KR100770190B1 - 무산소석출 초크랄스키 실리콘 웨이퍼 - Google Patents
무산소석출 초크랄스키 실리콘 웨이퍼 Download PDFInfo
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- KR100770190B1 KR100770190B1 KR1020017002599A KR20017002599A KR100770190B1 KR 100770190 B1 KR100770190 B1 KR 100770190B1 KR 1020017002599 A KR1020017002599 A KR 1020017002599A KR 20017002599 A KR20017002599 A KR 20017002599A KR 100770190 B1 KR100770190 B1 KR 100770190B1
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- wafer
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- oxygen
- heat
- cooled
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- 239000001301 oxygen Substances 0.000 title claims abstract description 78
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 78
- 235000012431 wafers Nutrition 0.000 title claims description 91
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title description 31
- 229910052710 silicon Inorganic materials 0.000 title description 31
- 239000010703 silicon Substances 0.000 title description 31
- 230000001376 precipitating effect Effects 0.000 title 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000000034 method Methods 0.000 claims abstract description 52
- 239000002244 precipitate Substances 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000001556 precipitation Methods 0.000 claims abstract description 21
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 150000002926 oxygen Chemical class 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 238000005121 nitriding Methods 0.000 claims description 4
- 239000011800 void material Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 24
- 238000004151 rapid thermal annealing Methods 0.000 abstract description 11
- 239000012530 fluid Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000007547 defect Effects 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 8
- 230000006911 nucleation Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000010899 nucleation Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000002231 Czochralski process Methods 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002109 crystal growth method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
-
- 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
- C30B15/206—Controlling or regulating the thermal history of growing the ingot
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (22)
- 기존 산소 석출물을 용해시키기 위해 초크랄스키 단결정 실리콘 웨이퍼를 열처리하는 방법으로서,후속하는 산소 석출 열처리에서 산소 석출물의 형성을 방지하기 위해 결정 격자 빈격자점 농도를 제어하도록, 약 1000ppma 이상의 산소 농도를 가진 분위기에서 약 1150℃ 이상의 온도로 급속 열적 어닐링기에서 상기 웨이퍼를 열처리하는 단계를 포함하는 것을 특징으로 하는 열처리 방법.
- 제 1 항에 있어서,상기 웨이퍼는 약 1200℃ 와 약 1275℃ 사이의 온도에서 열처리되는 것을 특징으로 하는 열처리 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 분위기는 약 2000ppma 이상의 산소 농도를 갖는 것을 특징으로 하는 열처리 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 분위기는 약 5000ppma 이상의 산소 농도를 갖는 것을 특징으로 하는 열처리 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 분위기는 약 10,000ppma 이상의 산소 농도를 갖는 것을 특징으로 하는 열처리 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 웨이퍼는 약 20초 이상 열처리되는 것을 특징으로 하는 열처리 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 웨이퍼는 약 40초 이상 열처리되는 것을 특징으로 하는 열처리 방법.
- 산소 석출물을 용해시키기 위해 초크랄스키 단결정 실리콘 웨이퍼를 열처리하는 방법으로서,약 1150℃ 이상의 온도로 급속 열적 어닐링기에서 상기 웨이퍼를 열처리하는 단계; 및상기 열처리된 웨이퍼를 산소 석출 열처리 할 때 상기 웨이퍼에서 산소 석출물이 형성되지 않을 값까지 단결정 실리콘에서의 빈격자점의 수밀도를 감소시키기 위해, 빈격자점이 상대적으로 이동성인 온도 범위에 걸친 열처리 동안에 얻어지는 최대 온도로부터의 냉각 속도를 제어하는 단계를 포함하는 것을 특징으로 하는 열처리 방법.
- 제 8 항에 있어서,상기 웨이퍼는 약 1200℃ 와 약 1275℃ 사이의 온도에서 열처리되는 것을 특징으로 하는 열처리 방법.
- 제 8 항에 있어서,상기 냉각 속도는, 상기 열처리 동안에 얻어지는 최대 온도와 약 900℃ 의 온도 사이에서 제어되는 것을 특징으로 하는 열처리 방법.
- 제 8 항 내지 제 10 항 중 어느 한 항에 있어서,상기 냉각 속도는 약 20℃/초 미만인 것을 특징으로 하는 열처리 방법.
