Method of manufacturing an optical information recorded disc

Details Method of manufacturing an optical information recorded disc Method of manufacturing an optical information recorded disc

1989-11-07

1991-04-23

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

264 1004, 264 1009, 264 22, 264106, 264135, 425810, B29C 3920, B29C 4516

Patent

active

050098187

ABSTRACT:
A method of manufacturing an optical information recorded disc. The method includes steps of forming a light-absorbing layer and a protective layer on a substrate, irradiating a laser through the substrate on the light-absorbing layer to form reproducible information which can be reproduced by a reproducible signal satisfying a standard of a compact disc.

REFERENCES:
patent: 4477328 (1984-10-01), Broeksema
patent: 4478768 (1984-10-01), Takeoka
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patent: 4615753 (1986-10-01), Gregg
patent: 4659407 (1987-04-01), Lacotte
patent: 4761253 (1988-08-01), Antes
patent: 4764331 (1988-08-01), Tokuhara
patent: 4790893 (1988-12-01), Watkins
patent: 4810547 (1989-03-01), Minami
patent: 4876042 (1989-10-01), Imataki
patent: 4888201 (1989-12-01), Vennvliet

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