> Someone wrote:
>
> been doing it this way since the early
> 70s after endless experiments.
Thats nothing. I have been doing it that
way since 1736. Although it wasn't until
laser printers where either first made in
the mid 70s or possibly when the first
commercially viable printer came out in
1981 that the common people did it.
The big step was in the very late 80's
or early 90's when xerox released a paper
about their novel new idea for using
laser printer toner as an etchant mask
that the idea REALLY took off.