But if you are using photo process, it's so much easier to just print
onto transparency or vellum, compared to modifying a printer to accept
a PCB.
Steve Greenfield
--- In
Homebrew_PCBs@yahoogroups.com, "Leon Heller" <leon.heller@...>
wrote:
>
> I just thought of an different way to make PCBs with an inkjet
printer that
> might be worth trying. Instead of using special ink printed onto the
copper,
> which is then cured, how about coating a standard resist-coated
board with
> gelatine, as is done with with inkjet transparency material? This
will then
> accept a standard ink, and the artwork can be printed directly onto the
> gelatine surface. The board is then exposed to UV light in the usual
way,
> and the gelatine and ink washed off in hot water. The board is then
etched
> in the usual way. Very fine line widths and good definition should be
> obtainable, because the artwork is only separated from the resist by
the
> gelatine.
>
> I feel that the technique could work, and could give very good results.