Disk drive suspension with reduced off-track error

Details Disk drive suspension with reduced off-track error Disk drive suspension with reduced off-track error

2005-05-06

2009-08-04

Renner, Craig A (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

Disk record

C360S245100

Reexamination Certificate

active

07570458

ABSTRACT:
Apparatus for a disk drive having an actuator controlled suspension in operative association with a disk. The suspension mounting plane datum plane and suspension datum plane diverge at an acute angle. When the suspension is subjected to use conditions including seek operations and disk-induced turbulent wind flow conditions and induce sway forces and torsion forces that produce lateral off-track motions of the slider gap, the extension of the suspension datum plane substantially through the slider center of mass minimizes sway forces, and lateral off track motion of the slider gap is minimized. Error from torsion forces is minimized by having the dimple center of curvature coincide with a horizontal plane including the slider gap and having the dimple longitudinal axis extend through the slider center of mass, so that both sway and torsion force sources of track misregistration are addressed.

REFERENCES:
patent: 5012367 (1991-04-01), Toensing
patent: 5291360 (1994-03-01), Foote
patent: 6061205 (2000-05-01), Finegan
patent: 6063508 (2000-05-01), Hanrahan et al.
patent: 6445545 (2002-09-01), Guo et al.
patent: 2004/0070882 (2004-04-01), Wada et al.
patent: 2005/0128645 (2005-06-01), Limmer et al.
patent: 2005/0270698 (2005-12-01), Oh et al.

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