JP2022522223A - SiC素材及びその製造方法 - Google Patents
SiC素材及びその製造方法 Download PDFInfo
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Abstract
Description
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度+(311) 面のピーク強度)/(111)面のピーク強度
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度)/(111)面のピーク強度
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度+(311)面のピーク強度)/(111)面のピーク強度
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度)/(111)面のピーク強度
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度+(311)面のピーク強度)/(111)面のピーク強度
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度)/(111)面のピーク強度
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度+(311) 面のピーク強度)/(111)面のピーク強度
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度)/(111)面のピーク強度
基板上にSiC層(2mmの厚さ)をCVD法に基づいて蒸着し、0.5μm~3μmの結晶粒の大きさ(平均結晶粒の大きさ:0.82μm、ASTM E112測定方法適用)を有するSiC層が形成されたCVD SiC素材を製造した。
基板上にSiC層(2mmの厚さ)をCVD法に基づいて蒸着し、0.5μm~3μmの結晶粒の大きさ(平均結晶粒の大きさ:2.2μm、ASTM E112測定方法適用)を有するSiC層が形成されたCVD SiC素材を製造した。
基板上にSiC層(2mmの厚さ)をCVD法に基づいて蒸着し、3μm~15μmの結晶粒の大きさ(平均結晶粒の大きさ:7.4μm、ASTM E112測定方法適用)を有するSiC層が形成されたCVD SiC素材を製造した。
基板上にSiC層(2mmの厚さ)をCVD法に基づいて蒸着し、3μm~15μmの結晶粒の大きさ(平均結晶粒の大きさ:9.07μm、ASTM E112測定方法適用)を有するSiC層が形成されたCVD SiC素材を製造した。
実施形態2及び比較例1のCVD SiC素材のSEM及びXRDを測定して図1(図1A及び図1B、実施形態2)、図2(図2A及び図2B、比較例1)に示した。
実施形態及び比較例により製造されたCVD SiC素材の熱伝導度を測定して図3及び表1に示した。CVD SiC素材の粒度は、ASTM E122の方法に基づいて測定した。熱伝導度は、「NETZSCH社、モデル名LFA 447 NanoFlash」の分線装備を用いてKS規格を基準にして試験片を準備して測定した。
Claims (18)
- 平均結晶粒の大きさが3.5μm以下であり、X線回折分析で(111)面優先成長である低熱伝導度領域を含むSiC層を含む、SiC素材。
- 前記低熱伝導度領域の平均結晶粒の大きさは、0.5μm~3.5μmである、請求項1に記載のSiC素材。
- 前記低熱伝導度領域は、下記の式(1)により算出されるX線回折分析の回折強度比(I)が0.5以下である、請求項1に記載のSiC素材。
(式1)
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度+(311) 面のピーク強度)/(111)面のピーク強度 - 前記低熱伝導度領域は、下記の式(2)により算出されるX線回折分析の回折強度比(I)が0.5以下である、請求項1に記載のSiC素材。
(式2)
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度)/(111)面のピーク強度 - 前記回折強度比(I)は0.001~0.3である、請求項3又は4に記載のSiC素材。
- 前記低熱伝導度領域の熱伝導度は200W/mk以下である、請求項1に記載のSiC素材。
- 前記低熱伝導度領域は、CVD法に基づいて蒸着される、請求項1に記載のSiC素材。
- 前記SiC素材は、半導体非メモリ製造用プラズマ処理装置に用いられる部品の素材である、請求項1に記載のSiC素材。
- 前記SiC素材はウェハー載置用リングであり、
前記低熱伝導度領域は、ウェハーが載置される領域に形成される、請求項1に記載のSiC素材。 - 前記低熱伝導度領域の温度偏差は1℃以下である、請求項1に記載のSiC素材。
- 前記低熱伝導度領域は、前記SiC層の面積の50%以上及び100%未満で形成される、請求項1に記載のSiC素材。
- 前記SiC層の厚さは2mm以上である、請求項1に記載のSiC素材。
- 平均結晶粒の大きさが3.5μm以下であり、X線回折分析で(111)面優先成長であるSiC層を含む、SiC素材。
- 前記SiC層の熱伝導度は200W/mk以下である、請求項13に記載のSiC素材。
- 前記SiC層は、下記の式(1)により算出されるX線回折分析の回折強度比(I)が0.5以下である、請求項13に記載のSiC素材。
(式1)
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度+(311) 面のピーク強度)/(111)面のピーク強度 - 前記SiC層は、下記の式(2)により算出されるX線回折分析の回折強度比(I)が0.5以下である、請求項13に記載のSiC素材。
(式2)
回折強度比(I)=((200)面のピーク強度+(220)面のピーク強度)/(111)面のピーク強度 - 前記SiC層の厚さは2mm以上である、請求項13に記載のSiC素材。
- 基板を準備するステップと、
前記基板上にCVD法を用いてSiC層を形成するステップと、
を含み、
前記SiC層は、平均結晶粒の大きさが3.5μm以下であり、X線回折分析で(111)面優先成長である低熱伝導度領域が少なくとも一部に形成される、SiC素材の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020190045602A KR102183258B1 (ko) | 2019-04-18 | 2019-04-18 | SiC 소재 및 이의 제조방법 |
KR10-2019-0045602 | 2019-04-18 | ||
PCT/KR2020/004075 WO2020213847A1 (ko) | 2019-04-18 | 2020-03-25 | Sic 소재 및 이의 제조방법 |
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JP2022522223A true JP2022522223A (ja) | 2022-04-14 |
JP7430199B2 JP7430199B2 (ja) | 2024-02-09 |
