Title:
POLYCRYSTALLINE COMPOSITE
Document Type and Number:
WIPO Patent Application WO/2017/073293
Kind Code:
A1
Abstract:
This polycrystalline composite contains a polycrystalline diamond formed by diamond particles directly bonding to one another, and non-diamond carbon dispersed within the polycrystalline diamond, and has a hydrogen concentration greater than 1000 pm but not exceeding 20000 ppm.
Inventors:
SUMIYA HITOSHI (JP)
SATO TAKESHI (JP)
SATO TAKESHI (JP)
Application Number:
PCT/JP2016/079917
Publication Date:
May 04, 2017
Filing Date:
October 07, 2016
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
B23B27/14; B23B27/20
Domestic Patent References:
| WO2009099130A1 | 2009-08-13 |
Foreign References:
| JP2007022888A | 2007-02-01 | |||
| JP2011195407A | 2011-10-06 | |||
| JP2008180568A | 2008-08-07 | |||
| JP2007055819A | 2007-03-08 | |||
| JP2004131336A | 2004-04-30 | |||
| JP2003292397A | 2003-10-15 | |||
| JP2004168554A | 2004-06-17 |
Other References:
HITOSHI SUMIYA ET AL.: "High Pressure Synthesis of High-Purity Polycrystalline Diamonds by Direct Conversion from Various Carbon Materials and their Characterization", THE REVIEW OF HIGH PRESSURE SCIENCE AND TECHNOLOGY, vol. 16, no. 3, 20 August 2006 (2006-08-20), pages 207 - 215, XP055109771
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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