KR100621765B1 - 반도체 소자에서의 박막 형성방법 및 그에 따른 박막형성장치 - Google Patents
반도체 소자에서의 박막 형성방법 및 그에 따른 박막형성장치 Download PDFInfo
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- KR100621765B1 KR100621765B1 KR1020040004212A KR20040004212A KR100621765B1 KR 100621765 B1 KR100621765 B1 KR 100621765B1 KR 1020040004212 A KR1020040004212 A KR 1020040004212A KR 20040004212 A KR20040004212 A KR 20040004212A KR 100621765 B1 KR100621765 B1 KR 100621765B1
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- heater
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- thin film
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- 239000010409 thin film Substances 0.000 title claims abstract description 132
- 238000000034 method Methods 0.000 title claims abstract description 127
- 239000004065 semiconductor Substances 0.000 title claims abstract description 36
- 239000000376 reactant Substances 0.000 claims abstract description 157
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- 230000005587 bubbling Effects 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 8
- 150000004767 nitrides Chemical class 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- -1 Ta 2 O 5 Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- 239000003446 ligand Substances 0.000 claims description 3
- 102100032047 Alsin Human genes 0.000 claims description 2
- 101710187109 Alsin Proteins 0.000 claims description 2
- 229910004121 SrRuO Inorganic materials 0.000 claims description 2
- 229910002367 SrTiO Inorganic materials 0.000 claims description 2
- 229910004200 TaSiN Inorganic materials 0.000 claims description 2
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- 229910008807 WSiN Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
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- 229910052741 iridium Inorganic materials 0.000 claims description 2
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 claims description 2
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- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 3
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- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 2
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 2
- SWWQQSDRUYSMAR-UHFFFAOYSA-N 1-[(4-hydroxyphenyl)methyl]-1,2,3,4-tetrahydroisoquinoline-6,7-diol;hydrochloride Chemical group Cl.C1=CC(O)=CC=C1CC1C2=CC(O)=C(O)C=C2CCN1 SWWQQSDRUYSMAR-UHFFFAOYSA-N 0.000 description 1
- WQKWNXSKQLVRHK-UHFFFAOYSA-N CC[Hf](C)N Chemical compound CC[Hf](C)N WQKWNXSKQLVRHK-UHFFFAOYSA-N 0.000 description 1
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- 230000003213 activating effect Effects 0.000 description 1
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- 229910052735 hafnium Inorganic materials 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
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- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
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- 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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- 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
- H01L21/30—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
- H01L21/314—Inorganic layers
- H01L21/316—Inorganic layers composed of oxides or glassy oxides or oxide based glass
- H01L21/31604—Deposition from a gas or vapour
- H01L21/31645—Deposition of Hafnium oxides, e.g. HfO2
-
- 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
- H01L21/30—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
- H01L21/314—Inorganic layers
- H01L21/316—Inorganic layers composed of oxides or glassy oxides or oxide based glass
- H01L21/31691—Inorganic layers composed of oxides or glassy oxides or oxide based glass with perovskite structure
Abstract
Description
도 8a는 종래의 기술에 따른 박막 형성방법을 사용하여 형성된 박막의 두께를 보여주는 그래프
도 8a는 종래의 기술에 따른 박막 형성방법을 사용하여 형성된 박막의 두께를 보여주는 그래프이고, 도 9a는 본 발명의 실시예에 따른 박막 형성방법을 사용하여 형성된 박막의 두께를 보여주는 그래프이다.
