| 发明名称 |
SECURITY DEVICE COMPRISING OPTICALLY VARIABLE DATA AND METHOD FOR MAKING THE SAME |
| 摘要 |
<p>A security-printing device comprising: (i) a substrate; (ii) a toner image adhered to said substrate; and, (iii) a layer of an optically variable material adhered solely to said toner image, whereby said optically variable material is selected to provide a distinct visual appearance and is not readily reproducible or readily available in the general market-place.</p> |
| 申请公布号 |
CA2050228(A1) |
申请公布日期 |
1993.03.01 |
| 申请号 |
CA19912050228 |
申请日期 |
1991.08.29 |
| 申请人 |
CANADIAN BANK NOTE COMPANY, LIMITED |
发明人 |
MERRY, TREVOR;BOATE, ALAN R. |
| 分类号 |
B42D15/00;B41M3/14;B42D25/30;G03G8/00;G03G21/04;(IPC1-7):B42D15/10;G03G15/20;G03G13/20 |
主分类号 |
B42D15/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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