New magnetic metallic particles using rare-earth elements

Details New magnetic metallic particles using rare-earth elements New magnetic metallic particles using rare-earth elements

1988-05-11

1990-11-13

Sheehan, John P.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite powder

148301, 428403, 428329, 428694, B22F 102

Patent

active

049701240

ABSTRACT:
Ferromagnetic metallic particles having incorporated into the surface a rare earth element are employed to make magnetic recording elements. These particles are obtained from non-magnetic particle precursors by treating with a rare earth salt in an aqueous solution.

REFERENCES:
patent: 4321302 (1982-03-01), Umeki et al.
patent: 4321303 (1982-03-01), Morita et al.
patent: 4376714 (1983-03-01), Pingaud
patent: 4390361 (1983-06-01), Sueyuoshi et al.
patent: 4456475 (1984-01-01), Hirai
patent: 4473619 (1984-09-01), Porco

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