Metal working – Method of mechanical manufacture – Electrical device making
Patent
1984-01-03
1986-05-13
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Electrical device making
29603, 29607, 310152, 1791155R, H04R 3100
Patent
active
045877149
ABSTRACT:
A disc drive arrangement including RW head actuator driven by an improved voice coil motor, having ceramic back-magnets which are subdivided to give improved magnetic characteristics and operation (increased working flux and an increase in efficiency and effective power acceleration for given current--e.g., thus decreasing "access time").
REFERENCES:
patent: 3028660 (1962-04-01), Stratton et al.
patent: 3417268 (1968-12-01), Lace
patent: 3521092 (1970-07-01), Kalthoff
patent: 4395598 (1983-07-01), Lesage
Cass Nathan
Eley Timothy V.
Goldberg Howard N.
McCormack John J.
Memorex Corporation
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