KR100719185B1 - 세라믹소결체 및 그 제조방법 - Google Patents
세라믹소결체 및 그 제조방법 Download PDFInfo
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- KR100719185B1 KR100719185B1 KR1020030005700A KR20030005700A KR100719185B1 KR 100719185 B1 KR100719185 B1 KR 100719185B1 KR 1020030005700 A KR1020030005700 A KR 1020030005700A KR 20030005700 A KR20030005700 A KR 20030005700A KR 100719185 B1 KR100719185 B1 KR 100719185B1
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Abstract
Description
시료 | 코디어라이트 분말의 양 (중량%) | 마그네시아 분말의 양 (중량%) | 알루미나 분말 양 (중량%) | 실리카 분말의 양 (중량%) | 멀라이트 분말의 양 (중량%) |
실시예1 | 92.8 | 2.10 | 0 | 5.13 | 0 |
실시예2 | 94.5 | 1.61 | 0 | 3.92 | 0 |
실시예3 | 100 | 0 | 0 | 0 | 0 |
실시예4 | 97.5 | 0 | 0 | 0 | 2.50 |
실시예5 | 97.5 | 0 | 1.79 | 0.71 | 0 |
실시예6 | 93.8 | 0 | 0 | 0 | 6.24 |
비교예1 | 93.8 | 3.04 | 0 | 7.43 | 0 |
비교예2 | 87.7 | 0 | 0 | 0 | 12.3 |
비교예3 | 100 | 0 | 0 | 0 | 0 |
시료 | 코디어라이트 양 (체적%) | 멀라이 트 양 (체적%) | 소성 온도 ℃ | 밀도 g/cm3 | 피크 강도비 | 영율 GPa | 강성비 GPa/g/cm3 | 열팽창계수 ppm/K |
실시예1 | 99 | 1 | 1400 | 2.50 | 1 | 138 | 55.2 | 0.02 |
실시예2 | 98.5 | 1.5 | 1400 | 2.50 | 3 | 139 | 55.6 | -0.03 |
실시예3 | 97 | 3 | 1400 | 2.51 | 6 | 140 | 55.8 | 0.02 |
실시예4 | 95 | 5 | 1400 | 2.52 | 10 | 141 | 56.0 | 0.08 |
실시예5 | 94.5 | 5.5 | 1400 | 2.52 | 11 | 141 | 56.0 | 0.10 |
실시예6 | 92 | 8 | 1400 | 2.53 | 16 | 143 | 56.5 | 0.16 |
비교예1 | 100 | 0 | 1400 | 2.49 | 0 | 135 | 54.2 | 0.22 |
비교예2 | 87 | 13 | 1450 | 2.56 | 30 | 145 | 56.6 | 0.48 |
비교예3 | 97 | 3 | 1350 | 2.37 | 6 | 120 | 50.6 | 0.06 |
Claims (21)
- 코디어라이트 및 멀라이트의 함유량 합계를 100체적%로 한 경우에 코디어라이트 92∼99.5체적%, 멀라이트 0.5∼8체적%로 이루어지고, x-선 회절법으로 검출한 소결체의 결정상은 코디어라이트상과 불가피한 불순물을 포함하는 멀라이트 상들로 구성되고, 또한 밀도가 2.48g/cm3 이상이며, 상기 코디어라이트 결정은 2㎛ 또는 그 미만의 평균 입자크기를 가지고, 세라믹 소결체는 20 내지 25℃에서 측정하였을 때 -0.03 내지 0.16 ppm/K의 열팽창계수를 가지고 또한 밀도로 영률을 나누었을 때 54.7 내지 56.5 Gpa/g/㎤ 또는 그 이상의 값을 가지는 것을 특징으로 하는 세라믹 소결체.
- 코디어라이트 및 멀라이트를 포함하고, 다음 식 (1)로 정의되는 0.2 내지 20의 피크 강도비 C의 값을 가지는 것을 특징으로 하는 세라믹 소결체.C = (A/B) ×100 ---- (1),식중, X선회절법으로 측정될 때의 A와 B는 각각 멀라이트 결정의 (110)면의 피크 강도치와 코디어라이트 결정의 (110)면의 피크강도치를 나타냄.
