Dynamic magnetic information storage or retrieval – Head – Plural gaps
Patent
1997-03-14
1999-07-06
Heinz, A. J.
Dynamic magnetic information storage or retrieval
Head
Plural gaps
G11B 529
Patent
active
059204478
ABSTRACT:
A magnetic multi-head unit includes: a specific magnetic head formed so that a pair of magnetic yokes face each other on the same plane via a magnetic gap inclined by a predetermined azimuth angle; and a magnetic head which is adjacent to the specific magnetic head and which is formed so that a pair of magnetic yokes face each other on a plane different from the plane of the specific magnetic head via a magnetic gap inclined by the azimuth angle. The specific magnetic head and the adjacent magnetic head are laminated so as to form a plurality of layers while being shifted from each other in directions in which tracks on a magnetic disk extend. A magnetic disk unit includes: a magnetic disk, on which a plurality of information recording tracks are formed so as to extend in peripheral directions and which is rotated; and a magnetic multi-head including a plurality of transducers as heads for simultaneously writing and/or reading magnetic information on the plurality of information recording tracks of the magnetic disk every predetermined group of the tracks. The plurality of transducers are positioned as one with respect to the predetermined group of the tracks.
REFERENCES:
patent: 4012781 (1977-03-01), Lin
patent: 4549232 (1985-10-01), Axmear et al.
patent: 5010430 (1991-04-01), Yamada
patent: 5016342 (1991-05-01), Pisharody
patent: 5452165 (1995-09-01), Chen
Funayama Tomomi
Kobayashi Tadahiko
Sakata Hiromi
Takekado Shigeru
Tanaka Yoichiro
Heinz A. J.
Kabushiki Kaisha Toshiba
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