ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,689, issued on April 7, was assigned to Google LLC (Mountain View, Calif.).
"Superconducting microwave filters" was invented by George Earl Grant Sterling (Santa Barbara, Calif.), Michael C. Hamilton (Auburn, Ala.), Lev Ioffe (Santa Barbara, Calif.) and Charles Neill (Goleta, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microwave filter includes a multilayer stack. The multilayer stack includes one or more first-type layers composed of a first superconductor material having a first superconducting critical temperature; and one or more second-type layers composed of a non-superconductor metal or a second superconductor material having a se...