Electronics Forum | Fri Nov 03 09:41:17 EDT 2017 | davef
On your question about reliability ... " Is there testing we can do (environmental stress chambers) with which we can see the long-term effects of flux residue on solder joints?" Sure, incompletely activated low residue flux residues are potentially
Electronics Forum | Mon Mar 20 16:47:13 EDT 2017 | u4bga
We're currently using no-clean flux (SR-12) in a no-clean manual soldering process. The brownish flux residue impedes direct visual inspection of the solder joints. Therefore, we're forced to clean the residue off. (1) Is there testing we can do
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
Electronics Forum | Tue Mar 21 12:52:56 EDT 2017 | emeto
No clean is giving us problem in ICT. Other than that, a coating of flux should remain there to pretect the solder joint from the environment. In general you should not clean NO clean - it is supposed to be there.
Electronics Forum | Thu Nov 02 13:17:06 EDT 2017 | jardcrocker
Hi...i have a question. After you solder a circuit board, what do you wash the flux residue off with? I am hesitant to use water for fear of subsequent corrosion, and have no clue as to what kind of flux is in my solder wire. automated pcb assembly
Electronics Forum | Tue Mar 05 03:58:10 EST 2019 | pcformax
Hello guys, In our company we use CS-FLUX for reballing purposes in the last two years and we have no complain about the product.if you want to see details about the product there is a very helpful tutorial in youtube named 'ATI GPU removal with the
Electronics Forum | Thu Nov 02 15:45:04 EDT 2017 | dleeper
For low volume hand assembly, deionized water or IPA should work fine.
Electronics Forum | Fri Nov 03 15:43:20 EDT 2017 | dleeper
IPA and DI water are both very common and effective methods of cleaning PCBAs. http://www.zestron.com/sa/cleaning-applications/smt-electronic-cleaning/pcba-cleaning/aqueous-cleaning.html http://blog.gotopac.com/2010/11/18/ipa-as-a-universal-cleaner
Electronics Forum | Fri Nov 03 11:30:29 EDT 2017 | davef
regarding dwl comment, "For low volume hand assembly, deionized water or IPA should work fine." Deionized water: Deionized water is corrosive. It needs to be removed. Proof? Drop a copper coin into a covered jar of DI water and watch what happens ov
Electronics Forum | Thu Jan 06 23:07:48 EST 2011 | essohn
Hello~ I need your expoertised experience. Do you have any experience of Saponifier influence on Al pad for wire bonding. We have a porblem of no wire bonding in use of saponifier in order to remove clean type flux. thanks in advance
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