Head gimbal assembly including a trace suspension assembly...

Details Head gimbal assembly including a trace suspension assembly... Head gimbal assembly including a trace suspension assembly...

2006-02-28

2006-02-28

Tupper, Robert S. (Department: 2652)

Dynamic magnetic information storage or retrieval

Head mounting

Disk record

C360S245400, C360S234600

Reexamination Certificate

active

07006331

ABSTRACT:
A head gimbal assembly for a disk drive. The head gimbal assembly includes a trace suspension assembly backing layer including a gimbal. The trace suspension assembly backing layer is formed of a conductive material having a first oxidation rate. The head gimbal assembly further includes a gimbal conductive layer disposed upon the gimbal and formed of a conductive material having a second oxidation rate lower than the first oxidation rate. The head gimbal assembly further includes a slider supported by the gimbal. The head gimbal assembly further includes a conductive compound disposed between the gimbal conductive layer and the slider for electrically grounding the slider to the trace suspension assembly backing layer.

REFERENCES:
patent: 5812344 (1998-09-01), Balakrishnan
patent: 6125015 (2000-09-01), Carlson et al.
patent: 6146813 (2000-11-01), Girard et al.
patent: 6313972 (2001-11-01), Williams et al.
patent: 6480359 (2002-11-01), Dunn et al.
patent: 6846991 (2005-01-01), Girard et al.
patent: 6872896 (2005-03-01), Young et al.
patent: 6950288 (2005-09-01), Yao et al.

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