Use of Raman markers for authenticating security documents

Authors: Romero Fanego, Juan José; García Juez, Vicente; Fernández Lozano, José Francisco; Gamo Aranda, Javier; Rodríguez Barbero, Miguel Ángel; Ruiz Quevedo, Andrés; Lorite, Israel;

handle: 10261/135075 , 10261/76167

Use of Raman markers for authenticating security documents

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Abstract

The present invention relates to the use of non deactivable security markers comprising the combination of at least two types of nanopartieles of materials presenting Raman effect, wherein said nanopartieles are in a dispersed state or is fonning ag - glomerates ofbetween 2 and 500 nanopartieles. The invention also relates to security documents, artieles or elements incorporating these markers, as well as to a method and system for the detection thereof.

Fábrica Nacional de Moneda y Timbre - Real Casa de la Moneda, Consejo Superior de Investigaciones Científicas (España)

B1 Patente sin examen previo

Peer reviewed

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