KR20040005568A - 원자층 증착 방법에 의한 실리콘 산화막 형성 방법 - Google Patents
원자층 증착 방법에 의한 실리콘 산화막 형성 방법 Download PDFInfo
- Publication number
- KR20040005568A KR20040005568A KR1020030006370A KR20030006370A KR20040005568A KR 20040005568 A KR20040005568 A KR 20040005568A KR 1020030006370 A KR1020030006370 A KR 1020030006370A KR 20030006370 A KR20030006370 A KR 20030006370A KR 20040005568 A KR20040005568 A KR 20040005568A
- Authority
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- South Korea
- Prior art keywords
- reactant
- silicon oxide
- oxide film
- substrate
- temperature
- Prior art date
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 151
- 238000000034 method Methods 0.000 title claims abstract description 143
- 238000000231 atomic layer deposition Methods 0.000 title abstract description 43
- 235000012239 silicon dioxide Nutrition 0.000 title 1
- 239000000377 silicon dioxide Substances 0.000 title 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 149
- 239000000376 reactant Substances 0.000 claims abstract description 132
- 239000000758 substrate Substances 0.000 claims abstract description 67
- 239000003054 catalyst Substances 0.000 claims abstract description 41
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 150000003376 silicon Chemical class 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 41
- 239000006227 byproduct Substances 0.000 claims description 28
- -1 heterocyclic amine Chemical class 0.000 claims description 26
- 238000000137 annealing Methods 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 21
- 150000001412 amines Chemical class 0.000 claims description 18
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 14
- 238000010926 purge Methods 0.000 claims description 14
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical group CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 14
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 12
- 125000001931 aliphatic group Chemical group 0.000 claims description 12
- 239000012970 tertiary amine catalyst Substances 0.000 claims description 12
- 239000011261 inert gas Substances 0.000 claims description 11
- 238000009832 plasma treatment Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 239000012298 atmosphere Substances 0.000 claims description 5
- 229910052794 bromium Inorganic materials 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 229910052740 iodine Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 238000000151 deposition Methods 0.000 abstract description 24
- 230000008021 deposition Effects 0.000 abstract description 23
- 229910052710 silicon Inorganic materials 0.000 abstract description 17
- 239000010703 silicon Substances 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000010408 film Substances 0.000 description 137
- 230000008569 process Effects 0.000 description 44
- 239000010410 layer Substances 0.000 description 25
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 22
- 229910003902 SiCl 4 Inorganic materials 0.000 description 15
- 239000004065 semiconductor Substances 0.000 description 14
- 150000003839 salts Chemical class 0.000 description 12
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 11
- 125000004429 atom Chemical group 0.000 description 9
- 238000005530 etching Methods 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000002356 single layer Substances 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000006386 neutralization reaction Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 238000005137 deposition process Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 229910007991 Si-N Inorganic materials 0.000 description 4
