The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 08, 2020
Filed:
Aug. 26, 2016
Royal Holloway and Bedford New College, Egham, GB;
Victor Tikhonovich Petrashov, Egham, GB;
Christopher Checkley, Selby, GB;
Royal Holloway and Bedford New College, Egham, GB;
Abstract
A quantum interference device includes a superconducting loop interrupted by a normal conductor segment, and an interferometer connected to the normal conductor segment, wherein the superconducting loop includes a plurality of turns. The turns can be a plurality of adjacent lobes. A coil can be located within a lobe of the superconducting loop. Optionally, a bridge layer (e.g., of gold) is formed above the substrate to make an electrical contact between a superconducting layer (e.g., of niobium) formed above the bridge layer and a normal conducting layer (e.g., of titanium) formed above the bridge layer. The bridge layer allows the device to be formed of superconducting and normal conducting material that are otherwise incompatible. A titanium normal conducting layer can be allowed to oxidize over a period of years.