KR100758888B1 - 정전 척과 그 제조 방법 - Google Patents
정전 척과 그 제조 방법 Download PDFInfo
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- KR100758888B1 KR100758888B1 KR1020060022205A KR20060022205A KR100758888B1 KR 100758888 B1 KR100758888 B1 KR 100758888B1 KR 1020060022205 A KR1020060022205 A KR 1020060022205A KR 20060022205 A KR20060022205 A KR 20060022205A KR 100758888 B1 KR100758888 B1 KR 100758888B1
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Abstract
Description
실시예 1 | 비교예 1 | 비교예 2 | ||
소성 방법 | 핫 프레스 | 핫 프레스 | 상압 | |
바인더 | PVA(3 중량%) | 없음 | 없음 | |
소결체 내의 평균 입경[㎛] | 1.5 | 3.8 | 7.5 | |
소결체의 4점 굽힘 강도[MPa] | 550(σ: 20) | 420(σ: 15) | 310(σ: 20) | |
밀도[g/㎤] | 3.92 | 3.94 | 3.9 | |
소결체의 화학 분석 | Si[ppm] | 733 | 698 | 749 |
Fe[ppm] | 84 | 79 | 90 | |
Ca[ppm] | 311 | 307 | 321 | |
Mg[ppm] | 537 | 529 | 552 | |
C[중량%] | 0.14 | <0.01 | <0.01 |
비교예 3 | 실시예 2 | 실시예 1 | 실시예 3 | 비교예 4 | ||
소성 방법 | 핫 프레스 | 핫 프레스 | 핫 프레스 | 핫 프레스 | 핫 프레스 | |
바인더 | 0.7 중량% | 1.1 중량% | 3 중량% | 11 중량% | 13 중량% | |
4점 굽힘 강도[MPa] | 481(σ: 15) | 519(σ: 18) | 550(σ: 29) | 592(σ: 20) | 310(σ: 20) | |
밀도[g/㎤] | 3.92 | 3.92 | 3.92 | 3.92 | 3.91 | |
체적 저항률 [Ω·cm] | 6E + 17 | 4E + 17 | 2E + 17 | 5E + 17 | 8E + 17 | |
소결체의 화학 분석 | Si[ppm] | 720 | 722 | 733 | 705 | 741 |
Fe[ppm] | 87 | 89 | 84 | 80 | 85 | |
Ca[ppm] | 315 | 309 | 311 | 322 | 321 | |
Mg[ppm] | 522 | 521 | 537 | 529 | 519 | |
C [중량%] | 0.03 | 0.05 | 0.14 | 0.5 | 0.6 |
Claims (9)
- 제1 알루미나 소결체와,상기 제1 알루미나 소결체의 외면 위에 스크린 인쇄에 의해 형성된 전극과,상기 전극 위 및 이 전극이 형성된 상기 외면에 상기 전극을 덮도록 또한 전극을 매설하도록, 알루미나 분체 및 바인더를 혼합하여 얻어진 알루미나 조립분을 핫 프레스 소성함으로써 형성된 제2 알루미나 소결체를 구비하고,상기 제1 알루미나 소결체는, 순도가 99.5% 이상인 알루미나 분체에 바인더를 혼합하고, 조립분(造粒粉)을 작성하며, 작성된 조립분을 금형을 이용하여 성형하고, 이 성형체를 핫 프레스(hot press) 소성하여 얻어진 알루미나 소결체로서, 잔류 카본량이 0.05 중량% 이상 0.5 중량% 이하이고, 또한 4점 굽힘 강도가 500 MPa 이상인 것을 특징으로 하는 정전 척.
- 제1항에 있어서, 체적 저항값이 1015 Ω·cm 이상인 것을 특징으로 하는 정전 척.
- 제1항 또는 제2항에 있어서, 상기 조립분은 스프레이 드라이어법에 의해 작성된 것을 특징으로 하는 정전 척.
- 제1항 또는 제2항에 있어서, 상기 알루미나 소결체 중에서의 결정립의 입경이 1 내지 3 ㎛인 것을 특징으로 하는 정전 척.
- 제1 알루미나 소결체의 외면 위에 스크린 인쇄에 의해 전극을 형성하고,상기 전극 위 및 이 전극이 형성된 상기 외면에 상기 전극을 덮도록 또한 전극을 매설하도록 알루미나 분체 및 바인더를 혼합하여 얻어진 알루미나 조립분을 핫 프레스 소성함으로써 제2 알루미나 소결체를 형성하는 정전 척의 제조 방법으로서,상기 제1 알루미나 소결체는, 순도가 99.5% 이상인 알루미나 분체에 바인더를 혼합하고, 조립분을 작성하며, 작성된 조립분을 금형을 이용하여 성형하고, 이 성형체를 핫 프레스 소성하는 알루미나 소결체의 제조 방법에 의해 제조되며,상기 바인더는 폴리비닐알콜이며, 바인더의 첨가량은 1.1 내지 11 중량%인 것을 특징으로 하는 정전 척의 제조 방법.
- 삭제
- 제5항에 있어서, 상기 조립분을 스프레이 드라이어법에 의해 작성하는 것을 특징으로 하는 정전 척의 제조 방법.
