Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent
1990-03-07
1992-05-05
Snow, Walter E.
Electricity: measuring and testing
Magnetic
With means to create magnetic field to test material
324226, 324262, 505842, G01N 2772, G01R 3312
Patent
active
051111403
ABSTRACT:
Characteristics of a superconductor such as a repulsive displacement of a superconductor against a magnet or a rotational resistance of the superconductor due to flux-pinning in the superconductor are measured by supporting the superconductor in a non-contact mode; disposing a magnet at a position opposite to the superconductor; and moving the superconductor toward the magnet relatively or increasing the magnetic force of the magnet. The measurement may be carried out while the superconductor is applied with a load or is rotating.
REFERENCES:
patent: 4939458 (1990-07-01), Yarar et al.
patent: 4965518 (1990-10-01), Agarwala
Koyo Seiko Co. Ltd.
Snow Walter E.
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