JP2018048053A - SiC単結晶成長用坩堝 - Google Patents
SiC単結晶成長用坩堝 Download PDFInfo
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- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
- C30B23/02—Epitaxial-layer growth
- C30B23/06—Heating of the deposition chamber, the substrate or the materials to be evaporated
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- C23C14/0635—Carbides
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/243—Crucibles for source material
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- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
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Abstract
【解決手段】このSiC単結晶成長用坩堝は、内部に単結晶設置部と、原料設置部とを有し、昇華法によりSiC単結晶を得るための坩堝であって、前記単結晶設置部を基準に前記原料設置部側に位置する第1領域を形成する前記坩堝の第1壁のガス透過度は、前記単結晶設置部を基準に前記原料設置部と反対側に位置する第2領域を形成する前記坩堝の第2壁のガス透過度より低い。
【選択図】図1
Description
すなわち、本発明は、上記課題を解決するため、以下の手段を提供する。
[第1実施形態]
図1は、第1実施形態にかかるSiC単結晶成長用坩堝の断面を模式的に示した断面図である。図1では、理解を容易にするために、単結晶SとSiC原料Gを同時に図示している。
一つは単結晶設置部1を基準に原料設置部2側に形成された第1領域R1であり、もう一つは、単結晶設置部1を基準に原料設置部2と反対側に形成された第2領域R2である。
図4は、第2実施形態にかかるSiC単結晶成長用坩堝の断面を模式的に示した断面模式図である。第2実施形態にかかるSiC単結晶成長用坩堝14は、第1領域R1と第2領域R2とを区切る隔壁が、単結晶設置部1から原料設置部2に向かって拡径するテーパーガイド4である点が、第1実施形態に係るSiC単結晶成長用坩堝10と異なる。その他の構成は、上述のSiC単結晶成長用坩堝10と同一であり、同一の符号を付している。
図5は、第3実施形態にかかるSiC単結晶成長用坩堝の断面を模式的に示した断面模式図である。第3実施形態にかかるSiC単結晶成長用坩堝15は、第1壁W11がガス遮蔽部材を有さず、第1壁W11の厚みが第2壁W12の厚みより厚い点が、第1実施形態に係るSiC単結晶成長用坩堝10と異なる。その他の構成は、上述のSiC単結晶成長用坩堝10と同一であり、同一の符号を付している。
図6は、第4実施形態にかかるSiC単結晶成長用坩堝の断面を模式的に示した断面模式図である。第4実施形態にかかるSiC単結晶成長用坩堝16は、第1壁W21がガス遮蔽部材を有さず、第1壁W21の密度が第2壁W22の密度より高い点が、第1実施形態に係るSiC単結晶成長用坩堝10と異なる。その他の構成は、上述のSiC単結晶成長用坩堝10と同一であり、同一の符号を付している。
Claims (8)
- 内部に単結晶設置部と、原料設置部とを有し、昇華法によりSiC単結晶を得るための坩堝であって、
前記単結晶設置部を基準に前記原料設置部側に位置する第1領域を形成する前記坩堝の第1壁のガス透過度は、前記単結晶設置部を基準に前記原料設置部と反対側に位置する第2領域を形成する前記坩堝の第2壁のガス透過度より低い、SiC単結晶成長用坩堝。 - 前記第1壁のガス透過度は、前記第2壁のガス透過度の90%以下である請求項1に記載のSiC単結晶成長用坩堝。
- 前記第1壁の一部がガス遮蔽部材を有する請求項1又は2のいずれかに記載のSiC単結晶成長用坩堝。
- 前記ガス遮蔽部材が、前記第1壁の内部又は外周に設けられている請求項3に記載のSiC単結晶成長用坩堝。
- 前記ガス遮蔽部材が、金属、金属炭化物、グラッシーカーボンのいずれかである請求項3又は4のいずれかに記載のSiC単結晶成長用坩堝。
- 前記第1壁の厚みが、前記第2壁の厚みより厚い請求項1〜5のいずれか一項に記載のSiC単結晶成長用坩堝。
- 前記第1壁の密度が、前記第2壁の密度より高い請求項1〜6のいずれか一項に記載のSiC単結晶成長用坩堝。
- 前記第1領域と前記第2領域とを区切る隔壁が、前記単結晶設置部から前記原料設置部に向かって拡径するテーパーガイドである請求項1〜7のいずれか一項に記載のSiC単結晶成長用坩堝。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016185952A JP2018048053A (ja) | 2016-09-23 | 2016-09-23 | SiC単結晶成長用坩堝 |
US16/335,796 US20200017990A1 (en) | 2016-09-23 | 2017-07-31 | SiC-MONOCRYSTAL GROWTH CRUCIBLE |
PCT/JP2017/027672 WO2018055917A1 (ja) | 2016-09-23 | 2017-07-31 | SiC単結晶成長用坩堝 |
CN201780057604.1A CN109715868A (zh) | 2016-09-23 | 2017-07-31 | SiC单晶生长用坩埚 |
DE112017004785.4T DE112017004785T5 (de) | 2016-09-23 | 2017-07-31 | SiC-Einkristallwachstumstiegel |
