Magnetoresistive read head assembly for servo operation

Details Magnetoresistive read head assembly for servo operation Magnetoresistive read head assembly for servo operation

1975-08-14

1977-03-15

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

324 46, 360 75, G11B 530, G11B 522, G11B 2110

Patent

active

040127818

ABSTRACT:
A transducer for servoing on data or separate servo information is fabricated with two adjacent magnetoresistive (MR) elements stagger connected such that each MR element senses one-half of the data magnetic transition track or separate coded servo tracks. Each MR element is magnetostatically biased by a soft magnetic film formed as a portion of its adjacent MR element material.

REFERENCES:
patent: 3493694 (1970-02-01), Hunt
patent: 3860965 (1975-01-01), Voegeli
patent: 3864751 (1975-02-01), Beaulieu et al.
patent: 3879760 (1975-04-01), Lazzari
patent: 3918091 (1975-11-01), Walraven et al.

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