发明名称 |
USE OF RAMAN MARKERS FOR AUTHENTICATING SECURITY DOCUMENTS |
摘要 |
The present invention relates to the use of non deactivable security markers comprising the combination of at least two types of nanoparticles of materials presenting Raman effect, wherein said nanoparticles are in a dispersed state or is forming ag glomerates of between 2 and 500 nanoparticles. The invention also relates to security documents, articles or elements incorporating these markers, as well as to a method and system for the detection thereof. |
申请公布号 |
US2014176941(A1) |
申请公布日期 |
2014.06.26 |
申请号 |
US201214123362 |
申请日期 |
2012.06.01 |
申请人 |
Romero Fanego Juan José;García Juez Vicente;Fernández Lozano José Francisco;Gamo Aranda Javier;Rodríguez Barbero Miguel Ángel;Ruiz Quevedo Andrés;Lorite Villalba Israel |
发明人 |
Romero Fanego Juan José;García Juez Vicente;Fernández Lozano José Francisco;Gamo Aranda Javier;Rodríguez Barbero Miguel Ángel;Ruiz Quevedo Andrés;Lorite Villalba Israel |
分类号 |
G07D7/12;G01N21/65 |
主分类号 |
G07D7/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
Madrid ES |