| 摘要 |
PROBLEM TO BE SOLVED: To provide a coin type RFID tag that is a metallic coin into which an RFID tag is integrated while suppressing deterioration in physical resistance due to a slit structure for securing communication performance and adverse effect on design and beauty of a surface.SOLUTION: A coin type RFID tag 1 is a metallic coin into which an RFID tag 30 is integrated. A plurality of slits 11 and 21 is provided along the outer periphery of the coin. A ring type housing groove 22 is provided in the coin under a state where both slits 11 and 21 are covered. In the housing groove 22, an IC chip 31 and a coil antenna 32 constituting the RFID tag 30 are accommodated. |
