发明名称 |
Substrate for security document |
摘要 |
A polymer substrate (1 ) for a security document, the substrate having at least one elongate transparent region (3) extending through a more opaque area of the substrate and completely or almost completely between spaced locations on the boundary of the substrate. The width of the transparent region (3) is at least 2mm and the transparent region has an optical density not exceeding 0.3. |
申请公布号 |
AU2009211238(A1) |
申请公布日期 |
2009.08.13 |
申请号 |
AU20090211238 |
申请日期 |
2009.01.29 |
申请人 |
DE LA RUE INTERNATIONAL LIMITED |
发明人 |
JOHN PHILIP WINCHCOMBE;STUART WILLIAM ROST;CHRISTOPHER JOHN EASTELL |
分类号 |
B41M3/14;B42D15/00;B42D15/10 |
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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