US 6,982,671 B2
Slot fed microstrip antenna having enhanced slot electromagnetic coupling
William D. Killen, Melbourne, Fla. (US); and Randy T. Pike, Grant, Fla. (US)
Assigned to Harris Corporation, Melbourne, Fla. (US)
Filed on Feb. 25, 2003, as Appl. No. 10/373,935.
Prior Publication US 2004/0164907 A1, Aug. 26, 2004
This patent is subject to a terminal disclaimer.
Int. Cl. H01Q 1/38 (2006.01)
U.S. Cl. 343—700MS 15 Claims
OG exemplary drawing
 
1. A slot fed microstrip antenna, comprising:
an electrically conducting ground plane, said ground plane having at least one slot;
a feed line for transferring signal energy to or from said slot;
a first dielectric substrate material disposed between said feed line and said ground plane, wherein at least a portion of said first dielectric substrate includes magnetic particles;
wherein at least some of said magnetic particles are disposed in a first junction between said feed line and said slot.