System and method for electrostatic fly height control

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head

Reexamination Certificate

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Reexamination Certificate

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07068457

ABSTRACT:
A head for use in accessing data from an electrically conductive media surface is provided. The head has a slider body defining a bearing plane configured to face the media surface. A fly height control electrode is positioned on the raised portion. Further, the fly height control electrode and the media surface are adapted to form opposing plates of a capacitor with a dielectric layer of air supporting the head. Also, the fly height control electrode is electrically isolated from the slider body. A head electrical connection disposed on the slider body is electrically connected to the fly height control electrode. The head electrical connection is adapted to provide a fly height control voltage to the fly height control electrode.

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U.S Appl. No. 09/845,619, filed Apr. 30, 2001, entitled “Thermal Compensation for Head Protrusion in a Magnetic Drive”.

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