Superconductive magnetic sensor having self induced magnetic bia

Details Superconductive magnetic sensor having self induced magnetic bia Superconductive magnetic sensor having self induced magnetic bia

1990-10-05

1993-07-13

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Magnetometers

324252, 338 32R, 338 32S, 505700, G01R 33035, G01R 3306

Patent

active

052277216

ABSTRACT:
A superconductinve magneto-resistive device for use in a sensor system for sensing an external magnetic field which is formed so as to have a predetermined pattern for a current path through which a supplied current flows. The pattern includes portions formed close and parallel to each other so that magnetic fields induced by respective currents flowing through the portions can be cancelled with each other.

REFERENCES:
patent: 4596950 (1986-06-01), Lienhard et al.
patent: 4649342 (1987-03-01), Nakamura
patent: 4660113 (1987-04-01), Nomura et al.
Tsuchimoto et al., "Novel Magnetic Sensor Using YBACUO Ceramic Superconductor Super Magneto-Resistor", IEEE, Dec. 8, 1987, pp. 867-868.
Nojima et al., "Galvonomagnetic Effect of a V-Ba-Ca-O Ceramic Superconductor and its Application . . . ", Jap Jrnl. Appl. Phys., vol. 27, No. 5 May 1988, pp. 74-78.
Kita et al., "Highly Sensitive Magnetic Sensor Using Y.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x Films", FEDHiTcSc-Ed Wrkshp, Jun. 2-4, 1988, pp. 231-234.
Minami et al., "Temperature Dependence of Anomaloas Magnetism of Hi-Tc Superconductors . . . ", Jrnl. Appl. Phys., May 1987, pp. L783-L784.
Moffat et al., "Temperature Dependence of the Surface Resistivity at 1.5 GHz and 6 GHz . . . ", Material Res. Soc. Symp., Apr. 5-9 1988, pp. 347-350.
Sun et al., "Superconductivity and Magnetism in the High-Tc Superconductor Y-Ba-Cu-O", Phys. Rev. Lett., vol. 58, No. 15, pp. 1574-1576, Apr. 13, 1987.

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