ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,152, issued on Sept. 8, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Piezoelectric thin film resonator" was invented by Tetsuya Kimura (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric thin film includes a piezoelectric element and a substrate supporting the piezoelectric element. The piezoelectric element includes a piezoelectric thin film and first and second electrodes opposing each other with the piezoelectric thin film interposed therebetween. The piezoelectric thin film has a first-electrode-side content of each of aluminum and scandium higher than a second-electrode-side content thereof and a ...