Head gimbal assembly with flying height controller, disk...

Details Head gimbal assembly with flying height controller, disk... Head gimbal assembly with flying height controller, disk...

2004-10-18

2009-06-23

Olson, Jason C (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S078050, C360S294400

Reexamination Certificate

active

07551386

ABSTRACT:
A HGA comprises a slider, a suspension to load the slider, a flying height controller for controlling flying height of the slider; and a flexible cable to be electrically connected with the slider and the flying height controller. In the present invention, the flying height controller comprises at least one piezoelectric piece disposed between the slider and the suspension. The HGA further comprises ACF to connect the flying height controller with the suspension and the flexible cable. The invention also discloses a disk drive unit with the HGA, a method for flying height control with the HGA, and a system for controlling flying height.

REFERENCES:
patent: 5611707 (1997-03-01), Meynier
patent: 6266212 (2001-07-01), Coon
patent: 6538836 (2003-03-01), Dunfield et al.
patent: 6617763 (2003-09-01), Mita et al.
patent: 6624984 (2003-09-01), Lewis et al.
patent: 6700727 (2004-03-01), Crane et al.
patent: 6801398 (2004-10-01), Ohwe et al.
patent: 6950266 (2005-09-01), McCaslin et al.
patent: 2006/0023338 (2006-02-01), Sharma et al.
patent: 06103717 (1994-01-01), None

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