Disk cartridge with centered magnetic plate

Details Disk cartridge with centered magnetic plate Disk cartridge with centered magnetic plate

1992-04-21

1994-05-24

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

053154703

ABSTRACT:
A disk cartridge includes a plate made of a metallic substance held on a counter chucking side of a flange formed in a center portion of a disk. The magnetic plate is housed inside a disk cartridge and has a height set at a dimension greater than the shortest axial dimension between a portion of the cartridge casing opposite the counter chucking surface of the flange and the facing surface of the disk.

REFERENCES:
patent: 4796139 (1989-01-01), Faber
patent: 4812937 (1989-03-01), Nemoto
patent: 4858050 (1989-08-01), Ashe et al.
patent: 5090010 (1992-02-01), Takahashi
patent: 5111446 (1992-05-01), Fujita

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