MEDIUM AND STICKER FOR PREVENTING COUNTERFEIT, AND READING METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a medium for preventing counterfeit which enhances reliability and security by securely preventing a duplication due to counterfeiting and fraudulent use and can be executed more inexpensively.

SOLUTION: The medium for preventing counterfeit is characterized that a reflection layer 13 is provided on one face of a transparent resin sheet in which beads 12 are randomly mixed and arranged, a transparent protection layer 11 is provided on the other side face of the reflection layer, and the beads are visible. A sticker for preventing counterfeit and a reading method therefor are also provided.

COPYRIGHT: (C)2006,JPO&NCIPI