Data storage device with a low profile spindle motor
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United States of America Patent
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Nov 1, 2005
Grant Date -
Sep 30, 2004
app pub date -
Mar 28, 2003
filing date -
Mar 28, 2003
priority date (Note) -
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status (Latency Note)
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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.
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