Aluminum alloy for the substrate of magnetic disk
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United States of America Patent
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Jun 20, 1989
Issued Date -
N/A
app pub date -
Apr 13, 1988
filing date -
May 21, 1985
priority date (Note) -
Expired
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Abstract
An aluminum alloy for the substrate of magnetic disk is disclosed, wherein 2 to 6 wt % of Mg and further either one or two of Cu within a range of 0.12 to 2.0 wt % and Zn within a range of 0.28 to 7.0 wt % are contained, and the remainder comprises of Al and inevitable impurities.
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