JP2007523819A - 単結晶化学蒸着ダイヤモンドの焼なまし - Google Patents
単結晶化学蒸着ダイヤモンドの焼なまし Download PDFInfo
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
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- C23C16/274—Diamond only using microwave discharges
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
- C23C16/27—Diamond only
- C23C16/277—Diamond only using other elements in the gas phase besides carbon and hydrogen; using other elements besides carbon, hydrogen and oxygen in case of use of combustion torches; using other elements besides carbon, hydrogen and inert gas in case of use of plasma jets
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
- C23C16/27—Diamond only
- C23C16/279—Diamond only control of diamond crystallography
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- C—CHEMISTRY; METALLURGY
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- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/10—Heating of the reaction chamber or the substrate
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- C—CHEMISTRY; METALLURGY
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- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/10—Heating of the reaction chamber or the substrate
- C30B25/105—Heating of the reaction chamber or the substrate by irradiation or electric discharge
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/04—Diamond
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/60—Solid state media
- G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
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Abstract
Description
本発明は、国立科学財団(National Science Foundation)からの付与番号EAR〜0135626のもとに米国政府の支持を受けて為された。米国政府は、本発明に一定の権利を有する。
単結晶CVDダイヤモンドを、ワシントンのカーネギー研究所(Carnegie Institution)にて黄色のIb型HPHT合成ダイヤモンド上に約1500度Cの温度で5%のN2/CH4比を用いて成長させた。単結晶ダイヤモンドCVDダイヤモンドの寸法は、1センチメートル四方で厚さが1ミリメートルより僅かに厚かった。単結晶ダイヤモンドCVDダイヤモンドの色は、褐色であった。次いで、Ib型HPHT合成種晶ダイヤモンド上の褐色単結晶CVDダイヤモンドを、反応容器内に試料として入れた。
焼なまし条件を1時間維持したことを除いては上記の実施例1と同じであった。暗褐色単結晶CVDダイヤモンドは、実施例1でできた淡い緑色よりも半透明である淡い緑色に変わり、黄色Ib型HPHT合成ダイヤモンドにしっかり接着したままであった。Ib型HPHT合成ダイヤモンドの黄色は、より淡い黄色又はより半透明の黄色になった。
単結晶CVDダイヤモンドを、ワシントンのカーネギー研究所にて黄色の合成Ib型ダイヤモンド上に約1450度Cの温度で5%のN2/CH4比を用いて成長させた。単結晶ダイヤモンドCVDダイヤモンドの寸法は、1センチメートル四方で厚さが1ミリメートルより僅かに厚かった。単結晶ダイヤモンドCVDダイヤモンドの色は、淡い褐色または黄色であった。言い換えると、上記実施例1における単結晶CVDダイヤモンドの褐色ほど暗くはない淡い褐色であった。次いで、Ib型HPHT合成種晶ダイヤモンド上の黄色または淡い褐色単結晶CVDダイヤモンドを、反応容器内に試料として入れた。
無色のマイクロ波プラズマ単結晶CVD成長ダイヤモンドをN2/CH4=5%の雰囲気下で〜1200度Cの温度で焼なまししたことを除いては実施例1と同じであった。焼なましした後、マイクロ波プラズマ単結晶CVD成長ダイヤモンドは青色であった。この青色のマイクロ波プラズマ単結晶CVD成長ダイヤモンドは、>20 MPa m1/2の非常に高い靱性(toughness)を有した。硬さ(hardness)は、約〜140 GPaであった。
無色のマイクロ波プラズマ単結晶CVD成長ダイヤモンドをN2/CH4=.5%の雰囲気下で〜1200度Cの温度で焼なまししたことを除いては実施例1と同じであった。マイクロ波プラズマ単結晶CVD成長ダイヤモンドは、依然として無色であった。この無色のマイクロ波プラズマ単結晶CVD成長ダイヤモンドは、〜160 GPaの硬さおよび〜10 MPa m1/2の靱性を有した。
