Method for producing an optical information recording medium

Details Method for producing an optical information recording medium Method for producing an optical information recording medium

2006-01-24

2006-01-24

Gray, Linda (Department: 1734)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S270000, C156S512000, C156S513000, C156S521000

Reexamination Certificate

active

06989069

ABSTRACT:
The invention provides a method for manufacturing an optical information recording medium having a track pitch of 200 to 400 nm and a groove depth of 20 to 150 nm, and being capable of recording and reproducing using a light with a wavelength of 450 nm or less, the method at least including: a metal reflective layer forming step for forming a metal reflective layer on a substrate; a recording layer forming step for forming a recording layer of an organic dye type on said metal reflective layer; and a cover layer forming step for forming a cover layer on said recording layer; in this order.

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patent: 2003-524853 (2003-08-01), None

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