发明名称 |
Security elements and method for their manufacture |
摘要 |
The present invention relates to complex security elements based on recording materials for optical elements with refractive index modulation, in particular, holograms, which are subsequently coated with specific metallic nano-shaped metal particles, a method for their manufacture, in particular on a paper or on a plastic substrate and a security product obtainable using the security element. A further aspect of the invention is the use of such a security element for the prevention of counterfeit or reproduction of a document of value. |
申请公布号 |
AU2013314269(A1) |
申请公布日期 |
2015.04.02 |
申请号 |
AU20130314269 |
申请日期 |
2013.09.13 |
申请人 |
BASF SE |
发明人 |
RICHERT, MICHELLE;FLEURY, ROLAND;GRIGORENKO, NIKOLAY A.;KNOCKE, FRANK |
分类号 |
G03H1/28;C09D5/29;C09D7/12;G03H1/02;G03H1/26 |
主分类号 |
G03H1/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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