Suspension with minimized second torsion gain

Details Suspension with minimized second torsion gain Suspension with minimized second torsion gain

2005-02-15

2005-02-15

Klimowicz, William J. (Department: 2652)

Dynamic magnetic information storage or retrieval

Head mounting

Disk record

C360S245000, C360S245100

Reexamination Certificate

active

06856487

ABSTRACT:
A disk drive suspension having a minimized 2ndtorsion characteristic includes a load beam having a given side profile and centerline rotation axis. The load beam has a base portion, a spring portion, and a beam portion. The beam portion has a distal section supporting a flexure having a tongue. There is a dimple between the tongue and the load beam, and a slider carried on the tongue for gimballing movement about the dimple. The dimple has a given height that displaces said beam portion so that the beam portion side profile is biased from said centerline rotation axis. A bend is placed in the beam portion distal section of a size and location to offset the displacement of the beam portion by the dimple while maintaining the beam portion before said distal section straight. Thus, the beam portion side profile registers with the centerline rotation axis and its 2ndtorsion characteristic is minimized.

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patent: 20020034039 (2002-03-01), Hagen
patent: 07211034 (1995-08-01), None
patent: 09306113 (1997-11-01), None
patent: 11007740 (1999-01-01), None

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