Micro-actuator, head gimbal assembly, disk drive unit and...

Details Micro-actuator, head gimbal assembly, disk drive unit and... Micro-actuator, head gimbal assembly, disk drive unit and...

2007-08-14

2007-08-14

Nguyen, Hoa T. (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

For adjusting head position

Reexamination Certificate

active

10873161

ABSTRACT:
A head gimbal assembly (HGA) including a slider, a micro-actuator and a suspension to load the slider and the micro-actuator. The micro-actuator includes a support base and a piezoelectric unit used for both position displacement adjustment and flying height adjustment. The support base includes a base, a moving plate, and a leading beam to connect with the base and the moving plate. The invention also discloses a method of manufacturing such micro-actuator and HGA, and a structure of a disk drive having the micro-actuator and HGA.

REFERENCES:
patent: 6215629 (2001-04-01), Kant et al.
patent: 6320730 (2001-11-01), Stefansky 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: 6879469 (2005-04-01), Liu et al.
patent: 6930860 (2005-08-01), Coffey

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