KR100781728B1 - 실리콘 단결정 제조조건을 결정하는 방법 및 실리콘 웨이퍼 제조방법 - Google Patents
실리콘 단결정 제조조건을 결정하는 방법 및 실리콘 웨이퍼 제조방법 Download PDFInfo
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 159
- 239000010703 silicon Substances 0.000 title claims abstract description 159
- 239000013078 crystal Substances 0.000 title claims abstract description 136
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 47
- 230000007547 defect Effects 0.000 claims abstract description 130
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 124
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 62
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000001301 oxygen Substances 0.000 claims abstract description 35
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 35
- 238000005259 measurement Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 abstract description 19
- 239000002344 surface layer Substances 0.000 abstract description 14
- 235000012431 wafers Nutrition 0.000 description 206
- 238000000137 annealing Methods 0.000 description 36
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 230000000694 effects Effects 0.000 description 10
- 229910052786 argon Inorganic materials 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 9
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 230000002776 aggregation Effects 0.000 description 6
- 125000004429 atom Chemical group 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
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- 238000002474 experimental method Methods 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- 229910052698 phosphorus Inorganic materials 0.000 description 1
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- 239000002244 precipitate Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- 238000002076 thermal analysis method Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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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- 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
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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
- C30B15/203—Controlling or regulating the relationship of pull rate (v) to axial thermal gradient (G)
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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
- C30B15/206—Controlling or regulating the thermal history of growing the ingot
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0095—Semiconductive materials
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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
- H01L21/30—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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Abstract
Description
에피택셜 웨이퍼
인상속도 약 1mm/min의 통상 CZ웨이퍼에, 원료가스에 트리클로로실란을 사용하여, 1125℃에서 7㎛의 에피택셜층을 형성한 에피택셜웨이퍼.
Claims (25)
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- 실리콘 단결정의 제조조건을 결정하는 방법으로서, 쵸코랄스키법에 의해 질소가 도프된 단수내지는 복수의 실리콘 단결정을 인상속도 V와 고액계면의 온도구배 G의 비 V/G 및 그론-인(Grown-in) 결함이 응집하는 온도대의 통과시간 PT 중의 어느 하나, 또는 둘 모두를 변화시켜 인상하고, 상기 실리콘 단결정에서 실리콘웨이퍼를 제조하고, 그 실리콘웨이퍼에 열처리를 행한 후, 이 실리콘웨이퍼 표면의 그론-인(Grown-in) 결함밀도 또는 전기특성을 측정하여 이 그론-인(Grown-in) 결함밀도 또는 이 전기특성을 기준으로 합부(合否)판단을 행하고, 그 합부판단과 상기 V/G, PT와의 상관관계를 구하고, 그 상관관계에 따라 합격이 되는 제조조건을 결정하는 것을 특징으로 하는 실리콘 단결정의 제조조건 결정방법.
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- 제11항에 있어서, 상기 실리콘웨이퍼 표면의 그론-인(Grown-in) 결함밀도 또는 전기특성 측정은 상기 열처리 후의 실리콘웨이퍼표면을 연마한 후에 행하는 것을 특징으로 하는 실리콘 단결정의 제조조건 결정방법.
- 제11항에 있어서, 상기 쵸코랄스키법에 의해 질소가 도프된 실리콘 단결정을 인상할 때의 실리콘 단결정 중의 질소농도 및 산소농도를 미리 설정하여 두는 것을 특징으로 하는 실리콘 단결정의 제조조건 결정방법.
- 제14항에 있어서, 상기 질소농도 및 산소농도는 요구하는 BMD밀도로부터 설정하는 것을 특징으로 하는 실리콘 단결정의 제조조건 결정방법.
- 제14항에 있어서, 상기 질소농도는 요구하는 N-0 도너의 발생량으로부터 설정하는 것을 특징으로 하는 실리콘 단결정의 제조조건 결정방법.
- 제11항에 있어서, 상기 쵸코랄스키법에 의해 질소가 도프된 실리콘 단결정을 인상할 때에 결정중심이 V-리치(rich)영역으로 되는 조건에서 인상하는 것을 특징으로 하는 실리콘 단결정의 제조조건 결정방법.
- 제11항에 있어서, 상기 쵸코랄스키법에 의해 질소가 도프된 실리콘 단결정을 인상할 때에 인상결정의 경(徑)방향 전면에 전위크러스터가 발생되지 않고, 결정중심이 V-리치(rich)영역으로 되는 조건으로 인상하는 것을 특징으로 하는 실리콘 단결정의 제조조건 결정방법.
- 제11항에 있어서, 상기 PT 변화는 실리콘 단결정의 인상 도중에 인상속도 V를 변화시키는 것에 의해 행해지는 것을 특징으로 하는 실리콘 단결정의 제조조건 결정방법.
- 제11항에 있어서, 상기 열처리로서 1150℃이상 1300℃이하에서 1시간 이상 10시간 이하의 열처리를 행하는 것을 특징으로 하는 실리콘 단결정의 제조조건 결정방법.
- 제11항 및 제13항 내지 제20항 중 어느 한 항에 기재된 실리콘 단결정 제조조건 결정방법에 의해 결정된 제조조건을 이용하여 실리콘 단결정을 제조하고, 그 실리콘 단결정으로부터 실리콘 웨이퍼를 제조하는 것을 특징으로 하는 실리콘 웨이퍼 제조방법.
