| 发明名称 |
LASER IMAGING AND ITS USE IN SECURITY APPLICATIONS |
| 摘要 |
<p>A method of forming an invisible indicium on an article that comprises an outer opaque layer and an inner, laser - imageable layer, which comprises (5) irradiating the article with a laser, whereby the laser radiation passes through the opaque layer, and causes the laser - imageable layer to change colour. The article can be scanned, as a security check.</p> |
| 申请公布号 |
WO2010029276(A1) |
申请公布日期 |
2010.03.18 |
| 申请号 |
WO2008GB50811 |
申请日期 |
2008.09.10 |
| 申请人 |
DATALASE LTD.;JARVIS, ANTHONY N.;WYRES, CHRISTOPHER ANTHONY |
发明人 |
JARVIS, ANTHONY N.;WYRES, CHRISTOPHER ANTHONY |
| 分类号 |
B41M3/14;B41M5/26;B41M5/28;B41M5/30;B41M5/42 |
主分类号 |
B41M3/14 |
| 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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