KR101279756B1 - 단결정 실리콘 연속성장 시스템 및 방법 - Google Patents
단결정 실리콘 연속성장 시스템 및 방법 Download PDFInfo
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- KR101279756B1 KR101279756B1 KR1020127013413A KR20127013413A KR101279756B1 KR 101279756 B1 KR101279756 B1 KR 101279756B1 KR 1020127013413 A KR1020127013413 A KR 1020127013413A KR 20127013413 A KR20127013413 A KR 20127013413A KR 101279756 B1 KR101279756 B1 KR 101279756B1
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- C30B15/14—Heating of the melt or the crystallised materials
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- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/20—Controlling or regulating
- C30B15/22—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
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- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
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Abstract
Description
도 1B는 용탕을 관통하는 바람직하지 않은 온도구배를 도시하는 종래의 CZ 시스템의 개략 측면도,
도 2는 본 발명의 하나의 관점에 따른 향상된 순도의 단결정 실리콘을 성장시키기 위한 시스템의 개략 측면도,
도 3A는 본 발명의 하나의 관점에 따른 예비용융기(pre-melter) 및 개별적으로 제어된 가열요소를 도시하는 결정성장시스템의 개략 측면도,
도 3B는 본 발명의 하나의 관점에 따른 도 3A에 도시된 바와 같은 결정성장시스템의 개략 평면도,
도 3C는 본 발명의 하나의 관점에 따른 용탕을 관통하는 개선된 열구배를 도시하는 대직경의 낮은 가로세로비 도가니의 개략 측면도,
도 4는 본 발명의 하나의 관점에 따른 결정성장 시스템용 예비용융기의 측면도,
도 5는 본 발명의 하나의 관점에 따라 도가니를 가로질러 최적화된 열분포를 형성하기 위한 가열기 제어시스템을 도시하는 개략 블록도 및
도 6은 본 발명의 하나의 관점에 따른 도가니에서의 레벨 제어시스템을 도시하는 개략 블록도이다.
202: 성장 챔버(growth chamber) 203 : 잉곳(ingot)
204 : 절연 밸브 205 : 열 차폐물
210 : 인상 챔버 214 : 스핀들
Claims (3)
- 연속 쵸크랄스키 결정 성장용 시스템에 있어서,
수직 이동의 필요없이, 용탕/결정 계면에 위치된 시드 결정을 포함하는 용융 결정 재료의 양을 유지하기 위한 고정된 도가니;
상기 용탕/결정 계면에서 상기 시드 결정으로부터 인상된 잉곳을 둘러싸는 성장챔버;
제 1 잉곳의 완성시에 제 1 인상챔버는 상기 성장챔버 밖으로 완성된 제 1 잉곳을 이동시키고, 후속 인상챔버는 상기 용탕/결정 계면에 후속 시드 결정을 위치시키도록 상기 용탕으로부터 상기 잉곳을 인상시키기 위해 상기 성장챔버에 대해 배치된 복수의 인상챔버;
상기 잉곳이 용탕으로부터 인상될 때 상기 용탕의 일정한 레벨을 검지하고 유지하는 레벨 제어기;
각 잉곳이 인상될 때 상기 용탕을 보충하기 위해 상기 레벨 제어기에 응답하는 결정 재료의 공급원; 및
각 가열 요소의 열 출력이 상기 용탕을 수평으로 가로질러서 대응 제어가능한 열구역을 형성하도록 상기 도가니 아래에 고정 배치된 일련의 개별 제어가능한 가열 요소를 포함하고 제어기에 응답하는 베이스 가열기를 포함하는 연속 쵸크랄스키 결정 성장용 시스템. - 연속 쵸크랄스키 결정 성장용 시스템에 있어서,