- 제21항에 기재된 제조방법으로 제조된 실리콘 웨이퍼에 1150℃이상 1300℃이하에서 1시간 이상 10시간 이하의 열처리를 행하는 것을 특징으로 하는 실리콘 웨이퍼 제조방법.
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Applications Claiming Priority (2)
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JPJP-P-2000-00015537 | 2000-01-25 | ||
JP2000015537 | 2000-01-25 |
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KR1020077001535A Division KR100725673B1 (ko) | 2000-01-25 | 2001-01-18 | 실리콘 웨이퍼 |
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KR20010105392A KR20010105392A (ko) | 2001-11-28 |
KR100781728B1 true KR100781728B1 (ko) | 2007-12-03 |
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US (1) | US6599360B2 (ko) |
EP (1) | EP1195455B1 (ko) |
JP (1) | JP3565205B2 (ko) |
KR (1) | KR100781728B1 (ko) |
DE (1) | DE60144416D1 (ko) |
TW (1) | TW512465B (ko) |
WO (1) | WO2001055485A1 (ko) |
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JP2001278692A (ja) * | 2000-03-29 | 2001-10-10 | Shin Etsu Handotai Co Ltd | シリコンウエーハおよびシリコン単結晶の製造方法 |
KR100543252B1 (ko) * | 2001-05-29 | 2006-01-20 | 신닛뽄세이테쯔 카부시키카이샤 | Soi 기판 |
JP2003002785A (ja) | 2001-06-15 | 2003-01-08 | Shin Etsu Handotai Co Ltd | 表層部にボイド無欠陥層を有する直径300mm以上のシリコン単結晶ウエーハおよびその製造方法 |
JP2003059932A (ja) | 2001-08-08 | 2003-02-28 | Toshiba Ceramics Co Ltd | シリコン単結晶ウエハの製造方法およびシリコン単結晶ウエハ |
EP1456875A2 (en) * | 2001-12-21 | 2004-09-15 | MEMC Electronic Materials, Inc. | Ideal oxygen precipitating silicon wafers with nitrogen/carbon stabilized oxygen precipitate nucleation centers and process for making the same |
JP4196602B2 (ja) * | 2002-07-12 | 2008-12-17 | 信越半導体株式会社 | エピタキシャル成長用シリコンウエーハ及びエピタキシャルウエーハ並びにその製造方法 |
US7704318B2 (en) * | 2003-02-25 | 2010-04-27 | Sumco Corporation | Silicon wafer, SOI substrate, method for growing silicon single crystal, method for manufacturing silicon wafer, and method for manufacturing SOI substrate |
KR100573473B1 (ko) * | 2004-05-10 | 2006-04-24 | 주식회사 실트론 | 실리콘 웨이퍼 및 그 제조방법 |
JP2006054350A (ja) * | 2004-08-12 | 2006-02-23 | Komatsu Electronic Metals Co Ltd | 窒素ドープシリコンウェーハとその製造方法 |
KR100693917B1 (ko) * | 2004-12-31 | 2007-03-12 | 주식회사 실트론 | 실리콘 단결정 |
JP2006273631A (ja) | 2005-03-28 | 2006-10-12 | Komatsu Electronic Metals Co Ltd | シリコン単結晶の製造方法およびアニールウェーハおよびアニールウェーハの製造方法 |
JP4604889B2 (ja) * | 2005-05-25 | 2011-01-05 | 株式会社Sumco | シリコンウェーハの製造方法、並びにシリコン単結晶育成方法 |
DE102005028202B4 (de) * | 2005-06-17 | 2010-04-15 | Siltronic Ag | Verfahren zur Herstellung von Halbleiterscheiben aus Silizium |
JP5121139B2 (ja) * | 2005-12-27 | 2013-01-16 | ジルトロニック アクチエンゲゼルシャフト | アニールウエハの製造方法 |
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US20090206275A1 (en) * | 2007-10-03 | 2009-08-20 | Silcon Genesis Corporation | Accelerator particle beam apparatus and method for low contaminate processing |
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JP5346744B2 (ja) * | 2008-12-26 | 2013-11-20 | ジルトロニック アクチエンゲゼルシャフト | シリコンウエハ及びその製造方法 |
JP5678846B2 (ja) * | 2011-09-08 | 2015-03-04 | 信越半導体株式会社 | シリコン単結晶中窒素濃度算出方法および抵抗シフト量算出方法 |
FR3055563B1 (fr) * | 2016-09-08 | 2018-09-14 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de tri de plaquettes en silicium en fonction de leur duree de vie volumique |
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CN113897671B (zh) * | 2021-09-30 | 2023-05-05 | 西安奕斯伟材料科技股份有限公司 | 一种氮掺杂单晶硅棒的制备方法 |
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- 2001-01-18 EP EP01901424A patent/EP1195455B1/en not_active Expired - Lifetime
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WO2001055485A1 (fr) | 2001-08-02 |
US6599360B2 (en) | 2003-07-29 |
EP1195455B1 (en) | 2011-04-13 |
US20030015131A1 (en) | 2003-01-23 |
TW512465B (en) | 2002-12-01 |
EP1195455A1 (en) | 2002-04-10 |
EP1195455A4 (en) | 2008-02-13 |
JP3565205B2 (ja) | 2004-09-15 |
DE60144416D1 (de) | 2011-05-26 |
KR20010105392A (ko) | 2001-11-28 |
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