REFLECTION LAYERS FOR OPTICAL STORAGE MEDIA OPTICAL STORAGE MEDIA AND SPUTTERING TARGETS FOR REFLECTION LAYER OF OPTICAL STORAGE MEDIA

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.