ALEXANDRIA, Va., June 9 -- United States Patent no. 12,290,008, issued on April 29, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).
"Scaled quantum circuits" was invented by Gerald W. Gibson (Danbury, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for forming respective groups of quantum circuit elements (QCEs) on respective crystalline surfaces of a crystalline dielectric (CD) layer are presented. Vias can be formed in the CD layer. Second QCEs can be formed on a second crystalline surface of the CD layer. A seal layer can be applied to the patterned second metallization layer that forms the second QCEs. A handle wafer can be bonded to the seal layer. The chip stack ca...