Electronics Forum: flus and cleaning (Page 1 of 32)

Water cleaning and Moisture Entrapment

Electronics Forum | Fri Jan 02 08:10:18 EST 2009 | childs

Thanks for the reply Stephen. The time factor sounds logical for moisture invasion during cleaning, probably why there's no articles showing concern about the process. I did try experimenting with some samples and believe it or not could not dupli

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

Water cleaning and Moisture Entrapment

Electronics Forum | Wed Dec 24 11:23:22 EST 2008 | childs

I can't seem to locate any information/concerns about moisture entrapment in IC packages on the promary side in a double sided SMT assembly using water soluable solder paste when soldering the second side. A typical process would assemble/reflow/cle

Water wash flux and cleaning

Electronics Forum | Tue Jun 20 07:26:45 EDT 2017 | emeto

Thank you for the detailed input. That gave me material to think on.

Water wash flux and cleaning

Electronics Forum | Mon Jun 19 07:59:01 EDT 2017 | emeto

Hello, I am planning to use a water wash flux. As this is new to me, would you guys share what should I be aware of? I know cleaning PCBs itself presents issues. If you can share your experience so I can prepare better, it would be great.

Water cleaning and Moisture Entrapment

Electronics Forum | Tue Jan 06 14:37:27 EST 2009 | stevek

The easiest way to prove out the absorbtion theory is to weigh the parts before wash, after wash, and after baking. You probably want to do this with the bare parts in isolation as the fab will pick up considerable moisture. Differences in weight s

Water cleaning and Moisture Entrapment

Electronics Forum | Mon Jan 12 02:56:42 EST 2009 | sachu_70

Hi Bill, You should try pre-baking any such old devices prior to using on SMT Reflow. Refering to MSL-type3 guidelines could help in your case.

Water cleaning and Moisture Entrapment

Electronics Forum | Mon Dec 29 09:10:22 EST 2008 | stepheniii

It takes time for the moisture to penetrate into the body. I think the 5 years of ambient would be more the culprit than washing the boards. Especially since you are baking them after wash. Get a few of the ICs and put them loose on a board and put

Gold cleaning and repairing,and flux paste source

Electronics Forum | Sat Sep 16 03:09:35 EDT 2000 | Sartor

I am in trouble with gold finger cleaning and repairing.Can anyone recommend good solutions?Also,can anyone recommend a good flux paste source(s)?Thanks.

Foam fluxer maintenance, storage and cleaning

Electronics Forum | Thu Dec 03 14:37:53 EST 2015 | proceng1

Are you running a water or alcohol based flux? We run a water based product and it stays in the tank with the stone all week and is emptied and cleaned at the end of the production week. Never once have I stored the stone in thinner and I've never

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