Methods for identification and verification

G - Physics – 01 – N

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G01N 23/223 (2006.01) B65C 9/46 (2006.01) B65D 65/42 (2006.01)

Patent

CA 2386454

An apparatus and method in which one or more taggants that are intrinsically located or extrinsically placed in an article or product (11). The taggants are detected by X-ray fluorescence analysis (20, 21) to identify or verify the article or its point of manufacture. The taggants are manufactured as part of the article or the taggant is placed into a coating, label, or otherwise embedded within the article for the purpose of later verifying the presence or absence of these elements by X-ray fluorescence, thus determining the unique elemental composition of the taggant within the article.

L'invention concerne un appareil et un procédé dans lesquels un ou plusieurs marqueurs sont situés à l'intérieur, ou placés à l'extérieur d'un article ou d'un produit (11). Ces marqueurs sont détectés lors d'une analyse (20, 21) par fluorescence X afin d'identifier ou de vérifier l'article ou son lieu de fabrication. Les marqueurs sont fabriqués en tant que partie de l'article ou placés dans un revêtement, une étiquette ou intégrés à l'article d'une autre manière, en vue d'une vérification ultérieure par fluorescence X de la présence ou de l'absence de ces éléments, permettant de déterminer la composition élémentaire unique du marqueur au sein de l'article.

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