- 삭제
- 삭제
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JPJP-P-2005-00069689 | 2005-03-11 | ||
JP2005069689 | 2005-03-11 |
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KR20060097664A KR20060097664A (ko) | 2006-09-14 |
KR100758888B1 true KR100758888B1 (ko) | 2007-09-19 |
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US (1) | US7387977B2 (ko) |
EP (1) | EP1702900B1 (ko) |
JP (1) | JP5084155B2 (ko) |
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JP4394667B2 (ja) * | 2006-08-22 | 2010-01-06 | 日本碍子株式会社 | ヒータ付き静電チャックの製造方法 |
US20090159007A1 (en) * | 2007-11-14 | 2009-06-25 | Ngk Insulators, Ltd. | Substrate support |
JP5203313B2 (ja) * | 2008-09-01 | 2013-06-05 | 日本碍子株式会社 | 酸化アルミニウム焼結体及びその製法 |
GB201005457D0 (en) * | 2010-03-31 | 2010-05-19 | Isis Innovation | Ceramic materials |
CN102834913B (zh) * | 2010-07-26 | 2016-01-06 | 京瓷株式会社 | 静电吸盘 |
JP6159982B2 (ja) * | 2012-06-28 | 2017-07-12 | 日本特殊陶業株式会社 | 静電チャックの製造方法 |
JP6277015B2 (ja) * | 2014-02-28 | 2018-02-07 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置 |
KR102427144B1 (ko) * | 2014-05-07 | 2022-07-28 | 모간 어드밴스드 세라믹스, 인코포레이티드 | 대형 동시소성 물품의 개선된 제조방법 |
JP6373212B2 (ja) * | 2015-03-26 | 2018-08-15 | 日本碍子株式会社 | アルミナ焼結体の製法及びアルミナ焼結体 |
Citations (2)
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US3871891A (en) * | 1973-03-23 | 1975-03-18 | Rosenthal Stemag Tech Keramik | Method for the production of highly wear-resistant ceramic material |
US5242298A (en) * | 1988-04-09 | 1993-09-07 | Dentaurum J. P. Winkelstroeter Kg | Shaped bodies of transparent, polycrystalline alumina |
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JP2759288B2 (ja) | 1989-09-29 | 1998-05-28 | 京セラ株式会社 | 酸化アルミニウム焼結体の製造方法 |
JP3425271B2 (ja) * | 1994-05-23 | 2003-07-14 | 株式会社東芝 | 電力用抵抗体、その製造方法および電力用遮断器 |
JPH1171168A (ja) * | 1997-06-26 | 1999-03-16 | Ngk Spark Plug Co Ltd | アルミナ基セラミックス焼結体及びその製造方法 |
JP3177650B2 (ja) * | 1997-11-28 | 2001-06-18 | ファインセラミックス技術研究組合 | 高強度アルミナ質焼結体およびその製造方法 |
JP3023784B1 (ja) | 1998-11-18 | 2000-03-21 | 工業技術院長 | 高強度、高靱性酸化アルミニウム焼結体及びその製造方法 |
JP2000219569A (ja) | 1999-01-29 | 2000-08-08 | Ngk Spark Plug Co Ltd | アルミナ基セラミックス焼結体及びその製造方法 |
JP4447750B2 (ja) * | 1999-09-30 | 2010-04-07 | 日本碍子株式会社 | 窒化アルミニウム焼結体および半導体製造用部材 |
US6648638B2 (en) * | 2001-12-28 | 2003-11-18 | 3M Innovative Properties Company | Orthodontic appliances including polycrystalline alumina-based ceramic material, kits, and methods |
JP4230175B2 (ja) | 2002-06-14 | 2009-02-25 | 新日鉄マテリアルズ株式会社 | アルミナ質焼結体及びその製造方法 |
US6858173B2 (en) * | 2003-01-30 | 2005-02-22 | The Regents Of The University Of California | Nanocrystalline ceramic materials reinforced with single-wall carbon nanotubes |
US6875374B1 (en) * | 2003-02-26 | 2005-04-05 | The Regents Of The University Of California | Ceramic materials reinforced with single-wall carbon nanotubes as electrical conductors |
JP2005019480A (ja) * | 2003-06-24 | 2005-01-20 | Taiheiyo Cement Corp | 給電端子の接合構造 |
JP4476701B2 (ja) | 2004-06-02 | 2010-06-09 | 日本碍子株式会社 | 電極内蔵焼結体の製造方法 |
JP4542485B2 (ja) * | 2004-12-14 | 2010-09-15 | 日本碍子株式会社 | アルミナ部材及びその製造方法 |
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- 2006-03-07 JP JP2006060886A patent/JP5084155B2/ja active Active
- 2006-03-08 US US11/370,662 patent/US7387977B2/en active Active
- 2006-03-09 KR KR1020060022205A patent/KR100758888B1/ko active IP Right Grant
- 2006-03-10 EP EP06251300A patent/EP1702900B1/en not_active Expired - Fee Related
- 2006-03-10 TW TW095108128A patent/TWI314921B/zh active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US3871891A (en) * | 1973-03-23 | 1975-03-18 | Rosenthal Stemag Tech Keramik | Method for the production of highly wear-resistant ceramic material |
US5242298A (en) * | 1988-04-09 | 1993-09-07 | Dentaurum J. P. Winkelstroeter Kg | Shaped bodies of transparent, polycrystalline alumina |
Also Published As
Publication number | Publication date |
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TW200640822A (en) | 2006-12-01 |
US20060205585A1 (en) | 2006-09-14 |
US7387977B2 (en) | 2008-06-17 |
KR20060097664A (ko) | 2006-09-14 |
EP1702900B1 (en) | 2012-05-02 |
TWI314921B (en) | 2009-09-21 |
EP1702900A1 (en) | 2006-09-20 |
JP5084155B2 (ja) | 2012-11-28 |
JP2006282502A (ja) | 2006-10-19 |
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