Flexible micro disk

Details Flexible micro disk Flexible micro disk

1986-06-27

1987-08-11

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

360133, G11B 582, G11B 2300

Patent

active

046866663

ABSTRACT:
A micro disk for data storage has a media portion of flat circular shape with a central opening therein. A hub portion has a pilot protrusion that interfits with the central opening to mechanically lock the media portion against rotation on the hub portion. The media portion is supported adjacent the central opening to maximize the unsupported radial dimension from the media support to the inner recording track. Thus good flexiblity at the inner recording track of the media portion compensates for variations of the spindle-to-head dimension in disk drive systems and makes the disk suitable for double sided, high density, data storage applications. A modified hub portion is centered on a drive spindle by a leaf spring within the hub portion.

REFERENCES:
patent: 4149207 (1979-04-01), Porter et al.
patent: 4216511 (1980-08-01), Bilek
patent: 4503530 (1985-03-01), Hinlein et al.
patent: 4628388 (1986-12-01), Kawabe
patent: 4631620 (1986-12-01), Oishi et al.

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