DISK DRIVE UNIT
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United States of America Patent
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N/A
Issued Date -
Aug 14, 2014
app pub date -
Jan 17, 2014
filing date -
Feb 13, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A disk drive unit includes a base, a hub rotatably supported on the base and including a setting part on which a recording disk is to be set, and a bearing unit having one end fixed to the base and another end holding the hub. The hub includes a cut surface formed by cutting a nonferrous metal or a steel material, and the cut surface includes a surface treatment layer formed thereon and preventing peeling of micro residue adhered on the cut surface.
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