SICHERHEITSDOKUMENTE MIT BESCHICHTUNGEN UND VERFAHREN ZU DEREN HERSTELLUNG
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
DE69215846(T2)
申请公布日期
1997.07.10
申请号
DE1992615846T
申请日期
1992.08.28
申请人
CANADIAN BANK NOTE CO. LTD., OTTAWA, ONTARIO, CA
发明人
MERRY, TREVOR, NEPEAN, ONTARIO K2E 6P2, CA;BOATE, ALAN, R., GLOUCESTER, ONTARIO K1J 7E8, CA