Head suspension mechanism and apparatus for its control

Details Head suspension mechanism and apparatus for its control Head suspension mechanism and apparatus for its control

1995-08-31

1998-02-17

Psitosi, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 75, 360105, G11B 1900, G11B 2112, G11B 2116

Patent

active

057197202

ABSTRACT:
A head suspension mechanism having a load beam and a layer of piezoelectric material on at least one surface of a resilient portion of the load beam adjacent an arm of an actuator in a hard disk drive. A controller apparatus provides a control signal to the piezoelectric material to induce a piezoelectric effect of the piezoelectric material which causes the load beam to raise the head slider from the surface of a disk in a start mode before the disk begins to rotate, and also causes the load beam to keep the head slider from contacting the surface of a disk until the disk comes to a complete stop in a stop mode.

REFERENCES:
patent: 4605977 (1986-08-01), Matthews
patent: 4651242 (1987-03-01), Hirano et al.
patent: 4843502 (1989-06-01), Tagawa
patent: 5012369 (1991-04-01), Owe et al.
patent: 5068841 (1991-11-01), Nakayama et al.
patent: 5307224 (1994-04-01), Minase
patent: 5313445 (1994-05-01), Wada
patent: 5377058 (1994-12-01), Good

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