ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,979, issued on July 22, was assigned to Qorvo US Inc. (Greensboro, N.C.).

"Piezoelectric bulk layers with tilted c-axis orientation and methods for making the same" was invented by Derya Deniz (McKinney, Texas), Matthew Wasilik (Plano, Texas), Robert Kraft (Plano, Texas) and John Belsick (Bend, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A structure includes a substrate including a wafer or a portion thereof; and a piezoelectric bulk material layer comprising a first portion deposited onto the substrate and a second portion deposited onto the first portion, the second portion comprising an outer surface having a surface roughness (Ra) of 4.5...