Dynamic magnetic information storage or retrieval – Head
Patent
1976-12-16
1978-05-23
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
Head
360125, G11B 530, G11B 512
Patent
active
040914291
ABSTRACT:
The invention relates to a device for magnetic recording which is provided with a layer of a magnetizable material which is provided on a support and has an easy axis of magnetization which is at least substantially perpendicular to the plane of the layer, which layer is suitable to support magnetic domains having a direction of magnetization which is opposite to the direction of magnetization of the remainder of the layer, the device also comprising a device for producing a magnetization field having a field direction perpendicular to the plane of the layer, said layer being destined to cooperate with a recording medium which is relatively movable with respect to the layer.
REFERENCES:
patent: 3793639 (1974-02-01), Enz
patent: 3793640 (1974-02-01), Potgiesser
De Jonge Frederik Ate
Dorleijn Jan Willem Frederik
Druyvesteyn Willem Frederik
Koel Gerrit Jan
Canney Vincent P.
Smith Robert S.
Trifari Frank R.
U.S. Philips Corporation
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