WO2004081255A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- WO2004081255A1 WO2004081255A1 PCT/JP2003/016989 JP0316989W WO2004081255A1 WO 2004081255 A1 WO2004081255 A1 WO 2004081255A1 JP 0316989 W JP0316989 W JP 0316989W WO 2004081255 A1 WO2004081255 A1 WO 2004081255A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- medium
- substrate
- processing
- supercritical state
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims description 15
- 239000000758 substrate Substances 0.000 claims abstract description 85
- 238000000034 method Methods 0.000 claims abstract description 49
- 238000003672 processing method Methods 0.000 claims abstract description 36
- 238000009792 diffusion process Methods 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims description 115
- 238000012545 processing Methods 0.000 claims description 114
- 239000002243 precursor Substances 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 238000005530 etching Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 7
- 238000009940 knitting Methods 0.000 claims description 7
- 239000006227 byproduct Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000002738 chelating agent Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000003446 ligand Substances 0.000 claims description 4
- VYXHVRARDIDEHS-QGTKBVGQSA-N (1z,5z)-cycloocta-1,5-diene Chemical compound C\1C\C=C/CC\C=C/1 VYXHVRARDIDEHS-QGTKBVGQSA-N 0.000 claims description 2
- 150000002366 halogen compounds Chemical class 0.000 claims description 2
- XNMQEEKYCVKGBD-UHFFFAOYSA-N 2-butyne Chemical group CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 claims 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 claims 1
- 125000001891 dimethoxy group Chemical group [H]C([H])([H])O* 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 description 20
- 239000002994 raw material Substances 0.000 description 15
- 230000004888 barrier function Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 230000002265 prevention Effects 0.000 description 10
- 239000011343 solid material Substances 0.000 description 10
- 238000000151 deposition Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 239000011344 liquid material Substances 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- WRFWAYDBNCOWRA-UHFFFAOYSA-N 3,4-dichloro-1-(6-iodo-4-oxo-2-thiophen-2-ylquinazolin-3-yl)pyrrole-2,5-dione Chemical compound O=C1C(Cl)=C(Cl)C(=O)N1N1C(=O)C2=CC(I)=CC=C2N=C1C1=CC=CS1 WRFWAYDBNCOWRA-UHFFFAOYSA-N 0.000 description 2
- 241001155430 Centrarchus Species 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- GCSJLQSCSDMKTP-UHFFFAOYSA-N ethenyl(trimethyl)silane Chemical compound C[Si](C)(C)C=C GCSJLQSCSDMKTP-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- -1 silyl olefin Chemical class 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- VYXHVRARDIDEHS-UHFFFAOYSA-N 1,5-cyclooctadiene Chemical compound C1CC=CCCC=C1 VYXHVRARDIDEHS-UHFFFAOYSA-N 0.000 description 1
- 239000004912 1,5-cyclooctadiene Substances 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001517310 Eria Species 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229910004166 TaN Inorganic materials 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 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
- 150000001412 amines Chemical class 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- IVCXCMWIDPRYEH-UHFFFAOYSA-N but-2-yne Chemical compound CC#CC.CC#CC IVCXCMWIDPRYEH-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- DGCTVLNZTFDPDJ-UHFFFAOYSA-N heptane-3,5-dione Chemical compound CCC(=O)CC(=O)CC DGCTVLNZTFDPDJ-UHFFFAOYSA-N 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
- C23C18/1862—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by radiant energy
- C23C18/1865—Heat
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
- C23C18/1872—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
- C23C18/1875—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment only one step pretreatment
- C23C18/1882—Use of organic or inorganic compounds other than metals, e.g. activation, sensitisation with polymers
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
- C23C18/1872—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
- C23C18/1886—Multistep pretreatment
- C23C18/1893—Multistep pretreatment with use of organic or inorganic compounds other than metals, first
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/288—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76814—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics post-treatment or after-treatment, e.g. cleaning or removal of oxides on underlying conductors
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76861—Post-treatment or after-treatment not introducing additional chemical elements into the layer
- H01L21/76862—Bombardment with particles, e.g. treatment in noble gas plasmas; UV irradiation
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76807—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures
Definitions
- the present invention relates to a processing method and a method for manufacturing a semiconductor device, and more particularly, to a method for forming a metal film.
- the sputtering method, CVD method, plating method, etc. are generally known.However, when fine wiring is considered, the coverage is limited. It is extremely difficult to efficiently deposit Cu on a fine pattern with a high aspect ratio of 1 ⁇ m or less.
- Non-Patent Document 1 a method of depositing Cu using a medium in a supercritical state has been proposed (for example, see Non-Patent Document 1).
- a precursor compound (precursor) containing Cu for Cu film formation is dissolved using supercritical CO 2 to form a film of Cu.
- the supercritical state means that when the temperature and pressure of a substance exceed a value (critical point) peculiar to the substance, the substance becomes a state having both characteristics of gas and liquid.
- Non-Patent Document 1 introduces the embedding of Cu in a fine pattern.
