CN106449873A - 一种铸锭多晶硅片铝吸杂的方法 - Google Patents
一种铸锭多晶硅片铝吸杂的方法 Download PDFInfo
- Publication number
- CN106449873A CN106449873A CN201610864021.7A CN201610864021A CN106449873A CN 106449873 A CN106449873 A CN 106449873A CN 201610864021 A CN201610864021 A CN 201610864021A CN 106449873 A CN106449873 A CN 106449873A
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- China
- Prior art keywords
- temperature
- annealing
- polysilicon chip
- ingot casting
- uniform velocity
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- Granted
Links
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 41
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000005247 gettering Methods 0.000 title claims abstract description 38
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000004411 aluminium Substances 0.000 title claims abstract description 14
- 238000000137 annealing Methods 0.000 claims abstract description 47
- 239000012535 impurity Substances 0.000 claims abstract description 28
- 230000008569 process Effects 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000007738 vacuum evaporation Methods 0.000 claims abstract description 11
- 229920005591 polysilicon Polymers 0.000 claims description 38
- 238000005266 casting Methods 0.000 claims description 19
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 12
- 238000003475 lamination Methods 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims 2
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 239000010949 copper Substances 0.000 abstract description 3
- 229910052759 nickel Inorganic materials 0.000 abstract description 3
- 229910017052 cobalt Inorganic materials 0.000 abstract description 2
- 239000010941 cobalt Substances 0.000 abstract description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000012795 verification Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 235000013495 cobalt Nutrition 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1804—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic Table
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/322—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections
- H01L21/3221—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections of silicon bodies, e.g. for gettering
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/547—Monocrystalline silicon PV cells
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Silicon Compounds (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610864021.7A CN106449873B (zh) | 2016-09-29 | 2016-09-29 | 一种铸锭多晶硅片铝吸杂的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610864021.7A CN106449873B (zh) | 2016-09-29 | 2016-09-29 | 一种铸锭多晶硅片铝吸杂的方法 |
Publications (2)
Publication Number | Publication Date |
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CN106449873A true CN106449873A (zh) | 2017-02-22 |
CN106449873B CN106449873B (zh) | 2018-05-01 |
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CN201610864021.7A Active CN106449873B (zh) | 2016-09-29 | 2016-09-29 | 一种铸锭多晶硅片铝吸杂的方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106848004A (zh) * | 2017-04-20 | 2017-06-13 | 通威太阳能(合肥)有限公司 | 一种防止el污染的太阳能电池板刻蚀工艺 |
CN106876294A (zh) * | 2017-03-03 | 2017-06-20 | 中国科学院上海微系统与信息技术研究所 | 纳米孪晶铜布线层的制备方法 |
CN113206169A (zh) * | 2021-04-18 | 2021-08-03 | 安徽华晟新能源科技有限公司 | 一种铝吸杂方法和铝吸杂设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101834224A (zh) * | 2010-03-26 | 2010-09-15 | 浙江大学 | 一种用于太阳电池制造的硅片快速热处理磷扩散吸杂工艺 |
CN103928573A (zh) * | 2014-04-25 | 2014-07-16 | 南开大学 | 一种用于制备太阳电池的硅片磷铝联合变温吸杂方法 |
-
2016
- 2016-09-29 CN CN201610864021.7A patent/CN106449873B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101834224A (zh) * | 2010-03-26 | 2010-09-15 | 浙江大学 | 一种用于太阳电池制造的硅片快速热处理磷扩散吸杂工艺 |
CN103928573A (zh) * | 2014-04-25 | 2014-07-16 | 南开大学 | 一种用于制备太阳电池的硅片磷铝联合变温吸杂方法 |
Non-Patent Citations (1)
Title |
---|
石湘波: ""铸造多晶硅太阳电池的吸杂研究"", 《工程科技Ⅱ辑》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106876294A (zh) * | 2017-03-03 | 2017-06-20 | 中国科学院上海微系统与信息技术研究所 | 纳米孪晶铜布线层的制备方法 |
CN106848004A (zh) * | 2017-04-20 | 2017-06-13 | 通威太阳能(合肥)有限公司 | 一种防止el污染的太阳能电池板刻蚀工艺 |
CN106848004B (zh) * | 2017-04-20 | 2018-07-13 | 通威太阳能(合肥)有限公司 | 一种防止el污染的太阳能电池板刻蚀工艺 |
CN113206169A (zh) * | 2021-04-18 | 2021-08-03 | 安徽华晟新能源科技有限公司 | 一种铝吸杂方法和铝吸杂设备 |
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CN106449873B (zh) | 2018-05-01 |
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Inventor after: Zhang Hui Inventor after: Jie Xinjian Inventor after: Chen Guifeng Inventor after: Chang Xueyan Inventor after: Yan Wenbo Inventor after: Tao Junguang Inventor before: Chen Guifeng Inventor before: Chang Xueyan Inventor before: Zhang Hui Inventor before: Jie Xinjian Inventor before: Yan Wenbo Inventor before: Tao Junguang |
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