Support for magnetic recording disk and its production process

Details Support for magnetic recording disk and its production process Support for magnetic recording disk and its production process

1985-01-30

1987-10-06

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

Disk

427128, 428694, G11B 582, G11B 570

Patent

active

046987169

ABSTRACT:
The support for a magnetic recording disc according to the invention comprises a metal disk covered by an organic coating and, on the latter, a thin, hard coating of a material based on hydrous silicate or silica.

REFERENCES:
patent: 3290692 (1966-12-01), Jacoby
patent: 3821811 (1974-06-01), Klievoneit
patent: 4560617 (1985-12-01), Nishimatsu et al.

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