Heat transfer plate for an actuator assembly

Details Heat transfer plate for an actuator assembly Heat transfer plate for an actuator assembly

1998-07-30

2000-06-20

Renner, Craig A.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 9702, G11B 555, G11B 3314

Patent

active

060784776

ABSTRACT:
An improved actuator assembly for a disc drive, the actuator assembly having an E-block which at a proximal end supports an array of read/write heads in reading and writing data relationship to a plurality of spinning data discs which create air currents that convectively cool the E-block, the E-block supporting at a distal end an electrical coil which interacts with a magnet assembly of the disc drive to selectively position the actuator assembly in response to control voltages introduced to the electrical coil. A portion of the control voltage is dissipated as heat energy by the electrical coil, and a heat transfer plate is provided to thermally connect the electrical coil and the E-block to provide conductive heat transfer of the heat energy to the E-block which acts as a heat sink for the electrical coil.

REFERENCES:
patent: 4544973 (1985-10-01), Van De Bult
patent: 4780776 (1988-10-01), Dushkes
patent: 4967291 (1990-10-01), Touchton et al.
patent: 4988903 (1991-01-01), Koriyama
patent: 5031059 (1991-07-01), Yamaguchi et al.
patent: 5136439 (1992-08-01), Weispfenning et al.
patent: 5262907 (1993-11-01), Duffy et al.
patent: 5517372 (1996-05-01), Shibuya et al.
patent: 5696649 (1997-12-01), Boutaghou

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