JP5777336B2 - 多結晶シリコン原料のリチャージ方法 - Google Patents
多結晶シリコン原料のリチャージ方法 Download PDFInfo
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- JP5777336B2 JP5777336B2 JP2010294170A JP2010294170A JP5777336B2 JP 5777336 B2 JP5777336 B2 JP 5777336B2 JP 2010294170 A JP2010294170 A JP 2010294170A JP 2010294170 A JP2010294170 A JP 2010294170A JP 5777336 B2 JP5777336 B2 JP 5777336B2
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- polycrystalline silicon
- lump
- raw material
- crucible
- recharging
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims description 243
- 238000000034 method Methods 0.000 title claims description 67
- 239000002994 raw material Substances 0.000 title claims description 63
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 61
- 229910052710 silicon Inorganic materials 0.000 claims description 61
- 239000010703 silicon Substances 0.000 claims description 61
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 230000000052 comparative effect Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000758 substrate Substances 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
- 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
- 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
- C30B28/00—Production of homogeneous polycrystalline material with defined structure
- C30B28/04—Production of homogeneous polycrystalline material with defined structure from liquids
- C30B28/10—Production of homogeneous polycrystalline material with defined structure from liquids by pulling from a 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
- 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
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/001—Continuous growth
-
- 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
- C30B15/002—Continuous growth
-
- 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
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
- Y10T117/1032—Seed pulling
- Y10T117/1056—Seed pulling including details of precursor replenishment
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)
- Silicon Compounds (AREA)
Description
1a,1b 端部
2 蓋体
2a 円錐面
3 ワイヤー
4 支持体
10 リチャージ装置
20 坩堝
30 ヒータ
40 シリコン融液
41 表面
50 緩衝層
S1 スモールサイズ多結晶シリコン塊
S2 ミドルサイズ多結晶シリコン塊
S3 ラージサイズ多結晶シリコン塊
Sb 緩衝層形成多結晶シリコン塊
Claims (6)
- 坩堝内に多結晶シリコン原料を充填する充填工程と、前記坩堝内において前記充填された多結晶シリコンを溶解してシリコン融液にする溶融工程と、前記シリコン融液に種結晶を接触させ、該接触させられた種結晶を引き上げることによりシリコン単結晶インゴットを育成する引上工程とを有するシリコン単結晶インゴットの製造方法において、前記溶融工程又は前記引上工程の後に多結晶シリコン原料を前記坩堝内に供給する多結晶シリコン原料のリチャージ方法であって、
前記坩堝内のシリコン融液の表面に、該シリコン融液の表面全体を覆うように緩衝領域を形成し、該形成された緩衝領域上に前記多結晶シリコン原料を供給し、
前記緩衝領域は、大きさが5mm以上50mm以下である多結晶シリコンの塊を前記坩堝内のシリコン融液の表面に投入することにより形成され、前記緩衝領域上に供給される多結晶シリコン原料は、50mmよりも大きな多結晶シリコンの塊から成ることを特徴とする多結晶シリコン原料のリチャージ方法。 - 前記緩衝領域を形成する多結晶シリコンの塊の大きさが5mm以上であり20mmより小さいことを特徴とする請求項1記載の多結晶シリコン原料のリチャージ方法。