- Non-Patent Document 1 ⁇ Deposition of Conformal Copper and Nickel Films from Supercritical Carbon DioxideJ SC IENCE vo 1 294 2001 1 0 05 www.sciencemag.org
- Cu is required to prevent diffusion of Cu into an insulating film between Cu wirings. It is necessary to form an anti-diffusion film of the cu between the insulating films in which is formed. Further, the diffusion prevention film also plays a role as an adhesion layer for improving the adhesion between the Cu film and the insulating film.
- the above-mentioned C11 diffusion prevention film is a metal film, a metal nitride film or a laminated film of a metal film and a metal nitride film.
- a metal film a metal nitride film or a laminated film of a metal film and a metal nitride film.
- Ti, Ta, W, TiN, TaN, WN, etc. are used.
- the sputtering method has been used to form the Cu diffusion barrier film as described above, but in recent years, the CVD method with good coverage has been often used.
- the surface of the Cu diffusion prevention film is covered with, for example, the oxide film of the Cu diffusion prevention film, and the surface is not clean. If so, the following problems will occur. For example, when the adhesion between the diffusion prevention film and the Cu film is deteriorated, or when a disgusting Cu film is formed on the fine pattern on which the diffusion prevention film is formed, a cavity called a void is generated.
- a cavity called a void is generated.
- the Cu film in forming a Cu film on a fine pattern on which a Cu diffusion preventing film is formed, the Cu film is formed by a cleaning method using a medium in a supercritical state.
- a cleaning method using a medium in a supercritical state.
- the present invention solves the above problem by providing a first processing medium including a medium in a supercritical state on a substrate to be processed and cleaning a film containing metal on the surface of the substrate to be processed by a first method. And a second step of supplying a second processing medium including the medium in the supercritical state on the substrate to be processed to form a Cu film, thereby solving the problem. I do.
- the cleaning method using a medium in a supercritical state is performed on the surface of the 3D plate to be treated.
- FIG. 1 is a diagram (part 1) illustrating a process flow of a substrate processing method according to the present invention.
- FIG. 2 is a diagram (part 1) illustrating a configuration of a substrate processing apparatus 3 for performing the substrate processing according to the present invention.
- FIG. 3 is a diagram (part 2) illustrating a process flow of the substrate processing method according to the present invention.
- FIG. 4 is a diagram (part 3) illustrating a process flow of the substrate processing method according to the present invention.
- FIG. 5 is a diagram (part 4) illustrating a process flow of the substrate processing method according to the present invention. You.
- FIG. 6A is a saturation vapor pressure curve of a Cu film forming precursor
- FIG. 6B is a diagram showing a partial pressure of the Cu film forming precursor in CO 2 in a supercritical state.
- FIG. 7 is a view (No. 5) showing a process flow of the substrate processing method according to the present invention.
- FIG. 8 is a diagram (part 6) illustrating a process flow of the substrate processing method according to the present invention.
- FIG. 9 is a view (No. 7) showing a process flow of the substrate processing method according to the present invention.
- FIG. 10 is a diagram (part 2) illustrating a configuration of a substrate processing apparatus that performs substrate processing according to the present invention.
- FIG. 11 is a diagram (part 3) illustrating a configuration of a substrate processing apparatus that performs substrate processing according to the present invention.
- 12A to 12C are diagrams (part 1) illustrating a method for manufacturing a semiconductor device using the substrate processing method according to the present invention.
- 12D to 12F are views (No. 2) showing a method for manufacturing a semiconductor device using the substrate processing method according to the present invention.
- FIG. 1 is a process flow showing a substrate processing method according to the present invention.
- the following processing is performed by using CO 2 in a supercritical state as described above.
- the substrate processing method is roughly divided into a first step of cleaning the surface of the substrate to be processed (indicated by S100 in the figure) and a second step of C u film formation (indicated by S300 in the figure).
- the co 2 in the supercritical state by using a processing «certain body dissolving etchant, an oxide film formed on C u diffusion preventing film on the substrate to be processed Remove.
- a processing «certain body dissolving etchant By removing the oxide film, the Cu diffusion preventing film and
- FIG. 2 shows a configuration of a substrate processing apparatus 500 capable of performing the processing method according to the present invention.
- the substrate processing unit 500 is roughly divided into a processing vessel 501 having a substrate holding table 501 A having a built-in substrate heater 501 a and a substrate processing.
- a gas exhaust system including an exhaust line 503 for evacuating the processing vessel 501 from the mixer 502 for supplying a processing medium including a medium in a supercritical state to the processing container.
- a semiconductor wafer W to be processed is placed on the mounting table 501 A, and a processing medium including a medium in a supercritical state is supplied from the mixer 502 to the processing container 501.
- Sickle processing is performed.
- the processing medium after the consolidation processing is discharged from the exhaust line 503 by opening the valve 504, and the processing container 501 is brought to a substantially atmospheric pressure state.
- the evacuating line 508 is evacuated by the vacuum pump 507 by opening the valve 506 and the valve 538. It is possible.
