| abstract |
An anti-counterfeit paper capable of obtaining a maximum anti-counterfeit effect at a minimum cost is provided. In an anti-counterfeit paper in which fibers that can be detected by a contact or non-contact sensor are engraved in paper, the fiber surface is coated with an organic material, and the organic material contains Fluorescent or phosphorescent material is included, and the center of the fiber is a conductor or metal wire made of a material selected from the group consisting of copper, aluminum, iron, cobalt, and a compound containing one or more of these. Anti-counterfeiting paper [selection figure] Fig. 1 |