KR100944831B1 - 반도체 장치의 제조 방법 및 성막 장치 - Google Patents
반도체 장치의 제조 방법 및 성막 장치 Download PDFInfo
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- KR100944831B1 KR100944831B1 KR1020040086943A KR20040086943A KR100944831B1 KR 100944831 B1 KR100944831 B1 KR 100944831B1 KR 1020040086943 A KR1020040086943 A KR 1020040086943A KR 20040086943 A KR20040086943 A KR 20040086943A KR 100944831 B1 KR100944831 B1 KR 100944831B1
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- film
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- hafnium
- forming
- insulating film
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 70
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 60
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 49
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 47
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 38
- 229920005591 polysilicon Polymers 0.000 claims abstract description 38
- 150000002363 hafnium compounds Chemical class 0.000 claims abstract description 37
- 230000004888 barrier function Effects 0.000 claims abstract description 23
- -1 hafnium organic compound Chemical class 0.000 claims abstract description 14
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229960001730 nitrous oxide Drugs 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 167
- 239000000758 substrate Substances 0.000 claims description 30
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 26
- 238000000137 annealing Methods 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 21
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 19
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 17
- 150000003755 zirconium compounds Chemical class 0.000 claims description 13
- 229910000077 silane Inorganic materials 0.000 claims description 12
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 11
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 9
- 229910021529 ammonia Inorganic materials 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 7
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 6
- 229910001882 dioxygen Inorganic materials 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052710 silicon Inorganic materials 0.000 abstract description 16
- 239000010703 silicon Substances 0.000 abstract description 16
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 abstract description 9
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 278
- 235000012431 wafers Nutrition 0.000 description 22
- 238000010586 diagram Methods 0.000 description 12
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 229910000449 hafnium oxide Inorganic materials 0.000 description 5
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000010926 purge Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- BUMGIEFFCMBQDG-UHFFFAOYSA-N dichlorosilicon Chemical compound Cl[Si]Cl BUMGIEFFCMBQDG-UHFFFAOYSA-N 0.000 description 2
- WZVIPWQGBBCHJP-UHFFFAOYSA-N hafnium(4+);2-methylpropan-2-olate Chemical compound [Hf+4].CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-] WZVIPWQGBBCHJP-UHFFFAOYSA-N 0.000 description 2
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- IMFBFSHVKQVLCL-UHFFFAOYSA-N C(CCC)C(C(O[Hf])(CCCC)CCCC)(CC)CCCC Chemical compound C(CCC)C(C(O[Hf])(CCCC)CCCC)(CC)CCCC IMFBFSHVKQVLCL-UHFFFAOYSA-N 0.000 description 1
- 229910004129 HfSiO Inorganic materials 0.000 description 1
- 229910003925 SiC 1 Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28194—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation by deposition, e.g. evaporation, ALD, CVD, sputtering, laser deposition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
- H01L29/517—Insulating materials associated therewith the insulating material comprising a metallic compound, e.g. metal oxide, metal silicate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
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- Condensed Matter Physics & Semiconductors (AREA)
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- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Formation Of Insulating Films (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
상기 제2 공정 후 상기 절연막 상에 하프늄의 확산을 억제하기 위한 실리콘 산화막 또는 실리콘 질화막으로 이루어지는 배리어막을 성막하는 제3 공정을 구비하며,
상기 제1 내지 제3 공정은 1개의 노에서 연속적으로 행해지는 것을 특징으로 한다.
