Low profile hard disk apparatus

Details Low profile hard disk apparatus Low profile hard disk apparatus

1992-07-28

1994-07-26

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 1702

Patent

active

053330790

ABSTRACT:
An annular recess is formed in a base which constitutes a disk chamber, and an armature constituting a spindle motor for driving a hard disk and composed of a stator core and a stator coil and a field device composed of a rotor yoke and a rotor magnet are substantially accommodated in the annular recess. As a result, the height of a portion of a hard disk apparatus which constitutes a radial directional gap type spindle motor can be minimized and therefore the overall height of the apparatus can be minimized. Hence, the thickness and the size of a computer apparatus or the like which includes the hard disk apparatus can be reduced.

REFERENCES:
patent: 4922406 (1990-05-01), Schuh
patent: 4930029 (1990-05-01), Morita
patent: 4943748 (1990-07-01), Shiozawa
patent: 5025335 (1991-07-01), Stefansky
patent: 5029026 (1991-06-01), Stefansky et al.
patent: 5274288 (1993-12-01), Stefansky

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