JP3849639B2 - シリコン半導体単結晶の製造装置及び製造方法 - Google Patents
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 181
- 229910052710 silicon Inorganic materials 0.000 title claims description 180
- 239000010703 silicon Substances 0.000 title claims description 180
- 239000004065 semiconductor Substances 0.000 title claims description 162
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
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- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000002296 pyrolytic carbon Substances 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
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Classifications
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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
-
- 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
- C30B15/14—Heating of the melt or the crystallised materials
-
- 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
-
- 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
- Y10T117/1068—Seed pulling including heating or cooling details [e.g., shield configuration]
-
- 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
- Y10T117/1072—Seed pulling including details of means providing product movement [e.g., shaft guides, servo means]
-
- 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
- Y10T117/1076—Apparatus for crystallization from liquid or supercritical state having means for producing a moving solid-liquid-solid zone
- Y10T117/1088—Apparatus for crystallization from liquid or supercritical state having means for producing a moving solid-liquid-solid zone including heating or cooling details
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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)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
Description
本発明装置における上部育成炉14に設けた上部断熱材34の保温効果を確認するため、図1と同様の装置を用いて、炉内中心の結晶育成軸方向の温度分布を測定し、上部育成炉14に上部断熱材34の無い通常の単結晶育成装置との比較を行った。なお、この時の上部断熱材34の長さは50cmとした。この結果を図5に示す。
次に、実際に図1に示す上部断熱材34を設けた本発明の単結晶製造装置10を用いて、複数本(3本)のシリコン半導体単結晶Sの育成を行った。
単結晶製造装置10の主育成炉12には口径が55cmの石英製ルツボ18を入れ、ルツボ18内に多結晶シリコンを120kg仕込み、加熱ヒータ20を発熱させてシリコン融液Mとした。そして、シリコン融液Mの温度が安定した後に種結晶26をシリコン融液M表面に接融させて引上げ、種結晶26の下方に定径部S2の長さが100cmで結晶直径が200mmのシリコン半導体単結晶Sを育成した。この時のシリコン半導体単結晶Sの定径部S2の引上げ速度は、0.9〜1.0mm/minとなるように設定して結晶育成を行ったものであり、シリコン半導体単結晶Sの育成終了後、更にシリコン半導体単結晶Sの定径部S2をウェーハに加工して結晶中心部での酸素析出量を測定した。育成した3本のシリコン半導体単結晶についての測定結果を、図6に示す。
また、酸素析出量は熱処理前後の赤外吸収により酸素濃度を測定し、熱処理前の値から熱処理後の値を引いて算出した。
図1に示す半導体単結晶製造装置10の上部育成炉14から上部断熱材34を取外した以外は実施例1と同じ条件で直径が200mm、定径部の長さが100cmのシリコン半導体単結晶(3本)の引上げを行った。シリコン半導体単結晶の製造が完了した後に、やはり実施例1と同様に酸素析出量の確認を行うための測定サンプル用ウェーハを結晶の各部位から切り出し処理を行い、熱処理を加えて酸素析出量の測定を行った。育成した3本のシリコン半導体単結晶についての測定結果を図6に示す。
Claims (10)
- シリコン融液を保持するルツボを収容しシリコン半導体単結晶を育成するための主育成炉と、シリコン融液から引上げられたシリコン半導体単結晶を収容し冷却する上部育成炉を備えたチョクラルスキー法によるシリコン半導体単結晶の製造装置において、該主育成炉の天井部に連通するように該上部育成炉を設け、引上げられたシリコン半導体単結晶を囲繞する上部断熱材を、該上部育成炉内であって、その温度が800℃以下となる位置に配設したことを特徴とするシリコン半導体単結晶の製造装置。
- 請求項1に記載したシリコン半導体単結晶の製造装置において、前記上部育成炉に配設する前記上部断熱材の結晶成長軸方向の長さを、該上部育成炉の全長に対し1/20以上でかつ該上部育成炉の全長以下の長さとしたことを特徴とするシリコン半導体単結晶の製造装置。
- 請求項1又は2に記載したシリコン半導体単結晶の製造装置において、前記上部育成炉に配設する前記上部断熱材を、該上部育成炉内部の温度が400℃〜650℃となる位置に配設したことを特徴とするシリコン半導体単結晶の製造装置。
- 請求項1〜請求項3のいずれか1項に記載したシリコン半導体単結晶の製造装置において、前記上部育成炉に配設する前記上部断熱材は、炭素繊維を成形して得られた材料で作られていることを特徴とするシリコン半導体単結晶の製造装置。
- 請求項1〜請求項4のいずれか1項に記載したシリコン半導体単結晶の製造装置において、前記上部育成炉に配設する前記上部断熱材の表面を高純度黒鉛材、あるいは表面を熱分解炭素または炭化珪素の皮膜を施した高純度黒鉛材で被覆したことを特徴とするシリコン半導体単結晶の製造装置。
- 請求項1〜請求項4のいずれか1項に記載したシリコン半導体単結晶の製造装置において、前記上部育成炉に配設する前記上部断熱材の表面を鉄、ニッケル、クロム、銅、チタン、タングステン及びモリブデンからなる群から選択された何れかの金属を主成分とする金属材料で被覆したことを特徴とするシリコン半導体単結晶の製造装置。
