OPTICAL RECORDING MEDIUM

The optical recording medium of the invention has a phase change recording layer containing Sb as a main component. When the recording layer is crystallized, the crystallized region contains rhombohedral crystals consisting essentially of Sb and is substantially free of a crystal phase other than th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: INOUE, HIROYASU, UTSUNOMIYA, HAJIME, TANAKA, YOSHITOMO, KATO, TATSUYA, SHINGAI, HIROSHI
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The optical recording medium of the invention has a phase change recording layer containing Sb as a main component. When the recording layer is crystallized, the crystallized region contains rhombohedral crystals consisting essentially of Sb and is substantially free of a crystal phase other than the rhombohedral crystals. The optical recording medium of the invention has a high transfer rate and its recording layer is improved in thermal stability.