Vertical magnetic head comprising means for converging magnetic

Details Vertical magnetic head comprising means for converging magnetic Vertical magnetic head comprising means for converging magnetic

1987-04-30

1988-02-16

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Core

360122, 360123, G11B 5147, G11B 5187, G11B 517

Patent

active

047259094

ABSTRACT:
A vertical magnetic head for recording information on a recording medium and reproducing the recorded information from the recording medium with high density employing a main magnetic pole and auxiliary magnetic pole(s). The head comprises a main magnetic pole and auxiliary magnetic pole(s) attached to the main magnetic pole and spaced apart therefrom in the direction generally perpendicular to the moving direction of the recording medium. The recording/reproduction is carried out under the condition that a plane including said both magnetic poles is perpendicular to the moving direction of the recording medium. Further, the auxiliary pole is tapered in the direction of the main magnet so that the narrowest part of the auxiliary pole is nearest the main magnetic pole.

REFERENCES:
patent: 4100584 (1978-07-01), Behr et al.
patent: 4441131 (1984-04-01), Osanai
patent: 4566050 (1986-01-01), Beam et al.

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