Radio frequency identification card and hot lamination process for the manufacture of radio frequency identification cards

  • US 6,214,155 B1
  • Filed: 09/22/1998
  • Issued: 04/10/2001
  • Est. Priority Date: 10/17/1995
  • Status: Expired due to Term
First Claim
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1. A process for incorporating at least one electronic element in the manufacture of a plastic card, comprising the steps of:

  • (a) providing first and second plastic core sheets;

    (b) positioning said at least one electronic element in the absence of a non-electronic carrier directly between said first and second plastic core sheets to form a core, said plastic core sheets defining a pair of inner and outer surfaces of said core;

    (c) positioning said core in a laminator apparatus, and subjecting said core to a heat and pressure cycle, said heat and pressure cycle comprising the steps of;

    (i) heating said core for a first period of time;

    (ii) applying a first pressure to said core for a second period of time such that said at least one electronic element is encapsulated by said core;

    (iii) cooling said core while applying a second pressure to said core, (d) applying a layer of overlaminate film to at least one of said outer surfaces of said core.

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