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.

Date of Patent:
May. 10, 2016

Filed:

Aug. 18, 2014
Applicant:

D-wave Systems Inc., Burnaby, CA;

Inventors:

Trevor Michael Lanting, Vancouver, CA;

Paul I. Bunyk, Vancouver, CA;

Andrew J. Berkley, Vancouver, CA;

Richard G. Harris, North Vancouver, CA;

Sergey V. Uchaykin, Burnaby, CA;

Andrew Brock Wilson, Burnaby, CA;

Mark Johnson, Vancouver, CA;

Assignee:

D-Wave Systems Inc., Burnaby, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/00 (2006.01); G01R 33/035 (2006.01);
U.S. Cl.
CPC ...
G01R 33/0354 (2013.01); G01R 33/0017 (2013.01); G01R 33/0094 (2013.01);
Abstract

SQUIDs may detect local magnetic fields. SQUIDS of varying sizes, and hence sensitivities may detect different magnitudes of magnetic fields. SQUIDs may be oriented to detect magnetic fields in a variety of orientations, for example along an orthogonal reference frame of a chip or wafer. The SQUIDS may be formed or carried on the same chip or wafer as a superconducting processor (e.g., a superconducting quantum processor). Measurement of magnetic fields may permit compensation, for example allowing tuning of a compensation field via a compensation coil and/or a heater to warm select portions of a system. A SQIF may be implemented as a SQUID employing an unconventional grating structure. Successful fabrication of an operable SQIF may be facilitated by incorporating multiple Josephson junctions in series in each arm of the unconventional grating structure.


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