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Laminated stretched and unstretched polyester card for IC card

  • US 6,012,641 A
  • Filed: 12/02/1996
  • Issued: 01/11/2000
  • Est. Priority Date: 12/06/1995
  • Status: Expired due to Fees
First Claim
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1. A plastic card prepared by laminating unstretched polyester sheets to both sides of a single sheet or a laminate of a plurality of sheets of stretched polyester film, cutting the obtained laminate to a shape of a card, and forming a cavity for embedding a chip module by milling process in the laminate cut to the shape of a card.

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