US Patent Issued to STMICROELECTRONICS on Feb. 17 for "Micro-electro-mechanical device for transducing high-frequency acoustic waves in a propagation medium and manufacturing process thereof" (Italian Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,660, issued on Feb. 17, was assigned to STMICROELECTRONICS S.r.l. (Agrate Brianza, Italy).

"Micro-electro-mechanical device for transducing high-frequency acoustic waves in a propagation medium and manufacturing process thereof" was invented by Domenico Giusti (Caponago, Italy), Fabio Quaglia (Pizzale, Italy) and Carlo Luigi Prelini (Seveso, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "PMUT acoustic transducer formed in a body of semiconductor material having a face and accommodating a plurality of first buried cavities, having an annular shape, arranged concentrically with each other and extending at a distance from the face of the body. Th...