US Patent Issued to INTERNATIONAL BUSINESS MACHINES on May 13 for "Low loss travelling wave parametric devices using planar capacitors" (New York, Connecticut Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,176, issued on May 13, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Low loss travelling wave parametric devices using planar capacitors" was invented by Michael Karunendra Selvanayagam (Ossining, N.Y.), Corrado P. Mancini (Hopewell Junction, N.Y.), David Lokken-Toyli (White Plains, N.Y.), Gerald W. Gibson (Danbury, Conn.), Kathryn Turner Schonenberg (Wappingers Falls, N.Y.) and Shayne Cairns (Valhalla, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a travelling wave parametric amplifier (TWPA) includes forming a superconducting junction on a substrate. Trenches are etched away through a metal ...