Actuator for use with a disk drive having a coil assembly...

Details Actuator for use with a disk drive having a coil assembly... Actuator for use with a disk drive having a coil assembly...

2005-09-06

2005-09-06

Watko, Julie Anne (Department: 2653)

Dynamic magnetic information storage or retrieval

Head mounting

For shifting head between tracks

C360S097020

Reexamination Certificate

active

06940698

ABSTRACT:
Disclosed is an actuator for use with a disk drive having a coil assembly including a bobbin to aid in heat convection from the coil of the coil assembly. The actuator includes a body portion for pivotally coupling to the disk drive and an actuator arm cantilevered from the body portion for supporting a head gimbal assembly (HGA). The actuator further includes a coil assembly having a fork, a coil, and a bobbin. The fork is cantilevered from the body portion in an opposite direction from the actuator arm and includes a pair of opposed prongs to mount the coil and the bobbin therebetween. The bobbin includes at least two opposed fins to aid in the convection of heat from the coil.

REFERENCES:
patent: 6078477 (2000-06-01), Adams et al.
patent: 6144530 (2000-11-01), Shiraishi et al.
patent: 6181530 (2001-01-01), Ratliff et al.
patent: 2003/0081355 (2003-05-01), Arisaka et al.

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