Magnetic head

Details Magnetic head Magnetic head

1982-11-30

1986-03-25

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Core

148 3155, 360127, 420435, G11B 5127

Patent

active

045787280

ABSTRACT:
The invention provides a magnetic head having a core which includes a thin amorphous alloy film having a composition of Co.sub.a M.sub.b T.sub.c X.sub.d, for 70.ltoreq.a.ltoreq.95, 0.ltoreq.b.ltoreq.20, 3.ltoreq.c.ltoreq.20, 0.ltoreq.d<10, and a+b+c+d=100, where M is at least one metal selected from the group consisting of Fe, Ni, Cr, Mo, W and Mn, T is at least one metal selected from the group consisting of Ti, Zr, Hf, Nb and Ta, and X is at least one material selected from the group consisting of Si, B, C, Al and Ge; and a substrate having excellent resistance to wear and having the thin amorphous alloy film on a major surface thereof, wherein the thin amorphous alloy film is located at least in a portion adjacent a magnetic gap portion of the core which slidably contacts a magnetic recording medium is made of an amorphous alloy.

REFERENCES:
patent: 3795954 (1974-03-01), Alex
patent: 4187128 (1980-02-01), Billings
patent: 4246620 (1981-01-01), Kaminaka
patent: 4298899 (1981-11-01), Argumedo
patent: 4306908 (1981-12-01), Takayama
patent: 4416709 (1983-11-01), Ohya

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