发明名称 |
Magnetic recording disk loaded in a cartridge with a specified liner |
摘要 |
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.
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申请公布号 |
US5179487(A) |
申请公布日期 |
1993.01.12 |
申请号 |
US19920831058 |
申请日期 |
1992.02.04 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
NIITSUMA, KAZUHIRO;HAYAKAWA, SATORU |
分类号 |
G11B5/708;B32B5/08;C09D5/23;C09D7/12;G11B23/033;G11B23/50 |
主分类号 |
G11B5/708 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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