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Microwave antenna including an antenna array including a plurality of antenna elements

  • US 9,099,787 B2
  • Filed: 12/06/2012
  • Issued: 08/04/2015
  • Est. Priority Date: 12/21/2011
  • Status: Expired due to Fees
First Claim
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1. A microwave antenna comprising an antenna array comprising a plurality of antenna elements, an antenna element comprising:

  • a cover;

    a hollow waveguide formed within the cover for guiding microwave radiation at an operating frequency between a first open end portion and a second end portion arranged opposite the first end portion;

    a septum arranged centrally and along the longitudinal direction within the waveguide and separating said waveguide into two waveguide portions;

    a substrate arrangement arranged at the second end portion within the cover, said substrate arrangement comprising a ground plane and line structures arranged on both sides of and at a distance from said ground plane and a substrate integrated waveguide;

    a waveguide transition arranged between said hollow waveguide and said substrate integrated waveguide;

    an integrated circuit arranged within said cover and being electrically contacted to said ground plane and said line structures; and

    terminals being electrically contacted to said integrated circuit.

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