US Patent Issued to THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS on March 24 for "Higher order lamb wave acoustic devices with complementarily-oriented piezoelectric layers" (Illinois Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,161, issued on March 24, was assigned to THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS (Urbana, Ill.).

"Higher order lamb wave acoustic devices with complementarily-oriented piezoelectric layers" was invented by Songbin Gong (Champaign, Ill.), Yansong Yang (Urbana, Ill.), Ruochen Lu (Champaign, Ill.) and Steffen Link (Urbana, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a stack of at least two piezoelectric layers configured to propagate a Lamb wave in a mode having an order corresponding to a number of piezoelectric layers of the stack. The stack includes a first piezoelectric layer and a second piezoelectric layer d...