Electronics Forum: wash mineral (Page 1 of 2)

CP6 Nozzle sticking

Electronics Forum | Wed Mar 09 07:44:32 EST 2005 | cyber_wolf

Ya know, The weird part is that we seem to have a real bad rash of nozzle sticking right after windmill PM's. After the machine runs for a week or so it seems to get way better. Like 99 to 100 % better. This leads me to believe that it is not a Z h

PCB washing

Electronics Forum | Thu May 24 23:07:55 EDT 2007 | colormaker

Our filter removes all contaminates authou it takes forever to evaporate 20 gallons it work quite well. I will check with local water supply for mineral analysis. Will a water softener remove the minerals that may be causing the problem ?

To lubricate feeders or not to lubricate feeders?

Electronics Forum | Mon Feb 06 09:24:15 EST 2006 | cyber_wolf

I take it you are talking about the older style IP feeders. If so, here is what you need to do..... Get yourself some mineral spirits,a tub you can submerse the parts in, and a couple nice paint brushes. 1.Dismantle the feeder and wash all of the

No-Clean Wave Flux - Water Wash

Electronics Forum | Mon Mar 29 11:49:44 EST 2004 | gregoryyork

White residue, probably nothing to do with the flux but was more than likely mineral salts from resist cure problem that are only soluble in Mineral Acids. No residue is the best IF resist is good, if resist issue's use low solids Rosin No Clean and

PCB washing

Electronics Forum | Thu May 24 22:56:42 EDT 2007 | davef

We'd guess that your white residue on the solder is from minerals in the supply water. We expect the levels of these minerals that you see: * Vary depending on the season. Check with your public water authority for anaylsis. [Recognize that this ma

Washing of Misprinted PCBs

Electronics Forum | Wed Aug 26 12:38:31 EDT 2009 | smtirl

Folks, discovered an issue this morning where solder joints on PCBs that came out of wash system have turned BLUE! Bare pads and test points also contaminated but not as obvious visually. Looks like it could be a chemical reaction between wash

Water Cleaning PCBs

Electronics Forum | Thu May 30 10:06:20 EDT 2013 | rgduval

In general, it would not be advisable. DI water is used for a couple of reasons. First, the missing ions aid in the cleaning process, as they seek to bond with the material on the board, allowing the water to act like a fairly aggressive solvent.

Incoming Water Quality

Electronics Forum | Mon Jun 11 22:06:00 EDT 2001 | davef

The issue is not the cleanliness of your in-bound water. The issue is the cleanliness of the board your customer receives. Look at J-STD-001C, Para 8, "Cleanliness Requirements". The end product cleanliness is the end result of your: * In-bound

Flux residue on connector pins

Electronics Forum | Sun Aug 29 19:17:34 EDT 2004 | aqueous

Chen, It is always best to place one�s effort on determining the cause and content of the residue rather than trying to work around it. The first thing you must determine is the nature of the residue. Is it flux? In many instances, the residue is

Hand Lotions

Electronics Forum | Mon Mar 04 17:55:35 EST 2002 | davef

Let me expand on Cal's comments. Recommended??? What people recommend depends on whom you ask and what is their motivation. Me??? There is no hand lotion recommended for use in electronics manufacture. Brian Ellis [a respected author on cleaning

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