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

Amtech 4300 no-clean+washable flux

Electronics Forum | Sat Oct 29 20:29:30 EDT 2016 | adamjs

Posting here because all the threads asking for feedback on it are locked. We have been extremely happy with the 4300 tacky flux for BGA attachment. Not only is it both washable and no-clean (i.e. wash-optional), it was also the only tacky flux tha

Amtech 4300 no-clean+washable flux

Electronics Forum | Sun Dec 11 22:39:36 EST 2016 | ppcbs

We have been using the Amtech line for over 12 years now with all of our PCB and BGA Rework. The NWS-4400 is mildly active and will give better results with Lead Free Solder. Note that the LF-4300 is considered a No-Clean. However it will show lea

Reduce flux

Electronics Forum | Thu Jan 18 15:28:10 EST 2007 | CK the Flip

If you are, in fact, running a No-Clean solder paste: Different no-clean solder pastes will leave different types of (benign) residues. If your paste has been qualified from a Bellcore/SIR/Electromigration standpoint, any residues remaining will NO

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

flux residue problem

Electronics Forum | Sun Sep 27 23:10:19 EDT 2009 | hallwayit

Hi, Walter, Why don't you try no-clean flux? We ever met the same condition, later, we changed to no-clean flux solved the problem.

Re: flux compositions

Electronics Forum | Tue Aug 22 16:51:04 EDT 2000 | Dr. Ning-Cheng Lee

Yes, no-clean is more of a challenge, particularly for halide-free no-clean. Requirement on probe testability will make it more difficult.

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

Re: flux compositions

Electronics Forum | Tue Aug 22 16:43:57 EDT 2000 | David Snyder

Hello Dr. Lee, Will no-clean fluxes be more of a challenge to develop?

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