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Card assembly having a loop antenna formed of a bare conductor and method for manufacturing the card assembly

  • US 6,161,761 A
  • Filed: 07/09/1998
  • Issued: 12/19/2000
  • Est. Priority Date: 07/09/1998
  • Status: Expired due to Term
First Claim
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1. A card assembly comprising:

  • a polymeric layer having a generally planar surface;

    an integrated circuit component adjacent to the polymeric layer;

    a loop antenna formed of a bare conductor having ends, the loop antenna comprising a first section embedded into the polymeric layer at a first depth relative to the generally planar surface, a second section embedded into the polymeric layer, and a transverse section, the transverse section crossing the first section and embedded into the polymeric layer at a second depth relative to the generally planar surface greater than the first depth, the ends being electrically coupled to the integrated circuit component; and

    a dielectric region interposed between the first section and transverse section, the dielectric region spacing apart the first section from the transverse section to electrically insulate the first section from the transverse section.

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