Combination magnetic disk storage device and filter system

Details Combination magnetic disk storage device and filter system Combination magnetic disk storage device and filter system

1981-04-17

1983-03-22

Lacey, David L.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

55338, 55DIG29, G11B 5012, B01D 4610

Patent

active

043778305

ABSTRACT:
A combination magnetic disk storage device and filter system for internally recirculating filtered air and reducing foreign particle contamination in the shroud area of a magnetic disk unit. The storage device and system having an air filter placed between an enclosed fixed disk and a removable disk received in a disk cartridge. By spinning the disks for a predetermined time prior to using the disk drive unit, the disks coact with the filter in circulating and filtering the air in the disk housing and the disk enclosures to substantially reduce the particle count to prevent read-write head crashes.

REFERENCES:
patent: 3710357 (1973-01-01), Buslik
patent: 3800325 (1974-03-01), O'Brien
patent: 3825951 (1974-07-01), Katsumori et al.
patent: 4054931 (1977-10-01), Bolton et al.
patent: 4092687 (1978-05-01), Botsch
patent: 4308041 (1981-12-01), Ellis
Contamination Control System for Disk Cartridge, IBM Technical Disclosure Bulletin, vol. 22, No. 1, Jun. 1979.

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