Optical recording medium, method of reproducing recorded data of

Details Optical recording medium, method of reproducing recorded data of Optical recording medium, method of reproducing recorded data of

Filed on

1994-03-22

Date issued

1995-07-11

Examiner

Epps, Georgia Y.

Patent Class

Dynamic information storage or retrieval

SubClass

Specific detail of information handling portion of system

SubSubClass

Radiation beam modification of or by storage medium

Other Related Categories

3692751, 369272, 369284, G11B 700

Type

Patent

Status

active

Patent number

054327709

Description

ABSTRACT:
An optical recording medium has a substrate and, provided thereon, a recording layer, a recording auxiliary layer that covers a given region on the surface of the recording layer on its side not facing the substrate, and a recording restraining layer that the covers the recording layer on its surface not covered with the recording auxiliary layer.

REFERENCES:
patent: 4189735 (1980-02-01), Bell et al.
patent: 4635245 (1987-01-01), Smith
patent: 4807220 (1989-02-01), Miyai et al.
patent: 4839883 (1989-06-01), Nagata et al.
patent: 4871601 (1989-10-01), Miura et al.
patent: 5093174 (1992-03-01), Suzuki et al.
patent: 5108873 (1992-04-01), Fukui et al.
patent: 5109375 (1992-04-01), Greidanus et al.

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