KR20020011860A - SiC 성형체 및 그 제조 방법 - Google Patents
SiC 성형체 및 그 제조 방법 Download PDFInfo
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Abstract
Description
실시예 번호 | 반응온도(℃) | 반응 시간(h) | 원료 가스 | 질소 가스 | SiC 성형체 | ||||
유량(ℓ/분) | 농도(부피%) | 체류시간(초) | 유량(ℓ/분) | 농도(부피%) | 막 두께(mm) | 성막 속도(㎛/h) | |||
2 | 1400 | 75 | 200 | 7.5 | 36.8 | 20 | 10 | 4.2 | 56 |
3 | 1400 | 75 | 200 | 7.5 | 36.8 | 60 | 30 | 3.7 | 49 |
4 | 1400 | 75 | 200 | 7.5 | 36.8 | 180 | 90 | 3.3 | 44 |
5 | 1400 | 75 | 200 | 7.5 | 36.8 | 240 | 120 | 3.0 | 40 |
6 | 1400 | 12 | 1000 | 7.5 | 7.4 | 700 | 70 | 4.7 | 392 |
7 | 1400 | 75 | 67 | 7.5 | 109.8 | 47 | 70 | 1.6 | 21 |
8 | 1400 | 75 | 200 | 5.0 | 36.8 | 140 | 70 | 2.5 | 33 |
9 | 1400 | 40 | 200 | 15.0 | 36.8 | 140 | 70 | 3.6 | 90 |
10 | 1500 | 75 | 200 | 7.5 | 34.7 | 140 | 70 | 4.8 | 64 |
11 | 1150 | 75 | 200 | 7.5 | 43.3 | 140 | 70 | 1.8 | 24 |
실시예번호 | 외관관찰 | 총 불순물 농도(ppb) | 저항율(x 10-4Ωm) | 광투과율(%) | 내열 충격 시험(크랙이 발생한 회수)(회) | 내식 시험(중량 감소량)(중량%) | 비중 |
2 | 양호 | 92 | 30 | 1.05 | 크랙 없슴 | 1.67 | 3.20 |
3 | 양호 | 104 | 10 | 0.40 | 크랙 없슴 | 1.68 | 3.20 |
4 | 양호 | 98 | 1.1 | 0.15 | 크랙 없슴 | 1.80 | 3.19 |
5 | 양호 | 100 | 0.8 | 0.13 | 크랙 없슴 | 1.70 | 3.17 |
6 | 양호 | 138 | 1.1 | 0.05 | 크랙 없슴 | 2.40 | 3.15 |
7 | 양호 | 96 | 1.7 | 0.21 | 크랙 없슴 | 1.65 | 3.20 |
8 | 양호 | 99 | 1.5 | 0.24 | 크랙 없슴 | 1.72 | 3.20 |
9 | 양호 | 110 | 1.2 | 0.16 | 크랙 없슴 | 1.83 | 3.18 |
10 | 양호 | 96 | 1.7 | 0.21 | 크랙 없슴 | 1.65 | 3.17 |
11 | 양호 | 138 | 1.1 | 0.09 | 크랙 없슴 | 2.40 | 3.19 |
<주> 내열 충격 시험: 실시예 6 내지 7의 시험재의 두께는 1.5 mm임 |
실시예 번호 | 질소 이탈 시험(R-T 곡선 변화) | 1000℃ 히트 시험(각 점의 온도 분포 ±%) |
2 | 없음 | 0.3 |
3 | 없음 | 0.2 |
4 | 없음 | 0.1 |
5 | 없음 | 0.1 |
6 | 없음 | 0.1 |
7 | 없음 | 0.1 |
8 | 없음 | 0.1 |
9 | 없음 | 0.2 |
10 | 없음 | 0.1 |
11 | 없음 | 0.1 |
비교예 번호 | 반응온도(℃) | 반응시간(h) | 원료 가스 | 질소 가스 | SiC 성형체 | ||||
유량(ℓ/분) | 농도(부피%) | 체류시간(초) | 유량(ℓ/분) | 농도(부피%) | 막 두께(mm) | 성막속도(㎛/h) | |||
1 | 1400 | 75 | 200 | 7.5 | 36.8 | 10 | 5 | 4.2 | 56 |
2 | 1400 | 75 | 200 | 7.5 | 36.8 | 260 | 130 | 2.8 | 37 |
3 | 1400 | 10 | 1200 | 7.5 | 6.1 | 840 | 70 | 4.6 | 460 |
4 | 1400 | 100 | 60 | 7.5 | 122.6 | 42 | 70 | 1.6 | 16 |
5 | 1400 | 75 | 200 | 4.0 | 36.8 | 140 | 70 | 2.2 | 29 |
6 | 1400 | 35 | 200 | 17.0 | 36.8 | 140 | 70 | 3.6 | 103 |
7 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
8 | 1400 | 2.5 | 200 | 7.5 | 36.8 | 0 | -- | 0.1 | 40 |
비교예 번호 | 외관관찰 | 총 불순물 농도(ppb) | 저항율(x 10-4Ωm) | 광투과율(%) | 내열 충격 시험(크랙이 발생한 회수)(회) | 내식 시험(중량 감소량)(중량%) | 비중 |
1 | 양호 | 103 | 100 | 2.3 | 크랙 없슴 | 1.72 | 3.20 |
2 | 요철 있슴 | 143 | 0.8 | 0.05 | 3 | 1.59 | 3.12 |
3 | 요철 있슴 | 380 | 0.9 | 0.14 | 2 | 2.99 | 3.13 |
4 | 양호 | 108 | 1.9 | 0.25 | 크랙 없슴 | 1.58 | 3.20 |
