JP2018503591A - シリコン単結晶インゴットの成長装置 - Google Patents
シリコン単結晶インゴットの成長装置 Download PDFInfo
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 112
- 239000010703 silicon Substances 0.000 title claims abstract description 112
- 239000013078 crystal Substances 0.000 title claims abstract description 73
- 230000012010 growth Effects 0.000 title claims description 54
- 238000000034 method Methods 0.000 claims abstract description 49
- 230000007547 defect Effects 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 16
- 239000002019 doping agent Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 235000012431 wafers Nutrition 0.000 description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 238000009826 distribution Methods 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 5
- 239000000155 melt Substances 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
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 201000006935 Becker muscular dystrophy Diseases 0.000 description 1
- 208000037663 Best vitelliform macular dystrophy Diseases 0.000 description 1
- 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
- 239000003082 abrasive agent Substances 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
- 229910052786 argon Inorganic materials 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000021332 multicellular organism growth Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000020938 vitelliform macular dystrophy 2 Diseases 0.000 description 1
- 230000002618 waking effect Effects 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
-
- 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
- C30B15/203—Controlling or regulating the relationship of pull rate (v) to axial thermal gradient (G)
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- 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
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/20—Controlling or regulating
- C30B15/22—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
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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
- C30B15/30—Mechanisms for rotating or moving either the melt or the crystal
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- C30B30/00—Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions
- C30B30/04—Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using magnetic fields
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- 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
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Abstract
Description
実施例による装置及び方法は、シリコン高品質のシリコン単結晶インゴットを提供することができる。
Claims (17)
- シリコン単結晶インゴットの成長方法において、
るつぼ内にシリコン溶融液を準備する段階;
前記シリコン溶融液にシードをプローブする段階;
前記るつぼに水平磁場を加えて前記シードと前記るつぼとを回転させる段階;及び
前記シリコン溶融液から成長するインゴットを引き上げる段階を含み、
前記成長中のインゴットと前記シリコン溶融液の界面が水平面から下に1ミリメートル乃至5ミリメートルに形成され、前記成長するインゴットのBMD(Bulk Micro Defects)のサイズ(size)が55ナノメートル(nanometer)乃至65ナノメートルであるシリコン単結晶インゴットの成長方法。 - 前記インゴットの成長中に前記インゴット内の温度勾配(temperature gradient)が34ケルビン(kelvin)/cm未満である、請求項1に記載のシリコン単結晶インゴットの成長方法。