- the mixer 502 forming the processing medium and supplying the processing medium to the processing container 501 is provided with a supply line 510 having a valve 509. Connected through.
- a processing medium is formed by mixing a medium in a supercritical state with a predetermined additive, and the processing medium is supplied to the processing container 501.
- the mixer 5 0 2 the liquid C_ ⁇ 2 source 5 1 2 connected to pressurizing line 5 1 1 are connected.
- the valve 5 1 4 and the valve 5 1 6 is open, the C 0 2 from the liquid C 0 2 supply source 5 1 2 is supplied to the mixer 5 0 2.
- C 0 2 supplied to the mixer 502 is pressurized by the pressurizing pump 5 17 installed in the knitting pressurizing line 5 11 to be brought into a supercritical state.
- the pressurizing pump 5 1 7 a is, C 0 2 by suppressing the temperature rise during operation to allow Caro pressure in a liquid state, is cooled by the fliers scratch.
- the mixer 502 the disgusting treatment vessel 501, the supply line 510, and A heater is installed in a part of the pressurizing line 511 and the like, and calorie heat is generated, so that CO 2 exceeds a critical point and enters a supercritical state.
- area 501B an area in which a heater is installed and heated in the disgusting substrate processing apparatus 500 to generate a supercritical state is indicated by area 501B in the figure.
- ⁇ mixer 502 is connected to liquid raw material supply line 518, solid raw material; ⁇ supply line 519, gas supply line 520, respectively; ⁇ night raw material
- a solid raw material and a gas are dissolved or mixed in a medium in a supercritical state to prepare a processing medium, which is supplied to the processing container 501.
- the liquid source supply / discharge line 5 18 will be described.
- the liquid source supply line 518 is connected to a liquid source container 521 that holds a liquid source 523, and is connected.
- the liquid source container 521 is pressurized by an inert gas supplied from a gas line 522 connected to an inert gas supply source (not shown), and the liquid source container 521 is opened by opening a valve 523.
- the liquid raw material 5 23 is supplied to the mixer 502 from the difficult supply line 5 18. At this time, the supplied liquid raw material 523 is adjusted to a predetermined flow rate by the mass flow controller 524 provided in the liquid gas supply line 518.
- the supplied liquid raw material 52 3 is mixed with the supercritical state medium in the mixture 502 and supplied to the processing container 501.
- the solid material 5 2 6 to C 0 2 is the medium of the supercritical state you create a process medium that was sufficiently dissolved. Thereafter, the valve 527 is opened to supply the processing medium to the mixing vessel 502 previously filled with the medium in a supercritical state.
- the processing medium supplied to the knitting mixer 5002 is supplied to the processing container 501 via the supply line 501 by opening Iff! Further, the it gas supply line 520 will be described.
- the gas supply line 5 2 0 with H 2 supply line 5 2 9 denoted with the valve 5 3 0, valves 5 3 and 2 denoted E Tsuchingu agent supply line 5 3 1 is connected, respectively H 2
- An etching agent can be supplied to the mixer 502. The supplied H 2 and the etching agent are mixed with a medium in a supercritical state in an anaerobic mixer and supplied to the processing vessel 501.
- the tin self-consideration processing apparatus 500 performs substrate processing by using a processing medium in which a solid material, a liquid material, or a gas is mixed or dissolved in a supercritical medium. Is possible.
- the pressurizing line 5 11 1 is connected to the processing vessel 5 1 1 via a pre-pressurizing line 5 3 5 equipped with a valve 5 4 0, and is connected through the pre-pressurizing line 5 3 5
- the structure is such that the pressure of the disgusting treatment container 501 can be increased without passing through the mixer 502.
- the mixer 502 and the pressurizing line 5111 are provided with a pressure release valve 536 and a pressure release valve 537, respectively.
- the abnormal rise of is prevented.
- the processing vessel 501 is adjusted to a predetermined pressure by the back pressure valve 504 through the exhaust line 503, so that an abnormal increase in pressure can be prevented.
- the substrate processing method according to the present invention is roughly divided into the first step and the second step.
- a detailed flow of each of the first step and the second step will be described with reference to the drawings.
- the same reference numerals are used for the parts described above, and the description is omitted.
- the first process includes Step 101 (indicated as S 101 in the figure; the same applies hereinafter) to: 107.
- the pulp 506, 534, and 538 are opened, and the processing pump 501 and the mixer 502 are evacuated by the vacuum pump 507. After completion of the evacuation, the valves 506, 534 and 538 are closed. Alternatively, it is possible to open the valve 509 without opening the valve 534 and evacuate the mixer 502 through the processing container 501.
- Step 1 0 2 supplies the C 0 2 in the Banorebu 5 1 4 and the Panorebu 5 4 0 by opening a disgusting himself processing container 5 0 1.
- pressurization is performed using the pressurizing pump 5 17 a, and the area 5 0 1 B including the processing vessel 5 1 and the mixer 5 0 2 is heated by a heater. Therefore, co 2 in the processing vessel 501 is set to a condition exceeding the critical point of the co 2 .