- 前記緩衝領域を形成する多結晶シリコンの塊の大きさが20mm以上50mm以下であることを特徴とする請求項1記載の多結晶シリコン原料のリチャージ方法。
- 貫通する通路を有する本体と、該本体の一端を開閉可能にする蓋体とを備えるリチャージ装置を用いて前記多結晶シリコン原料を前記坩堝内のシリコン融液に供給することを特徴とする請求項1から3のいずれか1項に記載の多結晶シリコン原料のリチャージ方法。
- 50mmより大きい前記多結晶シリコンの塊が前記本体の通路内を通過可能であることを特徴とする請求項4記載の多結晶シリコン原料のリチャージ方法。
- 前記リチャージ装置の本体の一端を前記蓋体により閉鎖し、前記本体内に前記大きさが5mm以上50mm以下である多結晶シリコンの塊を充填し、該5mm以上50mm以下の大きさの多結晶シリコンの塊の上に前記50mmよりも大きな多結晶シリコンの塊を充填し、前記蓋体を開放して前記多結晶シリコン原料を前記坩堝内のシリコン融液に供給することを特徴とする請求項4又は5記載の多結晶シリコン原料のリチャージ方法。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010294170A JP5777336B2 (ja) | 2010-12-28 | 2010-12-28 | 多結晶シリコン原料のリチャージ方法 |
EP11192896.6A EP2471978B1 (en) | 2010-12-28 | 2011-12-09 | Method for recharging silicon feedstock |
SG10201403709UA SG10201403709UA (en) | 2010-12-28 | 2011-12-15 | Method for recharging raw material polycrystalline silicon |
SG2011092889A SG182094A1 (en) | 2010-12-28 | 2011-12-15 | Method for recharging raw material polycrystalline silicon |
US13/329,368 US9670593B2 (en) | 2010-12-28 | 2011-12-19 | Method for recharging raw material polycrystalline silicon |
KR1020110141408A KR20120075387A (ko) | 2010-12-28 | 2011-12-23 | 소재 다결정 실리콘 재충전 방법 |
CN201110455221.4A CN102534755B (zh) | 2010-12-28 | 2011-12-27 | 再装填原料多晶硅的方法 |
TW100148846A TWI453310B (zh) | 2010-12-28 | 2011-12-27 | 再裝填原料多晶矽的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010294170A JP5777336B2 (ja) | 2010-12-28 | 2010-12-28 | 多結晶シリコン原料のリチャージ方法 |
Publications (2)
Publication Number | Publication Date |
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JP2012140291A JP2012140291A (ja) | 2012-07-26 |
JP5777336B2 true JP5777336B2 (ja) | 2015-09-09 |
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JP2010294170A Active JP5777336B2 (ja) | 2010-12-28 | 2010-12-28 | 多結晶シリコン原料のリチャージ方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9670593B2 (ja) |
EP (1) | EP2471978B1 (ja) |
JP (1) | JP5777336B2 (ja) |
KR (1) | KR20120075387A (ja) |
CN (1) | CN102534755B (ja) |
SG (2) | SG182094A1 (ja) |
TW (1) | TWI453310B (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101472352B1 (ko) * | 2013-06-11 | 2014-12-12 | 주식회사 엘지실트론 | 충전 장치 |
CN103643286B (zh) * | 2013-12-13 | 2016-08-17 | 英利集团有限公司 | 单晶炉的加料方法 |
CN103757691B (zh) * | 2014-01-10 | 2016-04-20 | 英利集团有限公司 | 多晶硅料复投方法 |
JP2015214473A (ja) * | 2014-04-24 | 2015-12-03 | 京セラ株式会社 | 多結晶シリコンのインゴットの製造方法 |
CN105887185A (zh) * | 2016-05-30 | 2016-08-24 | 上海超硅半导体有限公司 | 一种多重提拉单晶硅的制造方法 |
CN107815735A (zh) * | 2016-09-14 | 2018-03-20 | 上海新昇半导体科技有限公司 | 一种多晶硅二次加料装置及方法 |
JP6708173B2 (ja) * | 2017-07-07 | 2020-06-10 | 信越半導体株式会社 | リチャージ管及び単結晶の製造方法 |
KR102014927B1 (ko) * | 2018-02-07 | 2019-08-27 | 에스케이실트론 주식회사 | 실리콘 공급부, 이를 포함하는 실리콘 단결정 잉곳의 성장 장치 및 방법 |
KR102270393B1 (ko) * | 2019-10-22 | 2021-06-30 | 에스케이실트론 주식회사 | 원료 공급 유닛, 이를 포함하는 실리콘 단결정 잉곳의 성장 장치 및 원료 공급 방법 |
KR102460012B1 (ko) | 2021-01-19 | 2022-10-28 | 에스케이실트론 주식회사 | 원료 공급 호퍼 |
