Disk drive servo writing using stylus to sense vibration...

Details Disk drive servo writing using stylus to sense vibration... Disk drive servo writing using stylus to sense vibration...

2007-05-22

2007-05-22

Sniezek, Andrew L. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S264100, C360S078040

Reexamination Certificate

active

11284112

ABSTRACT:
Embodiments of the present invention are directed to methods of making a disk drive and related servo writers. The disk drive includes a data storage disk, an actuator arm, and a head connected to the actuator arm. The disk drive is connected to a servo writer that includes a push-arm that is configured to radially move the actuator arm relative to the disk. The method includes moving the push-arm of the servo writer a defined distance to push the actuator arm and position the head at a defined radial location on the disk. Servo fields are written through the head along an arc at the defined radial location on the disk. A sensor that contacts the actuator arm is used to generate an electrical vibration signal that is indicative of vibration between the push-arm and the actuator arm.

REFERENCES:
patent: 6078458 (2000-06-01), Fioravanti et al.
patent: 6147831 (2000-11-01), Kennedy et al.
patent: 6867949 (2005-03-01), Guo et al.
patent: 7050259 (2006-05-01), Guo et al.

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