Homebrew PCBs

No, its no sandblasting or similiar abrasive process. The microscope I used is a quite cheap one, I guess the "look" of the copper is mosty because of that.

If you look in the older posts, you will find how the stripping is done.

Ingo


--- In Homebrew_PCBs@yahoogroups.com, Piers Goodhew <piers@...> wrote:
>
> That sure is amazing - from the microscope photos are you sandblasting the copper or something?
> 
> PG
> 
> On 15/05/2011, at 2:55 AM, Ingo wrote:
> 
> > I guess that you have hit the point exactly. Inkjet can give very good results, but its not easy at all.
> > One simply cannot expect that high accuracy without doing almost everything right.
> > Its much much more demanding than just printing perfect photos.
> > 
> > Ingo
> >
>