US Patent Issued to InvenSense on April 22 for "Piezoelectric micromachined ultrasonic transducer with a patterned membrane structure" (American, Spanish Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,920, issued on April 22, was assigned to InvenSense Inc. (San Jose, Calif.).

"Piezoelectric micromachined ultrasonic transducer with a patterned membrane structure" was invented by Andre Guedes (Barcelona, Spain), Fabian Goericke (Berkeley, Calif.), Stefon Shelton (Oakland, Calif.), Benedict Costello (Piedmont, Calif.) and David Horsley (Albany, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric micromachined ultrasonic transducer (PMUT) device includes a substrate having an opening therethrough and a membrane attached to the substrate over the opening. An actuating structure layer on a surface of the membrane includes a piezoelect...