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Microstrip array antenna

  • US 20100026584A1
  • Filed: 07/29/2009
  • Published: 02/04/2010
  • Est. Priority Date: 07/31/2008
  • Status: Active Grant
First Claim
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1. A microstrip array antenna comprising:

  • a dielectric substrate formed with a conductive ground plate at a back surface thereof; and

    strip conductors formed on a front surface of said dielectric substrate;

    said strip conductors including a linear main feeding strip line, and a plurality of array elements connected to said main feeding strip line, said array elements being disposed at least one of both sides of said main feeding strip line at a predetermined interval along a longitudinal direction of said main feeding strip line,each of said array elements including a sub-feeding strip line connected to said main feeding strip line, a rectangular radiating antenna element connected to a terminal end of said sub-feeding strip line, and a stub connected to said sub-feeding strip line,said stub being disposed between a connecting position between said main feeding strip line and said sub-feeding strip line and a connecting position between said sub-feeding strip line and said radiating antenna element.

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