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Radio frequency identification device and method

  • US 20070103316A1
  • Filed: 12/11/2006
  • Published: 05/10/2007
  • Est. Priority Date: 08/12/1992
  • Status: Active Grant
First Claim
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1. A radio frequency identification (RFID) device comprising:

  • a first flexible film of substantially uniform thickness having a first outer boundary;

    a single integrated circuit (IC), comprising;

    memory configured to store at least an identification number, a receiver configured to process a wireless interrogation signal, and a transmitter configured to provide a response to the wireless interrogation signal, the response including the identification number;

    a dipole antenna coupled to both the receiver and the transmitter of the IC, the dipole antenna operable to receive the wireless interrogation signal and to supply the response; and

    a second flexible film of substantially uniform thickness having a second outer boundary sealed directly to the first outer boundary of the first film to form a flexible package, wherein the IC and the dipole antenna are disposed between the first and second films.

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