- 前記インゴットの中央領域の冷却時間が端領域の冷却時間より長い、請求項1に記載のシリコン単結晶インゴットの成長方法。
- 前記シリコン溶融液は、比抵抗が20mohm・cm(ミリオーム・センチメートル)以下である、請求項1に記載のシリコン単結晶インゴットの成長方法。
- 前記シリコン溶融液は、ドーパントが3.24E18atoms/cm3以上ドーピングされた、請求項1に記載のシリコン単結晶インゴットの成長方法。
- 前記ドーパントは、ボロン(Boron)である、請求項5に記載のシリコン単結晶インゴットの成長方法。
- 前記インゴットの成長時に、前記シードの回転速度は8rpm以下である、請求項1に記載のシリコン単結晶インゴットの成長方法。
- 前記インゴットの成長時に、前記シリコン溶融液に磁場を3000G(ガウス)以上で加える、請求項1に記載のシリコン単結晶インゴットの成長方法。
- 前記インゴットの成長時に、前記シリコン溶融液と熱遮蔽材との距離を40ミリメートル以上とする、請求項1に記載のシリコン単結晶インゴットの成長方法。
- チャンバ;
前記チャンバの内部に具備され、シリコン溶融液が収容されるるつぼ;
前記チャンバの内部に具備され、前記シリコン溶融液を加熱するヒーター;
前記シリコン溶融液から成長する前記インゴットに向かう前記ヒーターの熱を遮蔽する熱遮蔽材;
前記シリコン溶融液から前記成長するインゴットを回転しながら引き上げる引き上げユニット;及び
前記るつぼに水平磁場を印加する磁場発生ユニットを含み、
前記引き上げユニットはシードを8rpm以下の速度で回転させるシリコン単結晶インゴットの成長装置。 - 前記磁場発生ユニットは、前記シリコン溶融液に磁場を3000G(ガウス)以上で印加する、請求項10に記載のシリコン単結晶インゴットの成長装置。
- 前記引き上げユニットは、前記インゴットの成長時に前記シリコン溶融液と前記熱遮蔽材との距離を40ミリメートル以上とする、請求項10に記載のシリコン単結晶インゴットの成長装置。
- 前記ヒーターは、前記インゴットの成長中に前記インゴット内の温度勾配(temperature gradient)が34ケルビン(kelvin)/cm未満となるように前記るつぼを加熱する、請求項10に記載のシリコン単結晶インゴットの成長装置。
- 前記シリコン溶融液は、比抵抗が20mohm・cm(ミリオーム・センチメートル)以下である、請求項10に記載のシリコン単結晶インゴットの成長装置。
- 前記引き上げユニットは、前記インゴットの中央領域の冷却時間が端領域の冷却時間より長くなるように前記インゴットを引き上げる、請求項10に記載のシリコン単結晶インゴットの成長装置。
- 前記シリコン溶融液にドーパントを3.24E18atoms/cm3以上の濃度にドーピングするドーパント供給部をさらに含む、請求項10に記載のシリコン単結晶インゴットの成長装置。
- 前記引き上げユニットは、前記成長中のインゴットと前記シリコン溶融液の界面が水平面から下に1ミリメートル乃至5ミリメートルに形成されるように前記インゴットを引き上げる、請求項10に記載のシリコン単結晶インゴットの成長装置。
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KR1020150048187A KR101680213B1 (ko) | 2015-04-06 | 2015-04-06 | 실리콘 단결정 잉곳의 성장 방법 |
KR10-2015-0048187 | 2015-04-06 | ||
PCT/KR2015/008536 WO2016163602A1 (ko) | 2015-04-06 | 2015-08-14 | 실리콘 단결정 잉곳의 성장 장치 및 방법 |
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JP6844560B2 (ja) * | 2018-02-28 | 2021-03-17 | 株式会社Sumco | シリコン融液の対流パターン制御方法、シリコン単結晶の製造方法、および、シリコン単結晶の引き上げ装置 |
JP6888568B2 (ja) * | 2018-02-28 | 2021-06-16 | 株式会社Sumco | シリコン単結晶の製造方法 |
CN108796602A (zh) * | 2018-07-04 | 2018-11-13 | 江西中昱新材料科技有限公司 | 一种单晶炉用内导流筒 |
CN113825862A (zh) * | 2019-04-11 | 2021-12-21 | 环球晶圆股份有限公司 | 后段主体长度具有减小变形的锭的制备工艺 |
KR102576552B1 (ko) * | 2019-04-18 | 2023-09-07 | 글로벌웨이퍼스 씨오., 엘티디. | 연속 쵸크랄스키 방법을 사용하여 단결정 실리콘 잉곳을 성장시키기 위한 방법들 |
CN112095142B (zh) * | 2019-06-18 | 2021-08-10 | 上海新昇半导体科技有限公司 | 一种半导体晶体生长装置 |
CN114737251A (zh) * | 2022-04-08 | 2022-07-12 | 中环领先半导体材料有限公司 | 获取硅单晶最佳拉速以制备高bmd密度12英寸外延片的方法 |
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2015
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- 2015-08-14 US US15/539,586 patent/US20170362736A1/en not_active Abandoned
- 2015-08-14 JP JP2017535402A patent/JP6467056B2/ja active Active
- 2015-08-14 CN CN201580076628.2A patent/CN107407003A/zh active Pending
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US20170362736A1 (en) | 2017-12-21 |
CN107407003A (zh) | 2017-11-28 |
JP6467056B2 (ja) | 2019-02-06 |
KR20160119480A (ko) | 2016-10-14 |
WO2016163602A1 (ko) | 2016-10-13 |
KR101680213B1 (ko) | 2016-11-28 |
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