Optical storage medium with first layer containing optically rea

Details Optical storage medium with first layer containing optically rea Optical storage medium with first layer containing optically rea

1995-06-07

1998-02-17

Levy, Stuart S.

Dynamic information storage or retrieval

Storage medium structure

Layered

G11B 7243

Patent

active

057198500

ABSTRACT:
An optical card comprising an optical storage material for optically storing information and a visible information layer for storing visible information. The optical storage material has specific light transmittance to cause visible light to arrive at the visible information layer so that the visible information is observed through the optical storage material.

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