Floppy disk unit with liner of fibers containing inorganic oxide

Details Floppy disk unit with liner of fibers containing inorganic oxide Floppy disk unit with liner of fibers containing inorganic oxide

1991-04-24

1993-06-01

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

360137, G11B 2303

Patent

active

052165663

ABSTRACT:
A floppy disk unit including a cartridge case or a jacket, a flexible magnetic disk rotatably accommodated in the cartridge case or the jacket, and liners disposed on the inner surface of the cartridge case or the jacket, wherein at least the surface layer of each of the liners in sliding contact with the magnetic disk is made from a fiber material such as rayon fiber, polyamide fiber, polyester fiber, or polynosic rayon fiber, each fiber having a diameter of 10 to 30 .mu.m, and the fiber material contains inorganic oxide material powder such as titanium oxide having an average diameter of 0.01 to 1 .mu.m by weight ratio 0.1 to 10%.

REFERENCES:
patent: 4812938 (1989-03-01), Rogers et al.
patent: 4864451 (1989-09-01), Iwasa et al.
patent: 4897752 (1990-01-01), Doi et al.
patent: 4901180 (1990-02-01), Oishi
patent: 4998176 (1991-03-01), Takemae et al.
patent: 5060105 (1991-10-01), Howey
Patent Abstracts of Japan, vol. 6, No. 179 (P-142) Sep. 14, 1982 and JP-A-57 094 965 (Hitachi Mexell) Jun. 12, 1982, Abstract only.
Patent Abstracts of Japan, vol. 2, No. 134 (E-70) Sep. 7, 1978 and JP-A-53 102 727 (Fuji Shashin Film) Feb. 21, 1977, Abstract only.
Patent Abstracts of Japan, vol. 7, No. 70 (P-185) (1215) Mar. 23, 1983 and JP-A-58 001 864 (Akiresu) Jan. 7, 1983, Abstract only.
IBM Technical Disclosure Bulletin, vol. 22, No. 10, Mar. 1980, New York US p. 4677; D. R. Lyn: "Buff-cleaning using abrasive slurry", entire page Foreign search report.

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