Electronics Forum: cleaning probes (Page 1 of 8)

Foam fluxer maintenance, storage and cleaning

Electronics Forum | Mon Nov 09 09:44:22 EST 2015 | davef

Purpose. This describes setting-up a wave soldering system set-up for a new assembly design or checking a wave solder machine operation with a test board. Applicability. To be used for new design printed circuit assembles and during machine accept

Cleaning of ICT Probes

Electronics Forum | Tue Sep 08 06:31:16 EDT 2009 | bandjwet

Does anyone have any experience with cleaning debris, removing oxidation from ICT (or for that matter flying probe)probes: Regards BWET

osp finish

Electronics Forum | Wed Jan 21 09:36:52 EST 2004 | davef

As with noclean flux, OSP will fill your probes with crunchy [maybe gummy] stuff. Consider: * Increasing frequency of probe maintenance * Talking to your probe supplier about alternate probes that self-clean better

No Clean OSP process cause ICT testing issue due to Flux building in testvia hole

Electronics Forum | Thu Apr 04 09:45:58 EDT 2019 | davef

That's what I guessed. Some ideas to consider are: Reduce usage of flux to the bare minimum. Choose a low solids flux Flux residues can be categorized as soft, brittle, sticky but this depends mostly on the formulation of the flux and the resins

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.

Flux residue cause high false reject at ICT

Electronics Forum | Wed Nov 29 11:56:10 EST 2006 | CK the Flip

For the better part of my career, I've battled with ICT guys on so-called "flux residues" on their test probes, and this was when using NO-CLEAN, 2% to 5% solids tops, flux. People don't understand that ICT probe maintenance is an inherent part of

Cleaning of ICT Probes

Electronics Forum | Tue Sep 08 06:46:14 EDT 2009 | davef

Bill: While you're waiting for others to reply, search the fine SMTnet Archives, for instance: * http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=4647 * http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=55963


Electronics Forum | Thu Mar 15 17:19:12 EST 2001 | mparker

Are the tin/lead ratios compatible betweem HASL and wave solder? Probably are, just a remote possibility. Flux application is? bubbler, sprayer? Either way, are you getting good misting, coverage on those teeny 0.5mm test points? If not, then no

Re: residues

Electronics Forum | Tue Aug 22 10:58:20 EDT 2000 | Dr. Ning-Cheng Lee

I do not expect that we will see increased residue volumes, but they may be a bit more difficult to remove (in a cleaning process). A related issue is probe-testability. We can expect, at least initially, that there will be higher defect rates asso

Testing effect of non-clean flux residue on solder joints

Electronics Forum | Fri Nov 03 09:31:35 EDT 2017 | davef

On the flux reside issue that is gumming up your test probe pogos ... Short term, clean what's in process with a aerosol flux cleaner solvent. Ask your flux supplier for recommendations. Longer term, recognizing that there is no fix, your improveme

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