US Patent Issued to The Regents of the University of California on Jan. 20 for "Magnetic field sensor using acoustically driven ferromagnetic resonance" (California Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,049, issued on Jan. 20, was assigned to The Regents of the University of California (Oakland, Calif.).

"Magnetic field sensor using acoustically driven ferromagnetic resonance" was invented by Sayeef Salahuddin (Walnut Creek, Calif.) and Dominic E. Labanowski (Berkeley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustically driven ferromagnetic resonance (ADFMR) device has a piezoelectric element comprised of piezoelectric material, first and second electrodes arranged in a vertical stack with the piezoelectric element to activate the piezoelectric element to generate an acoustic wave, a radio frequency voltage source electrically con...