| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To extend a communication distance between IC tag and a reader/writer, and to prevent a communication distance between the tag and the reader/writer from being shortened, even if a metal object whose part has holes or the like is equipped with the tag, when the metal object is equipped with the wireless IC tag to carry out communications between the tag and the reader/writer. <P>SOLUTION: A first dielectric layer 12 is provided between a first communication antenna part 14 having an IC chip 13 and a second communication antenna part 11, a conductive layer 16 is provided on a surface of the first communication antenna 14 on a side opposite to the first dielectric layer 12 via a second dielectric layer 15, a notch 14a for impedance adjustment is provided in the first communication antenna part 14, and a notch 11a for frequency adjustment is provided in the second communication antenna part 11. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
