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Use of raman markers for authenticating security documents

Other TitlesUso de marcadores Raman para autentificación de documentos de seguridad
AuthorsRomero Fanego, Juan José ; García Juez, Vicente; Fernández Lozano, José Francisco ; Gamo Aranda, Javier; Rodríguez, Miguel A. ; Ruiz Quevedo, Andrés; Lorite, Israel
Issue Date6-Dec-2012
CitationWO2012164054 A1
AbstractThe 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.
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