| 摘要 |
A security element (1) for bank notes, security papers and documents in general, comprising at least two adjacent regions (10, 11) without metallic materials, one (10) of the regions (10, 11) without metallic materials, one (10) of the regions having a layer of material whose light refraction varies with the angle of incidence of the light and the other region (11) having a layer of material with constant reflection, at least one of the regions forming areas (20) without material in order to form graphic makings, characters and the like that can be detected visually. |