- 삭제
- 제2항에 있어서,코디어라이트 결정은 평균입경 2㎛ 이하의 치수를 갖는 것을 특징으로 하는 세라믹 소결체.
- 삭제
- 삭제
- 제1항에 따른 세라믹소결체를 포함하는 것을 특징으로 하는 반도체제조장치
- 제2항에 따른 세라믹소결체를 포함하는 것을 특징으로 하는 반도체제조장치
- 제1항에 따른 세라믹소결체를 포함하는 것을 특징으로 하는 진공 척
- 제2항에 따른 세라믹소결체를 포함하는 것을 특징으로 하는 진공 척
- 제1항에 따른 세라믹소결체를 포함하는 것을 특징으로 하는 정전 척
- 제2항에 따른 세라믹소결체를 포함하는 것을 특징으로 하는 정전 척
- 마그네슘 산화물 분말과 가열되어 마그네슘 산화물로되는 마그네슘화합물분말 중 1종 이상과, 알루미늄산화물분말, 가열되어 알루미늄산화물로되는 알루미늄화합물분말, 실리콘산화물분말 및 가열되어 실리콘산화물로 되는 실리콘화합물, 마그네슘, 알루미늄 및 실리콘의 합성산화물분말 중 1종 이상을 혼합하는 단계와,코디어라이트 및 멀라이트의 합계를 100체적%로 한 경우에, 코디어라이트 92∼ 99.5체적% 및 멀라이트0.5 ∼ 8 체적%가 되도록 소성하는 단계를포함하는 것을 특징으로 하는 청구항 제1항에 따른 세라믹 소결체 제조방법.
- 마그네슘, 알루미늄 및 실리콘 중 2종 이상의 복합 산화물 분말을 혼합하는 단계와,코디어라이트 및 멀라이트의 합계를 100체적%로 한 경우에, 코디어라이트 92∼ 99.5체적% 및 멀라이트0.5 ∼ 8 체적%가 되도록 상기 혼합된 혼합물을 소성하는 단계를 포함하는 것을 특징으로 하는 세라믹 소결체 제조방법.
- 마그네슘 산화물 분말 및 가열되어 마그네슘 산화물로되는 마그네슘화합물분말 중 1종 이상과, 알루미늄산화물분말 및 가열되어 알루미늄산화물로되는 알루미늄화합물분말 중 1종이상과, 실리콘산화물분말 및 가열되어 실리콘산화물로 되는 실리콘화합물 중 1종 이상고, 마그네슘, 알루미늄 및 실리콘 중에서 선택되는 1종 이상의 복합산화물분말을 혼합하는 단계와,코디어라이트 및 멀라이트의 합계를 100체적%로 한 경우에, 코디어라이트 92∼ 99.5체적% 및 멀라이트0.5 ∼ 8 체적%가 되도록 상기 혼합된 혼합물을 소성하는 단계를포함하는 것을 특징으로 하는 세라믹 소결체 제조방법.
- 제13항에 있어서,상기 분말은 평균입경 2㎛ 이하의 치수를 갖는 것을 특징으로 하는 세라믹 소결체 제조방법.
- 제14항에 있어서,상기 분말은 평균입경 2㎛ 이하의 치수를 갖는 것을 특징으로 하는 세라믹 소결체 제조방법.
- 제15항에 있어서,상기 분말은 평균입경 2㎛ 이하의 치수를 갖는 것을 특징으로 하는 세라믹 소결체 제조방법.
- 제13항에 있어서,상기 소성은 1,300 ∼1,450℃에서 1시간 내지 5시간 동안 행하는 것을 특징으로 하는 세라믹 소결체 제조방법.
- 제14항에 있어서,상기 소성은 1,300 ∼1,450℃에서 1시간 내지 5시간 동안 행하는 것을 특징으로 하는 세라믹 소결체 제조방법.
