US 12,003,031 B2
Dual-polarized microstrip patch antenna and array
Hadi Saeidi Manesh, Norman, OK (US); and Guifu Zhang, Norman, OK (US)
Assigned to The Board of Regents of the University of Oklahoma, Norman, OK (US)
Filed by The Board of Regents of the University of Oklahoma, Norman, OK (US)
Filed on Nov. 10, 2020, as Appl. No. 17/094,421.
Claims priority of provisional application 62/938,741, filed on Nov. 21, 2019.
Prior Publication US 2021/0159610 A1, May 27, 2021
Int. Cl. H01Q 21/24 (2006.01); G01S 7/02 (2006.01); G01S 13/95 (2006.01); H01Q 1/48 (2006.01); H01Q 19/00 (2006.01); H01Q 21/00 (2006.01)
CPC H01Q 21/24 (2013.01) [G01S 7/025 (2013.01); H01Q 1/48 (2013.01); H01Q 19/005 (2013.01); H01Q 21/0025 (2013.01); G01S 13/95 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A microstrip patch antenna comprising:
a unit cell comprising:
a plurality of layers comprising:
a first laminate comprising one or more horizontal polarization feed lines and one or more vertical polarization feed lines,
a second laminate comprising a radiating square patch, and
a third laminate comprising a parasitic patch; and
a ground plane positioned between the first laminate and the third laminate and comprising one or more polarization slots.