Information storage disc assembly

Details Information storage disc assembly Information storage disc assembly

1986-01-23

1987-04-28

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 99, 369261, G11B 2303

Patent

active

046618759

ABSTRACT:
An information storage disc assembly comprises at least one flexible information storage disc having a recording layer on one surface thereof, at least one rigid rotary support plate fixed coaxially to the information storage disc and having a diameter approximately equal to or greater than a diameter of said information storage disc, and one or a plurality of air introducing space or holes provided in a vicinity of centers of the information storage disc and the rotary support plate for introducing air between the other surface of the information storage disc and one surface of the rotary support plate during a high speed rotation of the information storage disc assembly so that an air cushion is generated between the information storage disc and the rotary support plate. The air cushion supports the information storage disc so that the information storage disc will not rotate during the high speed rotation.

REFERENCES:
patent: 4458277 (1984-07-01), Ragle et al.
patent: 4543619 (1985-09-01), Pastor
IBM/TDB vol. 17, No. 6, Nov. 1974, "Adjustable Flexible Disc Pack Assembly" by Herring et al.
IBM/TDB vol. 18, No. 8, Jan. 1975, "Controlled Spacing of Stacked Flexible Magnetic Discs" by Kendall.

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