JP2016520996A - シリコンウェーハーのドーピング方法 - Google Patents
シリコンウェーハーのドーピング方法 Download PDFInfo
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 73
- 239000010703 silicon Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000004913 activation Effects 0.000 claims description 28
- 238000000137 annealing Methods 0.000 claims description 15
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
- 238000007654 immersion Methods 0.000 claims description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000006722 reduction reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 description 52
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000013626 chemical specie Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-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
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- 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
- H01L21/22—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities
- H01L21/223—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities using diffusion into or out of a solid from or into a gaseous phase
- H01L21/2236—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities using diffusion into or out of a solid from or into a gaseous phase from or into a plasma phase
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- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/06—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 adapted as photovoltaic [PV] conversion devices characterised by potential barriers
- H01L31/068—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 adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells
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- H01—ELECTRIC ELEMENTS
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- 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
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- 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
- H01L31/186—Particular post-treatment for the devices, e.g. annealing, impurity gettering, short-circuit elimination, recrystallisation
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- 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
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- 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
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Abstract
Description
該シリコンウェーハーの表面の少なくとも第1の部分の第1のドーピング操作を実施するステップと、
部分的にドープされた表面に酸化物層を形成するステップと、
該シリコンウェーハーの該表面の他の部分をドープするように、該酸化物層を通して第2のドーピング操作を実施するステップと、含むドーピング方法を提供する。
に記載されている。
http://ieeexplore.ieee. org/stamp/stamp.jsp?tp=&arnumber=5436671&i snumber=5436370
このステップの間に、約950℃でシリコンウェーハーをアニールすることが可能であり、このアニールの間に、シリコンウェーハーを17分間酸素にさらすと、Gary E. McGuire によって刊行された文献B.E. Deal "Semiconductor materials and process technology handbook: for very large-scale integration (VLSI) and ultra-large scale integration (ULSI)" (pp. 48-57) から得た式及び定数にしたがって、シリコンウェーハーのドープされていない部分に、約10nmの厚さを有する酸化物層が成長する。ドープされた部分の酸化物層は、約20nmから30nmの厚さである。
裏面に施される第2のドーピングは、第1のドーピング操作中にドープされた部分の位置に一致する20nmから30nm厚さの酸化物層を通過せずに、第1のドーピング操作中にドープされなかった部分の位置に一致する10nmの酸化物層を通過するように、1キロボルト(kv)から20kvの範囲のシリコンウェーハーへの印加電圧、10−2ヘクトパスカル(ミリバール)から10−7ヘクトパスカル(ミリバール)の範囲の容器内圧力、200ミリアンペア(mA)のイオン化電流として、プラズマ浸漬内で実施することができる。
Claims (13)
- 起電力セルを製造するようにシリコンウェーハーをドープする方法であって、
該シリコンウェーハーの表面(10)の少なくとも第1の部分(11)の第1のドーピング操作を実施するステップと、
部分的にドープされた表面(10)に酸化物層(40)を形成するステップと、
