Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1998-01-30
2000-05-09
Cao, Allen T.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
G11B 548
Patent
active
060612053
ABSTRACT:
A slider support assembly (20) includes a support arm (2) extendible over a magnetic disk (8). A slider (4), including a data head (12), is mounted to the support arm. The slider is mounted so the slider can pivot in a radially oriented roll plane (18) about an effective roll axis (44). The effective roll axis is typically located centrally beneath the slider, preferably about half-way through the disk. By moving the effective roll axis from a position above the data surface, as found with conventional gimbal-type slider supports, to a point below the data surface, pivotal radial movements of the slider relative to the data surface due to flutter of the data surface are reduced or eliminated. This helps to prevent track misalignment between the data head and data track caused by flutter or other excursions of the disk while spinning.
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McAllister, IEEE Trans. Magnetics. vol. 32, No. 3 pp. 1762-1755 (May 1996).
Cao Allen T.
Hamrick Claude A.S.
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