JP5645665B2 - 高抵抗率炭化ケイ素 - Google Patents
高抵抗率炭化ケイ素 Download PDFInfo
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- JP5645665B2 JP5645665B2 JP2010531329A JP2010531329A JP5645665B2 JP 5645665 B2 JP5645665 B2 JP 5645665B2 JP 2010531329 A JP2010531329 A JP 2010531329A JP 2010531329 A JP2010531329 A JP 2010531329A JP 5645665 B2 JP5645665 B2 JP 5645665B2
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- silicon carbide
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims description 142
- 229910010271 silicon carbide Inorganic materials 0.000 title claims description 119
- 238000000034 method Methods 0.000 claims description 54
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 46
- 229910052796 boron Inorganic materials 0.000 claims description 37
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 36
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 238000000859 sublimation Methods 0.000 claims description 21
- 230000008022 sublimation Effects 0.000 claims description 21
- 238000001953 recrystallisation Methods 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims 23
- 239000002245 particle Substances 0.000 description 51
- 239000000203 mixture Substances 0.000 description 46
- 238000010438 heat treatment Methods 0.000 description 34
- 239000011362 coarse particle Substances 0.000 description 28
- 239000010419 fine particle Substances 0.000 description 20
- 239000002002 slurry Substances 0.000 description 20
- 230000015572 biosynthetic process Effects 0.000 description 18
- 235000012431 wafers Nutrition 0.000 description 18
- 238000012545 processing Methods 0.000 description 14
- 238000000465 moulding Methods 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000001035 drying Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 239000002019 doping agent Substances 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 229910010272 inorganic material Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011859 microparticle Substances 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Substances CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 3
- 239000004328 sodium tetraborate Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052580 B4C Inorganic materials 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000011668 ascorbic acid Substances 0.000 description 2
- 230000002902 bimodal effect Effects 0.000 description 2
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000007736 thin film deposition technique Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- -1 about 12 ppm or less Chemical compound 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Description
再結晶炭化ケイ素体のサンプルを含むサンプル1〜11の抵抗率を含む、表1を下記に記載する。各サンプルについて、表1は、加熱温度、出発原料、および、特に、加熱環境、昇華/再結晶反応中に「動的」環境であるか又は「静的」環境であるかを記載している。
上記実施形態に記載の、ホウ素ドーピング法を使用して形成されるサンプル1〜12の抵抗率を含む表2を下記に記載する。各サンプルについて、表2は、加熱温度、出発原料、および、特に、各サンプル中のホウ素ドープ剤濃度(ホウ素含有率)を記載する。
Claims (15)
- 1E5Ωcm以上の抵抗率、および
200ppm以下の窒素含有率、
を有する、昇華再結晶法により形成された再結晶多結晶炭化ケイ素体。 - 前記抵抗率が、1E6Ωcm以上である、請求項1に記載の再結晶多結晶炭化ケイ素体。
