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US 2003/0016616 A1Published application
Disk drive
AssigneeHitachi-LG Data Storage, Inc.
InventorsHajime Nishimura, Yoshihiro Fukagawa, Seiji Inaba
Life of this patent
Estimating the term…
Abstract
A stepping motor (5) for rotating a screw (14) for driving a pickup (3) for axial movement is disposed near the inner circumference of a disk (100) with its axis aligned with that of the screw (14). The stepping motor (5) has a thickness of 7 mm or below.
Claims5
A disk drive comprising:
- a pickup capable of optically recording information on or optically reproducing recorded information from a disk;
- a pickup drive motor for driving the pickup for movement;
- and
- a disk drive motor for driving the disk for rotation;
- wherein the pickup is moved by a moving means including a screw, the pickup drive motor is a stepping motor, and the pickup drive motor is disposed at a position near the inner circumference of the disk.
2 more elements
A disk drive of about 12.7 mm in thickness comprising:
- a pickup capable of optically recording information on or optically reproducing recorded information from a disk;
- a pickup drive motor for driving the pickup for movement;
- and
- a disk drive motor for driving the disk for rotation;
- wherein the pickup drive motor is a stepping motor of about 7 mm or below in thickness, the pickup drive motor drives a screw for moving the pickup, extended coaxially with an output shaft included in the pickup drive motor for rotation, and the pickup drive motor is disposed at a position near the inner circumference of the disk.
2 more elements
Dependencies are inferred from the claim text.