JP5051044B2 - シリコン単結晶の育成方法 - Google Patents
シリコン単結晶の育成方法 Download PDFInfo
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- JP5051044B2 JP5051044B2 JP2008196498A JP2008196498A JP5051044B2 JP 5051044 B2 JP5051044 B2 JP 5051044B2 JP 2008196498 A JP2008196498 A JP 2008196498A JP 2008196498 A JP2008196498 A JP 2008196498A JP 5051044 B2 JP5051044 B2 JP 5051044B2
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- single crystal
- crucible
- silicon
- melt
- silicon melt
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- 229910052710 silicon Inorganic materials 0.000 title claims description 177
- 239000010703 silicon Substances 0.000 title claims description 177
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 176
- 239000013078 crystal Substances 0.000 title claims description 157
- 238000000034 method Methods 0.000 title claims description 36
- 239000000155 melt Substances 0.000 claims description 46
- 239000002994 raw material Substances 0.000 description 36
- 239000010453 quartz Substances 0.000 description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 31
- 238000005192 partition Methods 0.000 description 14
- 239000007787 solid Substances 0.000 description 14
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000002019 doping agent Substances 0.000 description 7
- 230000006698 induction Effects 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000002109 crystal growth method Methods 0.000 description 4
- 235000012431 wafers Nutrition 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000005339 levitation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-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
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Description
図2は、本発明の一実施形態である連続チャージ方式のHMCZ法によるシリコン単結晶の育成に適した単結晶育成装置の構成を模式的に示す図である。図2に示すように、単結晶育成装置は、その外郭をチャンバ1で構成され、チャンバ1内の中心部に単結晶引き上げ用のルツボ2が配置されている。このルツボ2は二重構造になっており、内側の石英ルツボ2aと、外側の黒鉛ルツボ2bとから構成される。ルツボ2は、支持軸3の上端部に固定され、その支持軸3の回転駆動および昇降駆動を介して、周方向に回転するとともに軸方向に昇降することが可能である。
2b:黒鉛ルツボ、 3:支持軸、 4:ヒータ、 5:断熱材、
6:引き上げ軸、 7:種結晶、 8:熱遮蔽体、 9:電磁コイル、
10:原料融液、 11:シリコン単結晶、
20:融液供給装置、 21:原料融解用ルツボ、 22:水冷ルツボ、
23:石英ルツボ、 24:融液流出管、 25:誘導加熱コイル、
26:原料供給管、 27:融液供給管、 30:シリコン融液
Claims (2)
- ルツボを挟んで一対の電磁コイルを対向配置し、電磁コイルによりルツボ内のシリコン融液に横磁場を印加しつつ、ルツボ内にシリコン融液を供給しながらチョクラルスキー法によりシリコン単結晶を育成する方法であって、
ルツボ内のシリコン融液におけるルツボの側壁とシリコン単結晶の外周との間の環状領域のうち、シリコン単結晶の外周から横磁場の印加方向と直交する方向に延在する第1領域を除く第2領域に、シリコン融液を供給することを特徴とするシリコン単結晶の育成方法。 - 前記第2領域へのシリコン融液の供給は、前記第2領域のシリコン融液に融液供給管の先端部を浸漬し、この融液供給管を通じて行うことを特徴とする請求項1に記載のシリコン単結晶の育成方法。
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JP2008196498A JP5051044B2 (ja) | 2008-07-30 | 2008-07-30 | シリコン単結晶の育成方法 |
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JP2008196498A JP5051044B2 (ja) | 2008-07-30 | 2008-07-30 | シリコン単結晶の育成方法 |
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JP2010030860A JP2010030860A (ja) | 2010-02-12 |
JP5051044B2 true JP5051044B2 (ja) | 2012-10-17 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6503933B2 (ja) * | 2015-07-02 | 2019-04-24 | 株式会社Sumco | シリコン融液供給装置及び方法並びにシリコン単結晶製造装置 |
JP7216340B2 (ja) * | 2019-09-06 | 2023-02-01 | 株式会社Sumco | シリコン単結晶の育成方法およびシリコン単結晶の引き上げ装置 |
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