- the pressurizing pump 5 1 7 a because it is by connexion cooled to fliers of all, anti technique that C 0 2 is gaseous, the C 0 2 can be pressurized in the liquid state.
- the critical point of the C ⁇ 2 is a temperature of 31.03 ° C and a pressure of 7.38 MPa
- the processing vessel 501 is controlled to a temperature and a pressure higher than the critical point, wherein the processing vessel 5 0 1 is in a state of being filled with C 0 2 in the supercritical state.
- the valve 514 and the tiff self-pulp 540a are closed.
- Advance the processing container 5 0 1 like this by leaving filled with C 0 2 in the supercritical state, the processing medium containing a C 0 2 in a supercritical state after this is introduced into the processing chamber 5 0 1
- the processing medium can maintain the supercritical state, and can maintain the processing medium dissolved in the supercritical state at a high concentration.
- the wafer W is heated by the substrate heater 501 a to a temperature of 100 ° C. to 400 ° C. You.
- step 103 by opening the valve 532, the etching agent is supplied from the etching agent supply line 531, to the mixer 502 in a reduced pressure state.
- the inside of the! ft self-mixer 502 is filled with the etching agent, and after a predetermined time has elapsed, the self-pulp 5332 is closed.
- step 104 the valve 516 is opened, and the CO 2 is introduced into the mixer 502 by the pressurizing pump 517, which has been cooled in advance by a chiller, and is brought into a supercritical state.
- the etching agent sufficiently diffuses and mixes to form a processing medium.
- the valve 516 is closed.
- the valve 509 is opened in step 1 ⁇ 5, the processing ⁇ containing C 0 2 in the supercritical state is, Ru is introduced into the processing container 501 from the mixed 502.
- the ttrf self-valve 516a is opened and closed for pressure adjustment as needed, and a substance in the mixer 502 is transported to the processing container 501.
- step 106 substrate processing is performed by the processing medium.
- the pre-pressurization of the processing vessel to the supercritical state in step 102 may be performed between step 104 and step 105.
- a reaction occurs that removes the film.
- the etching agent a chelating agent, a halogen compound, an acid, an amine and the like can be used.
- H hexafluoroacetyl acetate
- the following reaction occurs to remove the oxide film on the Ta or TaN film surface.
- HC 1 can be used as the acid
- the oxide film is similarly removed by the reaction represented by.
- C 1 F 3 can be used as the halogen.
- the valve 530 is opened, H 2 is further introduced into the mixer, and H 2 is introduced into the processing medium. 2 by adding
- the adhesion between the Cu film formed in the subsequent second step and the Ta or TaN film can be improved.
- voids during Cu film formation due to the oxide film Prevention of generation and good film formation of Cu film on fine patterns are advantageous.
- acetylacetone 1,1,1,1-trifluoro-1, pentane-1,2,4 _Dione, 2,6-dimethinolepentane-1,3,5-dione, 2,2,7-trimethylotatan _2,4 dione, 2,2,6,6-tetramethylheptane-1,3,5-dione, EDTA (Ethylenediaminetetraacetic acid), NTA (nitrotriacetic acid), acetic acid, formic acid, oxalic acid, maleic acid, glyconoleic acid, citric acid, lingoic acid, lactic acid, amino acid, triethanolamine and the like can be used.
- step 107 the valves 504 and 538 are opened to discharge the processing medium in the processing container 501 and the mixer 502, and the first step is performed. finish.
- the example of removing the oxide film formed on the surface of Ta or TaN was shown.
- Ti, TiN, W, Wi The present invention can also be applied to a method of etching an oxide film or the like formed on the surface of N, and the same effects as those of the Ta and TaN fields described in the embodiment can be obtained.
- a rinsing step may be performed as shown in FIG.
- FIG. 4 is a modification of the third embodiment shown in FIG.
- the parts described above are denoted by the same reference numerals, and description thereof will be omitted.
- steps 101 to 107 are the same as those in the third embodiment shown in FIG.
- step 108 the valve 504 is closed and the valve 516 is opened to fill the mixer and the processing vessel 501 with supercritical CO 2 . Then, the pulp 516 is closed.
- step 110 the pulp 504 is opened again to discharge the supercritical CO 2 from the processing vessel 501 and the mixer 502.
- the unreacted processing medium and by-products adhering to the inner wall of the processing container 501 and the wafer W are processed. It becomes possible to discharge to the outside of the physical container 501.
- the process is returned to the step 107 from the step 108 by the step 109, and the rinsing step from the step 107 to the step 108 is repeated a plurality of times. The above-mentioned residue and reaction by-product can be removed.
- FIG. 5 shows the contents of the process flow of the second step.
- the second step is a step of forming a Cu film after cleaning the substrate to be processed in the first step.
- a solid material is used as a Cu film forming precursor and a case where a liquid material is used.
