Compact data storage unit having spiral groove bearings

Details Compact data storage unit having spiral groove bearings Compact data storage unit having spiral groove bearings

1997-08-28

2000-04-04

Korzuch, William R.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 1702

Patent

active

060468815

ABSTRACT:
A data storage unit comprises a housing, an information disc which is centrically rotatable about an axis of rotation, and an electrical drive unit for driving the information disc. A bearing supports the information disc and the rotor relative to the housing and a scanning unit is provided for cooperation with the information disc. The housing includes two plane-parallel main walls which are oriented transversely of the axis of rotation, which each have a contour at least substantially similar to that of the information disc, and which are interconnected by smaller side walls. The housing forms a cartridge accommodating the information disc, the electrical drive unit and the scanning unit. The information disc is disposed in a plane intersecting the electrical drive unit and the scanning unit is situated between the information disc and one of the main walls.

REFERENCES:
patent: 4633149 (1986-12-01), Welterlin
patent: 4717977 (1988-01-01), Brown
patent: 5001581 (1991-03-01), Elsasser et al.
patent: 5195002 (1993-03-01), Sakurai
patent: 5251082 (1993-10-01), Elliott et al.
patent: 5284391 (1994-02-01), Diel et al.
patent: 5328271 (1994-07-01), Titcomb
patent: 5488523 (1996-01-01), Seaver et al.

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