The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 16, 2021
Filed:
Oct. 24, 2019
Raytheon Company, Waltham, MA (US);
David Liu, Amherst, NH (US);
Kenneth S. Komisarek, Manchester, NH (US);
John Yorko, Lancaster, MA (US);
RAYTHEON COMPANY, Waltham, MA (US);
Abstract
Phased array antenna systems with antenna elements having substrates with varying dielectric constants selected to reduce the self-return signal of corner elements in the array. In one example, a phase array antenna system includes a plurality of stacked-patch microstrip antenna elements arranged in a two-dimensional array, each stacked-patch microstrip antenna element of the plurality of stacked-patch microstrip antenna elements including a pair of conductive patches disposed above a ground plane on a dielectric substrate. The dielectric substrate of corner stacked-patch microstrip antenna elements in the array has a dielectric constant lower than a dielectric constant of the dielectric substrate of non-corner stacked-patch microstrip antenna elements in the array.