You might be interested in looking at http://rosettaproject.org/ http://rosettaproject.org/ or talking to some of the people who worked on that. I assume they d

You might be interested in looking at http://rosettaproject.org/ http://rosettaproject.org/ or talking to some of the people who worked on that. I assume they did a lot of research on materials and engraving processes (although they finished their prototypes a decade ago, so it might not be as state-of-the-art as it could be).