Method for cleaning flexible magnetic discs

Details Method for cleaning flexible magnetic discs Method for cleaning flexible magnetic discs

1976-12-21

1978-07-18

Lucas, Jay P.

Dynamic magnetic information storage or retrieval

Miscellaneous

1523014, 152565, 274 47, B21B 4502, G11B 2504

Patent

active

041019482

ABSTRACT:
A soft, coarse, porous cleaning sheet 32 is adhered to the upper surface of a flat horizontal base plate 2, and has approximately the same configuration as the base plate. A floppy record disc 9 having a magnetic layer 10 is secured to the spindle 6 of a motor 5, and when the disc is rotated at a "below levitation" speed the layer 10 slidingly engages the cleaning sheet 32 and is scrape dusted clean thereby.

REFERENCES:
patent: 3346903 (1967-10-01), Darak
patent: 3366390 (1968-01-01), Applequist
patent: 3668658 (1972-06-01), Flores
patent: 3945647 (1976-03-01), Rangabe
patent: 3992018 (1976-11-01), Plummer
patent: 4001892 (1977-01-01), Castelli

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