該シリコンウェーハーの該表面(10)の他の部分(12)をドープするように、該酸化物層(40)を通して第2のドーピング操作を実施するステップと、含むドーピング方法。 - 酸化物層(40)を形成するステップが、ドープされた第1の部分(11)を活性化アニールするステップに含まれる請求項1に記載のドーピング方法。
- 酸化物層(40)を形成するステップが、酸素富化された雰囲気内で加熱するステップを含む請求項1または2に記載のドーピング方法。
- 第2のドーピング操作を実施するステップが、所定の貫通深さ(P)までのドーピングを実施するステップを含む請求項1から3のいずれかに記載のドーピング方法。
- 酸化物層(40)を形成するステップが、ドープされた第1の部分の位置に合わせて第1の厚さ(E1)の酸化物を形成し、該表面(10)の残りの部分に、第1の厚さ(E1)よりも小さい第2の厚さ(E2)の酸化物を形成するようにするステップであり、
該貫通深さ(P)が、該第1の厚さ(E1)と該第2の厚さ(E2)との間である請求項4に記載のドーピング方法。 - 第1のドーピング操作を実施するステップ及び/または第2のドーピング操作を実施するステップが、プラズマ浸漬において実施される請求項1から5のいずれかに記載のドーピング方法。
- 第2のドーピング操作を実施するステップの後に、第2のドーピングを活性化アニールするステップが続く請求項1から6のいずれかに記載のドーピング方法。
- 第1のドーピング操作を実施するステップが、第1の温度での活性化アニールが必要な第1の種でシリコンをドープするステップであり、
第2のドーピング操作を実施するステップが、第1の温度よりも低い第2の温度での活性化アニールが必要な第2の種でシリコンをドープするステップである請求項1から7のいずれかに記載のドーピング方法。 - 第1のドーピング操作を実施するステップが、ホウ素でシリコンをドープするステップであり、
第2のドーピング操作を実施するステップが、燐でシリコンをドープするステップである請求項8に記載のドーピング方法。 - 第2のドーピング操作を実施するステップの後に、該酸化物層(40)を除去するステップが続く請求項1から9のいずれかに記載のドーピング方法。
- 該酸化物層(40)を除去するステップが、フッ化水素酸を含む槽における化学的還元のステップである請求項10に記載のドーピング方法。
- 請求項1から11のいずれかに記載のドーピング方法にしたがってドーピングが実施された光起電力セル。
- 少なくとも一つの、請求項12に記載された光起電力セルを含む太陽光パネル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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FR1300650A FR3003687B1 (fr) | 2013-03-20 | 2013-03-20 | Procede de dopage de plaques de silicium |
FR1300650 | 2013-03-20 | ||
PCT/EP2014/055621 WO2014147185A1 (fr) | 2013-03-20 | 2014-03-20 | Procede de dopage de plaques de silicium |
Publications (1)
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JP2016520996A true JP2016520996A (ja) | 2016-07-14 |
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JP2016503664A Pending JP2016520996A (ja) | 2013-03-20 | 2014-03-20 | シリコンウェーハーのドーピング方法 |
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Country | Link |
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US (2) | US20160204299A1 (ja) |
EP (1) | EP2976782A1 (ja) |
JP (1) | JP2016520996A (ja) |
KR (1) | KR20150133739A (ja) |
CN (1) | CN105580110A (ja) |
FR (1) | FR3003687B1 (ja) |
WO (1) | WO2014147185A1 (ja) |
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KR101680036B1 (ko) * | 2015-07-07 | 2016-12-12 | 엘지전자 주식회사 | 태양 전지 및 이의 제조 방법 |
CN110190153B (zh) * | 2019-05-31 | 2021-05-04 | 江苏顺风光电科技有限公司 | 高效选择性发射极太阳能电池扩散工艺 |
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- 2013-03-20 FR FR1300650A patent/FR3003687B1/fr active Active
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2014
- 2014-03-20 EP EP14711268.4A patent/EP2976782A1/fr not_active Withdrawn
- 2014-03-20 WO PCT/EP2014/055621 patent/WO2014147185A1/fr active Application Filing
- 2014-03-20 CN CN201480017013.8A patent/CN105580110A/zh active Pending
- 2014-03-20 US US14/777,798 patent/US20160204299A1/en not_active Abandoned
- 2014-03-20 KR KR1020157027263A patent/KR20150133739A/ko not_active Application Discontinuation
- 2014-03-20 JP JP2016503664A patent/JP2016520996A/ja active Pending
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- 2019-01-16 US US16/249,130 patent/US20190164761A1/en not_active Abandoned
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FR3003687B1 (fr) | 2015-07-17 |
WO2014147185A1 (fr) | 2014-09-25 |
US20160204299A1 (en) | 2016-07-14 |
CN105580110A (zh) | 2016-05-11 |
FR3003687A1 (fr) | 2014-09-26 |
US20190164761A1 (en) | 2019-05-30 |
EP2976782A1 (fr) | 2016-01-27 |
KR20150133739A (ko) | 2015-11-30 |
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