Magnetic head slider employing superconductor for levitation

Details Magnetic head slider employing superconductor for levitation Magnetic head slider employing superconductor for levitation

1990-04-30

1992-05-19

Tupper, Robert S.

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

360103, 360104, 360122, H01B 1200, G11B 560

Patent

active

051149133

ABSTRACT:
A slider assembly for supporting a magnetic head a small uniform spacing above the surface of a magnetic recording medium comprising a slider body having a layer of superconducting material on the surface of the slider assembly which faces the surface of the magnetic recording medium. The slider assembly is maintained in a vacuum of a predetermined level or in a predetermined gas, and the slider assembly is cooled to a temperature below the critical temperature of the superconductor material so that the slider assembly and the magnetic transducer are levitated to a small uniform spacing above the surface of the magnetic recording medium due to magnetic forces between the magnetized magnetic recording medium and the layer of superconducting material.

REFERENCES:
patent: 4843504 (1989-06-01), Barnes

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