Electronics Forum | Mon Aug 09 11:34:25 EDT 2004 | Woodsmt
I am looking for data / info on how flux may contaminate the solder in a Wave. I have a customer who requires a no clean process. Our wave is equipped with 2 separate fluxing systems and I would like to use OA in one and the No Clean in the other. Th
Electronics Forum | Fri Apr 14 11:00:38 EDT 2000 | Dave F
Mario: Your ask a very broad question and give no background information. Generally, the amount and type of residues present on a printed circuit board at the very beginning of a SMT line depends on the exposure of the board up to that point. For
Electronics Forum | Tue May 16 07:44:42 EDT 2006 | Chunks
Hi smtspecialist (man I gotta get me a name soon), NO! Your oven cannot contaminate your process. Unless you have flux residues dripping on your board, there is nothing to worry about. Now having your operators switch from leaded to lead-free smo
Electronics Forum | Sun May 21 19:18:52 EDT 2006 | grantp
Hi, I think you should be ok, as the contamination in a reflow oven is generally flux from what I have seen. I have never heard to the solder metals itself being inside the oven apart from some paste in hole we did that sometimes dropped a bit of so
Electronics Forum | Mon Jun 19 09:47:23 EDT 2017 | georgetruitt
You have a lot to think about! What does the flux manufacturer recommend as far as specifics like water temp or pressure? Do they recommend high temp di-water a detergent or saponifier? Do you currently have a cleaning machine, batch cleaner or inl
Electronics Forum | Mon Apr 14 15:37:00 EDT 2014 | jdenuzzia
If you do a search on Reflow Oven Cleaning Fluid, you will find links to companies and chemicals that can assist you. I recommend that you contact one or more of the companies and discuss your needs and the paste you are using. They should be able t
Electronics Forum | Tue Nov 14 08:52:07 EST 2017 | davef
If you think the problem is occurring in the box and it is wide spread, consider replacing your solder paste with your paste supplier. There are paste formulations aimed at the solder balling issue that some LF pastes create. On tuning your reflow r
Electronics Forum | Wed Jun 17 16:08:37 EDT 1998 | upinder singh
We are facing a problem of high contamination on boards after wave soldering. We want the contamination to be under 24 ugm/inch square. We are using a no clean flux with the spray fluxer unit of wave soldering. The contamination is higher on the end
Electronics Forum | Fri Jul 13 16:45:37 EDT 2007 | losersk8er
The Contamination has proven to be pretty random, lots of stainless steel though in fact two cases in the past two days. As far as I know all machinery is cleaned regularly as well, even the stencil washer itself. The boards we make are 90% (at l
Electronics Forum | Mon Mar 17 18:37:59 EDT 2008 | aqueous
We manufacture both bulk and localized ionic contamination testers. My answer is from the perspective of the cleanliness testing method. The issue with all bulk ionic contamination testers (Ionagraph, Omegameter, Zero-Ion), is that they test the en
