Magnetic recording/reproducing device using composite head

Details Magnetic recording/reproducing device using composite head Magnetic recording/reproducing device using composite head

1997-05-29

2000-07-11

Tran, Thang V.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of biasing or erasing

360 55, 360113, 360 75, G11B 500

Patent

active

06088181&

ABSTRACT:
A magnetic recording/reproducing device comprises a recording head for magnetically recording a signal on a magnetic recording medium along a predetermined track, and a reproducing head member including a spin valve typed magnetoresistive element and bias magnetic applying means, associated with the spin valve typed magnetoresistive element, for applying a bias magnetic field to the spin valve typed magnetoresistive element, the reproducing head member for changing a sensitivity distribution in a track width direction based on a distance between the reproducing head and the recording head, and an angle difference between the direction of the reproducing head and the extending direction of the track.

REFERENCES:
patent: 5719729 (1998-02-01), Koyama et al.
patent: 5793550 (1998-08-01), Nepela et al.
Ottesen, Hal H., "Future Servo Technologies for Hard Disk Drives", Journal of The Magnetics Society of Japan vol. 18, Supplement, No. S1, pp. 31-36, 1994.

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