Claims (28)
- 가스공급부와 제1 반응물 공급부를 연결하는 가스라인에서 가열되어 상기 제1 반응물 공급부로 공급되는 제1 가스에 의하여 버블링된 제1 반응물을 챔버에 공급하여 기판 상에 상기 제1 반응물을 화학흡착시키는 단계와;상기 챔버를 퍼징하여 상기 제1 반응물이 화학흡착된 결과물 상의 부산물을 제거하는 단계와;상기 챔버에 제2 반응물을 공급하여 제2 반응물을 상기 기판 상에 화학흡착시켜 화학치환에 의하여 박막을 형성하는 단계를 포함함을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 1항에 있어서,상기 박막을 형성한 후에, 상기 챔버를 퍼징하여 상기 박막이 형성된 결과물 상의 부산물을 제거하는 단계를 더 포함함을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 1항에 있어서,상기 가스라인은 시즈 히터(SHEATH HEATER), 튜브라 히터(TUBULAR HEATER), 카드리지 히터(CARTRIDGE), 코일 히터(COIL HEATER), 밴드히터(BAND HEATER), 쟈켓 히터(JACKET HEATER) 및 리본 히터(RIBBON HEATER)로 이루어진 히터군에서 선택된 어느 하나의 히터를 구비하여 상기 제1 가스를 가열하여 상기 제1 반응물 공급부로 공급하는 것을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 1항에 있어서,상기 퍼징 공정은 시즈 히터(SHEATH HEATER), 튜브라 히터(TUBULAR HEATER), 카드리지 히터(CARTRIDGE), 코일 히터(COIL HEATER), 밴드히터(BAND HEATER), 쟈켓 히터(JACKET HEATER) 및 리본 히터(RIBBON HEATER)로 이루어진 히터군에서 선택된 어느 하나의 히터를 통하여 미리 가열된 퍼징 가스가 상기 챔버에 공급되어 진행됨을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 1항에 있어서,상기 챔버에 공급되는 제2 반응물은 시즈 히터(SHEATH HEATER), 튜브라 히터(TUBULAR HEATER), 카드리지 히터(CARTRIDGE), 코일 히터(COIL HEATER), 밴드히터(BAND HEATER), 쟈켓 히터(JACKET HEATER) 및 리본 히터(RIBBON HEATER)로 이루어진 히터군에서 선택된 어느 하나의 히터를 통하여 미리 가열된 제2 가스에 의하여 버블링되어 공급됨을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- (삭제)
- 제 1항에 있어서,상기 제1 가스는 불활성 가스임을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 1항에 있어서,상기 제1 반응물 및 제2 반응물은 각각 상기 박막을 구성하는 원소 및 화학 리간드를 포함하고 있는 것을 특징으로 하는 박막 형성방법.
- 제 1항에 있어서,상기 박막은 단원자 박막, 단원자 산화물, 복합 산화물, 단원자 질화막 및 복합 질화막으로 이루어진 일군에서 선택된 어느 하나로 형성됨을 특징으로 하는 박막 형성방법.
- 제 9항에 있어서,상기 단원자 박막은 Ti, Ta, Ru, Ir, Rh, Mo, Al, Cu, Pt, W 및 Ag로 이루어진 일군에서 선택된 어느 하나임을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 9항에 있어서,상기 단원자 산화물은 HfO2, TiO2, Ta2O5, ZrO2, Nb2O5, CeO2, In2O3, RuO2, IrO2 및 Al2O3로 이루어진 일군에서 선택된 어느 하나임을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 9항에 있어서,상기 복합 산화물은 SrTiO3, PbTiO3, SrRuO3, CaRuO3, (Ba,Sr)TiO 3, Pb(Zr,Ti)O3, (Pb.La)(Zr,Ti)O3, (Sr,Ca)RuO3, Sn이 도핑된 In2O 3, Fe가 도핑된 In2O3 및 Zr이 도핑된 In2O3로 이루어진 일군에서 선택된 어느 하나임을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 9항에 있어서,상기 단원자 질화막은 TiN, TaN, NbN, ZrN, SiN, AlN, GaN, WN 및 BN으로 이루어진 일군에서 선택된 어느 하나임을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 9항에 있어서,상기 복합 질화막은 TiSiN, TaSiN, AlTiN, WBN, WSiN, 및 AlSiN으로 이루어진 일군에서 선택된 어느 하나임을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 4항에 있어서,상기 퍼징 가스는 불활성 가스임을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- 제 5항에 있어서,상기 제2 가스는 불활성 가스임을 특징으로 하는 반도체 소자에서의 박막 형성방법.
- (삭제)
- 기판이 로딩되는 챔버;상기 챔버에 제1 반응물을 공급하는 제1 반응물 공급부;상기 챔버와 상기 제1 반응물 공급부를 연결하는 제1 가스라인;상기 챔버에 제2 반응물을 공급하는 제2 반응물 공급부;상기 챔버와 상기 제2 반응물 공급부를 연결하는 제2 가스라인;상기 챔버, 제1 반응물 공급부 및 제2 반응물 공급부에 프로세스 가스를 공급하는 가스 공급부;상기 제1 반응물 공급부와 상기 가스 공급부를 연결하고, 상기 가스 공급부에 의해 내부로 공급되는 프로세스 가스를 가열하여 상기 제1 반응물 공급부로 제공하기 위한 제1 가열부를 포함하는 제3 가스라인;상기 제2 반응물 공급부와 상기 가스 공급부를 연결하는 제4 가스라인; 및상기 챔버와 상기 가스 공급부를 연결하는 제5 가스라인을 포함하는 것을 특징으로 하는 반도체 소자에서의 박막 형성장치.
