JP5657210B2 - コージェライト質焼結体からなる半導体製造装置用部材 - Google Patents
コージェライト質焼結体からなる半導体製造装置用部材 Download PDFInfo
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- JP5657210B2 JP5657210B2 JP2009016527A JP2009016527A JP5657210B2 JP 5657210 B2 JP5657210 B2 JP 5657210B2 JP 2009016527 A JP2009016527 A JP 2009016527A JP 2009016527 A JP2009016527 A JP 2009016527A JP 5657210 B2 JP5657210 B2 JP 5657210B2
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Description
な影響を及ぼしているのが現状である。
コージェライトの主ピーク(2θ=28.0〜29.0°)のピーク強度Imasとの比(IAl/Imas)が0.02〜0.15を満足するとともに、実質的にガラス相が存在せず、室温における熱膨張係数が−0.1×10−6/℃以上0.1×10−6/℃以下、気孔率が0.25%以下、ヤング率が140GPa以上、比剛性が56以上であることを特徴とする。
焼結体では、最低限の原料種により、熱膨張係数がほぼ0を達成できるとともに、軽量で剛性の高いコージェライト質焼結体を得ることができる。
をほぼ0に近づけることができないからであり、0.15よりも大きい場合には、ヤング率を向上できるものの、熱膨張係数をほぼ0に近づけることができないからである。
としてC、Ti、Zr、Li、Naを酸化物換算で全量中0.2質量%以下含有することがある。
膨張係数をほぼ0近くに制御することができる。
Claims (2)
- コージェライトを主結晶とし、アルミナを副結晶として含有するコージェライト質焼結体からなる半導体製造装置用部材であって、CaをCaO換算で全量中0.2〜0.5質量%含み、CuのKα線を用いたX線回折装置により測定される前記アルミナの主ピーク(2θ=35.0〜35.5°)のピーク強度IAlと前記コージェライトの主ピーク(2θ=28.0〜29.0°)のピーク強度Imasとの比(IAl/Imas)が0.02〜0.15を満足するとともに、実質的にガラス相が存在せず、室温における熱膨張係数が−0.1×10−6/℃以上0.1×10−6/℃以下、気孔率が0.25%以下、ヤング率が140GPa以上、比剛性が56以上であることを特徴とするコージェライト質焼結体からなる半導体製造装置用部材。
- 実質的にMg、Al、Si、CaおよびOからなることを特徴とする請求項1に記載のコージェライト質焼結体からなる半導体製造装置用部材。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009016527A JP5657210B2 (ja) | 2009-01-28 | 2009-01-28 | コージェライト質焼結体からなる半導体製造装置用部材 |
EP09839286.3A EP2392552B1 (en) | 2009-01-28 | 2009-12-26 | Cordierite-based sintered body |
PCT/JP2009/071701 WO2010087099A1 (ja) | 2009-01-28 | 2009-12-26 | コージェライト質焼結体 |
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JP2009016527A JP5657210B2 (ja) | 2009-01-28 | 2009-01-28 | コージェライト質焼結体からなる半導体製造装置用部材 |
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JP2010173878A JP2010173878A (ja) | 2010-08-12 |
JP5657210B2 true JP5657210B2 (ja) | 2015-01-21 |
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JP2009016527A Active JP5657210B2 (ja) | 2009-01-28 | 2009-01-28 | コージェライト質焼結体からなる半導体製造装置用部材 |
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EP (1) | EP2392552B1 (ja) |
JP (1) | JP5657210B2 (ja) |
WO (1) | WO2010087099A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2679562B1 (en) | 2011-02-24 | 2017-03-29 | Kyocera Corporation | Cordierite sintered body and member for semiconductor device composed of cordierite sintered body |
JP2013100216A (ja) | 2011-10-14 | 2013-05-23 | Asahi Glass Co Ltd | 酸化物セラミックス焼結体およびその製造方法 |
JP5773899B2 (ja) * | 2012-01-30 | 2015-09-02 | 京セラ株式会社 | コージェライト質焼結体およびこのコージェライト質焼結体からなる露光装置用部材 |
CN102765949B (zh) * | 2012-08-02 | 2014-08-13 | 武汉科技大学 | 一种堇青石轻质浇注料及其制备方法 |
NL2012204A (en) * | 2013-02-07 | 2014-12-18 | Asml Holding Nv | Lithographic apparatus and method. |
JP6390310B2 (ja) * | 2013-09-27 | 2018-09-19 | Toto株式会社 | 露光装置部材支持体 |
WO2015153774A1 (en) * | 2014-04-02 | 2015-10-08 | Zygo Corporation | Photo-masks for lithography |
KR101687145B1 (ko) | 2014-06-06 | 2016-12-15 | 엔지케이 인슐레이터 엘티디 | 코디어라이트 소결체, 그 제법, 복합 기판 및 전자 디바이스 |
JPWO2022186072A1 (ja) * | 2021-03-05 | 2022-09-09 |
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JPS61168563A (ja) * | 1985-11-02 | 1986-07-30 | 日本碍子株式会社 | コ−ジエライト系セラミツクハニカムの製法 |
US4745092A (en) * | 1987-04-27 | 1988-05-17 | The Dow Chemical Company | Strengthened cordierite having minor amounts of calcia |
JP3676552B2 (ja) | 1997-10-24 | 2005-07-27 | 京セラ株式会社 | 低熱膨張セラミックスおよびその製造方法 |
JP4261631B2 (ja) * | 1998-03-11 | 2009-04-30 | 京セラ株式会社 | セラミック焼結体の製造方法 |
EP1133457B1 (en) * | 1998-11-20 | 2016-04-06 | Corning Incorporated | Fabrication of low thermal expansion, high strength porous cordierite structures |
JP4568979B2 (ja) * | 1999-09-17 | 2010-10-27 | Toto株式会社 | コーディエライト緻密焼結体及びその製造法 |
JP2002173366A (ja) * | 2000-12-06 | 2002-06-21 | Nippon Tungsten Co Ltd | コーディエライト系セラミックス材料 |
JP4549029B2 (ja) * | 2003-02-25 | 2010-09-22 | 京セラ株式会社 | ガラスセラミック組成物、ガラスセラミック焼結体、ガラスセラミック焼結体の製造方法、および配線基板 |
JP2004203724A (ja) * | 2002-10-30 | 2004-07-22 | Kyocera Corp | コージェライト多孔質焼結体及びこれを用いたセラミックスフィルタ |
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- 2009-01-28 JP JP2009016527A patent/JP5657210B2/ja active Active
- 2009-12-26 EP EP09839286.3A patent/EP2392552B1/en active Active
- 2009-12-26 WO PCT/JP2009/071701 patent/WO2010087099A1/ja active Application Filing
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Publication number | Publication date |
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JP2010173878A (ja) | 2010-08-12 |
EP2392552A1 (en) | 2011-12-07 |
EP2392552A4 (en) | 2012-08-08 |
EP2392552B1 (en) | 2017-03-22 |
WO2010087099A1 (ja) | 2010-08-05 |
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