- 제 8 항 내지 제 10 항 중 어느 한 항에 있어서,상기 냉각 속도는 약 10℃/초 미만인 것을 특징으로 하는 열처리 방법.
- 제 8 항 내지 제 10 항 중 어느 한 항에 있어서,상기 냉각 속도는 약 5℃/초 미만인 것을 특징으로 하는 열처리 방법.
- 제 8 항 내지 제 10 항 중 어느 한 항에 있어서,상기 웨이퍼는 질화 분위기에서 냉각되는 것을 특징으로 하는 열처리 방법.
- 제 8 항 내지 제 10 항 중 어느 한 항에 있어서,상기 웨이퍼는 산화 분위기에서 냉각되는 것을 특징으로 하는 열처리 방법.
- 제 8 항 내지 제 10 항 중 어느 한 항에 있어서,상기 웨이퍼는 비질화, 비산화 분위기에서 냉각되는 것을 특징으로 하는 열처리 방법.
- 산소 클러스터를 용해시키고 산소 석출 열처리로부터 발생하는 이후의 석출물의 형성을 방지하기 위해, 초크랄스키 단결정 실리콘 웨이퍼를 열처리하는 방법으로서,기존 산소 클러스터들을 용해시키기 위해 급속 열 어닐링기에서 약 1150℃ 이상의 온도로 상기 웨이퍼를 열처리하는 단계;약 20℃/초를 초과하는 속도로 약 950℃와 1150℃ 사이의 온도까지, 상기 열처리된 웨이퍼를 냉각시키는 단계; 및산소 석출 열처리를 받을 때에 산소 석출물을 형성할 수 없는 웨이퍼를 제조하기 위해, 약 950℃의 온도 미만으로 상기 웨이퍼를 냉각하기 전에, 상기 냉각된 웨이퍼에서의 결정 격자 빈격자점의 수밀도를 감소시키기에 충분한 시간 기간동안 약 950℃와 1150℃ 사이의 온도에서 상기 냉각된 웨이퍼를 열적으로 어닐링하는 단계를 포함하는 것을 특징으로 하는 열처리 방법.
- 제 17 항에 있어서,상기 웨이퍼는 약 1200℃와 약 1275℃ 사이의 온도에서 열처리되는 것을 특징으로 하는 열처리 방법.
- 제 17 항 또는 제 18 항에 있어서,상기 냉각된 웨이퍼는 약 950℃의 온도에서 약 2분간 열적으로 어닐링되는 것을 특징으로 하는 열처리 방법.
- 제 17 항 또는 제 18 항에 있어서,상기 냉각된 웨이퍼는 약 950℃의 온도에서 약 6분간 열적으로 어닐링되는 것을 특징으로 하는 열처리 방법.
- 제 17 항 또는 제 18 항에 있어서,상기 냉각된 웨이퍼는 약 1150℃의 온도에서 약 2초간 열적으로 어닐링되는 것을 특징으로 하는 열처리 방법.
- 제 17 항 또는 제 18 항에 있어서,상기 냉각된 웨이퍼는 약 1150℃의 온도에서 약 6초간 열적으로 어닐링되는 것을 특징으로 하는 열처리 방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9882298P | 1998-09-02 | 1998-09-02 | |
US60/098,822 | 1998-09-02 | ||
US09/379,383 | 1999-08-23 | ||
US09/379,383 US6336968B1 (en) | 1998-09-02 | 1999-08-23 | Non-oxygen precipitating czochralski silicon wafers |
Publications (2)
Publication Number | Publication Date |
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KR20010073067A KR20010073067A (ko) | 2001-07-31 |
KR100770190B1 true KR100770190B1 (ko) | 2007-10-25 |
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ID=26795148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020017002599A KR100770190B1 (ko) | 1998-09-02 | 1999-08-25 | 무산소석출 초크랄스키 실리콘 웨이퍼 |
Country Status (7)
Country | Link |
---|---|
US (3) | US6336968B1 (ko) |
EP (2) | EP2261958B1 (ko) |
JP (2) | JP2003524874A (ko) |
KR (1) | KR100770190B1 (ko) |
CN (1) | CN1181523C (ko) |
DE (1) | DE69937803T2 (ko) |
WO (1) | WO2000014776A2 (ko) |
Families Citing this family (31)
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US5994761A (en) * | 1997-02-26 | 1999-11-30 | Memc Electronic Materials Spa | Ideal oxygen precipitating silicon wafers and oxygen out-diffusion-less process therefor |
US6336968B1 (en) * | 1998-09-02 | 2002-01-08 | Memc Electronic Materials, Inc. | Non-oxygen precipitating czochralski silicon wafers |
WO2000013211A2 (en) * | 1998-09-02 | 2000-03-09 | Memc Electronic Materials, Inc. | Silicon on insulator structure from low defect density single crystal silicon |
