STAMPER FOR PRODUCING INFORMATION RECORDING MEDIUM AND PROCESS FOR PRODUCING INFORMATION RECORDING MEDIUM

摘要

A stamper for producing an information recording medium including a replica having protrusions and recesses on the surface, characterized in that it has a first shape pattern being transferred to the replica on the surface at temperature T1 and has a second shape pattern where only the protrusions in the first shape pattern are deformed at temperature T2.