Roll-biased head suspension for reduced track misregistration

Details Roll-biased head suspension for reduced track misregistration Roll-biased head suspension for reduced track misregistration

1996-10-24

2000-07-11

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360109, G11B 558

Patent

active

060881925

ABSTRACT:
A method corrects track misregistration attributable to out-of-plane motions of a rotating disk in a hard disk drive, and includes the steps of measuring a base plate-roll-bias angle between the rotating data storage disk and the head arm with a precision measuring device, and connecting the head arm and load beam at a roll-bias angle selected to minimize track misregistration attributable to the roll-bias. A number of connection arrangements and structures are presented in order to achieve the desired reduction in track misregistration.

REFERENCES:
patent: 5027241 (1991-06-01), Hatch et al.
patent: 5079660 (1992-01-01), Yumura et al.
patent: 5381288 (1995-01-01), Karam, II
patent: 5408372 (1995-04-01), Karam, II
patent: 5471734 (1995-12-01), Hatch et al.
patent: 5652684 (1997-07-01), Harrison et al.
McAllister, "The Effect of Platter Resonances on Track Misregistration in Disk Drives", Sound and Vibration, Jan. 1996, pp. 24-28.

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