Patent ID: 11937517
Assignee: OXFORD UNIVERSITY INNOVATION LIMITED
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 13:
14. A superconducting quantum computing circuit package comprising:
a substrate on which a superconducting quantum computing circuit is formed, wherein the superconducting quantum computing circuit comprises a plurality of circuit elements and the substrate comprises one or more holes arranged between the plurality of circuit elements, wherein the one or more holes extend through a thickness of the substrate; and
a holder comprising a surface on which the substrate is received and a cover arranged on an opposite side of the substrate from the holder, wherein the holder and the cover are formed from a metal and/or a superconductor and the holder comprises one or more projections arranged on and projecting from the surface;
wherein the one or more projections protrude through the one or more holes in the substrate and contact the cover so to suppress electromagnetic modes in the frequency range of operation of the quantum computing circuit;
wherein the cover comprises one or more depressions corresponding to the one or more projections, wherein the one or more depressions are arranged to receive the one or more projections, such that the one or more projections contact the cover in the corresponding one or more depressions; and
wherein the cover comprises a volume of a conducting material in the one or more depressions, wherein the material is softer than the metal of the cover.