Pre-rolled film for the embossing of a carrier film for an optical recording medium, apparatus for the manufacture of the carrier film for an optical recording medium, process for the production of the carrier film for an optical recording medium and optical recording media thus produced

摘要

A molding roll (3) is disclosed which is used for molding a substrate sheet for an optional recording medium by transferring a preformat pattern to a resin sheet molded by melting and extruding a resin. The molding roll (3) has a roll base (11), a stamper (13) detachably fixed on the peripheral surface of the roll base, and a resin layer (12) interposed between the roll base (11) and the stamper (13). IMAGE