Authentication of items using transient optical state change...

Details Authentication of items using transient optical state change... Authentication of items using transient optical state change...

G - Physics

09

C

G09C 3/00 (2006.01)

Patent

CA 2497645

The use of transient optical state change security materials to authenticate items.

L'invention porte sur l'utilisation de matériaux de sécurité transitoires modifiant l'état optique qui permet d'authentifier des articles.

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