KR102366166B1 - 단결정 및 다결정 로드에 의해 도가니 내부에 산소 배출 통로를 형성하는 다결정 실리콘 잉곳 제조방법 - Google Patents
단결정 및 다결정 로드에 의해 도가니 내부에 산소 배출 통로를 형성하는 다결정 실리콘 잉곳 제조방법 Download PDFInfo
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- KR102366166B1 KR102366166B1 KR1020210108831A KR20210108831A KR102366166B1 KR 102366166 B1 KR102366166 B1 KR 102366166B1 KR 1020210108831 A KR1020210108831 A KR 1020210108831A KR 20210108831 A KR20210108831 A KR 20210108831A KR 102366166 B1 KR102366166 B1 KR 102366166B1
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- B22—CASTING; POWDER METALLURGY
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- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/06—Melting-down metal, e.g. metal particles, in the mould
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/002—Crucibles or containers for supporting the melt
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B21/00—Unidirectional solidification of eutectic materials
- C30B21/02—Unidirectional solidification of eutectic materials by normal casting or gradient freezing
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B28/00—Production of homogeneous polycrystalline material with defined structure
- C30B28/04—Production of homogeneous polycrystalline material with defined structure from liquids
- C30B28/06—Production of homogeneous polycrystalline material with defined structure from liquids by normal freezing or freezing under temperature gradient
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B28/00—Production of homogeneous polycrystalline material with defined structure
- C30B28/04—Production of homogeneous polycrystalline material with defined structure from liquids
- C30B28/10—Production of homogeneous polycrystalline material with defined structure from liquids by pulling from a melt
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- 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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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
- C30B29/66—Crystals of complex geometrical shape, e.g. tubes, cylinders
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B35/00—Apparatus not otherwise provided for, specially adapted for the growth, production or after-treatment of single crystals or of a homogeneous polycrystalline material with defined structure
- C30B35/007—Apparatus for preparing, pre-treating the source material to be used for crystal growth
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/10—Crucibles or containers for supporting the melt
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/34—Edge-defined film-fed crystal-growth using dies or slits
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B17/00—Single-crystal growth onto a seed which remains in the melt during growth, e.g. Nacken-Kyropoulos method
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/546—Polycrystalline silicon PV cells
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- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Silicon Compounds (AREA)
Abstract
Description
도 2는 도 1의 다결정 실리콘 잉곳 제조 장치에서 도가니 내의 실리콘 융액의 응고 과정을 3개의 영역으로 구분하여 도시한 측단면도이다.
도 3은 도 1의 다결정 실리콘 잉곳 제조 장치에서 사용되는 도가니의 개략 설명도이다.
도 4a는 본 발명에 따른 실리콘 잉곳 제조장치에서 도가니의 내주면에 단결정 또는 다결정의 실리콘 로드를 일변 오목 사각기둥 형상으로 하여 배치한 구성예를 나타내는 평면도 및 측단면도이다.
도 4b는 본 발명에 따른 실리콘 잉곳 제조장치에서 도가니의 내주면에 단결정 또는 다결정의 실리콘 로드를 사다리꼴 형상으로 하여 배치한 구성예를 나타내는 평면도 및 측단면도이다.
도 5의 (a)는 일변 오목 사각기둥 형상의 실리콘 로드를 나타내는 사시도이고, (b)는 사다리꼴 형상의 실리콘 로드를 나타내는 사시도이다.
이 경우, 도 4a와 도 4b에 도시된 바와 같이, 복수의 단결정 또는 다결정 사각기둥을 도가니의 내주면에 인접하여 세워서 배치한다.
12... 틸플레이트
13... 상하 히터
14... 천정 히터
15... 단열재
16... 공급 파이프
20... 도가니
21... 도가니 본체
20a... 바닥면
Claims (4)
- 실리콘 사각기둥을 제조하는 단계;
복수의 단결정 또는 다결정 사각기둥을 도가니의 내주면을 따라 서로 인접시켜 배치함으로써 단결정 또는 다결정 사각기둥들에 둘러싸인 공간 내부에 청크를 장입할 수 있는 공간부를 형성하고, 단결정 또는 다결정 사각기둥의 일면과 도가니의 내측면 사이에 산소 배출공이 형성되도록 실리콘 사각기둥을 도가니의 내주면에 인접하여 세워서 배치하는 단계;
단결정 또는 다결정 사각기둥 내부의 청크를 장입할 수 있는 공간부에 실리콘 정크를 도가니 내부에 장입하는 단계; 및
청크의 용융 및 결정화 단계;
를 포함하되,
상기 단결정 또는 다결정 사각기둥은 상기 도가니의 바닥으로부터 도가니의 상단까지 이르고,
