Electronics Forum | Sun Jan 31 18:05:30 EST 2010 | davef
Questions are: * What kind of oil is this? Where did it come from? * In olden days, we used to pour oil on the wave solder pot to limit dross formation and loosen-up the solder. Miss that stuff, sigh. * Is there oil under the BGA? It's surface ten
Electronics Forum | Fri May 24 14:42:42 EDT 2013 | davef
Wave Soldering Oil * Qualitek International 2020 Wave Oil qualitek.com/2020_2100.PDF * Hi Grade (H.K.) Ltd. #9300 water soluble wave-oil higrade-hk.com * Solder Connection Wave Oil solderconnection.com/prod_category.php?category=PCB%20Assembly%20M
Electronics Forum | Sun Nov 10 09:58:38 EST 2013 | kumuda
We have been using a circuit board in the assembly of HV Tank used in X-ray generator. This board acts as a sealant to the oil tank opening. The top side area of the board which comes in contact with oil is conformal coated to avoid oil leak. However
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 13 22:09:08 EST 2006 | Baer
Hi all, I will do my best to answer questions on MS2 here. I will try to check back at least every other day. The MS2 does not mix with the solder. It only reacts with the dross. It does not get down into the pumps. It was just formally anounced la
Electronics Forum | Thu May 13 21:45:14 EDT 1999 | ardis
I am seeing reflow around my signal pins after being subjected to a profile of 204c for 1 minute and 225c for a min of 30 seconds. Signal pins are soldered into a copper plated alum. case with SB5 and then silver plated. The pins have a hot oil tin
Electronics Forum | Wed Mar 15 17:37:30 EST 2006 | Dan Feinberg
Greetings all, Dross has no value to the assembler. It actually degrades quality as a clean solder pot provides a more consistent process. Yes, removing dross does remove some metallic contaminates but that is overkill, like throwing away your refrig
Electronics Forum | Fri May 14 00:28:09 EDT 1999 | Mike D.
| I am seeing reflow around my signal pins after being subjected | to a profile of 204c for 1 minute and 225c for a min of 30 seconds. Signal pins are soldered into a copper plated alum. case with SB5 and then silver plated. The pins have a hot oil
Electronics Forum | Wed Feb 28 19:48:11 EST 2001 | davef
If we were talking about a single board problem, we�d be thinking about the laminate, but since you imply the problem is broad-based across multiple assemblies, consider the following machine parameters: * Crank-up preheat time / temperature to driv
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
