Ni-Fe magnetic head including 1.5-2% Ta

Details Ni-Fe magnetic head including 1.5-2% Ta Ni-Fe magnetic head including 1.5-2% Ta

1983-12-19

1986-08-26

Rutledge, L. Dewayne

Alloys or metallic compositions

Nickel base

Iron or manganese containing

148 3155, C22C 1903

Patent

active

046082280

ABSTRACT:
A magnetic head having excellent abrasion resistance and improved working life by using a core made of permalloy (Fe-Ni) comprising a ternary alloy, in which the tantalum content in the alloy is within a range from about 1.5% to about 3% by weight, or a quaternary or pentanary alloy, in which niobium or niobium and titanium is further contained in a slight amount.

REFERENCES:
patent: 3785880 (1974-01-01), Masumoto et al.
patent: 3794530 (1974-02-01), Masumoto et al.
patent: 3837933 (1974-09-01), Masumoto et al.
patent: 4007006 (1977-02-01), Iijima et al.
patent: 4246620 (1981-01-01), Kaminaka et al.

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