Optical recording medium, method for manufacturing the same and target used for sputtering process
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United States of America Patent
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Aug 16, 2005
Grant Date -
Sep 30, 2004
app pub date -
Mar 22, 2004
filing date -
Mar 24, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical recording medium includes a recording layer containing as a primary component an alloy containing at least two elements selected from the group consisting of Fe, Al and Si and the alloy contained in the recording layer as a primary component has a composition [x1, y1, z1] in terms of the ternary composition diagram that falls within a region of a pentagon defined by straight lines connecting points [57, 43, 0], [0, 55, 45], [15, 0, 85], [89, 11, 0] and [0, 16, 84] in the ternary composition diagram. According to the thus configured optical recording medium, only minimal load is placed on the global environment.
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