Disk device

Details Disk device Disk device

2007-03-27

2007-03-27

Tupper, Robert S. (Department: 2652)

Dynamic magnetic information storage or retrieval

Head mounting

For shifting head between tracks

C360S097010

Reexamination Certificate

active

10625542

ABSTRACT:
A disk device including a frame body having an outer wall, a recording disk located for rotation inside the frame body, a recording and reproducing head, and an actuator for driving the head for recording and reproducing information on and from the disk. The actuator includes a voice coil motor including a pair of yokes opposed to each other with a predetermined distance therebetween, a movable coil wound to be movable between the yokes, and a permanent magnet attached to at least one of the yokes to add a magnetic field to the movable coil, wherein a portion of the outer wall of the frame body includes a first one of the yokes, and the frame body includes an open side opposite a side where the disk is located and an inside portion including screwing margins and screws for attaching the first yoke to the open side.

REFERENCES:
patent: 5502604 (1996-03-01), Furay
patent: 5768110 (1998-06-01), Frommer et al.
patent: 6125016 (2000-09-01), Lin
patent: 6304421 (2001-10-01), Brown
patent: 4-78072 (1992-03-01), None
patent: 9-282860 (1997-10-01), None
patent: 10-326483 (1998-12-01), None

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