Homebrew PCBs

On Mon, 27 Nov 2006 12:16:13 +0100, Lez <lez.briddon@...> wrote:

> Having problem with sharpie pens, the ink is lifting off in places,
> and sometimes even flotas away in the shape it was!
> Its odd looking at a hols and a short trace washing round in your
> etchant, like a tadpole........
> Do some colors really work better than others, I can only get blue at
> the moment.
> Do some other pens work better?


I don't have sharpies here, but staedtler red permanent OHP pens are  
fairly good. Not perfect though, they'll still etch through sometimes.

Maybe they'll get more resistant if you cure them with heat, like inkjet  
ink?

ST

Oh yea, "i told you so". ;-)