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Low cost reduced-loss printed patch planar array antenna

  • US 6,271,792 B1
  • Filed: 07/24/1997
  • Issued: 08/07/2001
  • Est. Priority Date: 07/26/1996
  • Status: Expired due to Fees
First Claim
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1. An antenna comprising:

  • a first dielectric in a layer between a conducting ground plane and at least one conducting radiating element of an antenna supplied by a conducting transmission line, second and third dielectrics in layers on opposite sides of the first dielectric, at least the second dielectric being relatively thinner than the first dielectric to couple less power than is coupled with the first dielectric, the first dielectric having a relatively lower dielectric constant than that of at least the second dielectric to increase the band width transmission capability of said transmission line for a given transmission line impedance, the relatively thinner second dielectric is adjacent said transmission line and said radiating element, and the relatively thinner second dielectric having a relatively higher dielectric constant than that of the first dielectric to promote surface wave coupling and reduction of wave losses along said transmission line and said radiating element.

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