Magnetic alloy for magnetic recording-reproducing head

Details Magnetic alloy for magnetic recording-reproducing head Magnetic alloy for magnetic recording-reproducing head

1984-06-25

1986-02-25

Sheehan, John P.

Metal treatment

Compositions

Heat treating

420441, 420443, 420444, 420451, 420452, 420455, 420456, 420458, 420459, 420460, C04B 3500

Patent

active

045727503

ABSTRACT:
The disclosed magnetic alloy essentially consists of 60-86% of nickel (Ni), .5-14% of niobium (Nb), 0.001-5% in sum of at least one element selected from the group consisting of gold, silver, platinum group elements, gallium, indium, thallium, strontium, and barium, and the balance of iron with a trace of impurities, which alloy renders magnetic properties suitable for recording-and-reproducing head upon specific heat treatment.

REFERENCES:
patent: 3350199 (1967-10-01), Smith et al.
patent: 3743550 (1973-07-01), Masumoto et al.
patent: 3837933 (1974-09-01), Masumoto et al.

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