Disk drive disk damper

Details Disk drive disk damper Disk drive disk damper

1997-06-03

2000-03-21

Korzuch, William R.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9912, G11B 17028

Patent

active

060409576

ABSTRACT:
A disk separator for a disk assembly of a disk drive is provided herein. The disk assembly includes a plurality of storage disks which are spaced apart on a spindle by a plurality of the disk separators. As provided herein, each disk separator includes a disk spacer and a disk damper which extend between adjacent storage disks. The disk spacer is rigid and maintains the relative position of the storage disks in the disk assembly. The disk damper is elastic and significantly reduces the vibration level of the storage disks in the disk assembly. The reduced vibration level decreases the level of mis-registration which occurs during operation of the disk drive and allows for the use of high rotational speed, high density, storage disks. Additionally, the disk assembly can include an end separator for separating the storage disks from a first stop or a second stop on the spindle. The end separator includes an end spacer and an end damper which extend between one of the surfaces of the storage disk and one of the stops.

REFERENCES:
patent: 4764828 (1988-08-01), Gollbach
patent: 5436775 (1995-07-01), Ishimatsu
patent: 5590004 (1996-12-01), Boutaghou
patent: 5644451 (1997-07-01), Chan et al.
patent: 5663851 (1997-09-01), Jeong et al.

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