JP2920389B

PURPOSE:To enhance the humidity resistance and oxidation resistance of a recording film by selecting the target material forming the recording film from a specific ternary alloy and a specific quaternary or more alloy both of which contains Te or In. CONSTITUTION:A recording film is formed on an opt...

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Hauptverfasser:	YOKOGAWA TOSHIO, YOSHIZAWA HIDEJI, ISHIKAWA JUICHI, NAMURA MASARU
Format:	Patent
Sprache:	eng
Schlagworte:	COLOUR PRINTING INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LINING MACHINES PERFORMING OPERATIONS PHYSICS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PURPOSE:To enhance the humidity resistance and oxidation resistance of a recording film by selecting the target material forming the recording film from a specific ternary alloy and a specific quaternary or more alloy both of which contains Te or In. CONSTITUTION:A recording film is formed on an opticall disk substrate using a target material. At this time, as the target material, a compound doped with at least one metal selected at least one metal selected from a group consisting of Pb, Ga, Zn, Bi and Ag to a fundamental material composed of an alloy having a composition of GexTeyInz (x, y, z>0) or a compound doped with at least one metal selected from a group consisting of Ga, Zn, Bi and Ag to a fundamental material composed of a composition of Inx'Sby'Pbz' (x', y', z'>0) is used. By the use of this compound, the recording film rich in humidity resistance and oxidation resistance is obtained.