Claims (9)
- CVDダイヤモンドをダイヤモンド安定相外の少なくとも1500度Cの設定温度および少なくとも4.0 GPaの圧に上げることにより、CVDダイヤモンドが単結晶CVDダイヤモンドであるCVDダイヤモンドの光学的透明度を改善する方法。
- CVDダイヤモンドが別の材料上の単結晶被覆物である、請求項1の方法。
- 単結晶CVDダイヤモンドの温度を上げる工程が、単結晶CVDダイヤモンドを約1800度Cから約2900度Cの設定温度に上げる工程を更に含む、請求項1の方法。
- 単結晶CVDダイヤモンドの温度を上げる工程が、単結晶CVDダイヤモンドの温度を設定温度で約1分未満にわたり維持する工程を更に含む、請求項1の方法。
- 単結晶CVDダイヤモンドの温度を上げる工程が、約1分から5分の間にわたり単結晶CVDダイヤモンドの温度を少なくとも1500度Cに上げる工程を更に含む、請求項1の方法。
- 単結晶CVDダイヤモンドの温度を上げる工程が、約5.0 GPaの圧でCVDダイヤモンドの温度を約2200度Cに上げる工程を含む、請求項1の方法。
- 設定温度に達した後、単結晶CVDダイヤモンド上の圧を維持しながらCVDの温度を環境温度に下げる工程を更に含む、請求項1の方法。
- 単結晶CVDダイヤモンドが、初めに茶色であり、そして無色になる、請求項1の方法。
- 4−5%N2/CH4を含む雰囲気下で約1400〜1460度Cの温度で単結晶褐色ダイヤモンドを成長させる工程を更に含む、請求項1の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US48643503P | 2003-07-14 | 2003-07-14 | |
US60/486,435 | 2003-07-14 | ||
PCT/US2004/022612 WO2005007937A2 (en) | 2003-07-14 | 2004-07-14 | Annealing single crystal chemical vapor deposition diamonds |
Publications (3)
Publication Number | Publication Date |
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JP2007523819A true JP2007523819A (ja) | 2007-08-23 |
JP2007523819A5 JP2007523819A5 (ja) | 2011-09-22 |
JP4846578B2 JP4846578B2 (ja) | 2011-12-28 |
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Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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JP2006520305A Active JP4846578B2 (ja) | 2003-07-14 | 2004-07-14 | 単結晶化学蒸着ダイヤモンドの焼なまし |
JP2006520303A Pending JP2007531679A (ja) | 2003-07-14 | 2004-07-14 | 強靭なダイヤモンド及びその製法 |
JP2006520304A Active JP4960090B2 (ja) | 2003-07-14 | 2004-07-14 | 極度に硬いダイヤモンド及びその製法 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006520303A Pending JP2007531679A (ja) | 2003-07-14 | 2004-07-14 | 強靭なダイヤモンド及びその製法 |
JP2006520304A Active JP4960090B2 (ja) | 2003-07-14 | 2004-07-14 | 極度に硬いダイヤモンド及びその製法 |
Country Status (14)
Country | Link |
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US (7) | US7157067B2 (ja) |
EP (3) | EP1663866A4 (ja) |
JP (3) | JP4846578B2 (ja) |
KR (3) | KR101111690B1 (ja) |
CN (3) | CN100402421C (ja) |
AU (3) | AU2004258193B2 (ja) |
BR (3) | BRPI0412647A (ja) |
CA (3) | CA2532227A1 (ja) |
HK (3) | HK1093334A1 (ja) |
IL (4) | IL173102A0 (ja) |
RU (3) | RU2323281C2 (ja) |
TW (3) | TWI371506B (ja) |
WO (3) | WO2005007937A2 (ja) |
ZA (3) | ZA200600883B (ja) |
Families Citing this family (26)
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AU2003259418A1 (en) * | 2002-09-06 | 2004-03-29 | Element Six Limited | Coloured diamond |
US7157067B2 (en) * | 2003-07-14 | 2007-01-02 | Carnegie Institution Of Washington | Tough diamonds and method of making thereof |
EP1953273A3 (en) * | 2003-12-12 | 2011-10-12 | Element Six Limited | Method of incorporating a mark in CVD diamond |
