| 摘要 |
<p>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 average diameter of 0.01 to 1 mu m by weight ratio 0.1 to 10%. <IMAGE></p> |
