Disk drive unit having gas-liquid interface between fixed body and rotor
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United States of America Patent
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Apr 28, 2015
Grant Date -
Sep 11, 2014
app pub date -
Mar 4, 2014
filing date -
Mar 8, 2013
priority date (Note) -
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Abstract
A disk drive unit includes a rotor configured to rotate a disk accommodated within a disk accommodating space and set thereon, a fixed body configured to rotatably support the rotor, a fluid dynamic pressure generating part provided between the fixed body and the rotor, and a plurality of ring-shaped members, provided in an overlapping manner along a direction of a rotational axis of the rotor within a space that communicates the disk accommodating space and a gas-liquid interface of the lubricant, and covering a gap between the rotor and the fixed body.
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