Data storage device with a low profile spindle motor

Details Data storage device with a low profile spindle motor Data storage device with a low profile spindle motor

2005-11-01

2005-11-01

Evans, Jefferson (Department: 2652)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

C360S099080

Reexamination Certificate

active

06961210

ABSTRACT:
A data storage device (10) includes a stator (20), a rotor (50) rotatable about the stator via a pair of bearings (26), a cover (70), and two data storage disks (80). The stator includes a baseplate (22), and radially extending stator laminations (32) under the baseplate. The bearings are fixed in top and bottom ends of the baseplate. The rotor includes a spindle shaft (52), a hub (54), and a drive member (56). The shaft is fixed in the bearings, and the hub is fixed to a top end of the shaft. The drive member is fixed to a bottom end of the shaft, at a side of the baseplate opposite from the hub. The cover is fixed to a bottom of the baseplate, surrounding the drive member. The cover helps prevent contaminants such as dust from entering a clean chamber of the data storage device that surrounds the shaft.

REFERENCES:
patent: 5734530 (1998-03-01), Kim
patent: RE36016 (1998-12-01), Cap et al.
patent: 6018442 (2000-01-01), Verbunt et al.
patent: 6271988 (2001-08-01), Papst
patent: 6316853 (2001-11-01), MacLeod
patent: 6344946 (2002-02-01), Papst
patent: 6373154 (2002-04-01), Sohn et al.
patent: 2001/0022869 (2001-09-01), Tanaka et al.

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