Optical recording medium

An optical recording medium comprises a substrate; a recording layer located overlying the substrate, wherein the recording layer has the formula Ge alpha Ga beta Sb gamma Te100- alpha - beta - gamma , wherein alpha is a number of from 1 to 5 in units of atomic percent, beta is a number of from 1 to...

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1. Verfasser: OHKURA HIROKO,KAGEYAMA YOSHIYUKI,HARIGAYA MAKOTO,YUZURIHARA HAJIME,HIBINO EIKO,MIURA HIROSHI,MIZUTANI MIKU
Format: Patent
Sprache:eng
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Zusammenfassung:An optical recording medium comprises a substrate; a recording layer located overlying the substrate, wherein the recording layer has the formula Ge alpha Ga beta Sb gamma Te100- alpha - beta - gamma , wherein alpha is a number of from 1 to 5 in units of atomic percent, beta is a number of from 1 to 5 in units of atomic percent, and gamma is a number of from 70 to 81 in units of atomic percent; and a reflection layer located overlying the recording layer.