- FIG. 5 shows a process flow of using a solid material
- steps 301 and 302 are the same as steps 101 and 102 described above. However, the wafer W is kept at 150 ° C. to 400 ° C. by the knitting heater 501 a.
- step 303 the valve 530 is opened to introduce a predetermined amount of H2 from the H2 supply line 529 into the mixer 502, and then the valve 530 is closed. Eds yourself mixer 5 0 2 is filled with the H 2.
- step 304 the solid raw material 526, which is a Cu film forming precursor held in the solid raw material container 525, is introduced into the mixture 502.
- pressure in advance the valve 5 1 4 and 5 2 8 In the process proceeds to the Step 3 0 4 is opened, also the solid material container 5 2 5 using the pressure pump 5 1 7 C 0 2 State.
- the processing vessel 5 2 5 ranges of the Eria 5 0 1 B, because it is heated by the heater, wherein the solid material container 5 2 within 5 C 0 2 in the supercritical state is created.
- C 0 2 of the supercritical state is high solubility of the precursor
- the C 0 2 in the supercritical state the C u deposition (Kisafuruo port ⁇ cetyl ⁇ Seth sulfonate to) a is for example C u + 2 precursor
- the solid raw material 5 2 6 which is 2 is sufficiently dissolved to form a treatment medium. Therefore, in step 304, the valve 527 is opened to supply the processing medium to the mixer 502. At that time, the return pulp 528 is opened and closed as necessary in order to maintain the pressure of the solid raw material container 525. After the bus revs 527 are opened for a predetermined time, the pan revs 527 are closed.
- step 305 the ttff self-pulp 509 is opened, and the processing medium containing supercritical C 0 2 is introduced into the self-processing container 501 from the kneading mixer 502 from the mixing: 502. Is done. Also, opening and closing of the valve 5 16 is made for pressure adjustments as needed, the supercritical state of the C0 2 is maintained.
- the wafer W is approximately 150 by the substrate heater 50 la. Maintained between C and 400 ° C.
- Co 2 in the supercritical state as Fujionore a very high fluidity, because rich in diffusibility, for example, be the bottom or side wall of 0. 1 ⁇ following fine pattern efficiently the Cu film formed Since the surface of the Ta or TaN film on which the Cu film is formed is removed in the first step, an oxide film is removed and a clean surface is obtained. It has good adhesion to the Cu film and no voids are formed, and good coverage characteristics can be obtained.
- step 307 is the same as step 107 described above.
- Cu deposition precursor has been used 2 (hexa full O b acetyl Asetoneto to) Cu in the present embodiment, other CU ( ⁇ cetyl ⁇ Seth sulfonate) 2, and CU +2 (2, 2, 6 , 6-tetramethyl-1,3,5-heptanedione) 2 can be used to obtain similar results.
- the Cu film formation precursor is an example that shows high solubility to the C0 2 in the supercritical state, shown in FIG. 6A, FIG. 6 B.
- Figure 6A RESievers and JESadlowski, Science 201 (1978) 217, Figure 6B, A. RLagalante, BNHansen, TJBruno, Inorg.Chem, 34 (1995)
- FIG. 6A shows a saturated vapor pressure curve of Cu + 2 (hexafluoroacetylacetonate) 2 , which is a Cu deposition precursor.
- the saturated vapor pressure at 40 ° C is about 0.01 To rr.
- FIG. 6B at 313.
- 15K (40 ° C) in a supercritical state in the C0 2 It shows the partial pressure of C-2 (hexafluoroacetylacetonate) 2 .
- the partial pressure is about 100 OPa or more, and a very high density Cu + 2 ( to Kisa full O b acetyl ⁇ Seth sulphonate) 2 is present in C 0 2 in the supercritical state, it can be seen that shows ie, high solubility.
- the fine pattern has a good power balance while maintaining the film formation rate.
- Film formation can be performed.
- the fifth embodiment can be modified as in the sixth embodiment shown in FIG. However, in the figure, the same reference numerals are given to the parts described above, and the description is omitted.
- steps 308 to 310 are added. This is the same rinsing step as in steps 108 to 110, and has the effect of removing residues and by-products inside the processing vessel 501 and on the wafer W.
- FIG. 8 is a view showing a process flow of the second step when a liquid material is used for a Cu film forming precursor.
- the same reference numerals are given to the parts described above, and the description is omitted.
- steps 311 and 312 are the same as steps 301 and 302, respectively.
- the wafer W is maintained at 100 ° C. to 350 ° C. by the substrate heater 50la.
- step 313 for example, Cu + i of the Cu film forming precursor extruded by an inert gas such as Ar supplied from the gas line 522.
- step 3 1 4 the valve 5 1 6 is open C 0 2 in the supercritical state is introduced into the mixer 502, the C0 2 and the liquid source 52 3 is sufficiently diffused in the supercritical state ⁇ Mix to form processing media. After a predetermined time has elapsed, the valve 516 is closed.
- Step 3 1 5 the process medium containing C 0 2 in the supercritical state is, Ru is introduced into the processing container 501 from the mixer 502.
