Electronics Forum | Sun May 25 10:30:31 EDT 2008 | necdetozyonum
Dear All, I would like to take your opinion about the result that we have faced after cleaning the PC assemblies in a cleaning machine (Miele Dishwasher) with the cleaning detergent Qualitek Everkleen 1005. We use DI water for cleaning purpose in t
Electronics Forum | Wed Nov 09 09:45:34 EST 2011 | dyoungquist
The white haze is most likely coming from your ultrasonic air humidifiers. I have seen this from a home unit that left a white residue on furniture in the house. What is your water source for the humidifiers? If it is hard water you will get more
Electronics Forum | Fri Apr 04 09:28:59 EST 2003 | davef
Q1: Anyone has any ideas on how this post-SMT reflow solder joint could have changed to whitish joint? A1: Dunno. You need to tell us more. For instance: * What is the appearance of this white residue? [eg, glassy / coarse, milky colored / opaque,
Electronics Forum | Mon Dec 06 08:55:11 EST 1999 | Dave F
Vinesh: The white residue is perfectly expected, when washing a no-clean with water (and some alcohol). In some cases, the white resin that you are seeing can be removed. Your paste supplier should be able to provide details. Recognize that clean
Electronics Forum | Sat Dec 04 02:21:32 EST 1999 | Vinesh Gandhi
Hi All, I am facing a strange problem. One of my esteemed & valued customers has an unusual requirement of cleaning the board with IPA after soldering is complete. I am using alpha metals UP78 no clean sodler paste during reflow. This IPA cleanin
Electronics Forum | Fri Aug 05 15:09:30 EDT 2016 | proceng1
I grabbed another White board that does have the "natural" board around the fiducials. Still no go. See pictures
Electronics Forum | Tue Jan 22 20:26:18 EST 2002 | davef
Help us visualize this better. * What color white [ie, yellow/white, green/white, a haze, etc.] are we talking about? * What size and shape are the spots? * Where are the spots located? * Etc Help us understand what�s going on by describing the sp
Electronics Forum | Mon Jan 18 21:05:15 EST 1999 | Dave F
| I get white residue on my PCBs after vapor degreasing. No comments on the vapor degreaser. Yes, I still use one of these. I use a vapor degreaser and a 1,1,1 replacement solvent due to the quick clean and quick dry times. Anyway, I only get whi
Electronics Forum | Wed Oct 17 19:37:34 EDT 2001 | mparker
Duh?? white residue??? could be the source of anthrax
Electronics Forum | Mon Apr 22 18:09:14 EDT 2002 | pjc
Lots of good info on this subject in the SMTnet forum archives. Please search on your topic.
