公开(公告)号：US5179487A

公开(公告)日：1993-01-12

申请号：US831058

申请日：1992-02-04

申请人： Kazuhiro Niitsuma ,  Satoru Hayakawa

发明人： Kazuhiro Niitsuma ,  Satoru Hayakawa

IPC分类号： G11B5/708 ,  B32B5/08 ,  C09D5/23 ,  C09D7/12 ,  G11B23/033 ,  G11B23/50

CPC分类号： B32B5/08 ,  G11B23/0332 ,  G11B23/505 ,  Y10S428/90

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.

摘要翻译： 公开了一种磁记录盘，其包括柔性磁盘，其包括非磁性载体，其上具有包含铁磁粉末和粘合剂的磁性层，所述磁性层可旋转地装载在具有在所述盒的内部上形成有无纺布的衬垫的盒中，其中所述 衬垫包括（A）两层一层磁性层一侧，其包含在与磁性层接触的侧面上形成的人造丝纤维和聚酯纤维的混合纱线的无纺织物，以及包含无纺布 形成在与盒接触的一侧上的丙烯酸纤维织物; 或（B）包含人造丝纤维和聚酯纤维的混合纱的非织造织物的两层两层，以及在两层之间形成的包含丙烯酸纤维的层。