Dynamic magnetic information storage or retrieval – Head – Core
Patent
1984-06-11
1987-01-20
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Head
Core
360122, G11B 512, G11B 522
Patent
active
046383913
ABSTRACT:
A vertical recording magnetic head of a main pole magnetizing type is made of a magnetic core having a central leg and two side legs, while an electromagnetic coil is supported around the central leg for exciting the same. A non-magnetic member is secured to the magnetic core so as to cover the central leg and the two side legs, and a magnetic thin layer, which is operable as the main pole, is provided in the non-magnetic member at a position overlying the central leg of the magnetic core such that the thin layer extends vertically to a recording medium moved in contact with the non-magnetic member.
REFERENCES:
patent: 4383284 (1983-05-01), Isshiki
patent: 4390916 (1983-06-01), Chow et al.
Hatanai Takashi
Mukasa Koichi
Nakashima Keishi
Alps Electric Co. ,Ltd.
Shoup Guy W.
Tupper Robert S.
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