Ultra-thin flexible durable radio frequency identification devices and hot or cold lamination process for the manufacture of ultra-thin flexible durable radio frequency identification devices

  • US 6,441,736 B1
  • Filed: 06/29/2000
  • Issued: 08/27/2002
  • Est. Priority Date: 07/01/1999
  • Status: Active Grant
First Claim
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1. A process for incorporating at least one electronic element in the manufacture of a plastic device 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 to a first period of time;

    (II) applying a first pressure to said core for a second prior 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) coating at least one of said outer surfaces of said core with a layer of ink; and

    (e) applying a layer of overlaminate film to at least one outer surface of said core.

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