摘要 |
The invention relates to a security feature (200) of a new type, for a value product or security product (100), which security feature (200) is formed by at least one light-guiding structure (220), which extends through a product layer (105) having a front main surface (101) and a rear main surface (103). The at least one light-guiding structure (220) comprises an end face (230) for letting light in and an end face (210) for letting light out. All end faces (210, 230) are located in the region of one of the main surfaces (101, 103). The light-guiding structure (220) is formed by a material strand segment (250). |