Method for unsticking a head/slider assembly from a surface of a

Details Method for unsticking a head/slider assembly from a surface of a Method for unsticking a head/slider assembly from a surface of a

1998-06-19

2000-06-13

Edun, Muhammad

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 2102

Patent

active

060756713

ABSTRACT:
The invention relates to magnetic recording devices and a method for unsticking a head/slider assembly stuck on the surface of a magnetic recording disk. The method includes a first step which determines a resonant frequency of a mechanical system containing a magnetic recording disk, a head/slider assembly and a flexible support arm in which the resonant frequency of the mechanical system varies depending upon a position of the head/slider assembly on the surface of the magnetic recording disk, and a second step which oscillates the spindle motor and/or the voice coil motor at the resonant frequency to unstick the head/slider assembly from the surface of the magnetic recording disk.

REFERENCES:
patent: 5384675 (1995-01-01), Crawforth et al.

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