Electronics Forum: tacky no-clean flux (Page 1 of 88)

no-clean flux removal

Electronics Forum | Thu Jan 20 08:19:47 EST 2005 | davef

esoderberg: So, why do you want to clean your no-clean flux residues?

no-clean flux vs. impedance

Electronics Forum | Mon Feb 18 15:20:43 EST 2008 | kennyg

A PCBA contains a couple of parts that are not sealed and can't be water washed. We hand solder these with no-clean after everything else is water washed. The designer says the no-clean residue must be completely removed so that it will not affect

no-clean flux vs. impedance

Electronics Forum | Wed Feb 20 12:22:39 EST 2008 | shrek

KRIKIES, a designer insisting on cleaning no-clean residues! the BLAME-THE-PROCESS bandwagon travels everywhere, me lad!

no-clean flux vs. impedance

Electronics Forum | Tue Feb 19 08:49:34 EST 2008 | rgduval

Get the ionic specs from your flux manufacturer, and show it to the designer. No-clean flux/solder is supposed to be low to minimal in ionic contamination, which allow the whole no-clean thing. If he needs further proof, you can have the board io

no-clean flux vs. impedance

Electronics Forum | Mon Feb 18 17:36:32 EST 2008 | kennyg

I should have mentioned... the only flux we use for the hand soldering is wire-core, no bottle flux. I think it should be a non-issue to leave the activated wire core flux residue. I'm just looking for some way to prove it to the designer.

no-clean flux vs. impedance

Electronics Forum | Tue Feb 19 09:26:54 EST 2008 | jdengler

The low solids flux that is commonly called no-clean can affect some circuits. We are building a PCB that measures pico amps. The customer required that it be cleaned. We would rather used the low solids and eliminate a step. The customer had

no-clean flux vs. impedance

Electronics Forum | Mon Feb 18 17:27:13 EST 2008 | jdumont

If the hand soldering is done right and you use little to no extra flux (other than whats in the solder wire) you should be ok. You should still verify with some testing however... You need to make sure any flux used is activated, thus rendered benig

no-clean flux removal

Electronics Forum | Wed Jan 19 14:32:37 EST 2005 | esoderberg

Short of buying a closed look wash system, what other machines/processes are available for localized removal of flux that is not operator intensive. already familiar with Branson ultrasonics and just washing in alcohol but what else is out there?

no-clean flux removal

Electronics Forum | Thu Jan 20 07:40:34 EST 2005 | esoderberg

Because our boards are heavily heatsinked with dow 340 which never hardens and I am afraid I will not only wash off the flux but the heatsink compound as well.

no-clean flux removal

Electronics Forum | Wed Jan 19 16:52:11 EST 2005 | Mike Konrad

Just curious� Why only localized cleaning? Why not clean the entire board? Localized cleaning by nature is labor intensive. Mike Konrad Aqueous Technologies (909) 944-7771 ext 29 www.aqueoustech.com konrad@aqueoustech.com

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