Positioning mechanism for a head of a magnetic disk drive

Details Positioning mechanism for a head of a magnetic disk drive Positioning mechanism for a head of a magnetic disk drive

1989-10-31

1991-08-13

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 9702, G11B 2116, G11B 3314

Patent

active

050400860

ABSTRACT:
A magnetic disc apparatus, wherein head holders for supporting a data head are fixed to a carriage by a plurality of fixing members, and the respective linear expansion coefficients of head holders, carriage and a plurality of fixing members are equal.
In addition, a magnetic disc apparatus, wherein head holders for supporting a data head are fixed to a carriage by a plurality of fixing members, and the respective stresses generated therein, in the range of using temperature of the head holders, carriage and fixing members, are within respective stress-strain proportional limits or less than respective proof stresses.

REFERENCES:
patent: 4387409 (1983-06-01), Otavsky et al.
patent: 4549239 (1985-10-01), Kawajiri
patent: 4689703 (1987-08-01), Olbrich et al.
Japanese Patent Application Laid-Open No. 63-866, Laid Open Date: Jan. 5, 1988.
Japanese Patent Application Laid-Open No. 62-57178, Laid Open Date: Mar. 12, 1987.
"Finding the Stress Hidden in Parts" Machine Design, Nov. 20, 1968, pp. 124-131.

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