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:
Sep. 01, 2026
Filed:
Jun. 22, 2023
Government of the United States, As Represented BY the Secretary of the Air Force, Wright-Patterson AFB, OH (US);
Michael R. Page, Powell, OH (US);
Derek A. Bas, Dayton, OH (US);
Piyush J. Shah, West Chester, OH (US);
Michael J. Newburger, Plain City, OH (US);
Michael E Mcconney, Beavercreek, OH (US);
Amber N. Reed, Fairborn, OH (US);
United States of America as represented by the Secretary of the Air Force, Wright-Patterson AFB, OH (US);
Abstract
A nonreciprocal microwave phase shifter or circulator includes a substrate, a transducer on a surface of the substrate and configured to reciprocally convert between electrical signals to acoustic waves, a first piezoelectric material configured to generate and transport acoustic waves from a signal applied to the transducer, and a thin film magnetic material configured to couple to acoustic waves through magnetoelastic coupling so as to have nonreciprocal magnetoelastic coupled acoustic wave transport. Phase shifts of acoustic waves through the thin film magnetic material in directions toward and away the transducer have significantly different magnitudes.