DE60010496T2 - Czochralski-Verfahren zur Herstellung Silizium-Einkristalle durch Steuerung der Abkühlgeschwindigkeit - Google Patents
Czochralski-Verfahren zur Herstellung Silizium-Einkristalle durch Steuerung der Abkühlgeschwindigkeit Download PDFInfo
- Publication number
- DE60010496T2 DE60010496T2 DE60010496T DE60010496T DE60010496T2 DE 60010496 T2 DE60010496 T2 DE 60010496T2 DE 60010496 T DE60010496 T DE 60010496T DE 60010496 T DE60010496 T DE 60010496T DE 60010496 T2 DE60010496 T2 DE 60010496T2
- Authority
- DE
- Germany
- Prior art keywords
- region
- axial length
- constant diameter
- defects
- blank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 127
- 229910052710 silicon Inorganic materials 0.000 title claims description 119
- 239000010703 silicon Substances 0.000 title claims description 119
- 238000001816 cooling Methods 0.000 title claims description 68
- 238000002231 Czochralski process Methods 0.000 title 1
- 230000007547 defect Effects 0.000 claims description 260
- 238000000034 method Methods 0.000 claims description 118
- 239000013078 crystal Substances 0.000 claims description 101
- 238000007711 solidification Methods 0.000 claims description 19
- 230000008023 solidification Effects 0.000 claims description 19
- 238000010791 quenching Methods 0.000 claims description 18
- 230000000171 quenching effect Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- 230000035784 germination Effects 0.000 claims description 2
- 230000004323 axial length Effects 0.000 claims 48
- 230000007613 environmental effect Effects 0.000 claims 1
- 230000006911 nucleation Effects 0.000 description 88
- 238000010899 nucleation Methods 0.000 description 88
- 235000012431 wafers Nutrition 0.000 description 61
- 238000006243 chemical reaction Methods 0.000 description 25
- 230000008569 process Effects 0.000 description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 18
- 238000005054 agglomeration Methods 0.000 description 18
- 230000002776 aggregation Effects 0.000 description 18
- 230000015572 biosynthetic process Effects 0.000 description 18
- 229910052802 copper Inorganic materials 0.000 description 17
- 239000010949 copper Substances 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 13
- 238000013459 approach Methods 0.000 description 12
- 239000000155 melt Substances 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 11
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000005034 decoration Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000005530 etching Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000005121 nitriding Methods 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009467 reduction Effects 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
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000004971 IR microspectroscopy Methods 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007246 mechanism 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
- 230000000802 nitrating effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052705 radium Inorganic materials 0.000 description 1
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- 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
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15572599P | 1999-09-23 | 1999-09-23 | |
| US155725P | 1999-09-23 | ||
| PCT/US2000/025525 WO2001021861A1 (en) | 1999-09-23 | 2000-09-18 | Czochralski process for growing single crystal silicon by controlling the cooling rate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60010496D1 DE60010496D1 (de) | 2004-06-09 |
| DE60010496T2 true DE60010496T2 (de) | 2005-04-07 |
