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Title:
CONDUCTIVE DIAMOND PARTICLES, CONDUCTIVE DIAMOND ELECTRODE, AND TESTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/088229
Kind Code:
A1
Abstract:
Provided are conductive diamond particles including: particulate bases; and boron-doped diamond films on at least part of surfaces of the particulate bases, wherein an average particle diameter of the conductive diamond particles is greater than 0.5 micrometers, and wherein in Raman spectrum measurement of the conductive diamond particles at an excitation wavelength of 532 micrometers, a ratio of an intensity of the conductive diamond particles at 1,580 cm－1 to an intensity of the conductive diamond particles at 1,332 cm－1 is less than 0.090.

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Inventors:
KONDO TAKESHI (JP)
NAKAJIMA KEITO (JP)
AIKAWA TATSUO (JP)
YUASA MAKOTO (JP)
OSASA TAKAHIRO (JP)
KOTSUGAI AKIHIRO (JP)
Application Number:
PCT/JP2017/038760
Publication Date:
May 17, 2018
Filing Date:
October 26, 2017
Export Citation:
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Assignee:
RICOH CO LTD (JP)
UNIV TOKYO SCIENCE FOUND (JP)
KONDO TAKESHI (JP)
NAKAJIMA KEITO (JP)
AIKAWA TATSUO (JP)
YUASA MAKOTO (JP)
OSASA TAKAHIRO (JP)
KOTSUGAI AKIHIRO (JP)
International Classes:
C01B32/26; C23C16/27; C25B11/12; G01N27/30
Foreign References:
US5672382A1997-09-30
JP2013076130A2013-04-25
JPH0517119A1993-01-26
US20030001498A12003-01-02
Other References:
A. E. FISCHER ET AL.: "Preparation and Characterization of Boron-Doped Diamond Powder", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 152, no. 9, 2005, pages B369 - B375, XP055485302
A. AY ET AL.: "The Physicochemical and Electrochemical Properties of 100 and 500 nm Diameter Diamond Powders Coated with Boron-Doped Nanocrystalline Diamond", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 155, no. 10, 2008, pages B1013 - B1022, XP055343769
See also references of EP 3538485A4
Attorney, Agent or Firm:
HIROTA, Koichi (JP)
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