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Wideband high gain dielectric notch radiator antenna

  • US 20090251377A1
  • Filed: 04/06/2009
  • Published: 10/08/2009
  • Est. Priority Date: 04/05/2008
  • Status: Active Grant
First Claim
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1. A radiator element comprising:

  • a substrate;

    a first substrate surface, a portion of which is covered with a conductive material, and a portion of which is uncovered;

    said conductive material forming a pair of horns having substantially identical shapes, said horns each extending in opposite directions to distal tips;

    a first cavity formed by said uncovered portion in-between said pair of horns;

    said first cavity having a mouth portion, said mouth portion beginning at a first edge along a line extending between said distal tips;

    said mouth portion reducing in cross-section as it extends from said first edge in-between said two horns to a narrowest point in between said pair of horns;

    said first cavity extending away from said narrowest point in a curved direction into a first one of said horns; and

    a feedline electrically communicating at a first end with a second one of said horns and adapted at a second end for electrical communication with an RF receiver or transceiver.

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