- 제 18항에 있어서,상기 제4 가스라인은 상기 가스 공급부에 의해 내부로 공급되는 프로세스 가스를 가열하는 제2 가열부를 포함함을 특징으로 하는 반도체 소자에서의 박막 형성장치.
- 제 19항에 있어서,상기 제5 가스라인은 상기 가스 공급부에 의해 내부로 공급되는 프로세스 가스를 가열하는 제3 가열부를 포함함을 특징으로 하는 반도체 소자에서의 박막 형성장치.
- 제 20항에 있어서,상기 제1, 2, 3 가열부는 시즈 히터(SHEATH HEATER), 튜브라 히터(TUBULAR HEATER), 카드리지 히터(CARTRIDGE HEATER), 코일 히터(COIL HEATER), 밴드 히터(BAND HEATER), 쟈켓 히터(JACKET HEATER) 및 리본 히터(RIBBON HEATER )로 이루어진 히터군에서 선택된 어느 하나의 히터로 구성됨을 특징으로 하는 반도체 소자에서의 박막 형성장치.
- 제 18항에 있어서,상기 제3 가스라인은 코일형으로 형성됨을 특징으로 하는 반도체 소자에서의 박막 형성장치.
- 제 20항에 있어서,상기 제3 내지 제5 가스라인은 코일형으로 형성됨을 특징으로 하는 반도체 소자에서의 박막 형성장치.
- 제 18항에 있어서,상기 제1 내지 제5 가스라인들을 제어하는 제어 밸브들이 각 가스라인에 더 포함됨을 특징으로 하는 반도체 소자에서의 박막 형성장치.
- 제 18항에 있어서,상기 챔버의 부산물을 제거하기 위하여 펌핑 동작을 수행하는 펌프가 더 포함됨을 특징으로 하는 반도체 소자에서의 박막 형성장치.
- 공정 챔버 내에서 버블링된 제1 반응물과 제2 반응물을 순차적으로 화학흡착시켜 화학치환에 의하여 기판 상에 박막을 형성하는 박막 형성장치에 있어서:상기 제1 반응물을 버블링하기 위하여 공급되는 프로세스 가스를 미리 가열하기 위하여 가스 공급부와 내부에서 상기 제1 반응물을 버블링하기 위한 제1 반응물 공급부를 연결하는 제1 가스라인 내에 제1 가열부가 구비됨을 특징으로 하는 반도체 소자에서의 박막 형성장치.
- 제 26항에 있어서,상기 제1 반응물 또는 제2 반응물을 화학흡착시킨 후, 잔류 부산물을 제거하는 퍼징 공정을 진행하기 위하여 공급되는 퍼징 가스를 미리 가열하기 위하여 상기 챔버와 상기 가스 공급부를 연결하는 제3 가스라인 내에 제3 가열부가 구비됨을 특징으로 하는 반도체 소자에서의 박막 형성장치.
- 제 26항에 있어서,상기 제2 반응물을 버블링하기 위하여 공급되는 프로세스 가스를 미리 가열하기 위하여 상기 가스 공급부와 내부에서 상기 제2 반응물을 버블링하기 위한 제2 반응물 공급부를 연결하는 제2 가스라인 내에 제2 가열부가 구비됨을 특징으로 하는 반도체 소자에서의 박막 형성장치.
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US11/038,324 US7273822B2 (en) | 2004-01-20 | 2005-01-19 | Methods and apparatus for forming thin films for semiconductor devices |
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US8741062B2 (en) * | 2008-04-22 | 2014-06-03 | Picosun Oy | Apparatus and methods for deposition reactors |
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US10651080B2 (en) | 2016-04-26 | 2020-05-12 | Lam Research Corporation | Oxidizing treatment of aluminum nitride films in semiconductor device manufacturing |
US10049869B2 (en) * | 2016-09-30 | 2018-08-14 | Lam Research Corporation | Composite dielectric interface layers for interconnect structures |
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US7037574B2 (en) | 2001-05-23 | 2006-05-02 | Veeco Instruments, Inc. | Atomic layer deposition for fabricating thin films |
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