| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet for an anticounterfeit medium, which enables a rapid issue of media such as tickets concealably formed with a code symbol such as a bar code, and the anticounterfeit medium. ! SOLUTION: A sheet for an anticounterfeit medium includes a base material 1, a heat-sensitive layer 2 that is formed on one surface of the base material 1 and that contains an infrared absorbent assuming infrared absorbability by heat, and a concealing layer 3 that has the property of shielding visible light and that is formed to at least partially overlap the heat-sensitive layer 2. A code symbol capable of being read by infrared rays is formed in a thermally sensitive manner in a part, which overlaps the concealing layer 3, of the heat-sensitive layer 2. ! COPYRIGHT: (C)2015,JPO&INPIT |
