Single-substrate multi-layer optical disk for read-only storage

Details Single-substrate multi-layer optical disk for read-only storage Single-substrate multi-layer optical disk for read-only storage

1996-10-15

1998-01-13

Hindi, Nabil

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 94, G11B 724

Patent

active

057086532

ABSTRACT:
An optical disk includes a transparent rigid substrate, a phase change rewritable optical recording medium formed on the transparent rigid substrate, a transparent spacer formed on the phase change rewritable optical recording medium and having a grooved surface for storing information, and a reflecting layer formed on the grooved surface of the transparent spacer. The grooved surface of the transparent spacer and the reflecting layer form a read-only recording medium.

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