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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.:

US 11737373 B1

PDFFull Text
Date of Patent:
Aug. 22, 2023

Filed:

Sep. 30, 2020

Silicide passivation of niobium

Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Matthew W. Copel, Yorktown Heights, NY (US);

James B. Hannon, Mahopac, NY (US);

Adam M. Pyzyna, Cortlandt Manor, NY (US);

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);

Attorney:

Amin, Turocy & Watson, LLP

Primary Examiner:

Sherman Ng

Int. Cl.
CPC ...
H10N 60/01 (2023.01); C23C 14/00 (2006.01); H10N 60/12 (2023.01); H10N 60/85 (2023.01); H10N 69/00 (2023.01); C23C 14/06 (2006.01); C23C 14/02 (2006.01);
U.S. Cl.
CPC ...
H10N 60/0128 (2023.02); C23C 14/0036 (2013.01); H10N 60/0912 (2023.02); H10N 60/12 (2023.02); H10N 60/85 (2023.02); H10N 69/00 (2023.02); C23C 14/02 (2013.01); C23C 14/0682 (2013.01);
Abstract

A superconducting device which includes a substrate, multiple niobium leads formed on the substrate, a niobium silicide (NbSi) passivation layer formed on a surface of at least one of the multiple niobium leads, and an aluminum lead formed directly on at least a portion of the NbSipassivation layer such that an interface therebetween is substantially free of oxygen and oxidized material, where the multiple niobium leads and the aluminum lead are constructed to carry a supercurrent while in use.

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