Plate-like barium ferrite particles for magnetic recording and p

Details Plate-like barium ferrite particles for magnetic recording and p Plate-like barium ferrite particles for magnetic recording and p

1984-03-14

1986-04-29

Cooper, Jack

Compositions

Magnetic

Iron-oxygen compound containing

252 6256, 252 6263, C04B 3526

Patent

active

045855684

ABSTRACT:
Disclosed herein are plate-like barium ferrite particles having BET specific surface area of 20 to 70 m.sup.2 /g and average particle diameter of 0.05 to 0.3 .mu.m, and showing a magnetization of higher than 30 emu/g in a field of 10 kOe and coercive force of 300 to 1,000 Oe, represented by the formula BaCo.sub.x Ti.sub.x Fe.sub.12-2x O.sub.19 wherein x is 0.1 to 0.5, and a process for producing the same.

REFERENCES:
patent: 4414124 (1983-11-01), Endo et al.

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