| 摘要 |
An RFID tag (4) includes a base (113), an antenna (112) for communication wired to the base, a circuit chip (111) electrically connected to the antenna for radio communication via the antenna, a first reinforcing member (116a) and a second reinforcing member (116b). The first reinforcing member (116a) covers and fills the whole of the circuit chip and part of the antenna. The second reinforcing member (116b) is positioned opposite the first reinforcing member (116a) on the other side of the base (113) and has an outer edge that is displaced (by an amount ´) from the outer edge of the first reinforcing member at least at a point where the edge of the first reinforcing member meets the antenna (112).
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