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Circuit-like metallic foil sheet and the like and process for producing them

  • US 20020025416A1
  • Filed: 12/22/2000
  • Published: 02/28/2002
  • Est. Priority Date: 12/30/1994
  • Status: Active Grant
First Claim
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1. A process for fabricating a circuit-like metallic foil sheet for resonant tag and the like, said process using a laminate comprising a carrier sheet such as a paper or a plastic film adhered thereto a metallic foil as the base material, and said process comprising:

  • patterning the metallic foil of said laminate using a stamping die to provide a predetermined circuit-like pattern on the metallic foil;

    disposing the surface of a support such as a plastic film and the like opposed to the side of said laminate having thereon the metallic foil; and

    transferring the circuit-like metallic foil to the surface of the support by heating said circuit-like patterned portion from the carrier sheet side of said laminate or from the support side.

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