KR20080022056A - 실리콘 단결정의 제조 방법 및 실리콘 웨이퍼의 제조 방법 - Google Patents
실리콘 단결정의 제조 방법 및 실리콘 웨이퍼의 제조 방법 Download PDFInfo
- Publication number
- KR20080022056A KR20080022056A KR1020070089455A KR20070089455A KR20080022056A KR 20080022056 A KR20080022056 A KR 20080022056A KR 1020070089455 A KR1020070089455 A KR 1020070089455A KR 20070089455 A KR20070089455 A KR 20070089455A KR 20080022056 A KR20080022056 A KR 20080022056A
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- Prior art keywords
- crystal
- silicon
- single crystal
- axis
- silicon single
- Prior art date
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- 239000013078 crystal Substances 0.000 title claims abstract description 297
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 192
- 239000010703 silicon Substances 0.000 title claims abstract description 192
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 50
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052796 boron Inorganic materials 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 30
- 239000012535 impurity Substances 0.000 claims description 17
- 238000007598 dipping method Methods 0.000 abstract 1
- 239000002019 doping agent Substances 0.000 abstract 1
- 235000012431 wafers Nutrition 0.000 description 57
- 239000004065 semiconductor Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005204 segregation Methods 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 150000003376 silicon Chemical class 0.000 description 2
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 2
- 239000005052 trichlorosilane Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
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
- 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
- C30B15/02—Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt
-
- 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
- C30B15/36—Single-crystal growth by pulling from a melt, e.g. Czochralski method characterised by the seed, e.g. its crystallographic orientation
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- 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)
Abstract
Description
Claims (8)
- 쵸크랄스키법에 따른 실리콘 단결정의 제조 방법으로서, 불순물로서 붕소가 6.25×1017~2.5×1020atoms/㎤의 농도가 되도록 첨가된 실리콘 용융액에, 중심축이[110]결정축에 대해 0.6°~10°경사지고, 또한 상기 실리콘 용융액으로부터 육성되는 단결정에 형성되는 네크부의 붕소 농도와 대략 동일 농도인 실리콘 종결정을 침지시킴으로써, 중심축이[110]결정축에 대해 0.6°~10°경사진 실리콘 단결정을 육성하는 것을 특징으로 하는 실리콘 단결정의 제조 방법.
- 청구항 1에 있어서, 실리콘 종결정의 중심축은 상기[110]결정축에 수직인<100> 결정축을 회전축으로 하여 회전하는 방향으로 경사져 있는 것을 특징으로 하는 실리콘 단결정의 제조 방법.
- 청구항 1 또는 청구항 2에 있어서, 상기 종결정으로서 실리콘 용융액과 접하는 종결정 하단부의 직경이 8㎜ 이하인 것을 사용하고, 직경 4~6㎜인 네크부를 형성하는 것을 특징으로 하는 실리콘 단결정의 제조 방법.
- 청구항 1 내지 청구항 3 중 어느 한 항에 기재된 방법에 의해 얻어진 실리콘 단결정으로부터 웨이퍼를 잘라낼 때에, 상기 종결정의 경사 각도에 대응하는 각도 로 실리콘 단결정을 비스듬하게 절단하여, 표면이 (110)면을 갖는 실리콘 웨이퍼를 잘라내는 것을 특징으로 하는 실리콘 웨이퍼의 제조 방법.
- 청구항 1 내지 청구항 3 중 어느 한 항에 기재된 방법에 의해 얻어진 실리콘 단결정으로부터 웨이퍼를 잘라낼 때에, 상기 실리콘 단결정의 직경 방향에 대해서 최대 경사 각도가 ±10°이하가 되도록 단결정을 절단하는 것을 특징으로 하는 실리콘 웨이퍼의 제조 방법.
- 청구항 4 또는 청구항 5에 기재된 방법에 의해 얻어진 실리콘 웨이퍼의 표면에 에피텍셜층을 형성하는 것을 특징으로 하는 에피텍셜 실리콘 웨이퍼의 제조 방법.