- 229910006294 Si—N Inorganic materials 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 238000000682 scanning probe acoustic microscopy Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
- 229910008045 Si-Si Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910006411 Si—Si Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 150000002500 ions Chemical group 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004838 photoelectron emission spectroscopy Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- FYADHXFMURLYQI-UHFFFAOYSA-N 1,2,4-triazine Chemical compound C1=CN=NC=N1 FYADHXFMURLYQI-UHFFFAOYSA-N 0.000 description 1
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical compound C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 150000003510 tertiary aliphatic amines Chemical class 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
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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
- 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
- C23C16/40—Oxides
- C23C16/401—Oxides containing silicon
- C23C16/402—Silicon dioxide
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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
- H01L21/30—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
- H01L21/31608—Deposition of SiO2
- H01L21/31612—Deposition of SiO2 on a silicon body
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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
- 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
- C23C16/44—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
- 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
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
- C23C16/45534—Use of auxiliary reactants other than used for contributing to the composition of the main film, e.g. catalysts, activators or scavengers
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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
- 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
- C23C16/56—After-treatment
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/02277—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition the reactions being activated by other means than plasma or thermal, e.g. photo-CVD
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
- H01L21/0234—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour treatment by exposure to a plasma
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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
- H01L21/30—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
- H01L21/312—Organic layers, e.g. photoresist
- H01L21/3121—Layers comprising organo-silicon compounds
- H01L21/3122—Layers comprising organo-silicon compounds layers comprising polysiloxane compounds
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Abstract
Description
촉매 | 염기도(kJ/mol) | b.p.(℃) | V.P.(Torr@25℃) | 파티클 수 |
트리메틸아민(H3C)3N | 952 | 3 | 기체 | 수십개 |
트리에틸아민(H5C2)3N | 923 | 89 | 59.6 | 수십개 |
디메틸아민(H3C)2NH | 906 | -7 | 기체 | 수천개 |
암모니아(NH3) | 828 | -33 | 기체 | 수만개 |
Claims (49)
- (a) 히드록시기가 결합되어 있는 기판 상에 2 이상의 실리콘 원자를 포함하는 할로겐화 실리콘 제1 반응물을 제1 염기 촉매와 함께 공급하여 상기 기판 상에 상기 제1 반응물의 화학흡착층을 형성하는 단계; 및(b) 상기 화학흡착층 위에 O 및 H를 함유하는 제2 반응물을 제2 염기 촉매와 함께 공급하여 상기 제1 반응물의 화학흡착층과 상기 제2 반응물을 화학 반응시키는 단계를 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제1 항에 있어서, 상기 (a) 단계 전에 상기 기판을 25 ∼ 150℃의 온도로 예열하는 단계를 더 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제1 항에 있어서, 상기 제1 반응물은 SinX2n+2( 2≤n≤25 이고, X는 F, Cl, Br 또는 I) 인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제1 항에 있어서, 상기 제2 반응물은 H2O 또는 H2O2인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제1 항에 있어서, 상기 제1 염기 촉매 및 상기 제2 염기 촉매는 각각 암모니아 또는 아민인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제5 항에 있어서, 상기 아민은 질소를 1 내지 3개 포함하는 6원자 헤테로 고리 아민인 것을 특징으로 하는 실리콘 산화막 형성 방법
