Method and apparatus for a micro-actuator providing...

Details Method and apparatus for a micro-actuator providing... Method and apparatus for a micro-actuator providing...

2006-10-31

2006-10-31

Tupper, Robert S. (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

For adjusting head position

C360S294400

Reexamination Certificate

active

07130160

ABSTRACT:
The present invention includes a micro-actuator assembly. The micro-actuator assembly includes a planar micro-actuator and a vertical micro-actuator. The planar micro-actuator provides at least one planar micro-actuator arm for coupling to a slider. The vertical micro-actuator couples with the planar micro-actuator arm. The planar micro-actuator arm supports moving the slider in a planar direction. The vertical micro-actuator supports moving the slider, through the micro-actuator arm, in a vertical direction. The planar micro-actuator may include two planar micro-actuator arms. It is preferred that at least one of the micro-actuators include a piezoelectric device. The vertical micro-actuator preferably includes a bulk piezoelectric device for cost reasons. The vertical micro-actuator may include a thermoelectric device supporting vertical slider movement. The invention includes manufacturing head gimbal assemblies, actuator arms, voice coil actuator assemblies, and hard disk drives. The hard disk drives, actuator assemblies, actuator arms, and head gimbal assemblies, are products of these processes.

REFERENCES:
patent: 6501625 (2002-12-01), Boismier et al.
patent: 6570730 (2003-05-01), Lewis et al.
patent: 6590748 (2003-07-01), Murphy et al.
patent: 6611399 (2003-08-01), Mei et al.
patent: 6950266 (2005-09-01), McCaslin et al.

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