- 제15항에 있어서,상기 소성은 1,300 ∼1,450℃에서 1시간 내지 5시간 동안 행하는 것을 특징으로 하는 세라믹 소결체 제조방법.
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US6953538B2 (en) * | 2000-06-06 | 2005-10-11 | Nippon Steel Corporation | Electroconductive low thermal expansion ceramic sintered body |
JP2005314215A (ja) * | 2004-03-29 | 2005-11-10 | Ngk Insulators Ltd | 緻密質コーディエライト焼結体及びその製造方法 |
US7071135B2 (en) * | 2004-09-29 | 2006-07-04 | Corning Incorporated | Ceramic body based on aluminum titanate and including a glass phase |
US20080029977A1 (en) * | 2006-08-03 | 2008-02-07 | Prime View International Co., Ltd. | Chuck for a photoresist spin coater |
ES2362533B1 (es) * | 2009-12-21 | 2012-05-17 | Consejo Superior De Investigaciones Cientificas (Csic) | Material compuesto con coeficiente de expansión térmica controlado con cer�?micas ox�?dicas y su procedimiento de obtención. |
TWI488827B (zh) | 2010-03-01 | 2015-06-21 | Ngk Insulators Ltd | Cover |
JP5510411B2 (ja) | 2010-08-11 | 2014-06-04 | Toto株式会社 | 静電チャック及び静電チャックの製造方法 |
EP2662347A1 (en) * | 2012-05-11 | 2013-11-13 | Imerys Kiln Furniture Hungary Ltd. | Ceramic compositions and supports for objects to be fired in a kiln or furnace |
US9054502B1 (en) * | 2014-08-06 | 2015-06-09 | Federal-Mogul Ignition Company | Ceramic for ignition device insulator with low relative permittivity |
KR102391368B1 (ko) * | 2017-06-29 | 2022-04-27 | 스미토모 오사카 세멘토 가부시키가이샤 | 복합 소결체, 정전 척 부재 및 정전 척 장치 |
US11106442B1 (en) | 2017-09-23 | 2021-08-31 | Splunk Inc. | Information technology networked entity monitoring with metric selection prior to deployment |
US11093518B1 (en) | 2017-09-23 | 2021-08-17 | Splunk Inc. | Information technology networked entity monitoring with dynamic metric and threshold selection |
US11159397B2 (en) | 2017-09-25 | 2021-10-26 | Splunk Inc. | Lower-tier application deployment for higher-tier system data monitoring |
US11310873B2 (en) * | 2018-03-20 | 2022-04-19 | Ngk Insulators, Ltd. | Fluid heating component, and fluid heating component complex |
KR102026200B1 (ko) * | 2018-04-11 | 2019-10-22 | (주)뉴영시스템 | 적층형 세라믹 히터를 위한 그린시트 및 그 제조방법 |
JP7402344B2 (ja) * | 2020-01-27 | 2023-12-20 | ヘレーウス コナミック ノース アメリカ エルエルシー | 半導体用途のための高純度コーディエライト材料 |
US11676072B1 (en) | 2021-01-29 | 2023-06-13 | Splunk Inc. | Interface for incorporating user feedback into training of clustering model |
CN115784728B (zh) * | 2022-11-25 | 2023-12-29 | 北京钢研新冶工程技术中心有限公司 | 一种堇青石陶瓷及其制备方法 |
CN116462522B (zh) * | 2023-06-19 | 2023-08-22 | 湖南永杉锂业有限公司 | 一种制备匣钵的方法 |
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EP0458286A1 (en) * | 1990-05-22 | 1991-11-27 | Agency Of Industrial Science And Technology | Method for preparing a sintered body of light-transmitting cordierite |
JP2001302341A (ja) * | 2000-04-14 | 2001-10-31 | Toto Ltd | コーディエライト黒色系緻密焼結体及びその製造法 |
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US7037870B2 (en) | 2006-05-02 |
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DE60314790T2 (de) | 2007-10-31 |
US20030181310A1 (en) | 2003-09-25 |
EP1338580B1 (en) | 2007-07-11 |
KR20030065384A (ko) | 2003-08-06 |
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