Personal data and a facial image can be burned 3-dimensionally into a plastic ID card or passport data page using a laser beam. Printing inks are not used in this technology, so the finished document cannot be forged later on.
Engraving process done by laser, evaporating the paper rather than cutting it.
A user ID number and other personalisation data can be burned inside a plastic identity card or a passport's data page using a laser beam. Printing inks are not used in this technology, so it is practically impossible to forge the finished document.