Disk drive motor and disk drive storage device incorporating...

Details Disk drive motor and disk drive storage device incorporating... Disk drive motor and disk drive storage device incorporating...

2005-09-27

2005-09-27

Castro, Angel (Department: 2653)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

Reexamination Certificate

active

06950276

ABSTRACT:
A disk drive comprising a rotor, to which a disk and a plurality of magnets are fixed, and an open-slot type integrally molded stator disposed about an outer periphery of the magnets, and wherein the stator comprises coils formed by etching metallic films on teeth. The invention may also be applied to a closed-slot type stator. With either type, it is possible to produce an opening that is equal to or smaller than the thickness of a coil wire and cogging torque is minimized.

REFERENCES:
patent: 3914859 (1975-10-01), Pierson
patent: 4719377 (1988-01-01), Horie et al.
patent: 5710466 (1998-01-01), Allen et al.
patent: 6208485 (2001-03-01), Chainer et al.
patent: 6384502 (2002-05-01), Masuzawa et al.
patent: 6430001 (2002-08-01), Chainer et al.
patent: 06-054468 (1994-02-01), None

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