Dynamic magnetic information storage or retrieval – Record medium – Disk
Patent
1997-06-20
2000-09-12
Klimowicz, William
Dynamic magnetic information storage or retrieval
Record medium
Disk
369282, G11B 370, G11B 582
Patent
active
061186333
ABSTRACT:
A plastic disc for storing digital information is disclosed. The disc comprises a plastic platter that is integrally formed concentrically around a metal portion. The disc may have an inner plastic portion located on an inside rim of the metal portion. Preferably, the metal portion has a flange on its rim surface to enhance bonding with the plastic. In another embodiment, the disc may be formed entirely of plastic, and include a clip for attaching the disk to a spindle motor. A disc drive that cooperates with the disc devices, and a method of forming discs is also disclosed.
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"Low Profile Friction Hub", Research Disclosure, Dec. 1989, No. 308, p. 958 .
Fahey James D.
Krieger George T.
Iomega Corporation
Klimowicz William
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