Archival storage

[Fred Cisin]

> Back when small printers were hard to come by, there was at
> least one technology that used a "paper' made of a black
> layer on a paper substrate covered by a very thin layer of
> aluminum.  The printer burned through the aluminum, leaving
> the black spots exposed.  Oddly enough, this sounds like a
> fiarly permanent process.  Was the stuff called
> "electrographic" paper?

One of the first "cheap" printers from Radio Shack was "Electrostatic".
The black showing through the metallic was high contrast, and not as heat
sensitive as thermal.
BUT,...
crumple the paper and then re-flatten it.  Might as well use an
Etch-a-sketch.