Security element and method for manufacturing the same

Details Security element and method for manufacturing the same Security element and method for manufacturing the same

B - Operations, Transporting

42

D

B42D 15/00 (2006.01) B32B 7/06 (2006.01) G06K 19/18 (2006.01)

Patent

CA 2575498

The invention relates to a security element (30) for securing valuables. Said element comprises at least one at least partial first layer (13) from a cholesteric liquid-crystalline material, an at least partial second layer (14) from a liquid-crystal material, and an at least partial additional layer (22) having a machine-readable feature that is at least partially covered by the first and second layer from the liquid-crystalline material.

L'invention concerne un élément de sécurité (30) servant à protéger des objets de valeur. Cet élément de sécurité (30) comprend une première couche (13) au moins partielle constituée d'une matière à cristaux liquides cholestériques, une deuxième couche (14) au moins partielle constituée d'une matière à cristaux liquides et une autre couche (22) au moins partielle présentant une caractéristique lisible par machine, cette autre couche (22) étant recouverte au moins partiellement par la première et la deuxième couche de matière à cristaux liquides.

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