- 請求項1〜請求項6のいずれか1項に記載したシリコン半導体単結晶の製造装置において、所望とするシリコン半導体単結晶の冷却熱履歴に合わせ、前記上部育成炉に配設する前記上部断熱材を交換可能としたことを特徴とするシリコン単結晶の製造装置。
- 請求項1〜請求項7のいずれか1項に記載したシリコン半導体単結晶の製造装置において、前記上部育成炉内にシリコン半導体単結晶の結晶成長軸に沿って前記上部断熱材を複数個配設し、所望とするシリコン半導体単結晶の冷却熱履歴に合わせ、シリコン半導体単結晶の結晶成長軸方向に配置する前記上部断熱材の個数を調整可能としたことを特徴とするシリコン半導体単結晶の製造装置。
- 請求項1〜請求項8のいずれか1項記載のシリコン半導体単結晶の製造装置を使用してシリコン半導体単結晶を製造することを特徴とするシリコン半導体単結晶の製造方法。
- 請求項1〜請求項8のいずれか1項記載のシリコン半導体単結晶の製造装置を使用するチョクラルスキー法によるシリコン半導体単結晶の製造方法において、ルツボから引上げられたシリコン半導体単結晶の温度が400℃〜650℃となる部分を、外部から加熱することなく保温しながらシリコン半導体単結晶を成長させることを特徴とするシリコン半導体単結晶の製造方法。
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PCT/JP2001/009434 WO2002036861A1 (fr) | 2000-10-31 | 2001-10-26 | Appareil et procede de production de monocristal semi-conducteur de silicium |
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EP (1) | EP1375705B1 (ja) |
JP (1) | JP3849639B2 (ja) |
KR (1) | KR100827872B1 (ja) |
DE (1) | DE60140962D1 (ja) |
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DE102006002682A1 (de) * | 2006-01-19 | 2007-08-02 | Siltronic Ag | Vorrichtung und Verfahren zur Herstellung eines Einkristalls, Einkristall und Halbleiterscheibe |
FR2911150B1 (fr) * | 2007-01-10 | 2010-08-20 | Fr De Detecteurs Infrarouges S | Dispositif pour realiser la croissance d'un materiau semi-conducteur |
KR100970319B1 (ko) * | 2007-07-24 | 2010-07-15 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 유리 모재 또는 광섬유 제조용 가열로 |
CN102362016B (zh) * | 2009-01-30 | 2014-10-22 | Amg艾迪卡斯特太阳能公司 | 晶种层和晶种层的制造方法 |
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US5264189A (en) * | 1988-02-23 | 1993-11-23 | Mitsubishi Materials Corporation | Apparatus for growing silicon crystals |
JP3203353B2 (ja) * | 1993-03-31 | 2001-08-27 | ワッカー・エヌエスシーイー株式会社 | 単結晶引上げ用装置 |
JP2619611B2 (ja) * | 1993-05-31 | 1997-06-11 | 住友シチックス株式会社 | 単結晶の製造装置および製造方法 |
JP2686223B2 (ja) | 1993-11-30 | 1997-12-08 | 住友シチックス株式会社 | 単結晶製造装置 |
US5900059A (en) * | 1996-05-29 | 1999-05-04 | Komatsu Electronic Metals Co., Ltd. | Method and apparatus for fabricating semiconductor single crystal |
JP3101219B2 (ja) * | 1996-12-17 | 2000-10-23 | 日本カーボン株式会社 | シリコン単結晶引上げ装置の分割した保温筒 |
JP4689027B2 (ja) * | 2000-10-23 | 2011-05-25 | 株式会社Sumco | 半導体単結晶引上装置 |
-
2001
- 2001-10-26 EP EP01976841A patent/EP1375705B1/en not_active Expired - Lifetime
- 2001-10-26 JP JP2002539596A patent/JP3849639B2/ja not_active Expired - Fee Related
- 2001-10-26 US US10/204,278 patent/US6764548B2/en not_active Expired - Lifetime
- 2001-10-26 WO PCT/JP2001/009434 patent/WO2002036861A1/ja active Application Filing
- 2001-10-26 DE DE60140962T patent/DE60140962D1/de not_active Expired - Lifetime
- 2001-10-26 KR KR1020027007766A patent/KR100827872B1/ko active IP Right Grant
- 2001-10-30 TW TW090126936A patent/TWI252263B/zh not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015083955A1 (ko) * | 2013-12-03 | 2015-06-11 | 주식회사 엘지실트론 | 단결정 성장 장치 |
KR101532265B1 (ko) * | 2013-12-03 | 2015-06-29 | 주식회사 엘지실트론 | 단결정 성장 장치 |
US10066315B2 (en) | 2013-12-03 | 2018-09-04 | Sk Siltron Co., Ltd. | Single crystal growing apparatus |
Also Published As
Publication number | Publication date |
---|---|
TWI252263B (en) | 2006-04-01 |
KR100827872B1 (ko) | 2008-05-07 |
US6764548B2 (en) | 2004-07-20 |
JPWO2002036861A1 (ja) | 2004-03-11 |
KR20020062971A (ko) | 2002-07-31 |
DE60140962D1 (de) | 2010-02-11 |
EP1375705B1 (en) | 2009-12-30 |
US20030089300A1 (en) | 2003-05-15 |
WO2002036861A1 (fr) | 2002-05-10 |
EP1375705A4 (en) | 2009-01-28 |
EP1375705A1 (en) | 2004-01-02 |
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