Optical information carrier having interconnected buffer spaces

Details Optical information carrier having interconnected buffer spaces Optical information carrier having interconnected buffer spaces

1989-12-15

1991-09-10

Levy, Stuart S.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692753, 3692754, 369286, 3461351, G11B 724

Patent

active

050480073

ABSTRACT:
Optical information carrier comprising an optical transparent layer and a reflective layer adjacent to each other whereby the interface comprises an optically readable information structure containing alternate areas with such different properties, so that a scanning light beam is modulated in correspondence with the information present in said structure. Between the surface of the transparent layer and the surface of the reflective layer one or more gas-filled interconnected buffer spaces are realized at positions distributed over the interface between said layers.

REFERENCES:
patent: 4547876 (1985-10-01), Ettenberg

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