KR20060128662A - Igbt 용 실리콘 웨이퍼 및 그 제조 방법 - Google Patents
Igbt 용 실리콘 웨이퍼 및 그 제조 방법 Download PDFInfo
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- KR20060128662A KR20060128662A KR1020060050257A KR20060050257A KR20060128662A KR 20060128662 A KR20060128662 A KR 20060128662A KR 1020060050257 A KR1020060050257 A KR 1020060050257A KR 20060050257 A KR20060050257 A KR 20060050257A KR 20060128662 A KR20060128662 A KR 20060128662A
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 135
- 239000010703 silicon Substances 0.000 title claims abstract description 135
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 46
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000001301 oxygen Substances 0.000 claims abstract description 75
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 75
- 238000000034 method Methods 0.000 claims abstract description 45
- 238000000137 annealing Methods 0.000 claims abstract description 42
- 239000012298 atmosphere Substances 0.000 claims abstract description 29
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 19
- 239000011574 phosphorus Substances 0.000 claims abstract description 19
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 19
- 229920005591 polysilicon Polymers 0.000 claims abstract description 12
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 claims abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 64
- 239000013078 crystal Substances 0.000 claims description 41
- 229910052757 nitrogen Inorganic materials 0.000 claims description 32
- 230000007547 defect Effects 0.000 claims description 21
- 230000001590 oxidative effect Effects 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 9
- 238000002798 spectrophotometry method Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract 1
- 235000012431 wafers Nutrition 0.000 description 154
- 238000010438 heat treatment Methods 0.000 description 36
- 239000000758 substrate Substances 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 230000006798 recombination Effects 0.000 description 11
- 238000005215 recombination Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 239000010453 quartz Substances 0.000 description 10
- 238000009826 distribution Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 8
- 239000012300 argon atmosphere Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000005247 gettering Methods 0.000 description 5
- 238000011109 contamination Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000004854 X-ray topography Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 150000003376 silicon Chemical class 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 239000012535 impurity Substances 0.000 description 1
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- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XUIMIQQOPSSXEZ-NJFSPNSNSA-N silicon-30 atom Chemical compound [30Si] XUIMIQQOPSSXEZ-NJFSPNSNSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004857 zone melting Methods 0.000 description 1
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- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/30—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by physical imperfections; having polished or roughened surface
- H01L29/32—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by physical imperfections; having polished or roughened surface the imperfections being within the semiconductor body
-
- 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
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/322—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections
- H01L21/3221—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections of silicon bodies, e.g. for gettering
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/322—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections
- H01L21/3221—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections of silicon bodies, e.g. for gettering
- H01L21/3225—Thermally inducing defects using oxygen present in the silicon body for intrinsic gettering
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
Abstract
Description
Claims (7)
- 초크랄스키법에 의해 격자간 산소 농도 [Oi] 가 7.0×1017atoms/㎤ 이하인 실리콘 잉곳을 형성하고,상기 실리콘 잉곳에 중성자선을 조사하여 인을 도핑한 후 웨이퍼를 잘라내고, 상기 웨이퍼에 대하여 적어도 산소를 함유하는 분위기에 있어서 하기 식 (1) 을 만족시키는 온도 T(℃) 에서 어닐링을 하며,단, 상기 [Oi] 은 ASTM F-121 (1979) 로 규격된 푸리에 변환 적외 분광 광도법에 의한 측정치이고, 상기 k 는 볼츠만 상수 (8.617×10-5(eV/K)) 이며,상기 웨이퍼의 일면측에 폴리실리콘층 또는 변형층을 형성하는, IGBT 용 실리콘 웨이퍼의 제조 방법.
- 제 1 항에 있어서,상기 실리콘 잉곳을 형성할 때에 질소를 도핑하여, 질소 농도가 2×1013atoms/㎤ 이상 5×1015atoms/㎤ 이하인 실리콘 잉곳을 형성하는, IGBT 용 실리콘 웨이퍼의 제조 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 산화 분위기 어닐링 후에, 웨이퍼 표면의 연마를 실시하는 것을 특징으로 하는, IGBT 용 실리콘 웨이퍼의 제조 방법.
- 제 1 항 또는 제 2 항에 기재된 IGBT 용 실리콘 웨이퍼의 제조 방법에 의해서 얻어지는 것을 특징으로 하는, IGBT 용 실리콘 웨이퍼.
- 제 3 항에 기재된 IGBT 용 실리콘 웨이퍼의 제조 방법에 의해서 얻어지는 것을 특징으로 하는, IGBT 용 실리콘 웨이퍼.
- 초크랄스키법으로 제조된 실리콘 잉곳에서 잘라진 IGBT 용 실리콘 웨이퍼로서,격자간 산소 농도 [Oi] 가 7.0×1017atoms/㎤ 이하인 것과 함께 인이 도핑되어 되어 이루어지고,일면측에 폴리실리콘층 또는 변형층이 형성되며,웨이퍼 내부의 COP 밀도가 4.4×104 개/㎤ 이하이고,800℃ 에서 4 시간 및 1000℃ 에서 16 시간의 2 단 열처리를 행한 후 결정 결함 밀도가 5×107 개/㎤ 이하인, IGBT 용 실리콘 웨이퍼.
- 제 6 항에 있어서,질소 농도가 2×1013atoms/㎤ 이상 5×1015atoms/㎤ 이하인, IGBT 용 실리콘 웨이퍼.
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JP2005169929A JP5188673B2 (ja) | 2005-06-09 | 2005-06-09 | Igbt用のシリコンウェーハ及びその製造方法 |
JPJP-P-2005-00169929 | 2005-06-09 |
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KR20060128662A true KR20060128662A (ko) | 2006-12-14 |
KR100724329B1 KR100724329B1 (ko) | 2007-06-04 |
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KR1020060050257A KR100724329B1 (ko) | 2005-06-09 | 2006-06-05 | Igbt 용 실리콘 웨이퍼 및 그 제조 방법 |
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US (2) | US7344689B2 (ko) |
EP (1) | EP1732114B1 (ko) |
JP (1) | JP5188673B2 (ko) |
KR (1) | KR100724329B1 (ko) |
CN (1) | CN100527369C (ko) |
Families Citing this family (39)
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JP5188673B2 (ja) * | 2005-06-09 | 2013-04-24 | 株式会社Sumco | Igbt用のシリコンウェーハ及びその製造方法 |
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JP4760729B2 (ja) * | 2006-02-21 | 2011-08-31 | 株式会社Sumco | Igbt用のシリコン単結晶ウェーハ及びigbt用のシリコン単結晶ウェーハの製造方法 |
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US20080292523A1 (en) * | 2007-05-23 | 2008-11-27 | Sumco Corporation | Silicon single crystal wafer and the production method |
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JP5304649B2 (ja) * | 2007-08-21 | 2013-10-02 | 株式会社Sumco | Igbt用のシリコン単結晶ウェーハの製造方法 |
JPWO2009025341A1 (ja) * | 2007-08-21 | 2010-11-25 | 株式会社Sumco | Igbt用のシリコン単結晶ウェーハ及びigbt用のシリコン単結晶ウェーハの製造方法 |
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US7846252B2 (en) | 2010-12-07 |
JP5188673B2 (ja) | 2013-04-24 |
US20080102287A1 (en) | 2008-05-01 |
EP1732114A2 (en) | 2006-12-13 |
US20070000427A1 (en) | 2007-01-04 |
CN100527369C (zh) | 2009-08-12 |
US7344689B2 (en) | 2008-03-18 |
KR100724329B1 (ko) | 2007-06-04 |
EP1732114A3 (en) | 2009-09-23 |
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