Multilayer film-coated member and method for producing it
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United States of America Patent
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Nov 13, 2012
Grant Date -
Feb 4, 2010
app pub date -
Jul 29, 2009
filing date -
Jul 31, 2008
priority date (Note) -
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Abstract
A multilayer film-coated member is fabricated by coating the surface of a substrate with at least two hard coating films having different compositions, wherein the first composition hard film of the outermost layer is represented by SiaBbNcCdOe with a+b+c+d+e=1, 0.1≦a≦0.5, 0.01≦b≦0.2, 0.05≦c≦0.6, 0.1≦d ≦0.7 and 0
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