| 摘要 |
A security feature for security documents or documents of value, comprising a transparent body (2) provided with devices for representing graphical information according to an angle (18, 19, 20) between the direction of illumination and the direction of observation. Said devices consist of almost overlapping laminae (7, 8) arranged in the form of steps in said body (2). Preferably, the lamellae (7, 8) are fractally embodied and arranged in the body (2) in ascending order. |
