Electronics Forum: test and point and flux (Page 1 of 9)

Wave flux and profiling

Electronics Forum | Wed Dec 20 04:43:36 EST 2006 | greg york

Any decent flux would volatise off with the heat of the wave unless absorbed into the solder mask. Test this by trying to clean in alcohol or common solvent aerosol, if it does not clean then it is probably Mineral Salts from solder mask fillers. Ano

SMT Solder paste and wave flux evaluation

Electronics Forum | Fri Jan 28 12:29:01 EST 2005 | Bob R.

We use the exact same method Chunks outlined for evaluating just about anything we're going to roll out worldwide, whether it's a material or a machine. List your factors (print speed, solder spread, etc), assign each a weight, evaluate each paste a

Manufacturing and test room cleanliness

Electronics Forum | Tue Jan 23 10:15:44 EST 2007 | slthomas

J-STD-001C just requires that the area not be so dirty as to contaminate your product, tools, workspace, etc. If you start counting particles, you're into cleanroom territory. Do a search on ISO 14644-1 for specifics. Actually Wikipedia does a ni

Re: Ionic testing and No-Clean flux

Electronics Forum | Mon Feb 07 11:05:50 EST 2000 | Graham Naisbitt

Dave You are so right about that point. I still use some cost models we ran up some 5 years ago. I took one to a customer and showed them that they could make $400K more PROFIT PER YEAR running OA v No-Clean. Their response? Well, we don't believe

conformal coatings and flux compatability

Electronics Forum | Tue May 23 12:18:25 EDT 2000 | mike weekes

Which companies would you consider for protective coatings, (conformal coating) and other levels of protection? I am taking a fresh look at alternatives. Know any good tests for testing compatability of coating with flux - aqueous or no clean? SMT

Ionic testing and No-Clean flux

Electronics Forum | Fri Feb 04 09:23:21 EST 2000 | Casimir Budzinski

If No-Clean flux does not need to be cleaned, then why do I get readings of up to 27(ug NaCl/sq in) on boards that are not washed, up to 23.4(ug NaCl/sq in) on boards washed with DI water only and from 1.2 to 10.1(ug NaCl/sq in) on boards washed with

Water wash flux and cleaning

Electronics Forum | Mon Jun 19 09:47:23 EDT 2017 | georgetruitt

You have a lot to think about! What does the flux manufacturer recommend as far as specifics like water temp or pressure? Do they recommend high temp di-water a detergent or saponifier? Do you currently have a cleaning machine, batch cleaner or inl

Re: Ionic testing and No-Clean flux

Electronics Forum | Fri Feb 04 13:07:46 EST 2000 | Graham Naisbitt

Casimir This is not an easy subject. How did you process the test pieces? Was the flux used correctly at the required and recommended level? Did it see the wave properly? I am not an advocate of no-clean but we do have customers who coat over no-cl

Re: Ionic testing and No-Clean flux

Electronics Forum | Mon Feb 07 13:22:23 EST 2000 | Dave F

Brian: SMTnet has a "Terms & Definitions" section in the "Library." OA Flux. Flux, Organic Acid. A water soluble flux. Good luck Dave F

No-Clean flux residue and RF application

Electronics Forum | Wed Aug 31 04:04:32 EDT 2005 | Slaine

im running some tests at the moment for hand soldering using a no residue water based flux from MBO, called WBF-01. leaves a good clean finish.

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