Professional plumbers use just a wet rag to wipe flux
off of freshly soldered piping, and ultrasound is
actually quite powerful. There is a push in europe
right now to clean all wafers with just steam. You
might try buying one of those 20 dollar harborfreight
ultrasonic cleaners, use water as your fluid, and let
them sit in the ultrasound for a half hour or so, if
you can stand sitting next to that annoying buzzing
for that long at your workbench. You might stick all
your boards in once for a half hour, then drain the
water out and do it one more time with fresh water,
but that is a lot less labor than any manual cleaning
would be.
--- Leon Heller <
leon.heller@...> wrote:
> ----- Original Message -----
> From: "dl5012" <dl5012@...>
> To: <Homebrew_PCBs@yahoogroups.com>
> Sent: Friday, February 10, 2006 5:11 PM
> Subject: [Homebrew_PCBs] Re: Hello Sir Dennis...
>
>
> > Hi,
> >
> > Thanks for all that info. Apparently the 98% IPA
> is just moving the
> > flux around, but the board appeared significantly
> cleaner than when I
> > used rubbing alcohol.
> >
> > Do you know of any less labor intensive cleaning?
> I'd like to be able
> > to clean the boards at my workbench and not have
> multiple cleaning
> > steps. Though I will try washing a board with
> detergent after
> > cleaning with anhydrous IPA.
> >
> > I'm trying to use the least dangerous chemicals as
> possible. I use
> > acetone, but sparingly.
>
> Use no-clean flux solder. The only problem with it
> is that the flux is less
> active than rosin flux making it difficult to get a
> decent joint on
> home-made PCBs. It works fine with tinned boards. It
> does leave a slight
> residue but that is much easier to remove than rosin
> flux, if you want
> completely clean boards.
>
> Leon
>
>
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