REFLECTION LAYER FOR OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING MEDIUM AND SPUTTERING TARGET FOR REFLECTION LAYER OF OPTICAL INFORMATION RECORDING MEDIUM

摘要

PURPOSE: To provide a new reflection layer for an optical information recording medium having high reflectance, excellent sulfur resistance and good adhesion property with a disk substrate (polycarbonate substrate or the like) and other thin films constituting the disk. CONSTITUTION: The reflection layer for an optical information recording medium consists of an Ag alloy containing >=1.5 at.% Zn.