- 제1 항에 있어서, 상기 (a) 단계 및 상기 (b) 단계는 각각 25 ∼ 150℃의 온도 하에서 이루어지는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제1 항에 있어서, 상기 (a) 단계 및 상기 (b) 단계는 각각 0.1 ∼ 100torr의 압력 하에서 이루어지는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제1 항에 있어서, 상기 (a) 단계 및 (b) 단계시 각각 상기 반응물이 공급되는 동안 상기 기판 상에 불활성 가스가 같이 공급되는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제1 항에 있어서, 상기 (a) 단계 이후에 상기 제1 반응물의 반응 부산물을 제거하는 단계를,상기 (b) 단계 이후에 상기 제2 반응물의 반응 부산물을 제거하는 단계를 더 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제10 항에 있어서, 상기 제1 반응물의 반응 부산물을 제거하는 단계 및 상기 제2 반응물의 반응 부산물을 제거하는 단계는 각각 불활성 가스를 사용하는 퍼지를 행하거나, 상기 반응물의 공급시의 압력보다 낮은 압력에서의 배기를 행하거나, 상기 퍼지 후 상기 배기를 행하거나, 상기 배기 후 상기 퍼지를 행하는 방식으로 진행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제1 항 또는 제10 항에 있어서, 상기 (a) 내지 (b) 단계를 복수회 반복하거나 상기 (a) 내지 상기 제2 반응물의 반응 부산물을 제거하는 단계를 복수회 반복하여 소정 두께의 실리콘 산화막을 형성한 후, 상기 실리콘 산화막을 어닐링하는 단계를 더 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제12 항에 있어서, 상기 어닐링은 열 처리, 플라즈마 처리 또는 오존 처리를 행하는 방식으로 진행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제13 항에 있어서, 상기 열 처리에 의한 어닐링은 500 ~ 900℃의 온도에서 N2, O2, H2, Ar, N2와 O2의 조합,또는 NH3가스 분위기 하에서 행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제13 항에 있어서, 상기 플라즈마 처리에 의한 어닐링은 200 ∼ 700℃의 온도에서 O2또는 H2가스의 플라즈마를 처리하여 행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제13 항에 있어서, 상기 오존 처리에 의한 어닐링은 실온 ∼ 700℃의 온도에서 상기 오존을 처리하여 행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- (a) 히드록시기가 결합되어 있는 기판 상에 할로겐화 실리콘 제1 반응물을 지방족 3차 아민 촉매와 함께 공급하여 상기 기판 상에 상기 제1 반응물의 화학흡착층을 형성하는 단계; 및(b) 상기 화학흡착층 위에 O 및 H를 함유하는 제2 반응물을 상기 지방족 3차 아민 촉매와 함께 공급하여 상기 제1 반응물의 화학흡착층과 상기 제2 반응물을 화학 반응시키는 단계를 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제17 항에 있어서, 상기 (a) 단계 전에 상기 기판을 25 ∼ 150℃의 온도로 예열하는 단계를 더 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제17 항에 있어서, 상기 제1 반응물은 SiX4,Si2X6, Si3X8, Si4X10, Si5X12, Si10X12또는 Si25X52(X는 F, Cl, Br 또는 I) 인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제17 항에 있어서, 상기 제2 반응물은 H2O 또는 H2O2인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제17 항에 있어서, 상기 지방족 3차 아민은 트리(C1-C6알킬)아민인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제21 항에 있어서, 상기 트리(C1-C6알킬)아민은 트리메틸아민, 트리에틸아민 또는 트리(t-부틸) 아민인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제17 항에 있어서, 상기 (a) 단계 및 상기 (b) 단계는 각각 25 ∼ 150℃의 온도 하에서 이루어지는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제17 항에 있어서, 상기 (a) 단계 및 상기 (b) 단계는 각각 0.1 ∼ 100torr의 압력 하에서 이루어지는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제17 항에 있어서, 상기 (a) 단계 및 상기 (b) 단계 시 각각 상기 반응물이 공급되는 동안 상기 기판 상에 불활성 가스가 같이 공급되는 것을 특징으로 하는실리콘 산화막 형성 방법.
- 제17 항에 있어서, 상기 (a) 단계 이후에 상기 제1 반응물의 반응 부산물을 제거하는 단계를,상기 (b) 단계 이후에 상기 제2 반응물의 반응 부산물을 제거하는 단계를 더 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제26 항에 있어서, 상기 제1 반응물의 반응 부산물을 제거하는 단계 및 상기 제2 반응물의 반응 부산물을 제거하는 단계는 각각 불활성 가스를 사용하는 퍼지를 행하거나, 상기 반응물의 공급시의 압력보다 낮은 압력에서의 배기를 행하거나, 상기 퍼지 후 상기 배기를 행하거나, 상기 배기 후 상기 퍼지를 행하는 방식으로 진행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제17 항 또는 제26 항에 있어서, 상기 (a) 내지 (b) 단계를 복수회 반복하거나 상기 (a) 내지 상기 제2 반응물의 반응 부산물을 제거하는 단계를 복수회 반복하여 소정 두께의 실리콘 산화막을 형성한 후, 상기 실리콘 산화막을 어닐링하는 단계를 더 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제28 항에 있어서, 상기 어닐링은 열 