Composite diamond body and composite diamond tool

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United States of America Patent

PATENT NO 10639725
SERIAL NO

15522938

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Abstract

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A composite diamond body includes a diamond base material and a stable layer disposed on the diamond base material. The stable layer may have a thickness of 0.001 μm or more and less than 10 μm, and may include a plurality of layers. A composite diamond tool includes the composite diamond body. There are thus provided highly wear-resistant composite diamond body and composite diamond tool that are even applicable to mirror-finish planarization of a workpiece which reacts with diamond to cause the diamond to wear.

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Patent Owner(s)

  • SUMITOMO ELECTRIC INDUSTRIES LTD.; SUMITOMO ELECTRIC HARDMETAL CORP.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobayashi, Yutaka Itami, JP 296 3091
Nishibayashi, Yoshiki Itami, JP 85 688
Ueda, Akihiko Itami, JP 60 320

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