Ferromagnetic thin film and method for its manufacture

Details Ferromagnetic thin film and method for its manufacture Ferromagnetic thin film and method for its manufacture

1991-12-11

1993-09-14

Sheehan, John P.

Alloys or metallic compositions

Ferrous

Vanadium, tantalum or niobium containing

420128, 420125, 148306, C22C 3812

Patent

active

052446271

ABSTRACT:
A ferromagnetic thin film comprising Fe as a main component, at least one element of B, C, Al and Si and at least one transition metal element except noble metals Au, Ag, Ru, Pd, Os, Ir and Pt. This can accomplish a ferromagnetic thin film having a high saturation flux density, a high initial permeability and a low coercive force, and also having an excellent corrosion resistance and thermal resistance. The ferromagnetic thin film having the above high performances can be manufactured in a high yield by forming the above materials into a film in an atmosphere of a mixed gas of Ar and N.sub.2, and thereafter heating the film at a given temperature. It is possible to give a magnetic head suitable for high-density recording, that enables good recording and reproducing on and from a magnetic recording medium having a high coercive force.

REFERENCES:
patent: 4082579 (1978-04-01), Masumoto et al.
patent: 5084795 (1992-01-01), Sakakima et al.
patent: 5091024 (1992-02-01), DeBold et al.
patent: 5104464 (1992-04-01), Hasegawa

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