to say you will NOT get better support anywhere in this industry than from PVA. Their crew is top notch, always going above and bey
Electronics Forum | Mon May 29 04:02:51 EDT 2006 | vasily
Hi Efren Unfortunately I cannot say about prices, because I don't know them in your region. But I can offer you to consider the world-leader manufacturers of each type of equipment. I think you can obtain all information through their web-sites. We s
Electronics Forum | Tue Sep 19 13:09:48 EDT 2017 | slthomas
Thanks, all, for your responses. It's always helpful to know what everyone else is doing, whether to validate your own experience or to force you think in more detail. At this point we've determined that no amount of aperture design, material contr
Electronics Forum | Sat Oct 02 03:51:28 EDT 1999 | Brian
| | Can someone suggest what material I have to use to protect components by electrical discharge on ptfe based boards? | | It should have high resistivity, thermal stability (-40 +70 'C),perfect adherence on ptfe... | | Many tahnks | | | Don't kno
Electronics Forum | Mon Oct 04 04:37:57 EDT 1999 | Gian.D
| | | Can someone suggest what material I have to use to protect components by electrical discharge on ptfe based boards? | | | It should have high resistivity, thermal stability (-40 +70 'C),perfect adherence on ptfe... | | | Many tahnks | | | | |
Electronics Forum | Fri Mar 26 12:59:51 EST 1999 | Scott McKee
| | I am looking into replacing another business division's Acrylic coating process with our Urethane coating process. Unfortunately, MIL-I-46068 doesn't differentiate AR/UR's performance, and the MFR data sheets don't match up at all (they each spe
Electronics Forum | Thu May 09 17:13:10 EDT 2002 | davef
We are converting all our ENIG to imm silver. CHARACTERISTICS * Nominal thickness of the deposit will be 0.1 to 0.3 microns. * Deposit is flat and uniform * It will withstand multiple heat cycles in assembly, which can be problematic with tradition
Electronics Forum | Thu Nov 19 11:06:40 EST 1998 | Earl Moon
| We have some PCB�s in our warehouse in Manaus - Brazil. They are stored for more than 2 years , in a condition of 25 degrees centigrades and a humidity ranging from 60% to 90%. | Do these conditions cause the PCB�s to deteriorate over time? If so ,
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