- # 3 valve 5 16 is opened and closed for pressure adjustment as needed, and the supercritical state of Co 2 is maintained.
- step 3 16 the following processing is performed on the wafer
- the wafer W is maintained at about 100 ° C. to 35 ° C. by the substrate heater 501 a.
- Co 2 in the supercritical state as described above high very fluid, because rich in diffusibility, for example, be the bottom and sidewalls of the following fine pattern 0. 1 mu m, efficiently the C u film A film can be formed, and good coverage characteristics can be obtained.
- step 317 is the same as step 307 described above.
- Cu + i hexafluoroacetylacetonate
- Cu + i hexafluroacetylacetonate
- silyl olefin ligands wherein the silyl olefin ligands are lyloxytrimethylsilyl (aotms), dimethylacetylene (2-butyne), 2-methyl-1-hexin-13-yne (MHY), Using a precursor selected from the group consisting of 3-hexyne-1,2,5-dimethoxy (HDM), 1,5-cyclooctadiene (1,5-COD), and butyltrimethoxylen (VTMOS) However, a similar result can be obtained.
- HDM 3-hexyne-1,2,5-dimethoxy
- VTMOS butyltrimethoxylen
- first step and the second step have been described so far, but the first step and the second step are also performed in the processing apparatus 500 in the case where the first step and the second step are performed.
- first step and the second step can be performed in different substrate processing apparatuses or processing containers.
- an example of the substrate processing apparatus 500A performing the first step and an example of the substrate processing apparatus 500B performing the second step will be described below.
- FIG. 10 shows the substrate processing apparatus 500A.
- the parts described above are denoted by the same reference numerals, and description thereof is omitted.
- the Cu film forming step in the second step is not performed when compared with the substrate processing apparatus 500,
- the solid raw material supply line 5 19 and the solid raw material container 5 25 5 S are omitted.
- the substrate processing apparatus 500 OA only the first step described in the third and fourth embodiments is performed, and the substrate processing apparatus 500 B is used to perform the next second step. C W is transported.
- FIG. 11 shows a self-fabricated substrate processing apparatus 500B in which the disgusting second step is performed.
- the same reference numerals are given to the parts described above, and the description is omitted.
- the knitting etching agent supply line since the first step is not performed when compared with the substrate processing apparatus 500, the knitting etching agent supply line
- the wafer W subjected to the first process in the substrate processing apparatus 500A is subjected to the second processing described in the fifth to eighth embodiments. Is performed.
- the first step and the second step can be performed in different countermeasures, and the first step and the second step can be performed by the substrate processing apparatus 500. It is possible to obtain the same result as when the above is executed.
- an insulating film for example, a silicon oxide film 61 is formed so as to cover an element (not shown) such as a MOS transistor formed on a semiconductor substrate made of silicon.
- an element such as a MOS transistor formed on a semiconductor substrate made of silicon.
- a wiring layer (not shown) made of, for example, W electrically connected to the element, and a wiring layer made of, for example, Cu connected thereto.
- a first insulating layer 603 is formed on the silicon oxide film 601 so as to cover the Cu layer 602.
- the disgusting insulating layer 603 has a groove 604a and a hole 604b.
- a Cu layer 604 serving as a wiring layer is formed in the groove portion 604a and the hole portion 604b, and the Cu layer 604 is electrically connected to the aforementioned Cu layer 602. I have.
- the parasite layer is provided on the contact surface between the first insulating layer 603 and the Cu layer 604 and the contact surface between the Cu layer 602 and the Cu layer 604.
- the barrier layer 604 c prevents the Cu layer 604 from disturbing the diffusion of Cu into the first insulating layer 603 and the Cu layer 604 and It functions as an adhesion layer for improving the adhesion of the first insulating layer 603.
- the barrier layer 604c is made of a metal and a configuration of the metal nitride film, for example, Ta and TaN force.
- a second insulating layer 606 is formed so as to cover the knitting Cu layer 604 and the first insulating layer 603.
- a Cu layer and a barrier layer are formed by applying the substrate processing method according to the present invention to the second insulating layer 606.
- a groove portion 607a and a hole portion 607b are formed in the second insulating layer by dry etching.
- a film of a non-aluminum layer 607 c is formed on the exposed surface of the Cu layer 604 on the second insulating film 606.
- the barrier layer 607 c includes, for example, a Ta film and a TaN film in this case, a TaN film is formed after forming a Ta film, and a barrier layer formed of TaTaN is formed. To form 6 07 c.
- the first step of the substrate processing method according to the present invention is applied.
- the first step of the substrate processing method according to the present invention is applied.
- a second step according to the present invention is applied to form a Cu layer 607 on the barrier layer 607c.
- supercritical since state are used C 0 2 of, for having C 0 2 is good diffusion of the supercritical C u deposition precursor is dissolved, fine the hole portion
- the Cu layer 607 can be formed with good coverage also on the bottom and side walls of the 607b and the groove 607a.
