Magnetic recording medium and non-aqueous suspension of inorgani

Details Magnetic recording medium and non-aqueous suspension of inorgani Magnetic recording medium and non-aqueous suspension of inorgani

1987-10-30

1990-01-23

Thibodeau, Paul J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428694, 428900, G11B 570

Patent

active

048957631

ABSTRACT:
When non-magnetic solid particles, the surface of which are treated with an organosilazane, are used in the formation of a magnetic recording medium, they are well dispersed in a binder resin, so that a magnetic layer comprising such solid particles has improved electromagnetic conversion characteristics, traveling stability and durability, and a back coat layer comprising such solid particles has improved abrasion resistance and surface evenness.

REFERENCES:
patent: 2742378 (1956-08-01), Te Grotenhaus
patent: 3957683 (1976-05-01), Hittmair
patent: 4043969 (1977-08-01), Sporck
patent: 4076890 (1978-02-01), Yamada
patent: 4116919 (1978-09-01), Elias
patent: 4475946 (1984-10-01), Matsufuji
patent: 4578314 (1986-03-01), Ohta
patent: 4590127 (1986-05-01), Hashimoto
patent: 4686247 (1977-08-01), Yosida
patent: 4740423 (1988-04-01), Kadokura
patent: 4740538 (1988-04-01), Sekutowski

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