No worries
I haven't found anything else so far, but I've come to realise that there are many good things on the internet that aren't easy to find as they're not in English :(
--- In Homebrew_PCBs@yahoogroups.com, "wayne.causey" <wayne.causey@...> wrote:
>
> tda7000,
>
> Thanks for all three links concerning Laser Direct Imaging for PCBs. Any further links/sources for info on this topic will also be appreciated.
>
> Thanks.
>
> Wayne
>
> --- In Homebrew_PCBs@yahoogroups.com, "tda7000" <Tda7000@> wrote:
> >
> > I believe I posted the links about the German project? ...Anyway...
> >
> > Another idea was here: http://4hv.org/e107_plugins/forum/forum_viewtopic.php?66471
> >
> > The first guy seems to have had an idea of using a grid of LEDs, but I don't think you can get them small enough.
> >
> > However, in the 2nd half of that thread, there was another guy with a UV laser diode on a plotter table, the photos show that it looks like the board came out pretty well.
> >
> > This is something I thought of trying out, but it looks expensive. Also double-sided would be a pain.
> >
> > Laser-printed transparencies and toner-transfer still works well for me so far...
> >
> >
> > --- In Homebrew_PCBs@yahoogroups.com, "wayne.causey" <wayne.causey@> wrote:
> > >
> > > Robin, thanks for providing the links for an outstanding Laser Direct Imaging project. Does anyone know of any similar projects?
> > >
> > > Wayne
> > >
> > > --- In Homebrew_PCBs@yahoogroups.com, Robin Whittle <rw@> wrote:
> > > >
> > > > In "Re: pcb-specific laminator/exposure/etc printer...", on 2012-07-01,
> > > > tda7000 wrote:
> > > >
> > > > > Much easier to do this, I would think:
> > > > >
> > > > > http://www.youtube.com/watch?v=fi4P-Bwc6g8
> > > > >
> > > > > http://www.das-labor.org/wiki/LaserExposer
> > > >
> > > > This looks difficult to do, by most standards, since there is customised
> > > > hardware and two microcontrollers. There would be significant problems
> > > > calibrating it, correcting for the out-of-focus laser beam and the
> > > > non-linear sweep across the board.
> > > >
> > > > Also, I think it would be difficult to align exposures for double-sided
> > > > compared to the alternative of aligning two phototools (or perhaps
> > > > transfer paper with toner) facing each other, and then slipping the PCB
> > > > material in between them.
> > > >
> > > > I think it is a really great project, but I don't feel inclined to do
> > > > all this work myself.
> > > >
> > > > - Robin
> > > >
> > >
> >
>