| 摘要 |
An IC tag includes a plane coil which is made by a conductor wire coated with an insulator wound several times in a plane, the plane coil having terminal portions and defining a central vacant area encircled by the wound wires. A semiconductor element is arranged in the central vacant area and placed in the plane and having a thickness substantially same as or smaller than a thickness of the plane coil, the semiconductor element having electrodes which are electrically connected to the terminal portions of the plane coil.
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