Amorphous carbon covered member
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United States of America Patent
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Nov 23, 2004
Grant Date -
Sep 27, 2001
app pub date -
Feb 23, 2001
filing date -
Feb 25, 2000
priority date (Note) -
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Abstract
For machine parts, cutting tools and molds used under extremely high contact pressures, an amorphous carbon film is provided which has a sufficient adhesion to a substrate. The amorphous carbon covered member has an interlayer comprising at least one element selected from the group consisting of elements in the IVa, Va, VIa and IIIb groups and the IVb group except carbon in the periodic table, or a carbide of at least one element selected from the group, and an amorphous carbon film formed on the interlayer. The interlayer has a thickness of 0.5 nm or over and less than 10 nm.
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