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JP2021559358A Active JP7430199B2 (ja) | 2019-04-18 | 2020-03-25 | SiC素材及びその製造方法 |
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JPH1179846A (ja) * | 1997-09-01 | 1999-03-23 | Tokai Carbon Co Ltd | 炭化珪素成形体 |
JPH11106298A (ja) * | 1997-09-30 | 1999-04-20 | Tokai Carbon Co Ltd | SiCダミーウエハ |
JPH11199323A (ja) * | 1998-01-14 | 1999-07-27 | Tokai Carbon Co Ltd | ダミーウエハ |
JP2000355779A (ja) * | 1999-04-07 | 2000-12-26 | Ngk Insulators Ltd | エッチング装置用耐蝕部品 |
JP2002003285A (ja) * | 2000-06-20 | 2002-01-09 | Tokai Carbon Co Ltd | SiC被覆黒鉛部材およびその製造方法 |
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US5792372A (en) | 1987-01-30 | 1998-08-11 | Baxter International, Inc. | Enhanced yield collection systems and methods for obtaining concentrated platelets from platelet-rich plasma |
US5879450A (en) * | 1997-08-13 | 1999-03-09 | City University Of Hong Kong | Method of heteroepitaxial growth of beta silicon carbide on silicon |
US6562183B1 (en) | 1999-04-07 | 2003-05-13 | Ngk Insulators, Ltd. | Anti-corrosive parts for etching apparatus |
US8409351B2 (en) * | 2007-08-08 | 2013-04-02 | Sic Systems, Inc. | Production of bulk silicon carbide with hot-filament chemical vapor deposition |
KR101788905B1 (ko) * | 2010-12-24 | 2017-10-20 | 도요탄소 가부시키가이샤 | 단결정 탄화규소 에피택셜 성장용 피드재 및 단결정 탄화규소의 에피택셜 성장 방법 |
JP5267709B2 (ja) * | 2011-09-14 | 2013-08-21 | 株式会社豊田中央研究所 | 高耐熱部材、その製造方法、黒鉛ルツボおよび単結晶インゴットの製造方法 |
JP2016204735A (ja) * | 2015-04-28 | 2016-12-08 | イビデン株式会社 | セラミック構造体およびセラミック構造体の製造方法 |
US10273190B2 (en) * | 2015-09-03 | 2019-04-30 | Sumitomo Osaka Cement Co., Ltd. | Focus ring and method for producing focus ring |
KR101866869B1 (ko) | 2016-08-18 | 2018-06-14 | 주식회사 티씨케이 | SiC 소재 및 SiC 복합 소재 |
KR20180071695A (ko) * | 2016-12-20 | 2018-06-28 | 주식회사 티씨케이 | 층간 경계를 덮는 증착층을 포함하는 반도체 제조용 부품 및 그 제조방법 |
CN106835071A (zh) * | 2017-01-23 | 2017-06-13 | 武汉理工大学 | 一种cvd碳化硅材料的制备方法 |
JP2019068038A (ja) | 2017-05-19 | 2019-04-25 | 日東電工株式会社 | 半導体焼結体、電気・電子部材、及び半導体焼結体の製造方法 |
JP6832800B2 (ja) * | 2017-06-21 | 2021-02-24 | 東京エレクトロン株式会社 | プラズマ処理装置 |
KR102183258B1 (ko) * | 2019-04-18 | 2020-11-26 | 주식회사 티씨케이 | SiC 소재 및 이의 제조방법 |
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Patent Citations (5)
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JPH1179846A (ja) * | 1997-09-01 | 1999-03-23 | Tokai Carbon Co Ltd | 炭化珪素成形体 |
JPH11106298A (ja) * | 1997-09-30 | 1999-04-20 | Tokai Carbon Co Ltd | SiCダミーウエハ |
JPH11199323A (ja) * | 1998-01-14 | 1999-07-27 | Tokai Carbon Co Ltd | ダミーウエハ |
JP2000355779A (ja) * | 1999-04-07 | 2000-12-26 | Ngk Insulators Ltd | エッチング装置用耐蝕部品 |
JP2002003285A (ja) * | 2000-06-20 | 2002-01-09 | Tokai Carbon Co Ltd | SiC被覆黒鉛部材およびその製造方法 |
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WO2020213847A1 (ko) | 2020-10-22 |
KR20200122648A (ko) | 2020-10-28 |
CN113424298A (zh) | 2021-09-21 |
US20220148907A1 (en) | 2022-05-12 |
TW202039914A (zh) | 2020-11-01 |
TWI747238B (zh) | 2021-11-21 |
SG11202110438WA (en) | 2021-10-28 |
CN113424298B (zh) | 2022-09-20 |
JP7430199B2 (ja) | 2024-02-09 |
KR102183258B1 (ko) | 2020-11-26 |
US11658060B2 (en) | 2023-05-23 |
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