Dynamic magnetic information storage or retrieval – Head – Hall effect
Patent
1996-12-05
2000-08-08
Miller, Brian E.
Dynamic magnetic information storage or retrieval
Head
Hall effect
G11B 539
Patent
active
061010677
ABSTRACT:
A thin film magnetic head has a main magnetic pole piece, a magnetoresistance effect element, a bias layer giving a bias magnetic field to the magnetoresistance effect element, an auxiliary magnetic pole piece and an insulating layer leaving a space between the main magnetic pole piece and the auxiliary magnetic pole piece, the main magnetic pole piece is almost disposed in parallel with the magnetoresistance effect element, a distance between the main magnetic pole piece and the magnetoresistance effect element is selected from 1 nm to 1 .mu.m.
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patent: 5315469 (1994-05-01), McNeil
Wakamatsu, "Effects of Spacing on Recording Characteristics of a Perpendicular Double-Layer Disk ", Journal of The Magnetics Society of Japan, vol. 15 (1991), pp. 875-880.
Suyama et al, "Thin Film Mr Head for High Density Rigid Disk Drive", IEEE Transactions on Magnetics, line 24, No. 6, pp. 2612-2614, Nov./1988.
Imakoshi, "Yoke Type MR head", MR84-44, pp. 19-24.
Matsuzono Atsushi
Takino Hiroshi
Miller Brian E.
Sony Corporation
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