| 摘要 |
There is provided a game card including an IC device and an antenna that do not reduce uniformity of thickness of the card due to the IC device and the antenna. The game card stores authentication information readable by a reader/writer that emits electromagnetic waves, and includes an IC device for transmitting and receiving data according to a request from the reader/writer, an intermediate member having a space for housing the IC device, and an antenna provided by printing on the intermediate member with conductive ink and connected to the IC device. A front surface member and a rear surface member are joined to opposite sides of the intermediate member by bonding or the like to form the game card.
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