Method for manufacturing a replica stamper

A method for manufacturing a replica stamper for use in the mass production of an optical disk, wherein the optical disk has a plurality of tracks arranged spirally or concentrically, and each of the tracks has a recess and a protrusion for the recordation of information signals thereon, the method comprising the steps of:

• (a) preparing a master stamper made of polycarbonate having a top surface and a flat bottom surface, wherein the top surface of the master stamper includes a plurality of tracks, the plurality of tracks on the master stamper corresponding to the plurality of tracks on the optical disk, each of the tracks being provided with a recess and a protrusion;
• (b) depositing a buffer layer on the entirety of the top surface of the master stamper;
• (c) forming a replica stamper on top of the buffer layer;
• (d) disengaging the master stamper from the buffer layer and the replica stamper;
• and
• (e) removing the buffer layer from top of the replica stamper.