Suspension having reduced torsional mode gain and sensitivity

Details Suspension having reduced torsional mode gain and sensitivity Suspension having reduced torsional mode gain and sensitivity

1997-09-25

2000-08-15

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 549

Patent

active

061045721

ABSTRACT:
An improved suspension for supporting a read/write head adjacent to a relatively moving storage medium in a disk drive is disclosed. The suspension includes a curved loadbeam or a curved flexure that reduces the magnitude of the gain in the first torsion resonant mode of oscillation when the Z-height of the loadbeam is configured for minimum sensitivity of the first torsion gain as a function the loadbeam Z-height, thereby providing a suspension capable of providing improved head position servo performance and improved manufacturing and assembly yields.

REFERENCES:
patent: 5027241 (1991-06-01), Hatch et al.
patent: 5065268 (1991-11-01), Hagen
patent: 5471734 (1995-12-01), Hatch et al.
patent: 5543985 (1996-08-01), Donnelly et al.
patent: 5657187 (1997-08-01), Hatch et al.
patent: 5835307 (1998-11-01), Sone
Ohwe et al. Development of Integrated Suspension System for a Nanoslider with an MR Head Transducer, IEEE Trans. on Magnetics, vol. 29, No. 6, Nov. 1993, pp3924-26.
Suspension Product Matrix, Hutchinson Technology Inc., Hutchinson, MN 55350-9784, Six page brochure, .COPYRGT. Sep. 1994.

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