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JP2016185952A JP2018048053A (ja) | 2016-09-23 | 2016-09-23 | SiC単結晶成長用坩堝 |
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JP2016185952A Pending JP2018048053A (ja) | 2016-09-23 | 2016-09-23 | SiC単結晶成長用坩堝 |
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US (1) | US20200017990A1 (ja) |
JP (1) | JP2018048053A (ja) |
CN (1) | CN109715868A (ja) |
DE (1) | DE112017004785T5 (ja) |
WO (1) | WO2018055917A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11104102B2 (en) | 2019-11-26 | 2021-08-31 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Heat-resistant member |
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CN113652751B (zh) * | 2021-08-19 | 2022-04-19 | 福建北电新材料科技有限公司 | 晶体生长装置和晶体生长方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007230846A (ja) * | 2006-03-03 | 2007-09-13 | Matsushita Electric Ind Co Ltd | 単結晶製造装置用坩堝 |
JP2011219336A (ja) * | 2010-04-14 | 2011-11-04 | Denso Corp | 炭化珪素単結晶の製造方法および製造装置 |
JP2013166672A (ja) * | 2012-02-16 | 2013-08-29 | Mitsubishi Electric Corp | 単結晶の製造方法および製造装置 |
JP2018030734A (ja) * | 2016-08-22 | 2018-03-01 | 住友電気工業株式会社 | 坩堝 |
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CN102596804A (zh) * | 2009-09-15 | 2012-07-18 | Ii-Vi有限公司 | SiC单晶的升华生长 |
DK2686335T3 (en) | 2011-03-14 | 2018-07-30 | Catalant Pharma Solutions Llc | DECORINE COMPOSITIONS AND APPLICATION THEREOF |
JP2014024703A (ja) * | 2012-07-26 | 2014-02-06 | Sumitomo Electric Ind Ltd | 炭化珪素単結晶の製造方法 |
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- 2016-09-23 JP JP2016185952A patent/JP2018048053A/ja active Pending
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2017
- 2017-07-31 US US16/335,796 patent/US20200017990A1/en not_active Abandoned
- 2017-07-31 CN CN201780057604.1A patent/CN109715868A/zh active Pending
- 2017-07-31 DE DE112017004785.4T patent/DE112017004785T5/de active Granted
- 2017-07-31 WO PCT/JP2017/027672 patent/WO2018055917A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007230846A (ja) * | 2006-03-03 | 2007-09-13 | Matsushita Electric Ind Co Ltd | 単結晶製造装置用坩堝 |
JP2011219336A (ja) * | 2010-04-14 | 2011-11-04 | Denso Corp | 炭化珪素単結晶の製造方法および製造装置 |
JP2013166672A (ja) * | 2012-02-16 | 2013-08-29 | Mitsubishi Electric Corp | 単結晶の製造方法および製造装置 |
JP2018030734A (ja) * | 2016-08-22 | 2018-03-01 | 住友電気工業株式会社 | 坩堝 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11104102B2 (en) | 2019-11-26 | 2021-08-31 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Heat-resistant member |
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DE112017004785T5 (de) | 2019-06-19 |
US20200017990A1 (en) | 2020-01-16 |
CN109715868A (zh) | 2019-05-03 |
WO2018055917A1 (ja) | 2018-03-29 |
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