5 | 양호 | 94 | 1.8 | 0.27 | 크랙 없슴 | 1.60 | 3.20 |
6 | 요철 있슴 | 139 | 1.3 | 0.20 | 5 | 2.81 | 3.12 |
7 | 요철 있슴 | 4000 | 1 | 0.05 | 2 | 6.88 | 3.10 |
8 | 요철 있슴 | 143 | 1 | 0.05 | 4(막 이탈) | 1.94 | 3.10 |
<주> 내충격 시험: 비교예 2, 4, 5의 시험재 두께는 1.5 mm임 |
비교예 번호 | 질소 이탈 시험(R-T 곡선 변화) | 1000℃ 히트 시험(각 점의 온도 분포 ±%) |
1 | 없음 | 1.0 |
2 | 없음 | 1.1 |
3 | 약간 있음 | 0.7 |
4 | 없음 | 0.2 |
5 | 없음 | 0.4 |
6 | 약간 있음 | 0.6 |
7 | 없음 | 1.2 |
8 | 없음 | 1.0 |
Claims (2)
- 원료 가스와 함께 질소 가스를 사용하여 CVD법에 의해 제조되는 SiC 성형체로서, 비중이 3.15 이상, 광 투과율이 1.1∼0.05%, 저항율이 3 ×10-3∼10-5Ωm인 것을 특징으로 하는 SiC 성형체.
- 반응실 내에 원료 가스, 캐리어 가스와 함께 질소 가스를 도입하여 CVD법에 의해 기재의 표면에 SiC를 성막한 후, 기재를 제거하여 SiC 성형체를 제조하는 방법에 있어서, 기재를 설치한 CVD 반응실 내에 도입하는 원료 가스의 농도(원료 가스 유량(ℓ/분)/캐리어 가스 유량(ℓ/분))를 5∼15 부피%, 질소 가스의 농도(질소 가스 유량(ℓ/분)/원료 가스 유량(ℓ/분))를 10∼120 부피%로 하는 동시에, 이하에 규정되는 원료 가스의 체류 시간을 7∼110초로 제어하고, 성막 속도를 20∼400 ㎛/시간으로 하는 것을 특징으로 하는 SiC 성형체의 제조 방법:원료 가스의 체류 시간(초) = {(반응실의 반응 유효 용적(ℓ))/(원료 가스 유량(ℓ/분))} ×{(273 + 20)/(273 + 반응 온도(℃))}×60
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000233828A JP2002047066A (ja) | 2000-08-02 | 2000-08-02 | SiC成形体およびその製造方法 |
JP2000-233828 | 2000-08-02 |
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Publication Number | Publication Date |
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KR20020011860A true KR20020011860A (ko) | 2002-02-09 |
KR100775879B1 KR100775879B1 (ko) | 2007-11-13 |
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KR1020010025688A KR100775879B1 (ko) | 2000-08-02 | 2001-05-11 | SiC 성형체 및 그 제조 방법 |
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US (1) | US6893749B2 (ko) |
EP (1) | EP1178132B2 (ko) |
JP (1) | JP2002047066A (ko) |
KR (1) | KR100775879B1 (ko) |
DE (1) | DE60125472T3 (ko) |
SG (1) | SG96218A1 (ko) |
TW (1) | TW554066B (ko) |
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KR20190042537A (ko) | 2017-06-02 | 2019-04-24 | (주) 디에스테크노 | 식각 특성이 향상된 화학기상증착 실리콘 카바이드 벌크 |
US11859309B2 (en) | 2018-06-01 | 2024-01-02 | Ds Techno Co., Ltd. | Chemical-vapor-deposition silicon carbide bulk having improved etching characteristic |
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US6939821B2 (en) * | 2000-02-24 | 2005-09-06 | Shipley Company, L.L.C. | Low resistivity silicon carbide |
US7018947B2 (en) * | 2000-02-24 | 2006-03-28 | Shipley Company, L.L.C. | Low resistivity silicon carbide |
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JP5153826B2 (ja) * | 2010-05-17 | 2013-02-27 | 日本ピラー工業株式会社 | 超純水用の炭化珪素質摺動部材 |
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JP5896297B2 (ja) * | 2012-08-01 | 2016-03-30 | 東海カーボン株式会社 | CVD−SiC成形体およびCVD−SiC成形体の製造方法 |
KR101817217B1 (ko) * | 2015-11-17 | 2018-01-12 | 세메스 주식회사 | 척핀, 척핀 제조 방법 및 기판 처리 장치 |
