Non-magnetic magnetoresistive reading head using a Corbino struc

Details Non-magnetic magnetoresistive reading head using a Corbino struc Non-magnetic magnetoresistive reading head using a Corbino struc

1997-03-11

1997-12-16

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 5127

Patent

active

056992157

ABSTRACT:
A non-magnetic magnetoresistive head for reading a magnetic pattern stored as domains in tracks on a storage device uses as the sensor a wafer of a high electron mobility non-magnetic semiconductor, such as indium antimonide or mercury-cadmium telluride, which includes an electrode configuration that includes an inner stripe electrode and an outer rectangular electrode surrounding the inner electrode. The wafer is supported so that the plane of the wafer is parallel to the disk and perpendicular to the magnetic field being sensed.

REFERENCES:
patent: 3617975 (1971-11-01), Weider
David A. Thompson et al, "Thin Film Magnetoresistors in Memory, Storage, and Related Applications," IEEE Trans. on Magnetics, vol. MAG-11, No. 4, Jul. 1975.
M. Isai, et al, "Preparation and crystal properties of thin InSb films for highly sensitive magnetoresistance elements," J. Mater. Res, vol. 1, No. 4, Jul./Aug., 1986, pp. 547-551.

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