- the upper portion of the Cu layer 607 and the barrier film 607 c are subjected to S grinding by, for example, a CMP method, so that the Cu of the second insulating layer Wiring is completed.
- a second + n (n is a natural number) insulating layer is further formed on the second insulating layer, and the substrate processing method according to the present invention is applied to each of the insulating layers.
- Replacement Paper '(Rule 26) It can be applied to form Cu wiring.
- the present invention can be applied to the formation of the clean Cu layer 604 of the disgusting barrier film 604 c formed on the first insulating layer of the tiff.
- the Cu film on the surface of the substrate to be processed is subjected to a tallying method using a medium in a supercritical state.
- a film of Cu is formed with good adhesion to the fine pattern, void-free and with good power barrier. It becomes possible.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Chemically Coating (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Electrodes Of Semiconductors (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003292700A AU2003292700A1 (en) | 2003-01-27 | 2003-12-26 | Semiconductor device |
US11/190,127 US20050260846A1 (en) | 2003-01-27 | 2005-07-27 | Substrate processing method, semiconductor device production method, and semiconductor device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-17949 | 2003-01-27 | ||
JP2003017949A JP2004225152A (ja) | 2003-01-27 | 2003-01-27 | 基板処理方法および半導体装置の製造方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/190,127 Continuation US20050260846A1 (en) | 2003-01-27 | 2005-07-27 | Substrate processing method, semiconductor device production method, and semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004081255A1 true WO2004081255A1 (ja) | 2004-09-23 |
Family
ID=32904961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/016989 WO2004081255A1 (ja) | 2003-01-27 | 2003-12-26 | 半導体装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050260846A1 (ja) |
JP (1) | JP2004225152A (ja) |
KR (1) | KR20050094053A (ja) |
CN (1) | CN1745193A (ja) |
AU (1) | AU2003292700A1 (ja) |
WO (1) | WO2004081255A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100734713B1 (ko) | 2004-10-19 | 2007-07-02 | 동경 엘렉트론 주식회사 | 성막 방법 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004228526A (ja) * | 2003-01-27 | 2004-08-12 | Tokyo Electron Ltd | 基板処理方法および半導体装置の製造方法 |
JP4815603B2 (ja) | 2004-06-04 | 2011-11-16 | 国立大学法人山梨大学 | 超臨界流体又は亜臨界流体を用いた酸化物薄膜、又は金属積層薄膜の成膜方法、及び成膜装置 |
JP2006061862A (ja) | 2004-08-30 | 2006-03-09 | Univ Of Yamanashi | 超臨界流体中に連続的に低圧の気体を添加する方法およびそのための装置 |
US7008853B1 (en) * | 2005-02-25 | 2006-03-07 | Infineon Technologies, Ag | Method and system for fabricating free-standing nanostructures |
CN106733945B (zh) * | 2016-12-30 | 2022-11-29 | 上海颐柏热处理设备有限公司 | 一种超临界状态清洗系统及方法 |
JP7362300B2 (ja) | 2019-06-04 | 2023-10-17 | 東京エレクトロン株式会社 | 基板処理装置及びその制御方法 |
TW202325416A (zh) * | 2021-08-05 | 2023-07-01 | 日商東京威力科創股份有限公司 | 基板處理方法及基板處理裝置 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02209729A (ja) * | 1989-02-09 | 1990-08-21 | Matsushita Electric Ind Co Ltd | 半導体装置の製造方法及び異物除去装置 |
JPH09139374A (ja) * | 1995-11-15 | 1997-05-27 | Hitachi Ltd | 表面処理方法および装置ならびにこれにより得られた素子 |
JPH10321991A (ja) * | 1997-05-21 | 1998-12-04 | Fujitsu Ltd | 回路基板の配線形成方法 |
WO1999010167A1 (fr) * | 1997-08-27 | 1999-03-04 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Objet enrobe et procede de fabrication de cet objet |
JPH1187306A (ja) * | 1997-09-12 | 1999-03-30 | Nippon Telegr & Teleph Corp <Ntt> | 超臨界乾燥装置 |
EP0913497A1 (en) * | 1997-09-16 | 1999-05-06 | Ebara Corporation | Method and apparatus for plating a substrate |
JPH11216437A (ja) * | 1998-01-30 | 1999-08-10 | Sharp Corp | 超臨界流体洗浄方法及び超臨界流体洗浄装置 |
JP2000063891A (ja) * | 1998-08-17 | 2000-02-29 | Nippon Telegr & Teleph Corp <Ntt> | 超臨界二酸化炭素による洗浄装置 |
WO2001063005A1 (fr) * | 2000-02-22 | 2001-08-30 | Cosmo Research Institute | Procede de pretraitement de plastique pour revetement et procede de revetement |
