Amorphous alloy for magnetic head core

Details Amorphous alloy for magnetic head core Amorphous alloy for magnetic head core

1981-03-27

1983-12-13

Sheehan, John P.

Metal treatment

Stock

Amorphous, i.e., glassy

148 3155, C22C 3300

Patent

active

044203489

ABSTRACT:
Amorphous alloy for magnetic head core represented by the general formula, (Fe.sub.x Co.sub.1-x).sub.a Cr.sub.b Si.sub.c -B.sub.1-a-b-c, where the value of x is 0.04-0.07, the value of a is 0.73-0.75, the value of b is 0.005-0.03, and the value of c is 0.02-0.06. The present amorphous alloy has high permeability, high saturation flux density, low magnetostriction, and low magnetic after-effect at the same time, and has distinguished characteristics for magnetic head core.

REFERENCES:
patent: 4052201 (1977-10-01), Polk et al.
patent: 4187128 (1980-02-01), Billings et al.
patent: 4231816 (1980-11-01), Cuomo et al.

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