| 摘要 |
PURPOSE:To obtain an optical information recording medium having good recording characteristics, a capability of reproducing information by a CD player, and superior resistance to environment by selecting a recording material. CONSTITUTION:A recording layer is made of an alloy mainly composed of at least one element selected out of an element group (Ge, Si, Sn) and at least one element selected out of an element group (Au, Ag, Al, Cu). |