Claims (12)
- 기판 상에 형성된 절연막 상에 이 절연막에 전압을 인가하기 위한 전극을 형성한 반도체 장치를 제조하는 방법에 있어서,기판 상에 원료 가스를 반응시켜 하프늄 화합물막으로 이루어지는 절연막을 성막하는 제1 공정과,상기 제1 공정 후 상기 절연막을 오존 가스로 어닐링하는 제2 공정과,상기 제2 공정 후 상기 절연막 상에 하프늄의 확산을 억제하기 위한 실리콘 산화막 또는 실리콘 질화막으로 이루어지는 배리어막을 성막하는 제3 공정을 구비하며,상기 제1 내지 제3 공정은 1개의 노에서 연속적으로 행해지는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 배리어막 상에 실란계의 가스를 반응시켜 전극이 되는 폴리실리콘막을 성막하는 제4 공정을 구비한 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항 또는 제2항에 있어서, 상기 제3 공정은 실란계의 가스와 산화이질소 가스를 반응시켜 실리콘 산화막을 성막하는 공정인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항 또는 제2항에 있어서, 상기 제1 공정은 하프늄 유기 화합물과 실란계 가스를 반응시켜 하프늄 실리케이트막을 기판 상에 성막하는 공정인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항 또는 제2항에 있어서, 상기 제1 공정 후, 가열 분위기 하에서 암모니아 가스에 의해 상기 하프늄 화합물막을 어닐링하는 공정을 행하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항 또는 제2항에 있어서, 상기 제1 공정 후, 가열 분위기 하에서 산소 가스에 의해 상기 하프늄 화합물막을 어닐링하는 공정을 행하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항 또는 제2항에 있어서, 상기 제1 공정은 하프늄 화합물막으로 이루어지는 절연막을 성막하는 대신에, 기판 상에 원료 가스를 반응시켜 지르코늄화합물막으로 이루어지는 절연막을 성막하는 공정인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 기판 상에 형성된 절연막 상에 이 절연막에 전압을 인가하기 위한 전극을 형성한 반도체 장치를 제조하기 위한 성막 장치에 있어서,기판이 반입되는 반응 용기와,상기 반응 용기 내의 처리 분위기를 가열하는 가열 수단과,하프늄 화합물막으로 이루어지는 절연막을 성막하기 위한 원료 가스를 상기 반응 용기 내에 공급하는 하프늄 화합물막용 원료 가스 공급 수단과,하프늄의 확산을 억제하기 위한 실리콘 산화막으로 이루어지는 배리어막을 성막하기 위한 원료 가스를 상기 반응 용기 내에 공급하는 실리콘 산화막용 원료 가스 공급 수단과,기판 상에 상기 절연막, 배리어막을 이 순서로 적층하도록 각 수단을 제어하는 제어 수단과,절연막을 어닐링하기 위한 오존 가스를 반응 용기 내에 공급하는 오존 어닐링용 원료 가스 공급 수단을 구비하고,상기 절연막의 성막, 절연막의 어닐링, 및 상기 배리어막의 성막이 상기 반응 용기 내에서 연속적으로 행해지는 것을 특징으로 하는 성막 장치.
- 제8항에 있어서, 실란계의 가스를 반응시켜 전극이 되는 폴리실리콘막을 성막하기 위한 원료 가스를 공급하는 폴리실리콘막용 원료 가스 공급 수단을 구비한 것을 특징으로 하는 성막 장치.
- 제8항 또는 제9항에 있어서, 하프늄 화합물막을 어닐링하기 위한 암모니아 가스를 반응 용기 내에 공급하는 암모니아 어닐링용 원료 가스 공급 수단을 구비한 것을 특징으로 하는 성막 장치.
- 삭제
- 제8항 또는 제9항에 있어서, 하프늄 화합물막용 원료 가스 공급 수단 대신에, 지르코늄화합물로 이루어지는 절연막을 성막하기 위한 원료 가스를 반응관 내에 공급하는 지르코늄화합물막용 원료 가스 공급 수단을 마련한 것을 특징으로 하는 성막 장치.
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JPJP-P-2003-00371182 | 2003-10-30 | ||
JP2003371182 | 2003-10-30 |
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KR20050041930A KR20050041930A (ko) | 2005-05-04 |
KR100944831B1 true KR100944831B1 (ko) | 2010-03-03 |
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JP4455225B2 (ja) * | 2004-08-25 | 2010-04-21 | Necエレクトロニクス株式会社 | 半導体装置の製造方法 |
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JP2006261434A (ja) | 2005-03-17 | 2006-09-28 | L'air Liquide Sa Pour L'etude & L'exploitation Des Procede S Georges Claude | シリコン酸化膜の形成方法 |
KR100877100B1 (ko) * | 2007-04-16 | 2009-01-09 | 주식회사 하이닉스반도체 | 비휘발성 메모리 소자 제조 방법 |
JP4659856B2 (ja) * | 2007-06-08 | 2011-03-30 | 東京エレクトロン株式会社 | 微細パターンの形成方法 |
US9382269B2 (en) | 2013-09-27 | 2016-07-05 | Voltaix, Llc | Halogen free syntheses of aminosilanes by catalytic dehydrogenative coupling |
US11124876B2 (en) | 2015-03-30 | 2021-09-21 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Si-containing film forming precursors and methods of using the same |
US9777025B2 (en) | 2015-03-30 | 2017-10-03 | L'Air Liquide, Société pour l'Etude et l'Exploitation des Procédés Georges Claude | Si-containing film forming precursors and methods of using the same |
JP6814057B2 (ja) * | 2017-01-27 | 2021-01-13 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理装置、およびプログラム |
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KR20020001337A (ko) * | 2000-06-28 | 2002-01-09 | 박종섭 | 반도체 소자의 게이트산화막 형성 방법 |
JP2003008011A (ja) | 2001-06-21 | 2003-01-10 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
JP2003258243A (ja) | 2002-02-28 | 2003-09-12 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
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TW200526804A (en) | 2005-08-16 |
TWI354711B (ko) | 2011-12-21 |
US20050142716A1 (en) | 2005-06-30 |
KR20050041930A (ko) | 2005-05-04 |
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