Method for manufacturing information recording medium

Abstract

The same digital data is recorded with highly integrated manner on a plurality of media able to durably hold information over long-term. A minute graphic pattern indicating data bit information is drawn on a resist layer formed on a quartz glass substrate by exposing a beam and developed so as to prepare a master medium (M), which comprises the quartz glass substrate having a minute recess and protrusion structure formed by etching where the remaining resist are used as a mask (FIG. (a)). The recess and protrusion structure recorded on the master medium (M) is shaped and transferred onto a flexible recording medium (G) on which a UV curable resin layer () is formed, whereby an intermediate medium (M) is prepared (FIGS. (b)-(d)). The inverted recess and protrusion structure transferred to the intermediate medium (M) is shaped and transferred onto a recording medium (G) comprising a quartz glass substrate () on which a UV curable resin layer () is formed, whereby a reproduction medium (M) having the same recess and protrusion structure as that of the master medium (M) is prepared (FIGS. (e)-(h)). In shaping and transferring process, the media are separated using the flexibility of the intermediate medium (M).