Homebrew PCBs

On Sat, 03 Feb 2007 17:46:48 +0100, William Nelson  
<wnnelson@...> wrote:

> I cured the board the same way you did by heating a aluminum block. I  
> tried the home oven but that
> took too much time but was very good for keeping a constant temp. I  
> cleaned the board only with a
> gray synthetic woven sanding pad and acetone. I made sure that I  
> scrubbed hard with the acetone to
> take off all black residue that shows up. From the pad or the copper I'm  
> not sure but I did get it
> clean. There are no wetting agents on the board. I first used the hot  
> air gun to make sure that
> all the acetone was evaporated and that lead to heating it up more for  
> the ink. This did make the
> most improvement for me.


Ok, thanks.
I will definitely try the preheating of the board, it sounds most  
promising.

ST