Homebrew PCBs

Great answers, thanks Stefan and Dave... So T-tech is great for... 
drilling, if one can print it, one can etch it. But what about 
the 'blackness'? How light-tight is hte ink? I don't think that idea 
of printing twice on hte same sheet is good.

Mike



--- In Homebrew_PCBs@yahoogroups.com, Stefan Trethan 
<stefan_trethan@g...> wrote:
> 
> > A cheap old epson stylus 400 colour will do 8mil tracks/spacing 
smoothly 
> > in
> > 600x720dpi mode. It's the printer technology and ink/transparency 
> > combination
> > that makes the most difference.
> >
> >
> 
> You don't understand the problem.
> Even a 300dpi unit can do traces of 7 mil but _not_ metric spaced 
smd 
> parts.
> the printer works in inches and if you print metric spacing you get 
a 
> variations in
> line width and space.
> 
> ST