Particles for magnetic recording

Details Particles for magnetic recording Particles for magnetic recording

1980-02-13

1981-05-19

Pianalto, Bernard D.

Coating processes

Magnetic base or coating

B05D 512

Patent

active

042685400

ABSTRACT:
Improved particles for magnetic recording are provided by coating gamma ferric oxide with a mixture of barium, strontium, lead or calcium and a trivalent iron oxide. The particles have enhanced coercivity and the coercivity is relatively unaffected by elevated temperatures.

REFERENCES:
patent: 4125474 (1978-11-01), Dezawa et al.

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