단결정 또는 다결정 사각기둥의 단면의 형상은 사다리꼴 형상()의 기둥 또는 직사각형의 한면에 오목부가 형성된 일변 오목사각 형상()의 기둥 중 어느 하나이며,
상기 단결정 또는 다결정 사각기둥이 사다리꼴 형상의 기둥인 경우, 단변이 도가니 내면을 향하도록 배치되고,
상기 단결정 또는 다결정 사각기둥이 일변 오목사각 형상인 경우, 상기 오목부가 도가니 내면을 향하도록 배치되는 것을 특징으로 하는 단결정 및 다결정 로드에 의해 도가니 내부에 산소 배출 통로를 형성하는 다결정 실리콘 잉곳 제조방법. - 삭제
- 삭제
- 삭제
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210108831A KR102366166B1 (ko) | 2021-08-18 | 2021-08-18 | 단결정 및 다결정 로드에 의해 도가니 내부에 산소 배출 통로를 형성하는 다결정 실리콘 잉곳 제조방법 |
| EP22180295.2A EP4137248A1 (en) | 2021-08-18 | 2022-06-22 | Method of manufacturing polycrystalline silicon ingot using a crucible in which an oxygen exhaust passage is formed by single crystal or polycrystalline rods |
| US17/858,776 US11913133B2 (en) | 2021-08-18 | 2022-07-06 | Method of manufacturing polycrystalline silicon ingot using a crucible in which an oxygen exhaust passage is formed by single crystal or polycrystalline rods |
| CN202210854266.7A CN115896943A (zh) | 2021-08-18 | 2022-07-14 | 在坩埚内部形成排氧通道的多晶硅锭制备方法 |
| TW111126486A TWI830288B (zh) | 2021-08-18 | 2022-07-14 | 在坩堝內部形成排氧通道的多晶矽錠製備方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210108831A KR102366166B1 (ko) | 2021-08-18 | 2021-08-18 | 단결정 및 다결정 로드에 의해 도가니 내부에 산소 배출 통로를 형성하는 다결정 실리콘 잉곳 제조방법 |
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| Publication Number | Publication Date |
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| KR102366166B1 true KR102366166B1 (ko) | 2022-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020210108831A Active KR102366166B1 (ko) | 2021-08-18 | 2021-08-18 | 단결정 및 다결정 로드에 의해 도가니 내부에 산소 배출 통로를 형성하는 다결정 실리콘 잉곳 제조방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11913133B2 (ko) |
| EP (1) | EP4137248A1 (ko) |
| KR (1) | KR102366166B1 (ko) |
| CN (1) | CN115896943A (ko) |
| TW (1) | TWI830288B (ko) |
Citations (7)
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| KR20010089806A (ko) * | 1999-01-13 | 2001-10-08 | 헨넬리 헬렌 에프 | 고품질 단결정 생산을 위한 다결정 실리콘의 적층 및 용융방법 |
| KR101057100B1 (ko) * | 2010-10-05 | 2011-08-17 | (주)기술과가치 | 혼합 효율이 개선된 내부 도가니 및 이를 포함하는 단결정 실리콘 잉곳 제조장치 |
| KR20120075427A (ko) * | 2010-12-28 | 2012-07-06 | 실트로닉 아게 | 실리콘 단결정 잉곳을 제조하는 방법 |
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| US7635414B2 (en) * | 2003-11-03 | 2009-12-22 | Solaicx, Inc. | System for continuous growing of monocrystalline silicon |
| NO324710B1 (no) * | 2004-12-29 | 2007-12-03 | Elkem Solar As | Fremgangsmate for fylling av digel med silisium av solcellekvalitet |
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| US20160348271A1 (en) * | 2015-05-29 | 2016-12-01 | Jagannathan Ravi | Integrated System of Silicon Casting and Float Zone Crystallization |
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2021
- 2021-08-18 KR KR1020210108831A patent/KR102366166B1/ko active Active
-
2022
- 2022-06-22 EP EP22180295.2A patent/EP4137248A1/en not_active Withdrawn
- 2022-07-06 US US17/858,776 patent/US11913133B2/en active Active
- 2022-07-14 TW TW111126486A patent/TWI830288B/zh active
- 2022-07-14 CN CN202210854266.7A patent/CN115896943A/zh active Pending
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| KR20010089806A (ko) * | 1999-01-13 | 2001-10-08 | 헨넬리 헬렌 에프 | 고품질 단결정 생산을 위한 다결정 실리콘의 적층 및 용융방법 |
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| KR20120075427A (ko) * | 2010-12-28 | 2012-07-06 | 실트로닉 아게 | 실리콘 단결정 잉곳을 제조하는 방법 |
| KR20130006815A (ko) * | 2011-06-24 | 2013-01-18 | (주)세미머티리얼즈 | 실리콘 시드를 이용한 실리콘 잉곳 제조방법 |
| KR20140141712A (ko) * | 2012-04-01 | 2014-12-10 | 장 시 사이 웨이 엘디케이 솔라 하이-테크 컴퍼니 리미티드 | 다결정 실리콘 잉곳, 이의 제조 방법 및 다결정 실리콘 웨이퍼 |
| KR20170094317A (ko) * | 2015-02-05 | 2017-08-17 | 와커 헤미 아게 | 다중결정 실리콘 제조방법 |
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| US11913133B2 (en) | 2024-02-27 |
| EP4137248A1 (en) | 2023-02-22 |
| US20230059953A1 (en) | 2023-02-23 |
| TWI830288B (zh) | 2024-01-21 |
| CN115896943A (zh) | 2023-04-04 |
| TW202321527A (zh) | 2023-06-01 |
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