Superconductor technology: apparatus – material – process – High temperature – per se – Having tc greater than or equal to 150 k
Patent
1989-12-22
1992-01-07
Heinz, A. J.
Superconductor technology: apparatus, material, process
High temperature , per se
Having tc greater than or equal to 150 k
360 55, 360131, 505834, H01B 1200, G11B 502, G11B 574, G11B 2300
Patent
active
050792199
ABSTRACT:
Information-bearing signals are stored using high-temperature superconducting materials. Type II semiconductors, such as materials in the perovskite class, are used for recording. A vortex of electrical current is induced in a layer of the super-conductive materials which causing a magnetic field extending from the axis of the vortex. One or more vortices can be used to record one bit of information. The induced magnetic field is sensed for reading the stored information.
REFERENCES:
patent: 3201765 (1965-08-01), Pearl
patent: 4186441 (1980-01-01), Baechtold
patent: 4843504 (1989-07-01), Barnes
"Suspension in Magnetic Recording Using High T.sub.c Superconductors" by Bruce R. Scharf, Walter Eidelloth, Frank S. Barnes, Matthew Dugas, IEEE Transactions on Magnetics, vol. 25, No. 5, Sep. 1989, pp. 3230-3232.
"Optical Response of Bulk BI-Sr-Ca-Cu-O", by Walter Eidelloth & Frank S. Barnes, reprented from IEEE Journal of Quantum Electronics, vol. 25, No. 11, Nov. 1989.
"Applications of High T.sub.c Superconductors to Magnetic Recording Means", by M. Dugas, W. Eidelloth & F. Barnes, AQ-03, MMM/Intermag '88, Vancouver.
Hancock Earl C.
Heinz A. J.
Somermeyer H. F.
University of Colorado Foundation Inc.
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