- 前記再結晶多結晶炭化ケイ素体が、0.5ミクロン以上の平均結晶粒径を有する結晶粒を含む多結晶である、請求項1又は2に記載の再結晶多結晶炭化ケイ素体。
- 前記再結晶多結晶炭化ケイ素体が、5体積%以上の気孔率を有する、請求項1〜3のいずれか1項に記載の再結晶多結晶炭化ケイ素体。
- 前記窒素含有率が、150ppm以下である、請求項1〜4のいずれか1項に記載の再結晶多結晶炭化ケイ素体。
- 前記再結晶多結晶炭化ケイ素体が、2.9g/cc以下の密度を有する、請求項1〜5のいずれか1項に記載の再結晶多結晶炭化ケイ素体。
- 前記再結晶多結晶炭化ケイ素体の少なくとも一部を被覆する表面部分を更に含む、請求項1〜6のいずれか1項に記載の再結晶多結晶炭化ケイ素体。
- 前記表面部分が密度を有し、前記再結晶多結晶炭化ケイ素体が密度を有し、前記表面部分の密度が前記再結晶多結晶炭化ケイ素体の密度より大きい、請求項7に記載の再結晶多結晶炭化ケイ素体。
- 前記表面部分は炭化ケイ素を含む、請求項7に記載の再結晶多結晶炭化ケイ素体。
- 前記表面部分は、10ミクロン以上の平均厚さを有する、請求項7に記載の再結晶多結晶炭化ケイ素体。
- 前記表面部分は、堆積法を用いて形成される、請求項7に記載の再結晶多結晶炭化ケイ素体。
- 前記再結晶多結晶炭化ケイ素体は、500ppm以下のホウ素含有率を有する、請求項1に記載の再結晶多結晶炭化ケイ素体。
- 前記ホウ素含有率は250ppm以下である、請求項12に記載の再結晶多結晶炭化ケイ素体。
- 前記再結晶多結晶炭化ケイ素体は、不活性ガスを含み、かつ25Torr以下の減圧を有する雰囲気中で形成される、請求項1に記載の再結晶多結晶炭化ケイ素体。
- 前記雰囲気は、15ppm以下の窒素濃度を有する、請求項14に記載の再結晶多結晶炭化ケイ素体。
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Application Number | Priority Date | Filing Date | Title |
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US11/927,326 | 2007-10-29 | ||
US11/927,326 US7727919B2 (en) | 2007-10-29 | 2007-10-29 | High resistivity silicon carbide |
PCT/US2008/081555 WO2009058841A2 (en) | 2007-10-29 | 2008-10-29 | High resistivity silicon carbide |
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JP5645665B2 true JP5645665B2 (ja) | 2014-12-24 |
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US (1) | US7727919B2 (ja) |
JP (2) | JP5645665B2 (ja) |
KR (1) | KR101202973B1 (ja) |
CN (2) | CN105000888B (ja) |
TW (1) | TWI378909B (ja) |
WO (1) | WO2009058841A2 (ja) |
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US7069932B2 (en) | 2002-09-06 | 2006-07-04 | Ric Investments, Llc. | Patient interface with forehead support system |
JP5415853B2 (ja) * | 2009-07-10 | 2014-02-12 | 東京エレクトロン株式会社 | 表面処理方法 |
US8865607B2 (en) | 2010-11-22 | 2014-10-21 | Saint-Gobain Ceramics & Plastics, Inc. | Infiltrated silicon carbide bodies and methods of making |
KR101976594B1 (ko) * | 2011-12-26 | 2019-05-09 | 엘지이노텍 주식회사 | 탄화규소 분말, 이의 제조 방법 및 단결정 성장 방법 |
JP6625468B2 (ja) * | 2016-03-29 | 2019-12-25 | 日本碍子株式会社 | ハニカム構造体、及びその製造方法 |
CN106145954A (zh) * | 2016-06-30 | 2016-11-23 | 佛山市盈通黑金碳材料股份有限公司 | 再结晶碳化硅棚板的制备方法 |
CN106116614A (zh) * | 2016-06-30 | 2016-11-16 | 佛山市盈通黑金碳材料股份有限公司 | 再结晶碳化硅辊棒的制备方法 |
KR101974932B1 (ko) | 2017-05-29 | 2019-05-03 | 한국과학기술연구원 | 액상소결 탄화규소 다공체 제조용 조성물, 상기 조성물로 제조된 고강도 및 고저항 특성을 갖는 액상소결 탄화규소 다공체 및 이의 제조방법 |
WO2020013300A1 (ja) * | 2018-07-13 | 2020-01-16 | デンカ株式会社 | 金属-炭化珪素質複合体、及び金属-炭化珪素質複合体の製造方法 |
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CN101896442A (zh) | 2010-11-24 |
US7727919B2 (en) | 2010-06-01 |
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JP2011502095A (ja) | 2011-01-20 |
US20090111678A1 (en) | 2009-04-30 |
CN105000888A (zh) | 2015-10-28 |
CN101896442B (zh) | 2018-03-13 |
WO2009058841A2 (en) | 2009-05-07 |
KR101202973B1 (ko) | 2012-11-20 |
TW200930687A (en) | 2009-07-16 |
JP2013082625A (ja) | 2013-05-09 |
WO2009058841A3 (en) | 2009-11-26 |
KR20100077203A (ko) | 2010-07-07 |
CN105000888B (zh) | 2018-07-24 |
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