Device and method for personal securing of a data storage medium, uses pattern formed from micro-lenses sprayed onto the surface of the storage medium, which can be read by optical reader

摘要

The storage medium has a personalization zone (2) on one surface. The zone is made up of an array of optical micro-lenses (1) made from a transparent material and positioned in the zone according to a personal pattern that can be read with an optical reader. The micro-lenses are made by spraying drops onto the surface of the card or compact disk.