WO2001021861A1 (en) * | 1999-09-23 | 2001-03-29 | Memc Electronic Materials, Inc. | Czochralski process for growing single crystal silicon by controlling the cooling rate |
JP2002043318A (ja) * | 2000-07-28 | 2002-02-08 | Shin Etsu Handotai Co Ltd | シリコン単結晶ウエーハの製造方法 |
WO2002066714A2 (en) * | 2001-01-02 | 2002-08-29 | Memc Electronic Materials, Inc. | Process for preparing single crystal silicon having improved gate oxide integrity |
WO2002059400A2 (en) | 2001-01-26 | 2002-08-01 | Memc Electronic Materials, Inc. | Low defect density silicon substantially free of oxidation induced stacking faults having a vacancy-dominated core |
WO2002084728A1 (en) * | 2001-04-11 | 2002-10-24 | Memc Electronic Materials, Inc. | Control of thermal donor formation in high resistivity cz silicon |
DE10205084B4 (de) * | 2002-02-07 | 2008-10-16 | Siltronic Ag | Verfahren zur thermischen Behandlung einer Siliciumscheibe sowie dadurch hergestellte Siliciumscheibe |
KR100745309B1 (ko) * | 2002-04-10 | 2007-08-01 | 엠이엠씨 일렉트로닉 머티리얼즈 인코포레이티드 | 이상적인 산소 침전 실리콘 웨이퍼에서 디누드 구역깊이를 조절하기 위한 방법 |
KR20040007025A (ko) * | 2002-07-16 | 2004-01-24 | 주식회사 하이닉스반도체 | 반도체 웨이퍼 제조 방법 |
WO2004073057A1 (ja) * | 2003-02-14 | 2004-08-26 | Sumitomo Mitsubishi Silicon Corporation | シリコンウェーハの製造方法 |
KR100531552B1 (ko) * | 2003-09-05 | 2005-11-28 | 주식회사 하이닉스반도체 | 실리콘 웨이퍼 및 그 제조방법 |
EP1882057A2 (en) * | 2005-05-19 | 2008-01-30 | MEMC Electronic Materials, Inc. | A high resistivity silicon structure and a process for the preparation thereof |
US7485928B2 (en) * | 2005-11-09 | 2009-02-03 | Memc Electronic Materials, Inc. | Arsenic and phosphorus doped silicon wafer substrates having intrinsic gettering |
US20090004458A1 (en) * | 2007-06-29 | 2009-01-01 | Memc Electronic Materials, Inc. | Diffusion Control in Heavily Doped Substrates |
US20090004426A1 (en) * | 2007-06-29 | 2009-01-01 | Memc Electronic Materials, Inc. | Suppression of Oxygen Precipitation in Heavily Doped Single Crystal Silicon Substrates |
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EP1114441B1 (en) | 2007-12-19 |
US20020000185A1 (en) | 2002-01-03 |
US6336968B1 (en) | 2002-01-08 |
DE69937803D1 (de) | 2008-01-31 |
JP2003524874A (ja) | 2003-08-19 |
CN1319253A (zh) | 2001-10-24 |
EP2261958A3 (en) | 2010-12-22 |
US6709511B2 (en) | 2004-03-23 |
JP4448547B2 (ja) | 2010-04-14 |
JP2009094533A (ja) | 2009-04-30 |
WO2000014776A3 (en) | 2000-08-24 |
KR20010073067A (ko) | 2001-07-31 |
EP1114441A2 (en) | 2001-07-11 |
WO2000014776A2 (en) | 2000-03-16 |
US20020189528A1 (en) | 2002-12-19 |
EP2261958A2 (en) | 2010-12-15 |
CN1181523C (zh) | 2004-12-22 |
EP2261958B1 (en) | 2013-04-24 |
US6432197B2 (en) | 2002-08-13 |
DE69937803T2 (de) | 2008-12-04 |
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