ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,904, issued on June 17, was assigned to Shenzhen Newsonic Technologies Co. Ltd. (Shenzhen, China).
"Bulk acoustic wave filter having release hole and fabricating method of the same" was invented by Jian Wang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bulk acoustic wave resonator includes a substrate, a support layer disposed on the substrate, the support layer including a cavity having a polygon shape with more than three sides in a plane crossing a first direction from the substrate to the support layer, a piezoelectric layer disposed on the support layer, a bottom electrode disposed below the piezoelectric layer, partially o...