METALLIC MATERIAL COATED WITH CARBON FILM
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United States of America Patent
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Issued Date -
Sep 23, 2010
app pub date -
Sep 3, 2009
filing date -
Mar 20, 2009
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Abandoned
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Abstract
A metallic material coated with a carbon film is provided. The coated metallic material comprises a metal substrate and a carbon film, wherein the carbon film includes an amorphous phase and a graphite-like phase, and in some embodiments an extra diffusion layer onto the metal substrate underneath the carbon film. The carbon film can be a single layer comprising of two carbon phases, amorphous carbon as the matrix and embedded graphite-like granules. The carbon film can also be multilayers with alternate amorphous carbon film and graphite-like carbon film.
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