US Patent Issued to International Business Machines on Feb. 17 for "Electrically tunable surface acoustic wave resonator" (Swiss, German Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,155, issued on Feb. 17, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Electrically tunable surface acoustic wave resonator" was invented by Sergej Markmann (Bochum, Germany) and Gian R. von Salis (Aeugst am Albis, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surface acoustic wave resonator device comprises a substrate supporting: a gateable, electrically conducting layer; an interdigital transducer (IDT); a reflector grating that comprises a plurality of electrically separated fingers; a main ohmic contact; and a gate element. The IDT is configured to be connectable to a ground. The conducting layer is config...