| 发明名称 |
Optical security component, production of such a component and secure product provided with such a component |
| 摘要 |
One aspect of the invention relates to an optical security component (10) comprising at least one diffractive element (7) formed by at least one annular diffractive grating (111, 113, 115, 117, 131, 133, 135) characterized by a minimum radius (R |
| 申请公布号 |
AU2012299698(A1) |
申请公布日期 |
2014.04.10 |
| 申请号 |
AU20120299698 |
申请日期 |
2012.08.14 |
| 申请人 |
HOLOGRAM.INDUSTRIES |
发明人 |
DE BOUGRENET, JEAN-LOUIS;BIALIC, EMILIE;PETITON, VALERY;NOIZET, ALEXANDRE |
| 分类号 |
G02B5/00;G02B5/18;G02B27/44;G06K19/06;G06K19/16 |
主分类号 |
G02B5/00 |
| 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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