Tuned damper for disk drive actuator arm

Details Tuned damper for disk drive actuator arm Tuned damper for disk drive actuator arm

2008-04-01

2008-04-01

Castro, Angel (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

For shifting head between tracks

Reexamination Certificate

active

11165782

ABSTRACT:
Embodiments of the present invention include a disk drive actuator arm for reducing amplitude of vibration modes substantially planar to a disk surface. The actuator arm comprises a plurality of head arms coupled to the actuator arm, the head arms substantially equally spaced and substantially parallel to each other. The actuator arm further includes a damping material bonded to a surface of one of the plurality of head arms, wherein the surface is substantially parallel to the plurality of head arms. The actuator arm further includes a mass bonded to the damping material wherein the mass dampens the amplitude of vibration modes substantially planar to the disk surface.

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“Magnetic Head Discrete Vibration Damper/ Tuner” IBM Anon. Disc. SA8900211 May 1992.

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