Magnetic disk cartridge

Details Magnetic disk cartridge Magnetic disk cartridge

1991-08-05

1994-01-25

Anderson, Bruce C.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

052821064

ABSTRACT:
A magnetic disk cartridge retains a rotational magnetic disk in a case through liners, which contact the associated surfaces of the disk and each have multiple long protrusions formed almost uniformly and almost in parallel to one another on the whole surface on the disk side. As the magnetic disk rotates, the angle of the disk surface contacting the long protrusions can gradually change, thus ensuring removal of dust from the disk. In additon, this structure can reduce the frictional resistance between the liner's surface and magnetic disk, which contributes to faster rotation of the disk.

REFERENCES:
patent: 4510546 (1985-04-01), Asami et al.
patent: 4648002 (1987-03-01), Mroz et al.
patent: 4688129 (1987-08-01), Gruehn et al.
patent: 4709816 (1987-12-01), Matsumoto et al.
patent: 4737876 (1988-04-01), Brock et al.
patent: 4864451 (1989-09-01), Iwaga et al.
patent: 4977475 (1990-12-01), Shiba et al.
patent: 5091814 (1992-02-01), Ikebe et al.

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