KR20120138035A - 잉곳 성장 제어시스템 및 이를 포함하는 잉곳 성장장치 - Google Patents
잉곳 성장 제어시스템 및 이를 포함하는 잉곳 성장장치 Download PDFInfo
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- KR20120138035A KR20120138035A KR1020110057299A KR20110057299A KR20120138035A KR 20120138035 A KR20120138035 A KR 20120138035A KR 1020110057299 A KR1020110057299 A KR 1020110057299A KR 20110057299 A KR20110057299 A KR 20110057299A KR 20120138035 A KR20120138035 A KR 20120138035A
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- ingot
- temperature
- pulling speed
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- 239000013078 crystal Substances 0.000 claims abstract description 35
- 230000011218 segmentation Effects 0.000 claims abstract description 19
- 239000000155 melt Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 15
- 229910052710 silicon Inorganic materials 0.000 description 15
- 239000010703 silicon Substances 0.000 description 15
- 230000007547 defect Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000012937 correction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 235000012431 wafers Nutrition 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000002109 crystal growth method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004886 process control Methods 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
-
- 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
- C30B15/203—Controlling or regulating the relationship of pull rate (v) to axial thermal gradient (G)
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02002—Preparing wafers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
실시예에 따른 잉곳 성장 제어시스템은 도가니에 구비된 융액으로부터 성장되는 단결정 잉곳의 인상속도를 제어하는 인상속도 제어부;를 포함하고, 상기 인상속도 제어부는 펄스(Pulse)를 이용한 온도 세분화 제어부를 포함할 수 있다.
Description
도 2는 종래기술에서 온도보정에 따른 성장속도 반응 예시도.
도 3은 실시예에 따른 잉곳 성장 제어시스템을 포함하는 잉곳 성장장치의 개념도.
도 4는 실시예에 따른 잉곳 성장 제어시스템의 로직 예시도.
도 5는 실시예에 따른 잉곳 성장 제어시스템에서 펄스(Pulse)를 이용한 온도세분화 예시도
도 6은 실시예에 따른 잉곳 성장 제어시스템 적용시 온도보정에 따른 성장속도 반응 예시도.
Claims (6)
- 도가니에 구비된 융액으로부터 성장되는 단결정 잉곳의 인상속도를 제어하는 인상속도 제어부;를 포함하고,
상기 인상속도 제어부는 펄스(Pulse)를 이용한 온도 세분화 제어부를 포함하는 잉곳 성장 제어시스템. - 제1 항에 있어서,
상기 단결정 잉곳의 직경을 측정하는 직경측정센서;
상기 융액의 온도를 측정하는 온도측정센서; 및
상기 도가니의 측면에 구비되는 히터의 온도를 제어하는 온도제어부;를 더 포함하는 잉곳 성장 제어시스템. - 제1 항에 있어서,
상기 온도 세분화 제어부는,
펄스폭 변조(PWM: Pulse Width Modulation) 제어방법에 의한 전력제어를 통해 온도제어를 세분화할 수 있는 잉곳 성장 제어시스템. - 제1 항에 있어서,
상기 잉곳 성장 제어시스템은,
온도세분화, 평균시간 제어, 및 인터벌 타임(Interval time) 제어에 따른 정밀 제어가 가능한 잉곳 성장 제어시스템. - 제1 항에 있어서,
상기 평균시간은 5~60분, 상기 인터벌 타임(Interval time)은 1~30분 범위로 제어하는 잉곳 성장 제어시스템. - 제1 항 내지 제5 항 중 어느 하나의 잉곳 성장 제어시스템을 포함하는 잉곳 성장 장치.
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KR1020110057299A KR101277396B1 (ko) | 2011-06-14 | 2011-06-14 | 잉곳 성장 제어장치 |
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KR1020110057299A KR101277396B1 (ko) | 2011-06-14 | 2011-06-14 | 잉곳 성장 제어장치 |
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KR20120138035A true KR20120138035A (ko) | 2012-12-24 |
KR101277396B1 KR101277396B1 (ko) | 2013-06-20 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101443492B1 (ko) * | 2013-01-24 | 2014-09-22 | 주식회사 엘지실트론 | 잉곳 성장 제어장치 및 이를 구비한 잉곳 성장장치 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101494533B1 (ko) | 2013-06-28 | 2015-02-17 | 웅진에너지 주식회사 | 실리콘 단결정 성장 장치의 인상 속도 제어 시스템 및 그 방법 |
KR101625433B1 (ko) * | 2014-08-22 | 2016-05-30 | 주식회사 엘지실트론 | 단결정 실리콘 잉곳 제조 방법 및 장치 |
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US6776840B1 (en) * | 1999-03-22 | 2004-08-17 | Memc Electronic Materials, Inc. | Method and apparatus for controlling diameter of a silicon crystal in a locked seed lift growth process |
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Cited By (1)
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KR101443492B1 (ko) * | 2013-01-24 | 2014-09-22 | 주식회사 엘지실트론 | 잉곳 성장 제어장치 및 이를 구비한 잉곳 성장장치 |
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