CN112853501A (zh) * | 2021-02-23 | 2021-05-28 | 天津环博科技有限责任公司 | 一种坩埚自动化装料设备 |
Family Cites Families (12)
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EP0856599A3 (en) * | 1997-01-31 | 2000-03-22 | Komatsu Electronic Metals Co., Ltd | Apparatus for feeding raw material into a quartz crucible and method of feeding the same |
JP3189764B2 (ja) * | 1997-09-29 | 2001-07-16 | 住友金属工業株式会社 | シリコン単結晶原料の溶解方法 |
US5919303A (en) | 1997-10-16 | 1999-07-06 | Memc Electronic Materials, Inc. | Process for preparing a silicon melt from a polysilicon charge |
WO2002068732A1 (fr) | 2001-02-28 | 2002-09-06 | Shin-Etsu Handotai Co., Ltd. | Tube de recharge pour matériau polycristallin solide, et procédé de production de monocristal au moyen de ce tube |
US20030101924A1 (en) | 2001-11-15 | 2003-06-05 | Memc Electronic Materials, Inc. | Intermittent feeding technique for increasing the melting rate of polycrystalline silicon |
US8021483B2 (en) * | 2002-02-20 | 2011-09-20 | Hemlock Semiconductor Corporation | Flowable chips and methods for the preparation and use of same, and apparatus for use in the methods |
JP4658453B2 (ja) * | 2002-11-14 | 2011-03-23 | ヘムロック・セミコンダクター・コーポレーション | 流動性チップ、それを製造する方法及び使用する方法並びにその方法の実施に用いる装置 |
US7141114B2 (en) * | 2004-06-30 | 2006-11-28 | Rec Silicon Inc | Process for producing a crystalline silicon ingot |
JP4672579B2 (ja) * | 2006-03-17 | 2011-04-20 | コバレントマテリアル株式会社 | 固形状原料のリチャージ方法 |
JP2009263178A (ja) * | 2008-04-25 | 2009-11-12 | Sumco Corp | 単結晶育成装置および原料供給方法 |
CN201261817Y (zh) | 2008-06-12 | 2009-06-24 | 新疆新能源股份有限公司 | 一种单晶拉制加料装置 |
JP5272247B2 (ja) * | 2009-04-02 | 2013-08-28 | 株式会社Sumco | Cz法における多結晶シリコン原料の溶解方法 |
-
2010
- 2010-12-28 JP JP2010294170A patent/JP5777336B2/ja active Active
-
2011
- 2011-12-09 EP EP11192896.6A patent/EP2471978B1/en active Active
- 2011-12-15 SG SG2011092889A patent/SG182094A1/en unknown
- 2011-12-15 SG SG10201403709UA patent/SG10201403709UA/en unknown
- 2011-12-19 US US13/329,368 patent/US9670593B2/en active Active
- 2011-12-23 KR KR1020110141408A patent/KR20120075387A/ko not_active Application Discontinuation
- 2011-12-27 TW TW100148846A patent/TWI453310B/zh active
- 2011-12-27 CN CN201110455221.4A patent/CN102534755B/zh active Active
Also Published As
Publication number | Publication date |
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TW201226641A (en) | 2012-07-01 |
CN102534755A (zh) | 2012-07-04 |
EP2471978A1 (en) | 2012-07-04 |
SG182094A1 (en) | 2012-07-30 |
EP2471978B1 (en) | 2015-02-11 |
US20120160156A1 (en) | 2012-06-28 |
SG10201403709UA (en) | 2014-10-30 |
US9670593B2 (en) | 2017-06-06 |
KR20120075387A (ko) | 2012-07-06 |
TWI453310B (zh) | 2014-09-21 |
JP2012140291A (ja) | 2012-07-26 |
CN102534755B (zh) | 2016-06-29 |
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