고체 결정 공급재료를 포함하고, 소망 레벨로 특징되는 용탕을 포함하는 도가니의 수직 이동없이 용융 결정 재료의 양을 유지하기 위한 고정된 도가니;
용탕/결정 계면에 위치된 시드 결정;
상기 시드 결정으로부터 잉곳을 연속적으로 인상하기 위한 복수의 인상챔버;
상기 소망 레벨로 상기 용탕을 유지하도록 결정 공급재료의 양을 수용하기 위해 상기 용탕/결정 계면의 바깥쪽에서 상기 도가니 내에 구획된 보충영역;
상기 용탕/결정 계면으로부터 성장된 잉곳을 포함하는 성장챔버;
상기 성장챔버 밖으로 각 완성된 잉곳을 순차적으로 이동시키기 위한 수단;
각 잉곳이 성장될 때 웨어의 바깥쪽에서 상기 용탕을 보충하기 위해 레벨 제어기에 응답하는 결정 재료의 공급원; 및
상기 도가니의 아래에 위치된 복수의 환상의 베이스 가열기를 포함하고,
소망 열구역이 상기 용탕을 수평으로 가로질러 형성되도록 각각의 상기 가열기는 열 출력을 설정하기 위해 제어기에 개별적으로 응답하는 연속 쵸크랄스키 결정 성장용 시스템. - 쵸크랄스키 방법에 따라 결정 잉곳이 성장되는 연속 결정성장장치 내에 결정 성장을 제어하기 위한 시스템에 있어서,
상기 결정성장장치는,
상기 잉곳이 인상되는 용탕 및 용탕/결정 계면을 포함하는 베이스와 측벽을 갖는 용탕 도가니;
상기 잉곳을 인상시키기 위해 상기 용탕/결정 계면 상에 순차적으로 위치된 복수의 인상챔버; 및
상기 잉곳이 성장될 때 상기 용탕을 보충하기 위해 상기 도가니에 공급된 결정 공급재료의 공급원을 포함하고,
상기 시스템은,
수직 이동에 대한 필요없이 수직 축 내에 고정된 도가니;
상기 도가니의 베이스를 가로질러 환상의 패턴 내에 그리고 측벽 주위에 위치 고정된 독립 제어가능한 가열기 요소; 및
가열기 요소의 결합된 열출력이 상기 용탕을 가로질러서 그리고 상기 용탕/결정 계면에 수평으로 일정한 열분포를 제공하도록 상기 용탕 내의 대응 열구역을 유지하기 위해 각 가열기 요소의 열출력을 설정점에 개별적으로 작동시키는 제어기를 포함하는 결정 성장 제어 시스템.
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KR101279736B1 (ko) | 2013-06-27 |
KR20060128033A (ko) | 2006-12-13 |
US20180100246A1 (en) | 2018-04-12 |
JP2008531444A (ja) | 2008-08-14 |
US8317919B2 (en) | 2012-11-27 |
CN101076618A (zh) | 2007-11-21 |
EP1749123A2 (en) | 2007-02-07 |
US7635414B2 (en) | 2009-12-22 |
WO2005084225A2 (en) | 2005-09-15 |
US20050092236A1 (en) | 2005-05-05 |
CN102400209A (zh) | 2012-04-04 |
US20190136407A1 (en) | 2019-05-09 |
KR20110138404A (ko) | 2011-12-27 |
US20160281260A1 (en) | 2016-09-29 |
KR101216256B1 (ko) | 2012-12-28 |
KR20120076375A (ko) | 2012-07-09 |
JP5059596B2 (ja) | 2012-10-24 |
US20100162946A1 (en) | 2010-07-01 |
CN102400218A (zh) | 2012-04-04 |
KR101279709B1 (ko) | 2013-06-27 |
WO2005084225A3 (en) | 2007-05-18 |
US20080134958A1 (en) | 2008-06-12 |
KR20120076376A (ko) | 2012-07-09 |
KR101279770B1 (ko) | 2013-07-04 |
US20130133567A1 (en) | 2013-05-30 |
KR20120079153A (ko) | 2012-07-11 |
CN103205802A (zh) | 2013-07-17 |
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