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    • 6. 发明公开
    • 무선 IC 디바이스
    • 无线IC器件
    • KR1020090058515A
    • 2009-06-09
    • KR1020097004504
    • 2008-07-02
    • 가부시키가이샤 무라타 세이사쿠쇼
    • 카토노보루이케모토노부오
    • G06K19/07H01Q7/00H04B5/02H01Q23/00
    • H01Q1/2225G06K19/041G06K19/07745H01L2924/0002H01L2924/00
    • A wireless IC device main section (6) is arranged on a surface opposite to a surface which receives signals from a reader/writer. The wireless IC device main section (6) is provided with a loop-like electrode (7) on an insulating substrate, and an electromagnetically coupled module (1) coupled with the electrode. An eddy current (J) is generated over the entire conductor main surface of a metal article (60) due to the signals (magnetic field (Ho)) transmitted from the reader/writer, and a magnetic field (Hi) is generated in a direction vertical to the conductor main surface by the eddy current (J). Then, the loop-like electrode (7) is coupled with the magnetic field (Hi). The device functions as an RF-ID also to a signal from the main surface opposite to the wireless IC device main section (6). Thus, manufacturing cost of the metal article is reduced, and the wireless IC device wherein the metal article is used as a radiator is configured.
    • 无线IC器件主体部(6)配置在与从读取器/写入器接收信号的表面相反的表面上。 无线IC器件主体部(6)在绝缘基板上设置有环状电极(7),与电极耦合的电磁耦合模块(1)。 由于从读取器/写入器发送的信号(磁场(Ho)),在金属制品(60)的整个导体主表面上产生涡流(J),并且在 通过涡流(J)垂直于导体主表面的方向。 然后,环状电极(7)与磁场(Hi)耦合。 该装置也作为来自与无线IC器件主体(6)相反的主表面的信号作为RF-ID。 因此,金属制品的制造成本降低,并且配置将金属制品用作散热器的无线IC器件。