Security element
AssigneeBayer Technology Services GmbH
InventorsMarkus Gerigk, Ludger Brüll, Andreas Bäcker, Thomas Birsztejn, Simon Vougioukas, Josef Kenfenheuer, Georgios Tziovaras, Dirk Pophusen, Mehmet Cengiz Yesildag, Heinz Pudleiner
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Abstract
The invention relates to optical security elements, their use for identifying and authenticating objects and processes and devices for identifying and authenticating objects using the optical security elements.
Claims17
A security element comprising
- at least one transparent layer in which wherein a large number of microreflectors are randomly distributed, characterized in that wherein at least some of the microreflectors have at least one reflective surface which is not arranged parallel to the surface of the transparent layer.
(canceled)
A method for using a security element having at least one transparent layer, wherein a large number of microreflectors are randomly distributed, and wherein at least some of the microreflectors have at least one reflective surface which is not arranged parallel to the surface of the transparent layer, for individualized authentication and/or identification of a personalized security or identification document.
Dependencies are inferred from the claim text.