Family
ID=22556551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60010496T Expired - Lifetime DE60010496T2 (de) | 1999-09-23 | 2000-09-18 | Czochralski-Verfahren zur Herstellung Silizium-Einkristalle durch Steuerung der Abkühlgeschwindigkeit |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20030196587A1 (enExample) |
| EP (1) | EP1222324B1 (enExample) |
| JP (1) | JP2003510235A (enExample) |
| KR (1) | KR100745311B1 (enExample) |
| DE (1) | DE60010496T2 (enExample) |
| TW (1) | TW571006B (enExample) |
| WO (1) | WO2001021861A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7105050B2 (en) | 2000-11-03 | 2006-09-12 | Memc Electronic Materials, Inc. | Method for the production of low defect density silicon |
| US6858307B2 (en) | 2000-11-03 | 2005-02-22 | Memc Electronic Materials, Inc. | Method for the production of low defect density silicon |
| US8529695B2 (en) | 2000-11-22 | 2013-09-10 | Sumco Corporation | Method for manufacturing a silicon wafer |
| DE10066124B4 (de) * | 2000-11-24 | 2007-12-13 | Mitsubishi Materials Silicon Corp. | Silicium-Wafer |
| EP2295619B1 (en) * | 2001-01-26 | 2014-04-23 | MEMC Electronic Materials, Inc. | Process for producing Low Defect Density Silicon Having a Vacancy-Dominated Core Substantially Free of Oxidation Induced Stacking Faults |
| CN1327041C (zh) | 2002-11-12 | 2007-07-18 | Memc电子材料有限公司 | 用于生长单晶锭的拉晶机和方法 |
| WO2005029547A2 (en) | 2003-09-16 | 2005-03-31 | The Trustees Of Columbia University In The City Of New York | Enhancing the width of polycrystalline grains with mask |
| KR101385810B1 (ko) * | 2006-05-19 | 2014-04-16 | 엠이엠씨 일렉트로닉 머티리얼즈, 인크. | Ｃｚ 성장 동안에 실리콘 단결정의 측면에 의해 유도되는 응집된 점 결함 및 산소 클러스터 형성을 제어하는 방법 |
| ITTO20110335A1 (it) * | 2011-04-14 | 2012-10-15 | Consiglio Nazionale Ricerche | Procedimento di formazione di cristalli massivi, in particolare monocristalli di fluoruri drogati con ioni di terre rare |
| JP6716344B2 (ja) * | 2016-06-01 | 2020-07-01 | グローバルウェーハズ・ジャパン株式会社 | シリコンウェーハの熱処理方法 |
| SG11202110994TA (en) | 2019-04-11 | 2021-10-28 | Globalwafers Co Ltd | Process for preparing ingot having reduced distortion at late body length |
| CN113728129B (zh) | 2019-04-18 | 2024-09-03 | 环球晶圆股份有限公司 | 使用连续柴可斯基(czochralski)方法生长单晶硅锭的方法 |
| EP4028583B1 (en) | 2019-09-13 | 2023-10-04 | GlobalWafers Co., Ltd. | Method for growing a nitrogen doped single crystal silicon ingot using continuous czochralski method |
| CN114182355B (zh) * | 2021-11-30 | 2023-03-28 | 徐州鑫晶半导体科技有限公司 | 消除间隙型缺陷B-swirl的方法、硅片及电子器件 |
| US20250293073A1 (en) | 2024-03-18 | 2025-09-18 | Globalwafers Co., Ltd. | Reclaimable donor substrates for use in preparing multiple silicon-on-insulator structures |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232995A (ja) * | 1983-06-10 | 1984-12-27 | Sumitomo Electric Ind Ltd | 引上単結晶の冷却方法 |
| US5264189A (en) * | 1988-02-23 | 1993-11-23 | Mitsubishi Materials Corporation | Apparatus for growing silicon crystals |
| US4981549A (en) * | 1988-02-23 | 1991-01-01 | Mitsubishi Kinzoku Kabushiki Kaisha | Method and apparatus for growing silicon crystals |
| IT1280041B1 (it) * | 1993-12-16 | 1997-12-29 | Wacker Chemitronic | Procedimento per il tiraggio di un monocristallo di silicio |
| JP3285111B2 (ja) * | 1994-12-05 | 2002-05-27 | 信越半導体株式会社 | 結晶欠陥の少ないシリコン単結晶の製造方法 |
| JP3085146B2 (ja) * | 1995-05-31 | 2000-09-04 | 住友金属工業株式会社 | シリコン単結晶ウェーハおよびその製造方法 |
| JPH08337490A (ja) * | 1995-06-09 | 1996-12-24 | Shin Etsu Handotai Co Ltd | 結晶欠陥の少ないシリコン単結晶及びその製造方法 |
| JP3006669B2 (ja) * | 1995-06-20 | 2000-02-07 | 信越半導体株式会社 | 結晶欠陥の均一なシリコン単結晶の製造方法およびその製造装置 |
