KR100512824B1 - 반도체 장치의 제조 방법 - Google Patents
반도체 장치의 제조 방법 Download PDFInfo
- Publication number
- KR100512824B1 KR100512824B1 KR10-2005-0003200A KR20050003200A KR100512824B1 KR 100512824 B1 KR100512824 B1 KR 100512824B1 KR 20050003200 A KR20050003200 A KR 20050003200A KR 100512824 B1 KR100512824 B1 KR 100512824B1
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- South Korea
- Prior art keywords
- metal element
- film
- organic compound
- silicon
- compound containing
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 72
- 239000002184 metal Substances 0.000 claims abstract description 67
- 239000000758 substrate Substances 0.000 claims abstract description 62
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 53
- 239000010703 silicon Substances 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 49
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 23
- 239000001301 oxygen Substances 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 16
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 15
- 238000002230 thermal chemical vapour deposition Methods 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 50
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 39
- 239000007789 gas Substances 0.000 claims description 20
- -1 alkoxide compound Chemical class 0.000 claims description 10
- 238000005121 nitriding Methods 0.000 claims description 4
- 230000000977 initiatory effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 9
- 239000010408 film Substances 0.000 description 177
- 229910052914 metal silicate Inorganic materials 0.000 description 62
- 238000006243 chemical reaction Methods 0.000 description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 26
- 230000015572 biosynthetic process Effects 0.000 description 23
- 239000002994 raw material Substances 0.000 description 19
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 17
- 229910021417 amorphous silicon Inorganic materials 0.000 description 16
- 238000009826 distribution Methods 0.000 description 15
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 8
- 238000000151 deposition Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- 229910001882 dioxygen Inorganic materials 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 229910007926 ZrCl Inorganic materials 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XMLFPUBZFSJWCN-UHFFFAOYSA-N 2-Hydroxy-4-trifluoromethyl benzoic acid Chemical compound OC(=O)C1=CC=C(C(F)(F)F)C=C1O XMLFPUBZFSJWCN-UHFFFAOYSA-N 0.000 description 1
- 244000282866 Euchlaena mexicana Species 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000003949 trap density measurement Methods 0.000 description 1
Classifications
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
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- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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- H01L21/28202—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation in a nitrogen-containing ambient, e.g. nitride deposition, growth, oxynitridation, NH3 nitridation, N2O oxidation, thermal nitridation, RTN, plasma nitridation, RPN
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Abstract
Description
Claims (13)
- 실리콘을 함유하는 유기 화합물과, Zr, Hf, Al 및 La의 그룹 중에서 선택된 메탈 원소를 함유하는 유기 화합물을, 기판이 보유된 용기에 공급하는 공정과,산소의 활성종을 이용하지 않은 열 CVD에 의해, 상기 기판 위에 상기 메탈 원소를 함유하는 실리콘 산화막을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 용기에 O2 가스를 더 공급하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 메탈 원소를 함유하는 실리콘 산화막은 게이트 절연막인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 메탈 원소를 함유하는 유기 화합물은 다른 메탈 원소를 더 함유하고,상기 다른 메탈 원소는 Zr, Hf, Al 및 La의 그룹 중에서 선택되는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 용기에 공급되는 상기 메탈 원소를 함유하는 유기 화합물의 공급량은, 상기 용기에 공급되는 상기 실리콘을 함유하는 유기 화합물의 공급량의 1/10 이하인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 실리콘 산화막에 함유된 메탈 원소의 원자 수를 NM, 실리콘의 원자 수를 Nsi로 할 때,0<NM/(NM+Nsi)<0.5인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 메탈 원소를 함유하는 실리콘 산화막을 CVD에 의해 반도체 기판 위에 형성하는 공정을 포함하는 반도체 장치의 제조 방법으로서,반도체 기판이 보유된 용기에의 실리콘을 함유하는 유기 화합물의 공급을 개시하는 공정과,상기 실리콘을 함유하는 유기 화합물의 공급을 개시한 후에, 상기 용기에의 메탈 원소를 함유하는 유기 화합물의 공급을 개시하는 공정과,상기 용기에의 상기 메탈 원소를 함유하는 유기 화합물의 공급량을 증가시키는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제7항에 있어서,상기 메탈 원소를 함유하는 유기 화합물의 공급량을 증가시킨 후, 상기 용기에의 상기 메탈 원소를 함유하는 유기 화합물의 공급량을 감소시키는 공정과,상기 용기에의 상기 메탈 원소를 함유하는 유기 화합물의 공급을 정지하는 공정과,상기 메탈 원소를 함유하는 유기 화합물의 공급을 정지한 후, 상기 용기에의 상기 실리콘을 함유하는 유기 화합물의 공급을 정지하는 공정을 더 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제8항에 있어서,상기 실리콘을 함유하는 유기 화합물의 공급을 정지한 후에 얻어진 상기 메탈 원소를 함유하는 실리콘 산화막의 표면을 질화하는 공정을 더 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항 또는 제7항에 있어서,상기 실리콘을 함유하는 유기 화합물은 실리콘의 알콕시드 화합물인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제10항에 있어서,상기 실리콘의 알콕시드 화합물은 테트라에톡시 실란인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항 또는 제7항에 있어서,상기 메탈 원소를 함유하는 유기 화합물은 상기 메탈 원소의 알콕시드 화합물인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제12항에 있어서,상기 메탈 원소의 알콕시드 화합물은 터셔리부토키시 화합물인 것을 특징으로 하는 반도체 장치의 제조 방법.
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US7282774B2 (en) | 2007-10-16 |
US7101775B2 (en) | 2006-09-05 |
US6844234B2 (en) | 2005-01-18 |
KR20050011003A (ko) | 2005-01-28 |
KR100502381B1 (ko) | 2005-07-19 |
US20060244083A1 (en) | 2006-11-02 |
US7858536B2 (en) | 2010-12-28 |
US20080242115A1 (en) | 2008-10-02 |
US20030127640A1 (en) | 2003-07-10 |
TW589660B (en) | 2004-06-01 |
CN1431716A (zh) | 2003-07-23 |
KR20030060804A (ko) | 2003-07-16 |
JP2003204061A (ja) | 2003-07-18 |
JP4102072B2 (ja) | 2008-06-18 |
US20050006674A1 (en) | 2005-01-13 |
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