Electronics Forum: wash and no and clean and flux (Page 2 of 4)

Batch cleaner not getting PCBs clean and dry

Electronics Forum | Thu Dec 08 12:39:39 EST 2016 | deanm

We have a name brand aqueous batch cleaner that uses a chemical and DI water to clean ROL0 flux from our PCBs. It does ok most of the time for SMT boards and we want to include through hole assemblies as well which should be a better cleaning process

Flux Designations and Composition

Electronics Forum | Mon Jul 12 11:35:27 EDT 2004 | Pierre RICHARD

Here are some answers to my questions after a good research. I also added more definitions that could help understand this esoteric language used in assembly, specially surrounding fluxes and their use. In blue italics are comments and extracts from

Thanks chartrain and Doug

Electronics Forum | Thu Nov 04 19:51:28 EST 1999 | John

Thanks folks. The current vendor is doing an alcohol wash, top and bottom, then performing an ionic test on 100 boards. I'm not to confident in the testing because the readings for a "clean" board are 25 ugm/sq in and a "dirty" board are 40 ugm/sq in

LGA and Solderballs

Electronics Forum | Tue Nov 28 21:16:17 EST 2006 | davef

J Rose at EMPF says: The introduction of no-clean solder fluxes in electronics manufacturing has given rise to greater levels of solder balling simply because the opportunity to remove them in the wash process does not exist. They are typically cause

Coils and Water Soluble Fluxes

Electronics Forum | Wed Oct 10 13:51:08 EDT 2007 | petep

Coilcraft has posted the following and I am wondering how you folks are handling the use of coils in a Water Soluble world. PCB Washing and Coilcraft Parts Coilcraft tests for resistance to solvents per the following specification: Resistance to s

Cracking Capacitors and Solder Balls

Electronics Forum | Mon Jun 08 14:19:30 EDT 1998 | Gary Simbulan

Earl, et al, Boy things get old and cold around here fast. I promised more detail on my capactior problem and I thought I could drop something completely different in the same message and tell a tale of solder balls. First the caps. We still have

Lead/Lead Free In-Line Wash and UT cleaners

Electronics Forum | Mon Oct 03 12:32:06 EDT 2005 | russ

Flux is not classified as lead or lead free. You are cleaning flux not removing solder.

Mixing No-clean and water soluble processes

Electronics Forum | Tue Feb 23 13:49:20 EST 2010 | davef

There should be no problem. Recognize that the residue of some low residue fluxes turn a milky-white color when you wash them. This could freak your quality people.

Cleaning prototype PCB assemblies and waste water

Electronics Forum | Tue Jun 19 12:26:38 EDT 2007 | billr73

We will be hand soldering a small number of PCBs per week (both through hole and SMT) using a water soluble flux. We will be using both standard leaded and lead free solder. The completed assemblies be hand washed in a sink using hot water. Do we

Re: Cracking Capacitors and Solder Balls

Electronics Forum | Tue Jun 16 15:01:58 EDT 1998 | Gary Simbulan

There are some common reason for capacitor cracking on my web page if you want to have a look. The document can be downloaded for your reference. | Earl, et al, | Boy things get old and cold around here fast. I promised more detail on my capactior


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