Method of making a master disk used in making optical readable i

Details Method of making a master disk used in making optical readable i Method of making a master disk used in making optical readable i

1985-11-26

1989-08-29

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

430156, 430312, 430314, 430320, 430326, 430945, 346 76L, 3461351, 346137, 369 94, 369275, 369286, 369288, 503201, G03C 500, G03F 726, G11B 1103

Patent

active

048616990

ABSTRACT:
A method of manufacturing an optical master disk, matrix derived from the master disk and synthetic resin information disk derived from the matrix.
A method of manufacturing an optical master disk in which a supporting plate is provided on one side with at least two layers of a photosensitive material in which, taken from the supporting plate, the photosensitivity of the material of the layers increases and/or in which a light-absorbing separation layer is used between the layers, as well as a metal matrix derived from the master disk and an optically readable information disk of synthetic resin derived from the matrix.

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