- 붕소 농도가 5×1017~2×1020atoms/㎤이며, 또한 중심축이[110]결정축에 대해 0.6°~ 10° 경사져 있는 것을 특징으로 하는 실리콘 종결정.
- 청구항 7에 있어서, 실리콘 종결정의 중심축은 상기[110]결정축에 수직인 <100> 결정축을 회전축으로 하여 회전하는 방향으로 경사져 있는 것을 특징으로 하는 실리콘 종결정.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006240855 | 2006-09-05 | ||
JPJP-P-2006-00240855 | 2006-09-05 | ||
JPJP-P-2007-00056130 | 2007-03-06 | ||
JP2007056130A JP2008088045A (ja) | 2006-09-05 | 2007-03-06 | シリコン単結晶の製造方法およびシリコンウェーハの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080022056A true KR20080022056A (ko) | 2008-03-10 |
KR100913636B1 KR100913636B1 (ko) | 2009-08-24 |
Family
ID=38963024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070089455A KR100913636B1 (ko) | 2006-09-05 | 2007-09-04 | 실리콘 단결정의 제조 방법 및 실리콘 웨이퍼의 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080053368A1 (ko) |
EP (1) | EP1897976B1 (ko) |
JP (1) | JP2008088045A (ko) |
KR (1) | KR100913636B1 (ko) |
CN (1) | CN101168850B (ko) |
TW (1) | TW200821416A (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008026784A1 (de) * | 2008-06-04 | 2009-12-10 | Siltronic Ag | Epitaxierte Siliciumscheibe mit <110>-Kristallorientierung und Verfahren zu ihrer Herstellung |
WO2009150896A1 (ja) * | 2008-06-10 | 2009-12-17 | 株式会社Sumco | シリコンエピタキシャルウェーハ及びその製造方法 |
FR2940806B1 (fr) * | 2009-01-05 | 2011-04-08 | Commissariat Energie Atomique | Procede de solidification de semi-conducteur avec ajout de charges de semi-conducteur dope au cours de la cristallisation |
CN102234840A (zh) * | 2010-05-07 | 2011-11-09 | 姚罡 | 薄形硅晶片的制备方法 |
JP5359991B2 (ja) * | 2010-05-20 | 2013-12-04 | 信越半導体株式会社 | シリコンエピタキシャルウェーハ及びその製造方法 |
CN102061514B (zh) * | 2010-11-03 | 2012-03-28 | 天津市环欧半导体材料技术有限公司 | 一种气相重掺硼区熔硅单晶的制备方法 |
WO2012102755A1 (en) * | 2011-01-28 | 2012-08-02 | Applied Materials, Inc. | Carbon addition for low resistivity in situ doped silicon epitaxy |
CN102181916B (zh) * | 2011-03-29 | 2013-04-10 | 浙江晨方光电科技有限公司 | 一种提高n型111晶向电阻率均匀性的方法 |
CN102168303A (zh) * | 2011-03-29 | 2011-08-31 | 浙江晨方光电科技有限公司 | 一种提高110单晶硅成晶率的制备方法 |
JP5782996B2 (ja) | 2011-11-01 | 2015-09-24 | 信越半導体株式会社 | 単結晶の製造方法 |
EP2589687A1 (en) | 2011-11-04 | 2013-05-08 | Vesuvius France (S.A.) | Crucible and method for the production of a (near ) monocrystalline semiconductor ingot |
EP2604728A1 (en) | 2011-12-12 | 2013-06-19 | Vesuvius France S.A. | Crucible for the production of crystalline semiconductor ingots and process for manufacturing the same |
KR101390797B1 (ko) * | 2012-01-05 | 2014-05-02 | 주식회사 엘지실트론 | 실리콘 단결정 성장 방법 |
