CN101708849A - 局部蒸发去除多晶硅中硼的方法及装置 - Google Patents
局部蒸发去除多晶硅中硼的方法及装置 Download PDFInfo
- Publication number
- CN101708849A CN101708849A CN200910220058A CN200910220058A CN101708849A CN 101708849 A CN101708849 A CN 101708849A CN 200910220058 A CN200910220058 A CN 200910220058A CN 200910220058 A CN200910220058 A CN 200910220058A CN 101708849 A CN101708849 A CN 101708849A
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- China
- Prior art keywords
- polysilicon
- vacuum
- electron beam
- boron
- water
- Prior art date
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910052796 boron Inorganic materials 0.000 title claims abstract description 41
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 41
- 229920005591 polysilicon Polymers 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000001704 evaporation Methods 0.000 title claims abstract description 10
- 230000008020 evaporation Effects 0.000 title claims abstract description 9
- 238000010894 electron beam technology Methods 0.000 claims abstract description 33
- 238000000151 deposition Methods 0.000 claims abstract description 30
- 230000008021 deposition Effects 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000010439 graphite Substances 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 13
- 239000010703 silicon Substances 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 241000209456 Plumbago Species 0.000 claims description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000009792 diffusion process Methods 0.000 claims description 9
- 239000002210 silicon-based material Substances 0.000 claims description 9
- 238000010926 purge Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000005272 metallurgy Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 229910002804 graphite Inorganic materials 0.000 abstract 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000005046 Chlorosilane Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
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- Silicon Compounds (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009102200586A CN101708849B (zh) | 2009-11-19 | 2009-11-19 | 局部蒸发去除多晶硅中硼的方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009102200586A CN101708849B (zh) | 2009-11-19 | 2009-11-19 | 局部蒸发去除多晶硅中硼的方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101708849A true CN101708849A (zh) | 2010-05-19 |
CN101708849B CN101708849B (zh) | 2012-08-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009102200586A Expired - Fee Related CN101708849B (zh) | 2009-11-19 | 2009-11-19 | 局部蒸发去除多晶硅中硼的方法及装置 |
Country Status (1)
Country | Link |
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CN (1) | CN101708849B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011060717A1 (zh) * | 2009-11-19 | 2011-05-26 | 大连理工大学 | 连续熔炼去除多晶硅中磷和硼的方法及装置 |
CN108128778A (zh) * | 2018-01-30 | 2018-06-08 | 青岛蓝光晶科新材料有限公司 | 一种水蒸气辅助电子束熔炼去除硅中硼的方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5087477A (en) * | 1990-02-05 | 1992-02-11 | United Technologies Corporation | Eb-pvd method for applying ceramic coatings |
DE69702555T2 (de) * | 1996-03-19 | 2000-11-23 | Kawasaki Steel Co | Verfahren und Vorrichtung zur Raffinierung von Silicium |
CN101085678B (zh) * | 2006-06-09 | 2010-11-10 | 贵阳宝源阳光硅业有限公司 | 太阳能级硅的制备方法 |
-
2009
- 2009-11-19 CN CN2009102200586A patent/CN101708849B/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011060717A1 (zh) * | 2009-11-19 | 2011-05-26 | 大连理工大学 | 连续熔炼去除多晶硅中磷和硼的方法及装置 |
CN108128778A (zh) * | 2018-01-30 | 2018-06-08 | 青岛蓝光晶科新材料有限公司 | 一种水蒸气辅助电子束熔炼去除硅中硼的方法 |
CN108128778B (zh) * | 2018-01-30 | 2021-02-05 | 青岛蓝光晶科新材料有限公司 | 一种水蒸气辅助电子束熔炼去除硅中硼的方法 |
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Publication number | Publication date |
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CN101708849B (zh) | 2012-08-01 |
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