Recording and reproducing head slider and recording and reproduc

Details Recording and reproducing head slider and recording and reproduc Recording and reproducing head slider and recording and reproduc

1996-01-24

1998-06-09

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360103, G11B 2121

Patent

active

057644322

ABSTRACT:
A recording/reproducing head slider has a recording/reproducing head for recording/reproducing data in and from a date recording medium. The head slider is installed in a recording/reproducing apparatus. A first slider is floated by a hydrodynamic force generated by the medium while rotating. A second slider is elastically supported by the first slider so as to be displaced in a plane direction of the medium, the head being mounted on the second slider. A force generating means, such as an electrode, is provided as facing the second slider via a gap, for generating a repellent force between the force generating means and the second slider. A distance of the gap is varied by applying a voltage to the force generating means in response to electrostatic capacity of the gap. The first slider may have two slider rails provided parallel to each other. A plate is fixed on the two rails so that the two rails are situated in a same plane with respect to the medium. The second slider is connected to the first slider by means of a connecting portion so that the second slider is elastically supported by the first slider. A counterweight may be provided on a side opposite to the second slider with respect to the connecting portion so that a gravity center of a sum total mass of the second slider and the counterweight is located on the connecting portion.

REFERENCES:
patent: 4605977 (1986-08-01), Matthews
patent: 4669011 (1987-05-01), Lemke
patent: 5021906 (1991-06-01), Chang et al.
patent: 5408373 (1995-04-01), Bajorek et al.

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