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Radio frequency (RF) antenna containing element and methods of making the same

  • US 10,186,765 B2
  • Filed: 05/23/2011
  • Issued: 01/22/2019
  • Est. Priority Date: 01/24/2006
  • Status: Active Grant
First Claim
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1. A method of forming a radio frequency (RF) antenna containing element, the method comprising:

  • applying a pattern of UV curable adhesive to form an adhesive layer in a shape of an antenna to a carrier layer;

    providing a metal foil bonded to the carrier layer by the adhesive layer to form a metal foil laminate;

    cutting a shape in registry with the adhesive pattern that is in the shape of an antenna through the metal foil laminate to the carrier layer, wherein the cutting is performed by a laser such that the cut is a partial cut through the metal foil laminate and the adhesive layer;

    the metal foil laminate having an opening by creating a gap in the metal foil laminate to define antenna contact ends such that each antenna contact end has at least one contact extension, the gap being sized to allow placement of an RFID chip; and

    removing a matrix portion of the metal foil laminate to provide a metal foil laminate, cross-cut antenna disposed on the carrier layer.

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