| 发明名称 |
Thin film structure having magnetic and colour shifting properties |
| 摘要 |
<p>The disclosure relates to a thin film structure having magnetic and optical variable properties comprising a substrate (12) and a multilayer interference coating (16) carried by the substrate producing an inherent colour shift with angle. The interference coating has a metal-dielectric design which includes a metal (17) which has reflective as well as magnetic properties.</p> |
| 申请公布号 |
EP0341002(B2) |
申请公布日期 |
1999.02.24 |
| 申请号 |
EP19890304351 |
申请日期 |
1989.04.28 |
| 申请人 |
FLEX PRODUCTS, INC. |
发明人 |
PHILLIPS, ROGER, W.;COOMBS, PAUL G. |
| 分类号 |
G09F19/12;B32B7/02;B32B15/04;C09C1/00;G02B5/28;G06K19/10;G11B5/62;G11B7/24;(IPC1-7):G06K19/08;B42D15/00 |
主分类号 |
G09F19/12 |
| 代理机构 |
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代理人 |
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| 主权项 |
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