Protected optical disk with a free layer holder

Details Protected optical disk with a free layer holder Protected optical disk with a free layer holder

1983-06-06

1985-08-20

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Layered

G01D 1532

Patent

active

045368686

ABSTRACT:
The invention relates to protected optical disk structures. The invention relates placing the sensitive layer on a substrate, which is only joined to the other elements constituting the box by a single fixing area, located in the central part of said box, in order that deformations of the box do not affect the smoothness and flatness of the substrate.

REFERENCES:
patent: 4331966 (1982-05-01), Moe
patent: 4365258 (1982-12-01), Guier et al.
patent: 4380016 (1983-04-01), Lehureau et al.
Patents Abstracts of Japan, vol. 5, No. 150, Sep. 22, 1981, (P81) (822), & JP-A- 56 83851, (Tokyo Shibaura Denki), (08-07-1981).

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