Patent ID: 6317292
Filing Date: 2001-11-13
Classification: G11B

Abstract:
A disk cartridge comprising:a rotatable disk having upper and lower surfaces;an outer casing for rotatably housing said disk, said casing comprising upper and lower shells that mate to form said casing, each of said upper and lower shells having an inner surface disposed in facing relation to a respective surface of said disk; anda spun fabric liner comprising a plurality of bonded PTFE fibers, said fabric liner being directly attached to, and in direct contact with, the inner surface of one of said upper and lower shells, a main body of said fabric liner lying against the inner surface of said one shell and being spaced a predetermined distance from the respective surface of said disk, whereby said fibers wipe the surface of said disk of debris while the main body of the liner remains spaced from said disk, thereby reducing drag on said disk, the bonds between the plurality of fibers in a region of the liner being loosened by a fuzzing process to create a region of loosened unbonded upstanding fibers, wherein each of said loosened unbonded upstanding fibers is individually unbonded from each other fiber and each loosened unbonded upstanding fiber extends from the main body of said liner to the surface of said disk, whereby said loosened unbonded upstanding fibers wipe the surface of said disk while the main body of the liner remains spaced from said disk thereby reducing drag on said disk.