Optical registration medium with dual information layer

Dynamic information storage or retrieval – Storage medium structure – Optical track structure

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Details

369 94, G11B 724, G11B 374

Patent

active

056894970

ABSTRACT:
A read-only optical registration medium which successively includes:

REFERENCES:
patent: 4569881 (1986-02-01), Freese et al.
patent: 5631096 (1997-05-01), Nakajima et al.

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