Magnetic recording apparatus having medium driving motor with re

Details Magnetic recording apparatus having medium driving motor with re Magnetic recording apparatus having medium driving motor with re

1998-04-29

2000-06-20

Korzuch, William R.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

369266, 360 9904, G11B 1702

Patent

active

060784679

ABSTRACT:
A radial gap type medium driving motor for rotating a recording medium has first coil units having first windings of a first number of layers and second coil units having second windings of a second number of layers that is larger than the first number of layers. The first and second coil units are formed by winding wire on tooth-like poles of tooth-like pole blocks of a stator. A frame provided with a bearing portion for rotatably supporting the medium driving motor has a first accommodating portion for accommodating the first coil units and second accommodating portions for accommodating the second coil units.

REFERENCES:
patent: 5124863 (1992-06-01), Koizumi et al.
patent: 5859486 (1999-01-01), Nakahara et al.
patent: 5870248 (1999-02-01), Akutsu et al.
patent: 5930076 (1999-07-01), Morita

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