DIAMOND TOOL, SYNTHETIC SINGLE CRYSTAL DIAMOND AND METHOD FOR SYNTHESIZING SINGLE CRYSTAL DIAMOND, AND DIAMOND JEWELRY

Title:

DIAMOND TOOL, SYNTHETIC SINGLE CRYSTAL DIAMOND AND METHOD FOR SYNTHESIZING SINGLE CRYSTAL DIAMOND, AND DIAMOND JEWELRY

Document Type and Number:

WIPO Patent Application WO/2005/035174

Kind Code:

A1

Abstract:

Various types of diamond tools are provided by utilizing the fact that a synthetic single crystal diamond for use in a tool having a nitrogen content of 3 ppm or less exhibits an enhanced hardness in (100) face <111> direction and simultaneously the reduction in defects. The above synthetic single crystal diamond is synthesized by the temperature difference method under an ultra high pressure and high temperature condition and contains, in its crystals, nickel atoms intruded in a way of atom substitution type or boron and nickel atoms intruded in a way of atom substitution type.

More Like This:

WO/2008/101263	DRESSING TOOL
JP2009512569	Aperture adjustment brush for chemical mechanical polishing system
JP2016013615	DEVICE AND METHOD FOR FINISH GRINDING

Inventors:

SUMIYA HITOSHI (JP)
KOBAYASHI YUTAKA (JP)
KAWATE KATSUYUKI (JP)
NAKASHIMA TAKERU (JP)

Application Number:

PCT/JP2004/014910

Publication Date:

April 21, 2005

Filing Date:

October 08, 2004

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO ELEC HARDMETAL CORP (JP)
SUMIYA HITOSHI (JP)
KOBAYASHI YUTAKA (JP)
KAWATE KATSUYUKI (JP)
NAKASHIMA TAKERU (JP)

International Classes:

B24B53/12; C30B29/04; (IPC1-7): B23B27/20; B23B27/14; B24B53/12; C30B29/04

Foreign References:

JPH07116494A	1995-05-09
JPH03217226A	1991-09-25
JPH11300194A	1999-11-02
JPH11100297A	1999-04-13
JP2003137686A	2003-05-14
JPH0558786A	1993-03-09

Other References: