ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,625, issued on April 21, was assigned to THE BOEING COMPANY (Arlington, Va.).
"Group-IV solar cell structure using group-IV heterostructures" was invented by Richard R. King (Thousand Oaks, Calif.), Christopher M. Fetzer (Sylmar, Calif.) and Nasser H. Karam (La Canada, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Photovoltaic cells including a first group-IV subcell including an n-type emitter layer comprising a first group-IV material selected from a first group consisting of Ge, SiGe and SiGeSn, and a second layer comprising a second group-IV material, the second group-IV material being different from the first group-IV material, and the...