KR20070115711A - 실리콘 단결정의 육성 프로세스에 있어서의 융액의 액면위치 감시 장치 - Google Patents
실리콘 단결정의 육성 프로세스에 있어서의 융액의 액면위치 감시 장치 Download PDFInfo
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- 239000013078 crystal Substances 0.000 title claims abstract description 207
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 184
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 184
- 239000010703 silicon Substances 0.000 title claims abstract description 184
- 238000000034 method Methods 0.000 title claims abstract description 169
- 238000012544 monitoring process Methods 0.000 title claims abstract description 33
- 239000012530 fluid Substances 0.000 title 1
- 239000007788 liquid Substances 0.000 claims abstract description 201
- 239000000155 melt Substances 0.000 claims abstract description 178
- 238000007654 immersion Methods 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 36
- 239000002994 raw material Substances 0.000 claims description 19
- 238000012806 monitoring device Methods 0.000 claims description 15
- 238000002791 soaking Methods 0.000 claims description 15
- 238000010309 melting process Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 5
- 238000010899 nucleation Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- 238000001816 cooling Methods 0.000 abstract description 21
- 230000007547 defect Effects 0.000 description 24
- 238000010586 diagram Methods 0.000 description 13
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 230000002535 lyotropic effect Effects 0.000 description 6
- 238000013459 approach Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000007562 laser obscuration time method Methods 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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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
- C30B15/20—Controlling or regulating
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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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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1004—Apparatus with means for measuring, testing, or sensing
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1004—Apparatus with means for measuring, testing, or sensing
- Y10T117/1008—Apparatus with means for measuring, testing, or sensing with responsive control means
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1004—Apparatus with means for measuring, testing, or sensing
- Y10T117/1012—Apparatus with means for measuring, testing, or sensing with a window or port for visual observation or examination
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
- Y10T117/1032—Seed pulling
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
- Y10T117/1032—Seed pulling
- Y10T117/1072—Seed pulling including details of means providing product movement [e.g., shaft guides, servo means]
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- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (5)
- 초크랄스키법을 이용한 실리콘 단결정의 육성 프로세스에 있어서의 도가니 내의 융액의 액면 위치를 시드를 담글 때의 융액의 액면 위치를 기준 위치로서 감시하는 장치로서,융액의 액면 위치를 관측하는 수단과, 도가니 위치를 관측하는 수단과, 융액의 액면으로부터 끌어올려진 실리콘 단결정의 형상을 기억하는 수단과, 상기 관측된 융액의 액면 위치, 도가니 위치 및 상기 기억된 실리콘 단결정의 형상으로부터 융액의 상정 액면 위치를 산출하는 수단과, 제어 주기마다 상기 융액의 상정 액면 위치를 시퀀스 회로에 송신함으로써 도가니의 상승 및 하강을 제어하는 수단을 구비하고,상기 융액의 상정 액면 위치가 상한 위치를 넘는 경우에는 도가니의 상승을 정지하는 것을 특징으로 하는 실리콘 단결정의 육성 프로세스에 있어서의 융액의 액면 위치 감시 장치.
- 청구항 1에 있어서, 상기 융액의 상정 액면 위치가 상한 직전 위치를 넘는 경우에는 경보를 발생하는 것을 특징으로 하는 실리콘 단결정의 육성 프로세스에 있어서의 융액의 액면 위치 감시 장치.
