Recording disc cartridge having centrally-located, integral, rai

Details Recording disc cartridge having centrally-located, integral, rai Recording disc cartridge having centrally-located, integral, rai

1995-07-28

1997-06-17

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

056402988

ABSTRACT:
A cartridge including a cover casing, a back casing, and a disc-shaped medium provided between the casings. The cover casing has a centrally-located, raised surface on its interior surface which is chemically and physically integral with the cover casing. When the cartridge is inserted into a drive for reading/writing the medium, a drive pin from the drive contacts the raised surface. The cover casing is comprised of high-impact polystyrene containing silicone.

REFERENCES:
patent: 4544977 (1985-10-01), Ozawa
patent: 4604664 (1986-08-01), Barski
patent: 4743994 (1988-05-01), Kato et al.
patent: 4768123 (1988-08-01), Iizuka et al.
patent: 4855857 (1989-08-01), Ono et al.
patent: 4879621 (1989-11-01), Chamberlin et al.
patent: 5053905 (1991-10-01), Kiji et al.
patent: 5103363 (1992-04-01), Yamada et al.
patent: 5241441 (1993-08-01), Yamada et al.

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