US11320388B2 (en) * | 2016-08-31 | 2022-05-03 | Showa Denko K.K. | SiC epitaxial wafer containing large pit defects with a surface density of 0.5 defects/CM2 or less, and production method therefor |
WO2018043171A1 (ja) | 2016-08-31 | 2018-03-08 | 昭和電工株式会社 | SiCエピタキシャルウェハ及びその製造方法、並びに、欠陥識別方法 |
JP6889133B2 (ja) * | 2018-08-31 | 2021-06-18 | 株式会社フェローテックホールディングス | 熱伝導異方性SiC材 |
KR102096787B1 (ko) | 2019-06-11 | 2020-04-03 | 주식회사 바이테크 | 다층 구조의 다결정 탄화규소 성형체의 제조방법 |
KR102188258B1 (ko) | 2020-04-27 | 2020-12-09 | 주식회사 바이테크 | 일체형 다층 구조의 다결정 탄화규소 성형체 제조방법과 다결정 탄화규소 성형체 및 플라즈마 공정장비용 샤워헤드 |
EP4001475A1 (en) | 2020-11-19 | 2022-05-25 | Zadient Technologies SAS | Improved furnace apparatus for crystal production |
US11827999B2 (en) * | 2021-01-12 | 2023-11-28 | Applied Materials, Inc. | Methods of forming silicon carbide coated base substrates at multiple temperatures |
CN117790844B (zh) * | 2024-02-27 | 2024-05-24 | 氢质氢离(北京)氢能科技有限公司 | 燃料电池发动机氢腔氮气浓度控制策略及试验标定方法 |
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EP1043420A1 (en) * | 1999-04-07 | 2000-10-11 | Ngk Insulators, Ltd. | Silicon carbide body |
US7018947B2 (en) * | 2000-02-24 | 2006-03-28 | Shipley Company, L.L.C. | Low resistivity silicon carbide |
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2000
- 2000-08-02 JP JP2000233828A patent/JP2002047066A/ja active Pending
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- 2001-05-05 EP EP01110945A patent/EP1178132B2/en not_active Expired - Lifetime
- 2001-05-05 DE DE60125472T patent/DE60125472T3/de not_active Expired - Lifetime
- 2001-05-11 KR KR1020010025688A patent/KR100775879B1/ko active IP Right Grant
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190042537A (ko) | 2017-06-02 | 2019-04-24 | (주) 디에스테크노 | 식각 특성이 향상된 화학기상증착 실리콘 카바이드 벌크 |
KR20190043509A (ko) | 2017-06-02 | 2019-04-26 | (주) 디에스테크노 | 식각 특성이 향상된 화학기상증착 실리콘 카바이드 벌크 |
US11859309B2 (en) | 2018-06-01 | 2024-01-02 | Ds Techno Co., Ltd. | Chemical-vapor-deposition silicon carbide bulk having improved etching characteristic |
Also Published As
Publication number | Publication date |
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DE60125472D1 (de) | 2007-02-08 |
JP2002047066A (ja) | 2002-02-12 |
TW554066B (en) | 2003-09-21 |
US20020037801A1 (en) | 2002-03-28 |
KR100775879B1 (ko) | 2007-11-13 |
EP1178132A2 (en) | 2002-02-06 |
US6893749B2 (en) | 2005-05-17 |
SG96218A1 (en) | 2003-05-23 |
DE60125472T3 (de) | 2010-08-26 |
DE60125472T2 (de) | 2007-10-25 |
EP1178132B2 (en) | 2010-05-19 |
EP1178132A3 (en) | 2003-06-25 |
EP1178132B1 (en) | 2006-12-27 |
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