Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1992-02-04
1993-01-12
Thibodeau, Paul J.
Dynamic magnetic information storage or retrieval
Record medium
In container
206444, 428694, 428695, 428900, 428 64, 428 65, B65D 8530, G11B 2303
Patent
active
051794870
ABSTRACT:
A magnetic recording disk is disclosed which comprises a flexible magnetic disk comprising a nonmagnetic support having thereon a magnetic layer comprising ferromagnetic powders and binders which is rotatably loaded in a cartridge having a liner formed with a nonwoven fabric on the inside of the cartridge, wherein said liner comprises (A) two layers of a layer of the magnetic layer side comprising a nonwoven fabric of a mixed yarn of rayon fibers and polyester fibers formed on the side which contacts with the magnetic layer, and a layer of the cartridge side comprising a nonwoven fabric of acrylic fibers formed on the side which contacts with the cartridge; or (B) three layers of two layers comprising a nonwoven fabric of a mixed yarn of rayon fibers and polyester fibers, and an inter layer comprising acrylic fibers formed between the two layers.
REFERENCES:
patent: 4695912 (1987-09-01), Moriwaki
patent: 4709816 (1987-12-01), Matsumoto et al.
patent: 4812938 (1989-03-01), Rogers et al.
patent: 4845583 (1989-04-01), Zimmerman et al.
patent: 5051287 (1991-09-01), Yamada et al.
Hayakawa Satoru
Niitsuma Kazuhiro
Fuji Photo Film Co. , Ltd.
Resan Stevan A.
Thibodeau Paul J.
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