| 摘要 |
To improve security articles and papers such as bank notes, cheques, personal identification documents, etc, security element 1 is partially embedded into a security substrate. A matt non-reflective coating 2 is applied to at least a part of the security element along at least one edge region 6 of the element, leaving an uncoated area along a centre region 5 of the element. The element may be a ribbon of varying width. The ribbon may also include demetallised regions 7. The element may be a thread or planchette. The substrate may be windowed. |
