Magnetoresistive magnetic head

Details Magnetoresistive magnetic head Magnetoresistive magnetic head

1976-10-04

1977-10-04

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

338 32R, 324 46, G11B 530, H01C 716

Patent

active

040527484

ABSTRACT:
A magnetic head for detecting information-representing magnetic fields on a magnetic recording medium and comprising an elongate magneto-resistive element of a magnetically anisotropic material which at its ends has contacts for connection to a current or voltage source. In order to linearize the playback characteristic of the element, the easy axis of magnetization coincides with the longitudinal direction of the element and means are present which force the current to travel at an angle of minimum 15.degree. and maximum 75.degree. with the longitudinal direction. These means consist in particular of equipotential strips provided on the element.

REFERENCES:
patent: 3493694 (1970-02-01), Hunt
patent: 3814863 (1974-06-01), O'Day et al.
patent: 3848217 (1974-11-01), Lazzari
patent: 3860965 (1975-01-01), Voegeli
patent: 3879760 (1975-04-01), Lazzari
IBM Technical Disclosure Bulletin, vol. 17, No. 4, Sept. 1974, pp. 967-968, Magnetorestive Read Heads, Bates et al.

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