Dynamic magnetic information storage or retrieval – Head – Hall effect
Patent
1994-03-31
1995-07-25
Levy, Stuart S.
Dynamic magnetic information storage or retrieval
Head
Hall effect
360126, 360125, G11B 5147, G11B 5127
Patent
active
054367794
ABSTRACT:
A thin film read-write magnetic head includes first and second adjacent magnetic layers forming a magnetic circuit path with a transducing gap, a flux sensing element disposed in the plane of one of the magnetic layers, at least one magnetic shunt valve member disposed around the flux sensing element, the valve member being disposed in the same plane as the one of the magnetic layers in which the sensing element is disposed. A conductor is electrically connected to the flux sensing member and magnetically coupled to the shunt valve member to apply a magnetic field to the shunt valve member to magnetically control the shunt valve member.
REFERENCES:
patent: 4819107 (1989-04-01), Bolt
patent: 4843507 (1989-06-01), Schewe et al.
patent: 5095397 (1992-03-01), Nagata et al.
patent: 5097371 (1992-03-01), Somers
patent: 5111352 (1992-05-01), Das et al.
patent: 5225141 (1993-10-01), Valstun et al.
Kallman Nathan N.
Korzuch William R.
Levy Stuart S.
Read-Rite Corporation
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