Magnetic recording disk cartridge

Details Magnetic recording disk cartridge Magnetic recording disk cartridge

1988-07-18

1990-09-18

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

049582496

ABSTRACT:
A magnetic recording disk cartridge includes a casing having upper and lower halves mated together to define a planar spacing in which a magnetic recording disk supported by a hub member is rotatably held, and fluctuation suppressing ring members are disposed within the casing to be axially spaced from one another via at least an outer peripheral portion of the magnetic recording disk. The fluctuation suppressing ring members aerodynamically maintain the magnetic recording disk at an intermediate position in the planar spacing of the casing during the rotation of the magnetic recording disk.

REFERENCES:
patent: 4630728 (1986-12-01), Matsumoto
patent: 4789916 (1988-12-01), Oishi
patent: 4797770 (1989-01-01), Takahasi
Search Report from the European Patent Office.

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