US20150044467A1 (en) * | 2012-04-23 | 2015-02-12 | Hwajin Jo | Method of growing ingot and ingot |
KR20150044932A (ko) * | 2012-08-17 | 2015-04-27 | 지티에이티 코포레이션 | 도가니에서 시드들로부터 실리콘 잉곳들을 성장시키기 위한 장치 및 방법 그리고 도가니에서 사용된 시드의 제조 |
CN103436953B (zh) * | 2013-08-27 | 2016-09-21 | 天津市环欧半导体材料技术有限公司 | 一种偏晶向重掺单晶的拉制方法 |
JP6299835B1 (ja) | 2016-10-07 | 2018-03-28 | 株式会社Sumco | エピタキシャルシリコンウェーハおよびエピタキシャルシリコンウェーハの製造方法 |
JP6922860B2 (ja) * | 2018-07-09 | 2021-08-18 | 株式会社Sumco | シリコンウェーハの検査方法、検査装置、製造方法 |
WO2020076448A1 (en) * | 2018-10-12 | 2020-04-16 | Globalwafers Co., Ltd. | Dopant concentration control in silicon melt to enhance the ingot quality |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4002523A (en) * | 1973-09-12 | 1977-01-11 | Texas Instruments Incorporated | Dislocation-free growth of silicon semiconductor crystals with <110> orientation |
JP3726847B2 (ja) * | 1996-03-19 | 2005-12-14 | 信越半導体株式会社 | シリコン単結晶の製造方法および種結晶 |
US5769941A (en) * | 1996-05-01 | 1998-06-23 | Motorola, Inc. | Method of forming semiconductor material |
JP3446032B2 (ja) * | 2000-02-25 | 2003-09-16 | 信州大学長 | 無転位シリコン単結晶の製造方法 |
JP2003192488A (ja) * | 2001-12-20 | 2003-07-09 | Wacker Nsce Corp | シリコン単結晶製造用種結晶及びシリコン単結晶の製造方法 |
JP4142332B2 (ja) * | 2002-04-19 | 2008-09-03 | Sumco Techxiv株式会社 | 単結晶シリコンの製造方法、単結晶シリコンウェーハの製造方法、単結晶シリコン製造用種結晶、単結晶シリコンインゴットおよび単結晶シリコンウェーハ |
JP4184725B2 (ja) * | 2002-07-12 | 2008-11-19 | Sumco Techxiv株式会社 | 単結晶半導体の製造方法、単結晶半導体の製造装置 |
JP4407188B2 (ja) * | 2003-07-23 | 2010-02-03 | 信越半導体株式会社 | シリコンウェーハの製造方法およびシリコンウェーハ |
US7396406B2 (en) * | 2004-02-09 | 2008-07-08 | Sumco Techxiv Corporation | Single crystal semiconductor manufacturing apparatus and method |
-
2007
- 2007-03-06 JP JP2007056130A patent/JP2008088045A/ja active Pending
- 2007-08-27 TW TW096131700A patent/TW200821416A/zh unknown
- 2007-09-04 KR KR1020070089455A patent/KR100913636B1/ko active IP Right Grant
- 2007-09-04 EP EP07017323.2A patent/EP1897976B1/en not_active Ceased
- 2007-09-04 CN CN2007101482622A patent/CN101168850B/zh active Active
- 2007-09-04 US US11/896,563 patent/US20080053368A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1897976B1 (en) | 2013-04-17 |
TWI355431B (ko) | 2012-01-01 |
CN101168850B (zh) | 2011-04-27 |
JP2008088045A (ja) | 2008-04-17 |
EP1897976A3 (en) | 2011-01-05 |
CN101168850A (zh) | 2008-04-30 |
US20080053368A1 (en) | 2008-03-06 |
TW200821416A (en) | 2008-05-16 |
EP1897976A2 (en) | 2008-03-12 |
KR100913636B1 (ko) | 2009-08-24 |
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