US Patent Issued to STMICROELECTRONICS on March 18 for "Piezoelectric micromachined ultrasonic transducer comprising a lobed membrane element and methods of manufacturing thereof" (Italian Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,729, issued on March 18, was assigned to STMICROELECTRONICS S.r.l. (Agrate Brianza, Italy).

"Piezoelectric micromachined ultrasonic transducer comprising a lobed membrane element and methods of manufacturing thereof" was invented by Domenico Giusti (Caponago, Italy), Fabio Quaglia (Pizzale, Italy) and Marco Ferrera (Concorezzo, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A PMUT device includes a membrane element extending perpendicularly to a first direction and configured to generate and receive ultrasonic waves by oscillating about an equilibrium position. At least two piezoelectric elements are included, with each one located over the m...