CN101023028A (zh) * | 2004-09-10 | 2007-08-22 | 华盛顿卡内基研究所 | 超硬cvd单晶金刚石及其三维生长 |
JP5002982B2 (ja) * | 2005-04-15 | 2012-08-15 | 住友電気工業株式会社 | 単結晶ダイヤモンドの製造方法 |
US8641999B2 (en) * | 2005-07-11 | 2014-02-04 | SCIO Diamond Technology Corporation | Carbon grit |
TWI410538B (zh) * | 2005-11-15 | 2013-10-01 | Carnegie Inst Of Washington | 建基於以快速生長速率製造之單晶cvd鑽石的新穎鑽石的用途/應用 |
JP5284575B2 (ja) * | 2006-10-31 | 2013-09-11 | 住友電気工業株式会社 | ダイヤモンド単結晶及びその製造方法 |
WO2009045445A1 (en) * | 2007-10-02 | 2009-04-09 | Carnegie Institution Of Washington | Low pressure method annealing diamonds |
WO2009114130A2 (en) | 2008-03-13 | 2009-09-17 | Michigan State University | Process and apparatus for diamond synthesis |
EP2286459A4 (en) * | 2008-05-05 | 2014-03-12 | Carnegie Inst Of Washington | ULTRA-RESISTANT BORDOTIC CRYSTAL DIAMOND |
US20100028556A1 (en) * | 2008-05-09 | 2010-02-04 | Apollo Diamond Gemstone Corporation | Chemical vapor deposition colored diamond |
EP2376681B1 (en) * | 2008-11-25 | 2014-06-11 | Carnegie Institution Of Washington | Production of single crystal cvd diamond rapid growth rate |
US20100192474A1 (en) * | 2009-01-30 | 2010-08-05 | Lehigh University | Ultrahard stishovite nanoparticles and methods of manufacture |
TR201816224T4 (tr) * | 2009-06-26 | 2018-11-21 | Element Six Tech Ltd | Fantezi soluk mavi veya fantezi soluk mavi/yeşil tek kristalli CVD elmas yapmak için usul ve elde edilen ürün. |
US9255009B2 (en) * | 2009-06-26 | 2016-02-09 | Element Six Technologies Limited | Diamond material |
CN101705478B (zh) * | 2009-12-04 | 2011-06-01 | 北京科技大学 | 一种提高自支撑金刚石膜强度的方法 |
US9023307B2 (en) | 2010-05-17 | 2015-05-05 | Carnegie Institution Of Washington | Production of large, high purity single crystal CVD diamond |
SG179318A1 (en) * | 2010-09-27 | 2012-04-27 | Gemesis Company S Pte Ltd | Method for growing white color diamonds by using diborane and nitrogen in combination in a microwave plasma chemical vapor deposition system |
GB201121642D0 (en) | 2011-12-16 | 2012-01-25 | Element Six Ltd | Single crtstal cvd synthetic diamond material |
GB201205743D0 (en) * | 2012-03-30 | 2012-05-16 | Element Six Ltd | Pressure cartridge |
JP5527628B2 (ja) * | 2012-04-09 | 2014-06-18 | 住友電気工業株式会社 | ダイヤモンド単結晶 |
US9469918B2 (en) | 2014-01-24 | 2016-10-18 | Ii-Vi Incorporated | Substrate including a diamond layer and a composite layer of diamond and silicon carbide, and, optionally, silicon |
US11753740B2 (en) * | 2019-11-18 | 2023-09-12 | Shin-Etsu Chemical Co., Ltd. | Diamond substrate and method for manufacturing the same |
CN111778553A (zh) * | 2020-07-29 | 2020-10-16 | 哈尔滨工业大学 | 用于提升cvd单晶金刚石品质的籽晶连续减薄等离子体退火方法 |
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