Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate
2006-08-15
2006-08-15
Nguyen, Hoa T. (Department: 2627)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
Reexamination Certificate
active
07092193
ABSTRACT:
A disk drive includes a slider assembly and a controller that directs current to the slider assembly to dynamically adjust the head-to-disk spacing. In one embodiment, the slider assembly includes a write element having a first end, a second end and an intermediate section, a conductor that is connected to the intermediate section. In this embodiment, the controller directs electrical current through the conductor to heat the write element without writing data to a storage disk. The electrical current can be directed through the conductor at any time prior to data transfer or during data transfer. Heating the write element causes a deformation of the slider assembly to decrease the head-to-disk spacing. In another embodiment, the slider assembly includes a separate slider deformer. Electrical current is selectively directed to the slider deformer to cause a deformation of the slider assembly to obtain a desired head-to-disk spacing. The slider deformer can include electrically conductive material or can be a piezoelectric element. Further, the slider deformer can be serpentine-shaped or substantially planar in shape.
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Chew Xiaokun
Lin Gang Herbert
Marshall Steven
McKenzie Robert
Nguyen Thao
Broder James P.
Maxtor Corporation
Nguyen Hoa T.
Roeder Steven G.
Slavitt Mitchell
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