Homebrew PCBs

> "Andrew" <andrewm1973@...> writes:
> > Some tracks (6-8 thou) almost got etched completly
> > away on one side of the panel before the other
> > side was clear of copper.

> DJ Delorie wrote:
> Have you tried the sponge-wipe method?  I've found I
> can manually control the etch progress that way, so
> it all comes out even.

I have not yet.  I am scared that the little ~6 thou
tracks will get scratched.

I will give it a go on a board with 10-12 thou tracks
to see how it goes though.