Optical information recording medium having a protective film wh

Details Optical information recording medium having a protective film wh Optical information recording medium having a protective film wh

1989-12-12

1991-05-28

Levy, Stuart S.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

369283, 369284, 369292, G11B 724

Patent

active

050200488

ABSTRACT:
An optical information recording medium having at least a transparent substrate and a recording layer and capable of recording an information by irradiating the recording layer with laser beams from the transparent substrate side, wherein a protective film having hygroscopic property is formed on a light incident surface of the transparent substrate so that it can be stripped therefrom.

REFERENCES:
patent: 4879710 (1989-11-01), Iijima
Soviet Inventions Illustrated, Section R: Electrical, Week B11, 27 Apr. 1979, Derwent Publications Ltd., London, GB and SU 503288 (Gukalov S.P.) (21.04.76).

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