Nonmagnetic particles to improve properties of magnetic recordin

Details Nonmagnetic particles to improve properties of magnetic recordin Nonmagnetic particles to improve properties of magnetic recordin

1983-06-09

1986-02-04

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of inorganic material

428702, 428900, 360134, G11B 562, G11B 578

Patent

active

045686190

ABSTRACT:
Ferromagnetic recording elements with improved physical properties have from 20 to 50% of the volume of ferromagnetic particles replaced by nonmagnetic particles of a size smaller than the thickness of the magnetic layer.

REFERENCES:
patent: 4363850 (1982-12-01), Yasai et al.
patent: 4364998 (1982-12-01), Andoh et al.
patent: 4399189 (1983-08-01), Nakashima et al.
patent: 4405481 (1983-09-01), Yamada et al.
patent: 4414270 (1983-11-01), Migoshi et al.
patent: 4420408 (1983-12-01), Kajimoto et al.
patent: 4420531 (1983-12-01), Tokuda
patent: 4420532 (1983-12-01), Yamaguchi et al.
patent: 4425400 (1984-01-01), Yamaguchi et al.

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