Optical recording medium

Details Optical recording medium Optical recording medium

1994-04-18

1994-11-29

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692751, 369284, G11B 724

Patent

active

053693213

ABSTRACT:
An optical recording medium of a single plate type capable of recording comprises a transparent resin substrate having a groove of 900-1800 .ANG. in depth and 0.3-0.6 .mu.m in width, a recording layer containing a dye overlying the substrate, a reflective layer overlying the recording layer and a protective layer overlying the reflective layer, the thickness of the recording layer being 800-1250 .ANG. at the groove portion and 500-1100 .ANG. at the land portion.

REFERENCES:
patent: 4359750 (1982-11-01), Howe
patent: 5161150 (1992-11-01), Namba et al.
patent: 5213859 (1993-05-01), Aoi et al.
patent: 5274623 (1993-12-01), Usami et al.

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