INFORMATION RECORDING MEDIUM, PROCESS FOR PRODUCING THE INFORMATION RECORDING MEDIUM, SPUTTERING TARGET, AND FILM FORMING APPARATUS

摘要

In an information recording medium that has an information layer which includes a recording layer capable of undergoing phase transition, the recording layer is formed from a material that contains Sb and S, and has composition represented by the formula (1): Sb x S 100-x (atomic %) where suffix x represents the proportion in atomic % that satisfies a relationship of 50 ‰¤ x ‰¤ 98.