Magnetic record member

Details Magnetic record member Magnetic record member

1977-12-15

1979-05-01

Silverman, Stanley S.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428 64, 428 65, 428447, 428450, 428538, 428539, 428622, 428624, 428632, 428400, 428428, 360135, 360136, G11B 576, G11B 582

Patent

active

041524870

ABSTRACT:
A magnetic record member for use in magnetic recording devices is disclosed. The record member comprises a non-magnetic alloy disk polished to a mirror surface, a non-magnetic alloy layer formed on the disk, a magnetic thin film medium formed on the surface of the alloy layer, and a protective polysilicate film layer formed on the alloy layer. In certain embodiments, an oriented lubricant layer is formed on the polysilicate film layer.

REFERENCES:
patent: 3466156 (1969-09-01), Peters
patent: 3476595 (1969-11-01), Nacci
patent: 4069360 (1978-01-01), Yanagisawa

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