| US5676751A (en) * | 1996-01-22 | 1997-10-14 | Memc Electronic Materials, Inc. | Rapid cooling of CZ silicon crystal growth system |
| US5840120A (en) * | 1996-01-22 | 1998-11-24 | Memc Electronic Materials, Inc. | Apparatus for controlling nucleation of oxygen precipitates in silicon crystals |
| DE19637182A1 (de) * | 1996-09-12 | 1998-03-19 | Wacker Siltronic Halbleitermat | Verfahren zur Herstellung von Halbleiterscheiben aus Silicium mit geringer Defektdichte |
| JPH10152395A (ja) * | 1996-11-21 | 1998-06-09 | Komatsu Electron Metals Co Ltd | シリコン単結晶の製造方法 |
| US6045610A (en) * | 1997-02-13 | 2000-04-04 | Samsung Electronics Co., Ltd. | Methods of manufacturing monocrystalline silicon ingots and wafers by controlling pull rate profiles in a hot zone furnance |
| US5994761A (en) * | 1997-02-26 | 1999-11-30 | Memc Electronic Materials Spa | Ideal oxygen precipitating silicon wafers and oxygen out-diffusion-less process therefor |
| DE19711922A1 (de) * | 1997-03-21 | 1998-09-24 | Wacker Siltronic Halbleitermat | Vorrichtung und Verfahren zum Ziehen eines Einkristalls |
| KR20010006202A (ko) * | 1997-04-09 | 2001-01-26 | 헨넬리 헬렌 에프 | 저결함밀도, 이상적 산소침전 실리콘 |
| CN101070621B (zh) | 1997-04-09 | 2012-09-05 | Memc电子材料有限公司 | 低缺陷密度、理想氧沉淀的硅 |
| JPH1179889A (ja) * | 1997-07-09 | 1999-03-23 | Shin Etsu Handotai Co Ltd | 結晶欠陥が少ないシリコン単結晶の製造方法、製造装置並びにこの方法、装置で製造されたシリコン単結晶とシリコンウエーハ |
| DE19983188T1 (de) * | 1998-05-01 | 2001-05-10 | Nippon Steel Corp | Siliziumhalbleitersubstrat und Verfahren zu dessen Herstellung |
| JPH11349393A (ja) * | 1998-06-03 | 1999-12-21 | Shin Etsu Handotai Co Ltd | シリコン単結晶ウエーハおよびシリコン単結晶ウエーハの製造方法 |
| US6077343A (en) * | 1998-06-04 | 2000-06-20 | Shin-Etsu Handotai Co., Ltd. | Silicon single crystal wafer having few defects wherein nitrogen is doped and a method for producing it |
| US6236104B1 (en) * | 1998-09-02 | 2001-05-22 | Memc Electronic Materials, Inc. | Silicon on insulator structure from low defect density single crystal silicon |
| US6336968B1 (en) * | 1998-09-02 | 2002-01-08 | Memc Electronic Materials, Inc. | Non-oxygen precipitating czochralski silicon wafers |
| US6361619B1 (en) * | 1998-09-02 | 2002-03-26 | Memc Electronic Materials, Inc. | Thermally annealed wafers having improved internal gettering |
| US6284384B1 (en) * | 1998-12-09 | 2001-09-04 | Memc Electronic Materials, Inc. | Epitaxial silicon wafer with intrinsic gettering |
| US6197111B1 (en) * | 1999-02-26 | 2001-03-06 | Memc Electronic Materials, Inc. | Heat shield assembly for crystal puller |
| US6376395B2 (en) * | 2000-01-11 | 2002-04-23 | Memc Electronic Materials, Inc. | Semiconductor wafer manufacturing process |
-
2000
- 2000-09-18 JP JP2001525015A patent/JP2003510235A/ja active Pending
- 2000-09-18 WO PCT/US2000/025525 patent/WO2001021861A1/en not_active Ceased
- 2000-09-18 EP EP00963572A patent/EP1222324B1/en not_active Expired - Lifetime
- 2000-09-18 KR KR1020027003802A patent/KR100745311B1/ko not_active Expired - Fee Related
- 2000-09-18 DE DE60010496T patent/DE60010496T2/de not_active Expired - Lifetime
- 2000-09-22 TW TW089119609A patent/TW571006B/zh not_active IP Right Cessation
-
2003
- 2003-05-06 US US10/430,483 patent/US20030196587A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001021861A1 (en) | 2001-03-29 |
| TW571006B (en) | 2004-01-11 |
| KR20020042689A (ko) | 2002-06-05 |
| DE60010496D1 (de) | 2004-06-09 |
| US20030196587A1 (en) | 2003-10-23 |
| KR100745311B1 (ko) | 2007-08-01 |
| EP1222324A1 (en) | 2002-07-17 |
| EP1222324B1 (en) | 2004-05-06 |
| JP2003510235A (ja) | 2003-03-18 |
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