ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,592, issued on March 25, was assigned to Skyworks Solutions Inc. (Irvine, Calif.).
"Lamb wave delay line" was invented by Siarhei Dmitrievich Barsukou (Takarazuka, Japan), Rei Goto (Osaka, Japan) and Hiroyuki Nakamura (Osaka-Fu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A delay line for radio frequency circuits comprises a piezoelectric substrate, a transmission single phase unidirectional transducer (SPUDT) disposed on the piezoelectric substrate, and a receive SPUDT disposed on the piezoelectric substrate and separated from the transmission SPUDT in a direction of transmission of a main acoustic wave mode utilized by the transmission S...