From: William Marsh (firstname.lastname@example.org)
Date: 08/28/02-02:36:44 PM Z
This may be completely off the wall, but you might want to look into how
monument makers etch photo-realistic portraits onto tombstones and the
like. The Korean War memorial in DC was treated this way.
In order to etch gold, I think you are going to have to use some rather
fierce chemicals (remember the discussion here about making one's own
gold chloride from metallic gold?). If you want to do it on copper, it
is like falling off a log, by comparison.
Kees Brandenburg wrote:
> I am searching for methods to get a photographic image on metal
> (preferably thin gold foil). Using liquid emulsions is one option.
> Laser engraving is a second. Anybody tried that or saw good examples?
> Laser engraving machines can engrave up to 45x60 cm surfaces at 1000
> dpi resolution.
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