Security paper or board product and security package

Details Security paper or board product and security package Security paper or board product and security package

D - Textiles, Paper

21

H

D21H 21/48 (2006.01) B41M 3/14 (2006.01) B42D 15/00 (2006.01) D21H 21/40 (2006.01) D21H 21/42 (2006.01) D21H 21/44 (2006.01) G06K 19/14 (2006.01) D21H 27/10 (2006.01)

Patent

CA 2411738

The invention relates to a method for producing a security paper or board product carrying micro or nano structures such as diffractive optical elements in which method the diffractive structures are integrated into the security paper or board product at the manufacturing process of said product. The invention also relates to a method for producing a security package carrying diffractive structures in which method the diffractive structures are integrated into the security package at a manufacturing stage of the security package material. The invention further relates to a security package containing authentication information in a form of diffractive structures in which package the diffractive structures are included in the security package at least in one of the following forms: as embossed in the package material, as part of the size or paste or resin used in the manufacturing process of the security package, or as part of the ink used in printing the security package or the security package material.

L'invention concerne un procédé de production de produit papier ou carton de sécurité comportant des micro- ou nanostructures, par exemple des éléments optiques à diffraction. Dans ce procédé, les structures à diffraction sont intégrées dans le produit papier ou carton de sécurité lors de son processus de fabrication. L'invention concerne également un procédé de production d'emballage de sécurité comportant des structures à diffraction, lesquelles sont intégrées dans l'emballage de sécurité au stade de fabrication du matériau d'emballage de sécurité. Elle concerne en outre un emballage de sécurité contenant une information d'authentification sous une forme de structures à diffraction, l'emballage de sécurité renfermant les structures à diffraction sous au moins l'une des formes suivantes: forme gaufrée dans le matériau d'emballage, sous la forme de colle, pâte ou résine utilisée dans le processus de fabrication de l'emballage de sécurité, ou sous une forme faisant partie de l'encre utilisée lors de l'impression de l'emballage ou du matériau d'emballage de sécurité.

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