Disk drive with an air flow passage within enclosure to...

Details Disk drive with an air flow passage within enclosure to... Disk drive with an air flow passage within enclosure to...

2005-12-14

2009-08-18

Heinz, A. J. (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

C360S254700

Reexamination Certificate

active

07576945

ABSTRACT:
Turbulence of an airflow returning to a magnetic disk along the base sidewall of a HDD is reduced to thereby reduce flutter of an actuator or a magnetic disk caused by the airflow, thus improving read/write performance. An HDD according to an embodiment of the present invention comprises a base, a top cover fixed to the base, a motor for rotating a magnetic disk, an actuator for moving a head which gets access to the magnetic disk, a ramp slope portion on which an extreme end is ridden up, a ramp support portion for supporting the ramp slope portion, and a stage for holding the ramp support portion. A flow passage is formed which runs toward the magnetic disk through an area near the ramp support portion on the side of the top cover. An inclined portion running toward the bottom of the base is formed on the end of the flow passage on the side of the magnetic disk.

REFERENCES:
patent: 5204793 (1993-04-01), Plonczak
patent: 6369977 (2002-04-01), Imai et al.
patent: 2001/0043441 (2001-11-01), Kishi et al.
patent: 2002/0071203 (2002-06-01), Nakamoto et al.
patent: 2003/0058575 (2003-03-01), Imai et al.
patent: 2002-133827 (2002-05-01), None

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