Okay, that's a new one for me... Colophony Resin?
What is that stuff and where can you get it? I am willing to give
just about anything a try - this if fun....
Till, see my newest post about fixing traces :-(
Chris
--- In
Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@g...> wrote:
>
> On Tue, 25 Oct 2005 20:52:49 +0200, lcdpublishing
> <lcdpublishing@y...> wrote:
>
> > Sitting here looking at my etched boards with the toner still on
them,
> > I got to thinking that I could leave it there. Use a Q-tip to
remove
> > the toner from the solder pads and leave the rest there. This
might
> > help to reduce oxidization of the copper?
> > I suppose there could be a problem with the toner melting and
flowing
> > back into solder joints as you add components though.
> > Just an idea, curious if anyone has tried this and if they had
any
> > success.
> > Chris
>
>
> I would be afraid of acid residue trapped/caught by the toner.
> After etching and rinsing i scrape the toner off with a steel
scraper,
> much less messy than acetone. I wipe off the last remains with
that, if
> there are any.
>
> Then i coat it with a mixture of colophony resin and alcohol,
which
> prevents oxidation and acts as a flux.
>
> ST
>