PVD COATED POLYCRYSTALLINE DIAMOND AND APPLICATIONS THEREOF

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United States of America Patent

APP PUB NO 20160237548A1
SERIAL NO

14620864

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Abstract

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In one aspect, cutting tools are described herein employing PCD substrates having coatings applied thereto. A cutting tool, for example, comprises one or more cutting edges including a PCD substrate and a diamond-like carbon coating adhered to the PCD substrate, the diamond-like carbon coating having hardness greater than 4000 HV0.05. In some embodiments, the diamond-like carbon coating has a thickness greater than 0.3 μm and a sp3 fraction of at least 0.85.

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Patent Owner(s)

Patent OwnerAddress
KENNAMETAL INC1600 TECHNOLOGY WAY LATROBE PA 15650

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
PUVILAND, Emmanuel EP Dambach La Ville, FR 1 0
ROSENBERGER, Fabian Latrobe, US 5 10
ZIMMERMANN, Armin Josef Nabburg, DE 9 43

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