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 8548542 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 01, 2013

Filed:

Apr. 13, 2010
Applicants:

Yoshimi Hatsukade, Toyohashi, JP;

Saburo Tanaka, Toyohashi, JP;

Sho Kanai, Toyohashi, JP;

Inventors:

Yoshimi Hatsukade, Toyohashi, JP;

Saburo Tanaka, Toyohashi, JP;

Sho Kanai, Toyohashi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/035 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided a directly-coupled high-temperature superconductor SQUID magnetic sensor in a single thin film structure, which suppresses flux trapping or jumping generated in the sensor in a magnetic field, prevents the degradation in performance of the SQUID sensor, and operates stably with high sensitivity even in the magnetic field. The SQUID magnetic sensor including a bi-crystal substratehaving a bi-crystal grain boundary, pickup loops-formed from a first high-temperature superconducting thin film on the bi-crystal substrate, and a SQUID ringformed from the first high-temperature superconducting thin film on the bi-crystal grain boundary, directly connected with the pickup loops-, wherein a plurality of pickup loops-are disposed equally spaced from a bi-crystal grain boundary lineso as not to overlap with the bi-crystal grain boundary.


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Hatsukade, Yoshimi. (2013). Squid magnetic sensor (U.S. Patent No. 8548542). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8548542

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