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WIRELESS IC DEVICE AND ELECTROMAGNETIC COUPLING MODULE

  • US 20110080331A1
  • Filed: 09/27/2010
  • Published: 04/07/2011
  • Est. Priority Date: 10/02/2009
  • Status: Active Grant
First Claim
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1. A wireless IC device comprising:

  • a wireless IC;

    a feeder circuit coupled to the wireless IC and including an inductance element; and

    a radiation plate coupled to the inductance element and arranged to radiate a transmission signal supplied from the feeder circuit and/or supply a reception signal to the feeder circuit;

    whereinthe inductance element includes a plurality of stacked layers including electrically connected coil conductors, and a coil conductor electrically connected in a middle portion of the inductance element is arranged at an end position in a coil axis direction and faces the radiation plate.

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