Patent ID: 8524347

Claim:
A method of manufacturing an optical information recording medium, comprising: manufacturing a second structure by: a process of applying a first ultraviolet curable resin to one surface of a second substrate, bonding a mold having a fine pattern formed therein in advance to the surface where the first ultraviolet curable resin is applied, spreading the first ultraviolet curable resin by a spin coating technique, and then irradiating the first ultraviolet curable resin with ultraviolet rays from outside; a process of applying the first ultraviolet curable resin to another surface of the second substrate, bonding another mold having a fine pattern formed therein in advance to the another surface where the first ultraviolet curable resin is applied, spreading the first ultraviolet curable resin by a spin coating technique, and then irradiating the first ultraviolet curable resin with ultraviolet rays from outside; a process of separating any one of the molds at a boundary with the first ultraviolet curable resin to transfer an asperity pattern, so as to form an information storage layer on the transfer surface of the asperity pattern; a process of applying a second ultraviolet curable resin to the surface where the information storage layer is formed, bonding a first substrate to the surface where the second ultraviolet curable resin is applied, spreading the second ultraviolet curable resin by a spin coating technique, and irradiating the second ultraviolet curable resin with ultraviolet rays from outside; and a process of separating the mold that remains in the second substrate at a boundary with the first ultraviolet curable resin, so as to form an information storage layer on the transfer surface of the asperity pattern; and applying the second ultraviolet curable resin to a third substrate of a first structure, bonding a surface where the information storage layer is formed in the second structure to the surface of the first structure where the second ultraviolet curable resin is applied, spreading the second ultraviolet curable resin by a spin coating technique, and then irradiating the second ultraviolet curable resin with ultraviolet rays from outside, wherein the first structure is manufactured by: forming asperity patterns for guiding laser beams on both sides of a second substrate; forming information recording layers on the asperity patterns; bonding a first substrate to a surface where one information storage layer is formed in the second substrate with the second ultraviolet curable resin formed therebetween; and bonding the third substrate to a surface where another information storage layer is formed in the second substrate with the second ultraviolet curable resin formed therebetween.