- 청구항 1 또는 2에 있어서, 상기 융액의 상정 액면 위치를 산출하는 수단이, 진공으로 되는 프로세스, 원료 용융 프로세스 및 시드를 담그는 프로세스에 있어서의 융액의 상정 액면 위치로서, 하기의 (1)식으로 얻어지는 상대 액면 위치(h1)를 이용하는 것을 특징으로 하는 실리콘 단결정의 육성 프로세스에 있어서의 융액의 액면 위치 감시 장치.h1=DM … (1)단, h1 : 시드를 담근 후의 상기 기준 위치로부터의 상대 액면 위치(㎜)DM : 시드를 담근 후의 도가니의 이동량(㎜)
- 청구항 1 또는 2에 있어서, 상기 융액의 상정 액면 위치를 산출하는 수단이, 네크부 육성 프로세스, 숄더부 육성 프로세스, 직동부 육성 프로세스, 테일부 육성 프로세스 및 실리콘 단결정의 육성 완료 후에 있어서, 실리콘 단결정이 융액으로부터 분리된 상태에 있어서의 융액의 상정 액면 위치로서, 하기의 (2)식으로 얻어지는 상대 액면 위치(h2)를 이용하는 것을 특징으로 하는 실리콘 단결정의 육성 프로세스에 있어서의 융액의 액면 위치 감시 장치.h2=hR+CM … (2)단, h2 : 실리콘 단결정이 융액으로부터 분리된 상태의 상기 기준 위치로부터의 상대 액면 위치(㎜)hR : 실리콘 단결정을 융액으로부터 분리할 때의 상기 기준 위치로부터의 상 대 액면 위치(㎜)CM : 실리콘 단결정을 융액으로부터 분리한 후의 도가니의 이동량(㎜)
- 청구항 1 또는 2에 있어서, 상기 융액의 상정 액면 위치를 산출하는 수단이, 네크부 육성 프로세스, 숄더부 육성 프로세스, 직동부 육성 프로세스 및 테일부 육성 프로세스에 있어서, 육성 도중에 끌어올린 실리콘 단결정을 다시 융해시키기 위해서 융액에 침지할 때의 융액의 상정 액면 위치로서, 하기의 (3)식으로 얻어지는 상대 액면 위치(h3)를 이용하는 것을 특징으로 하는 실리콘 단결정의 육성 프로세스에 있어서의 융액의 액면 위치 감시 장치.단, h3:실리콘 단결정을 융액에 침지할 때의 상기 기준 위치로부터의 상대 액면 위치(㎜)h2 : 실리콘 단결정이 융액으로부터 분리된 상태의 상기 기준 위치로부터의 상대 액면 위치(㎜)GS :실리콘의 고체 비중(2.33×10-3)GL:실리콘의 액체 비중(2.53×10-3)SM :실리콘 단결정을 융액으로부터 분리한 후의 시드의 이동량(㎜)CM :실리콘 단결정을 융액으로부터 분리한 후의 도가니의 이동량(㎜)SD :융액의 액면으로부터 끌어올려진 실리콘 단결정의 직경(㎜)CD:융액의 표면의 직경(㎜)
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JP2006149890A JP4784401B2 (ja) | 2006-05-30 | 2006-05-30 | シリコン単結晶の育成プロセスにおける融液の液面位置監視装置 |
JPJP-P-2006-00149890 | 2006-05-30 |
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KR20070115711A true KR20070115711A (ko) | 2007-12-06 |
KR100835050B1 KR100835050B1 (ko) | 2008-06-03 |
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US (1) | US8012258B2 (ko) |
EP (1) | EP1862571B1 (ko) |
JP (1) | JP4784401B2 (ko) |
KR (1) | KR100835050B1 (ko) |
CN (1) | CN101126173B (ko) |
TW (1) | TW200806824A (ko) |
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JP4918897B2 (ja) | 2007-08-29 | 2012-04-18 | 株式会社Sumco | シリコン単結晶引上方法 |
JP5417735B2 (ja) * | 2008-04-21 | 2014-02-19 | 株式会社Sumco | シリコン単結晶の育成方法 |
CN101982569B (zh) * | 2010-11-24 | 2013-04-24 | 浙江昱辉阳光能源有限公司 | 直拉单晶炉硅液面位置控制方法及装置 |
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-
2006
- 2006-05-30 JP JP2006149890A patent/JP4784401B2/ja active Active
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2007
- 2007-05-23 TW TW096118286A patent/TW200806824A/zh unknown
- 2007-05-25 US US11/802,792 patent/US8012258B2/en active Active
- 2007-05-29 CN CN2007101064335A patent/CN101126173B/zh active Active
- 2007-05-30 EP EP07010717.2A patent/EP1862571B1/en active Active
- 2007-05-30 KR KR1020070052648A patent/KR100835050B1/ko active IP Right Grant
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Publication number | Priority date | Publication date | Assignee | Title |
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KR101398304B1 (ko) * | 2008-07-31 | 2014-05-27 | 가부시키가이샤 사무코 | 반도체 결정 성장 시스템에서의 역 작용 직경 제어 |
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Publication number | Publication date |
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JP4784401B2 (ja) | 2011-10-05 |
JP2007320782A (ja) | 2007-12-13 |
US20070277727A1 (en) | 2007-12-06 |
US8012258B2 (en) | 2011-09-06 |
CN101126173A (zh) | 2008-02-20 |
KR100835050B1 (ko) | 2008-06-03 |
CN101126173B (zh) | 2010-12-01 |
TW200806824A (en) | 2008-02-01 |
EP1862571A1 (en) | 2007-12-05 |
TWI349048B (ko) | 2011-09-21 |
EP1862571B1 (en) | 2016-08-10 |
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