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US 2001/0043162 A1Published application
Laminate RFID label and method of manufacture
AssigneeBrady Worldwide, Inc.
InventorSusan M. Babb
Life of this patent
Estimating the term…
Abstract
A laminated label has a first conductive material defining electrical attachment pads; a dielectric material surrounding the attachment pads; a second conductive material deposited on the dielectric material and forming an antenna electrically connected to the attachment pads. A layer of expandable material forms a protective cavity surrounding the attachment pads. An IC chip is received in the protective cavity and connected to the antenna.
Claims1
A method of making a laminated article for use as an RFID label comprising the steps of:
- printing a first electrically conductive material to form two attachment pads;
- printing a dielectric material in a layer surrounding said attachment pads;
- printing a second electrically conductive material onto said dielectric material, said second electrically conducting material being shaped to define an antenna;
- printing a protective material containing heat expandable spheres in a layer surrounding said attachment pads;
- and
- expanding said expandable spheres to form a protective cavity containing said attachment pads.
3 more elements
Dependencies are inferred from the claim text.