Head gimbal assembly with precise positioning actuator for...

Details Head gimbal assembly with precise positioning actuator for... Head gimbal assembly with precise positioning actuator for...

2005-09-30

2008-08-12

Klimowicz, William J (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

For adjusting head position

Reexamination Certificate

active

07411764

ABSTRACT:
A micro-actuator for a head gimbal assembly includes a fixed portion connectable to a suspension of the head gimbal assembly and a movable portion connectable to a slider of the head gimbal assembly. A pair of frame ribs interconnect the fixed portion and the movable portion. A PZT element is mounted to each of the frame ribs. Each PZT element is excitable to cause selective movement of the frame ribs which causes movement of the movable portion to cause movement of the slider. A tongue is fixed to and extends from the fixed portion. The tongue is engagable with a pivot provided on the suspension of the head gimbal assembly. The tongue forms a gap between the movable portion and itself.

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