US 7,532,163 B2
Conformal electronically scanned phased array antenna and communication system for helmets and other platforms
Ike Y. Chang, Santa Monica, Calif. (US); Richard W. Nichols, Manhattan Beach, Calif. (US); Clifton Quan, Arcadia, Calif. (US); Jonathan D. Gordon, Hermosa Beach, Calif. (US); and Irwin L. Newberg, Pacific Palisades, Calif. (US)
Assigned to Raytheon Company, Waltham, Mass. (US)
Filed on Feb. 13, 2007, as Appl. No. 11/705,213.
Prior Publication US 2008/0191950 A1, Aug. 14, 2008
Int. Cl. H01Q 1/38 (2006.01)
U.S. Cl. 343—700MS  [343/718; 343/767] 16 Claims
OG exemplary drawing
 
1. An antenna comprising:
a substrate; and
an array of radiating elements disposed on said substrate, each of said elements including:
a resonant cavity formed between a ground plane and a layer of metallization having a radiating slot;
a first layer of dielectric material disposed within said cavity; and
a means for feeding said cavity with an electromagnetic signal.