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Dual interface smart cards, and methods of manufacturing

DC CAFC
  • US 9,033,250 B2
  • Filed: 09/08/2013
  • Issued: 05/19/2015
  • Est. Priority Date: 08/12/2010
  • Status: Active Grant
First Claim
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1. Card Body (CB) for a smart card, comprising:

  • a surface having a surface area, an upper portion of the surface constituting approximately half of the surface area of the card body and a lower portion of the surface constituting a remaining approximately half of the surface area of the card body;

    a first area extending around a peripheral portion of the card body in at least the upper portion of the card body;

    a card antenna (CA) disposed in the first area;

    a second area located in the upper portion of the card body and corresponding in size to and at a position corresponding to a location of an antenna module (AM) for the smart card;

    a third area located in the upper portion of the card body which is separate from the first area and the second area;

    a coupler coil (CC) disposed in the second area; and

    an extension antenna (EA) disposed in the third area.

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