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Microstrip antenna with an edge ground structure

  • US 6,049,309 A
  • Filed: 04/07/1998
  • Issued: 04/11/2000
  • Est. Priority Date: 04/07/1998
  • Status: Expired due to Term
First Claim
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1. A microstrip antenna comprising:

  • a dielectric substrate;

    a patch antenna element on the top of the dielectric substrate;

    a ground connected to the dielectric substrate, said ground including a ground structure that extends above the bottom of the dielectric substrate, said ground structure physically contacting the dielectric substrate without physically contacting the patch antenna element;

    a feeder connected to the patch antenna element; and

    a short-maker connecting the patch antenna element and the ground.

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