INFORMATION RECORDING MEDIUM

PURPOSE: To ensure the chemical stability of a reflecting metallic layer and the mechanical stability of the layer, that is, the shape stability of the plane or specular surface in an information recording medium having a structure formed by sticking two transparent substrate each having the reflect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAITO MITSUO, KIYOMIYA TADASHI, SASAOKA TATSUYA
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:PURPOSE: To ensure the chemical stability of a reflecting metallic layer and the mechanical stability of the layer, that is, the shape stability of the plane or specular surface in an information recording medium having a structure formed by sticking two transparent substrate each having the reflecting metallic layer and information pits. CONSTITUTION: A reflecting metallic layer of an Al alloy contg. at least >0.5 to 10wt.% Ti is formed on one side of at least one of two transparent substrates each having information pits and the two substrates are stuck to each other with an adhesive.