Metallic iron particles for magnetic recording

Details Metallic iron particles for magnetic recording Metallic iron particles for magnetic recording

1979-07-30

1981-03-17

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05BA, 75108, 148 315, 148 3155, 148105, C22B 512

Patent

active

042564840

ABSTRACT:
In the process for preparing a magnetically stable, powder comprising the steps of reducing an iron oxide or iron oxide hydrate with a gaseous reduction agent and stabilizing the metallic powder thus produced, the improvement which comprises enhancing its reduction by coating said iron oxide or iron oxide hydrate with an antimony compound at a level of up to about 7 weight percent antimony based on the weight of the iron oxide prior to said reduction.

REFERENCES:
patent: 3607220 (1971-09-01), van der Giessen et al.
patent: 3623859 (1971-11-01), Aldridge
patent: 3627509 (1971-12-01), van der Giessen et al.
patent: 3663318 (1972-05-01), Little et al.
patent: 3740266 (1973-06-01), Akashi et al.
patent: 3837839 (1974-09-01), Rau et al.
patent: 4020236 (1977-04-01), Aonuma et al.
patent: 4056410 (1977-11-01), Corradi et al.
patent: 4063000 (1977-12-01), Aonuma et al.
patent: 4067755 (1978-01-01), Umeki et al.
patent: 4069073 (1978-01-01), Todokoro et al.

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