처리, 플라즈마 처리 또는 오존 처리를 행하는 방식으로 진행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제29 항에 있어서, 상기 열 처리에 의한 어닐링은 500 ~ 900℃의 온도에서 N2, O2, H2, Ar, N2와 O2의 조합,또는 NH3가스 분위기 하에서 행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제29 항에 있어서, 상기 플라즈마 처리에 의한 어닐링은 200 ∼ 700℃의 온도에서 O2또는 H2가스의 플라즈마를 처리하여 행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제29 항에 있어서, 상기 오존 처리에 의한 어닐링은 실온 ∼ 700℃의 온도에서 오존을 처리하여 행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- (a) 히드록시기가 결합되어 있는 기판 상에 2 이상의 실리콘 원자를 포함하는 할로겐화 실리콘 제1 반응물을 지방족 3차 아민 촉매와 함께 공급하여 상기 기판 상에 상기 제1 반응물의 화학흡착층(chemisorbed layer)을 형성하는 단계; 및(b) 상기 화학흡착층 위에 O 및 H를 함유하는 제2 반응물을 상기 지방족 3차 아민 촉매와 함께 공급하여 상기 제1 반응물의 화학흡착층과 상기 제2 반응물을 화학 반응시키는 단계를 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제33 항에 있어서, 상기 (a) 단계 전에 상기 기판을 25 ∼ 150℃의 온도로 예열하는 단계를 더 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제33 항에 있어서, 상기 제1 반응물은 SinX2n+2( 2≤n≤25 이고, X는 F, Cl, Br 또는 I) 인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제35 항에 있어서, 상기 제1 반응물은 Si2Cl6인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제33 항에 있어서, 상기 제2 반응물은 H2O 또는 H2O2인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제33 항에 있어서, 상기 지방족 3차 아민은 트리(C1-C6알킬)아민인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제38 항에 있어서, 상기 트리(C1-C6알킬)아민은 트리메틸아민, 트리에틸아민 또는 트리(t-부틸)아민인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제39 항에 있어서, 상기 아민은 트리메틸아민인 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제33 항에 있어서, 상기 (a) 단계 및 상기 (b) 단계는 각각 25 ∼ 150℃의 온도 하에서 이루어지는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제33 항에 있어서, 상기 (a) 단계 및 상기 (b) 단계는 각각 0.1 ∼ 100torr의 압력 하에서 이루어지는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제33 항에 있어서, 상기 (a) 단계 이후에 상기 제1 반응물의 반응 부산물을 제거하는 단계를,상기 (b) 단계 이후에 상기 제2 반응물의 반응 부산물을 제거하는 단계를 더 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제43 항에 있어서, 상기 제1 반응물의 반응 부산물을 제거하는 단계 및 상기 제2 반응물의 반응 부산물을 제거하는 단계는 각각 불활성 가스를 사용하는 퍼지를 행하거나, 상기 반응물의 공급시의 압력보다 낮은 압력에서의 배기를 행하거나, 상기 퍼지 후 상기 배기를 행하거나, 상기 배기 후 상기 퍼지를 행하는 방식으로 진행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제33 항 또는 제43 항에 있어서, 상기 (a) 내지 (b) 단계를 복수회 반복하거나 상기 (a) 내지 상기 제2 반응물의 반응 부산물을 제거하는 단계를 복수회 반복하여 소정 두께의 실리콘 산화막을 형성한 후, 상기 실리콘 산화막을 어닐링하는 단계를 더 포함하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제45 항에 있어서, 상기 어닐링은 열 처리, 플라즈마 처리 또는 오존 처리를 행하는 방식으로 진행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제46 항에 있어서, 상기 열 처리에 의한 어닐링은 500 ~ 900℃의 온도에서 N2, O2, H2, Ar, N2와 O2의 조합,또는 NH3가스 분위기 하에서 행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제46 항에 있어서, 상기 플라즈마 처리에 의한 어닐링은 200 ∼ 700℃의 온도에서 O2또는 H2가스의 플라즈마를 처리하여 행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
- 제46 항에 있어서, 상기 오존 처리에 의한 어닐링은 실온 ∼ 700℃의 온도에서 오존을 처리하여 행하는 것을 특징으로 하는 실리콘 산화막 형성 방법.
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KR101402644B1 (ko) * | 2011-12-09 | 2014-06-03 | 가부시키가이샤 히다치 고쿠사이 덴키 | 반도체 장치의 제조 방법, 기판 처리 방법, 기판 처리 장치 및 기록 매체 |
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CN111560598A (zh) * | 2019-02-14 | 2020-08-21 | Asm Ip 控股有限公司 | 氧化物和氮化物的原子层沉积 |
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EP1383163A2 (en) | 2004-01-21 |
TWI237311B (en) | 2005-08-01 |
US20040018694A1 (en) | 2004-01-29 |
US6992019B2 (en) | 2006-01-31 |
TW200407981A (en) | 2004-05-16 |
JP2004040110A (ja) | 2004-02-05 |
CN100343960C (zh) | 2007-10-17 |
CN1480998A (zh) | 2004-03-10 |
JP4422445B2 (ja) | 2010-02-24 |
KR100505668B1 (ko) | 2005-08-03 |
US20060040510A1 (en) | 2006-02-23 |
EP1383163A3 (en) | 2004-07-07 |
EP1383163B1 (en) | 2012-03-28 |
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