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Planar RF antenna with duplicate unit cells

  • US 10,553,935 B2
  • Filed: 11/22/2017
  • Issued: 02/04/2020
  • Est. Priority Date: 11/22/2017
  • Status: Active Grant
First Claim
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1. An antenna comprising:

  • a planar dielectric substrate having opposing first and second surfaces;

    a ground plane disposed at the first surface, the ground plane composed of conductive material; and

    a radiating plane disposed at the second surface and composed of conductive material, the radiating plane including a plurality of unit cells, wherein each unit cell comprises;

    a corresponding section of the conductive material of the radiating plane that is formed in a specified shape, the specified shape including a first portion forming a load inductor and second portion forming a radiating patch electrically coupled to the load inductor and wherein the conductive material of the radiating plane of the unit cell is continuous with the conductive material of the radiating plane of at least one other unit cell of the plurality of unit cells; and

    at least one via electrically coupling the load inductor to the ground plane.

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