Cooling of head actuator of disk device

Details Cooling of head actuator of disk device Cooling of head actuator of disk device

2007-08-09

2010-12-14

Cao, Allen T (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

Reexamination Certificate

active

07852602

ABSTRACT:
A magnetic disk device includes a swing-type head actuator which is driven by a voice coil motor. The voice coil motor is cooled by an airflow generated when a magnetic disk accommodated in a disk accommodating unit of an enclosure is rotated by a spindle motor. An airflow dividing member provided on an inner wall or a base of an actuator accommodating unit divides the airflow generated by the rotation of the disk and passing along the inner wall. The divided airflow is introduced to a coil part of the voice coil motor, and cools the coil, without sacrificing the dust purge performance.

REFERENCES:
patent: 5956203 (1999-09-01), Schirle et al.
patent: 7554762 (2009-06-01), Suwa et al.
patent: 7616402 (2009-11-01), Suwa et al.
patent: 2004/0252405 (2004-12-01), Sun et al.
patent: 1-319198 (1989-12-01), None
patent: 11-110960 (1999-04-01), None

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