| 摘要 |
A security element, such as a thread, strip and the like, for security documents in general, which comprises a flexible backing layer (1) that has, on at least one face, a layer (2) of metallic material provided with regions in which the thickness of the metal is less than 70 % and more than 25 % of the thickness of the layer of metallic material of the nearby portions, and further comprises a layer (3) of embossed holographic lacquer between the backing layer (1) and the layer (2) of metallic material. |
