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公开(公告)号：EP4357490A1
公开(公告)日：2024-04-24
申请号：EP22824699.7
申请日：2022-05-02
发明人： SUMIYA, Hitoshi , LEE, Jin Hwa , TERAMOTO, Minori
CPC分类号： B23B27/14 , B23B27/20 , C30B9/10 , C30B29/04 , C30B33/04 , C30B31/06 , B01J3/062 , B01J19/081 , B01J19/085 , B01J19/084
摘要： A synthetic single crystal diamond that includes nitrogen atoms at a concentration of 50 ppm or more and 1200 ppm or less in terms of number of atoms, wherein an infrared absorption spectrum of the synthetic single crystal diamond has an absorption signal within a wavenumber range of 1460 cm-1 or more and 1470 cm-1 or less.
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公开(公告)号：EP4317545A1
公开(公告)日：2024-02-07
申请号：EP22781144.5
申请日：2022-03-30
发明人： ZUO, Yikang , LEE, Jin Hwa , NISHIBAYASHI, Yoshiki , TERAMOTO, Minori , KOBAYASHI, Yutaka , SUMIYA, Hitoshi
摘要： A single-crystal diamond having an X-ray diffraction rocking curve with a half-width of 20 seconds or less, wherein the half-width of the X-ray diffraction rocking curve is measured with CuKα radiation in a (004) plane parallel arrangement using a diamond crystal as a first crystal in X-ray diffraction by a double-crystal method, a peak at a Raman shift in the range of 1332 cm -1 to 1333 cm -1 in a Raman spectrum has a half-width of 2.0 cm -1 or less, the single-crystal diamond has an etch-pit density of 10,000 /cm 2 or less, the etch-pit density is measured in an etching test, and the single-crystal diamond has a nitrogen content of more than 0.1 ppm and 50 ppm or less based on the number of atoms.
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公开(公告)号：EP4317542A1
公开(公告)日：2024-02-07
申请号：EP22779737.0
申请日：2022-02-28
发明人： SUMIYA, Hitoshi , NISHIBAYASHI, Yoshiki , ZUO, Yikang , LEE, Jin Hwa , TERAMOTO, Minori , KOBAYASHI, Yutaka
摘要： A single-crystal diamond, wherein the single-crystal diamond has an average of a phase difference per unit thickness of 10 nm/mm or less, and the phase difference has a standard deviation of 5 nm/mm or less.
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64.发明公开
公开(公告)号：EP4067540A1
公开(公告)日：2022-10-05
申请号：EP20893776.3
申请日：2020-08-14
发明人： NISHIBAYASHI, Yoshiki , TERAMOTO, Minori , KOBAYASHI, Yutaka , SUMIYA, Hitoshi , SATOH, Issei , TOYOSHIMA, Ryo
摘要： Provided is a synthetic single-crystal diamond containing nitrogen. In an X-ray absorption fine structure thereof, a ratio I 405 /I 412 between an intensity I 405 of a peak which appears at an energy of 405±1 eV and has a full width at 3/4 maximum of 3 eV or more and an intensity I 412 of a peak which appears at an energy of 412±2 eV is less than 1.5
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公开(公告)号：EP3822240A1
公开(公告)日：2021-05-19
申请号：EP21151185.2
申请日：2015-03-16
发明人： SATOH, Takeshi , SUMIYA, Hitoshi
IPC分类号： C04B35/528 , C04B35/645 , B23B27/14 , B23B27/20 , C01B32/25
摘要： A composite sintered body comprising a diamond phase and a non-diamond carbon phase, a non-diamond carbon phase occupancy rate being higher than 0% and not higher than 30%, the non-diamond carbon phase occupancy rate being a percentage of an area of the non-diamond carbon phase to a total area of one arbitrarily specified cross section of the composite sintered body.
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公开(公告)号：EP3369705B1
公开(公告)日：2020-09-30
申请号：EP16859533.8
申请日：2016-10-07
发明人： SUMIYA, Hitoshi , SATO, Takeshi
IPC分类号： C04B35/645 , C04B35/528 , C09K3/14 , C01B32/26
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公开(公告)号：EP3369492B1
公开(公告)日：2020-09-02
申请号：EP16859654.2
申请日：2016-10-19
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公开(公告)号：EP2239228B1
公开(公告)日：2020-06-24
申请号：EP09707959.4
申请日：2009-02-05
IPC分类号： B05B1/02 , B23B27/20 , C01B32/25 , B82Y30/00 , C03B33/10 , C04B35/528 , C04B35/645 , B26F3/00
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公开(公告)号：EP2848716B1
公开(公告)日：2019-12-25
申请号：EP14792151.4
申请日：2014-04-16
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