Plastic hub containing a magnetic material and method of its man

Details Plastic hub containing a magnetic material and method of its man Plastic hub containing a magnetic material and method of its man

1991-12-19

1995-09-05

Levy, Stuart S.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

369291, G11B 370

Patent

active

054485533

ABSTRACT:
An optical memory disk hub made essentially of from 7 to 55% by weight of a thermoplastic resin and from 45 to 93% by weight of magnetic powder and/or magnetic fiber.

REFERENCES:
patent: 4339518 (1982-07-01), Okamura et al.
patent: 4583102 (1986-04-01), Tamura et al.
patent: 4688127 (1987-08-01), Oishi et al.
patent: 4877667 (1989-10-01), Hattori et al.
patent: 4885653 (1989-12-01), Kato

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