Method for producing a master disk of a recording medium, method for producing a stamper, method for producing a recording medium, master disk of a recording medium, stamper of a recording medium, and recording medium

摘要

A method for producing a master disk 105 for an optical disk 110 includes a layer forming step of forming a heat-sensitive material layer 102 on a substrate 101, an exposure step of exposing the heat sensitive material layer 102 partially to a laser beam, and a pit and land pattern forming step of forming a pattern of pits and lands by means of the difference between the etching rates of the exposed portion and the unexposed portion of the heat-sensitive material layer 102. The heat-sensitive material layer 102 includes at least Sb and O. When the composition ratio of O is defined as x (atom %), x is 3 or more and 50 or less. <IMAGE> <IMAGE> <IMAGE> <IMAGE> <IMAGE> <IMAGE> <IMAGE>