| 摘要 |
<p>An information recording member has an information recording film formed on a substrate either directly or with the interposition of at least one inorganic or organic protective layer and which undergoes change of atomic arrangement upon being irradiated by a recording beam. To improve the producibility of the member and its stability during its life, the recording film has and average composition in the direction of film thickness expressed by
<Chemistry id="chema01" num="0001"><Image id="ia01" he="8" wi="24" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>where 2 ≤ × ≤ 40, 30 ≤ y ≤ 95, 3 ≤ z ≤ 45, O ≤ α ≤ 20 and M is at least one of As, Sb, Bi, S, Si, Ge, Sn, Pb, Aℓ, Ga, In, Tℓ. Zn, Cd, Au, Ag, Cu, Ni, Pd, Rh, Cr, Mo, W and Ta. Members on which the recorded data is erasable can be produced.</p> |
