Optical information recording medium having multi-layered struct

Details Optical information recording medium having multi-layered struct Optical information recording medium having multi-layered struct

1992-05-14

1993-10-05

Nguyen, Hoa T.

Dynamic information storage or retrieval

Storage medium structure

Layered

3692755, 369288, 369284, G11B 724

Patent

active

052512029

ABSTRACT:
An optical information recording medium is composed of a transparent substrate, a recording layer provided on the substrate, which is transparent with respect to a light beam for reproducing information recorded in the recording layer, a reflection layer provided on the recording layer, and an anti-reflection layer provided on the back side of the substrate opposite to the recording layer. The anti-reflection layer is composed of a plurality of overlaid layers, and at least one of the layers being a transparent electroconductive layer and the other layers are transparent insulating layers.

REFERENCES:
patent: 4586092 (1986-04-01), Martens et al.
patent: 4658388 (1991-04-01), Ishiwatari et al.
patent: 4831608 (1989-05-01), Tsukane et al.
patent: 5013594 (1991-05-01), Mizumura et al.

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