Methods for identification and verification

G - Physics – 01 – N

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G01N 23/00 (2006.01) A47G 27/02 (2006.01) D06H 3/10 (2006.01) G01N 23/22 (2006.01) G01N 23/223 (2006.01) G01N 33/36 (2006.01)

Patent

CA 2386400

An apparatus and method in which one or more taggants are detected by X-ray fluorescence analysis to identify or verify the article or its point of manufacture. The taggants are manufactured as part of the article or is placed into a coating, label, or otherwise embedded within the article for later verification of the presence or absence of the taggant. The detection apparatus (25) has an instrument housing (15) which contains various components. Gamma rays or X-rays (30) from a source (20) are optionally focused by aperture (10) to impinge on a sample (11), which contains at least one taggant.

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, tel qu'une moquette. Ces marqueurs sont détectés lors d'une analyse 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 de la présence ou de l'absence de ces éléments par fluorescence X, permettant de déterminer la composition élémentaire unique du marqueur au sein de l'article.

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