Magnetic head having MnO/NiO-based nonmagnetic substrate

Details Magnetic head having MnO/NiO-based nonmagnetic substrate Magnetic head having MnO/NiO-based nonmagnetic substrate

1986-07-21

1989-02-14

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Core

360103, G11B 512, G11B 1560

Patent

active

048050598

ABSTRACT:
A magnetic head having a magnetic alloy film superposed on a nonmagnetic substrate. The nonmagnetic substrate material contains 67 to about 89.9 mol % of MnO, 10 to 33 mol % of NiO, and at least 0.1 mol % but not more than 10 mol % of a material selected from the group of CaO, ZrO.sub.2, V.sub.2 O.sub.5, Y.sub.2 O.sub.3, and Cu and has a rock salt-type crystalline structure.

REFERENCES:
patent: 4264939 (1981-04-01), Takii et al.
patent: 4402787 (1983-09-01), Matsuzawa et al.
patent: 4506308 (1985-03-01), Furuichi et al.
patent: 4521323 (1985-06-01), Hirota et al.
patent: 4540638 (1985-09-01), Sakakihara et al.
patent: 4598052 (1986-07-01), Wada et al.

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