ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,003, issued on Aug. 11, was assigned to ECOLE DE TECHNOLOGIE SUPERIEURE (Montreal).
"Pulse shaping methods for non-linear acoustic piezoelectric transducers" was invented by Frederic Nabki (Montreal) and Mathieu Gratuze (Montreal).
According to the abstract* released by the U.S. Patent & Trademark Office: "Piezoelectric Micromachined Ultrasonic Transducers (PMUTs) exploiting microelectromechanical systems (MEMS) support monolithic integration with silicon based CMOS electronic thereby leveraging the cost benefits of large wafer automated silicon processing. However, nonlinear behaviour in MEMS resonators compromises their performance in some applications whilst being desired in o...