Title:
SINGLE CRYSTAL DIAMOND AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2022/210936
Kind Code:
A1
Abstract:
Provided is single crystal diamond, wherein the half width of the X-ray diffraction rocking curve is 20 seconds or less, the half width of the peak at the Raman shift of 1332 cm-1 to 1333 cm-1 in the Raman spectrum is 2.0 cm-1 or less, the etch pit density is 10000 /cm-2 or less, the nitrogen content in terms of the number of atoms is 0.0001-0.1 ppm, and the 13C content in terms of the number of atoms is less than 0.01%.
Inventors:
ZUO YIKANG (JP)
LEE JIN HWA (JP)
NISHIBAYASHI YOSHIKI (JP)
KOBAYASHI YUTAKA (JP)
TERAMOTO MINORI (JP)
SUMIYA HITOSHI (JP)
LEE JIN HWA (JP)
NISHIBAYASHI YOSHIKI (JP)
KOBAYASHI YUTAKA (JP)
TERAMOTO MINORI (JP)
SUMIYA HITOSHI (JP)
Application Number:
PCT/JP2022/016172
Publication Date:
October 06, 2022
Filing Date:
March 30, 2022
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
C30B11/14; C01B32/26; C30B29/04
Foreign References:
| JPH09165295A | 1997-06-24 | |||
| JP2013202446A | 2013-10-07 | |||
| JP2021061209A | 2021-04-15 | |||
| JPH07116494A | 1995-05-09 | |||
| JPH07148426A | 1995-06-13 | |||
| JPH09165295A | 1997-06-24 |
Other References:
TATSUMI NATSUO: "Research on changing low defect density of high-quality monocrystal diamond devices", OSAKA UNIVERSITY KNOWLEDGE ARCHIVE, 1 January 2018 (2018-01-01), XP055972525, Retrieved from the Internet [retrieved on 20221018], DOI: 10.18910/69586
ANONYMOUS: "New Synthesis Technology for Highly Efficient Conversion of Raw Material Gas into Diamond -World's Highest Carbon Isotope Ratio in Diamond Bulk Crystals", NATIONAL INST. FOR MATERIALS SCIENCE, 7 May 2013 (2013-05-07), XP055973266, Retrieved from the Internet [retrieved on 20221020]
ANONYMOUS: "New Synthesis Technology for Highly Efficient Conversion of Raw Material Gas into Diamond -World's Highest Carbon Isotope Ratio in Diamond Bulk Crystals", NATIONAL INST. FOR MATERIALS SCIENCE, 7 May 2013 (2013-05-07), XP055973266, Retrieved from the Internet
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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