WO2002016673A1 (en) * | 2000-08-24 | 2002-02-28 | Hideo Yoshida | Electrochemical treating method such as electroplating and electrochemical reaction device therefor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5789027A (en) * | 1996-11-12 | 1998-08-04 | University Of Massachusetts | Method of chemically depositing material onto a substrate |
US6066196A (en) * | 1998-09-18 | 2000-05-23 | Gelest, Inc. | Method for the chemical vapor deposition of copper-based films and copper source precursors for the same |
CN1216415C (zh) * | 2000-04-25 | 2005-08-24 | 东京毅力科创株式会社 | 沉积金属薄膜的方法和包括超临界干燥/清洁组件的金属沉积组合工具 |
US7357138B2 (en) * | 2002-07-18 | 2008-04-15 | Air Products And Chemicals, Inc. | Method for etching high dielectric constant materials and for cleaning deposition chambers for high dielectric constant materials |
-
2003
- 2003-01-27 JP JP2003017949A patent/JP2004225152A/ja active Pending
- 2003-12-26 WO PCT/JP2003/016989 patent/WO2004081255A1/ja active Application Filing
- 2003-12-26 KR KR1020057013741A patent/KR20050094053A/ko not_active Application Discontinuation
- 2003-12-26 CN CNA2003801093041A patent/CN1745193A/zh active Pending
- 2003-12-26 AU AU2003292700A patent/AU2003292700A1/en not_active Abandoned
-
2005
- 2005-07-27 US US11/190,127 patent/US20050260846A1/en not_active Abandoned
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02209729A (ja) * | 1989-02-09 | 1990-08-21 | Matsushita Electric Ind Co Ltd | 半導体装置の製造方法及び異物除去装置 |
JPH09139374A (ja) * | 1995-11-15 | 1997-05-27 | Hitachi Ltd | 表面処理方法および装置ならびにこれにより得られた素子 |
JPH10321991A (ja) * | 1997-05-21 | 1998-12-04 | Fujitsu Ltd | 回路基板の配線形成方法 |
WO1999010167A1 (fr) * | 1997-08-27 | 1999-03-04 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Objet enrobe et procede de fabrication de cet objet |
JPH1187306A (ja) * | 1997-09-12 | 1999-03-30 | Nippon Telegr & Teleph Corp <Ntt> | 超臨界乾燥装置 |
EP0913497A1 (en) * | 1997-09-16 | 1999-05-06 | Ebara Corporation | Method and apparatus for plating a substrate |
JPH11216437A (ja) * | 1998-01-30 | 1999-08-10 | Sharp Corp | 超臨界流体洗浄方法及び超臨界流体洗浄装置 |
JP2000063891A (ja) * | 1998-08-17 | 2000-02-29 | Nippon Telegr & Teleph Corp <Ntt> | 超臨界二酸化炭素による洗浄装置 |
WO2001063005A1 (fr) * | 2000-02-22 | 2001-08-30 | Cosmo Research Institute | Procede de pretraitement de plastique pour revetement et procede de revetement |
WO2002016673A1 (en) * | 2000-08-24 | 2002-02-28 | Hideo Yoshida | Electrochemical treating method such as electroplating and electrochemical reaction device therefor |
Non-Patent Citations (1)
Title |
---|
BLACKBURN J.M. ET AL.: "Deposition of conformal copper and nickel films from supercritical carbon dioxide", SCIENCE, vol. 294, 5 October 2001 (2001-10-05), pages 141 - 145, XP002977531 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100734713B1 (ko) | 2004-10-19 | 2007-07-02 | 동경 엘렉트론 주식회사 | 성막 방법 |
Also Published As
Publication number | Publication date |
---|---|
CN1745193A (zh) | 2006-03-08 |
KR20050094053A (ko) | 2005-09-26 |
US20050260846A1 (en) | 2005-11-24 |
AU2003292700A1 (en) | 2004-09-30 |
JP2004225152A (ja) | 2004-08-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7615486B2 (en) | Apparatus and method for integrated surface treatment and deposition for copper interconnect | |
JP5489717B2 (ja) | 金属堆積のために基板表面を調整する方法および統合システム | |
KR100644005B1 (ko) | 기판 처리 방법 및 반도체 장치의 제조 방법 | |
KR102053517B1 (ko) | 루테늄 배선의 제조 방법 | |
WO2008053625A1 (fr) | Procédé de dépôt de film et appareillage pour traiter des substrats | |
US8562743B2 (en) | Method and apparatus for atomic layer deposition | |
TWI374951B (en) | Integrated electroless deposition system | |
WO2007046204A1 (ja) | 基板処理装置,基板処理方法,プログラム,プログラムを記録した記録媒体 | |
TWI745427B (zh) | 成膜方法、成膜系統及其記憶媒體 | |
US20080124924A1 (en) | Scheme for copper filling in vias and trenches | |
KR101094125B1 (ko) | 배리어와 구리 금속화물 간에 낮은 계면 산화물 접촉을 위한 방법 및 시스템 | |
US6179925B1 (en) | Method and apparatus for improved control of process and purge material in substrate processing system | |
WO2004081255A1 (ja) | 半導体装置 | |
US8034403B2 (en) | Method for forming copper distributing wires | |
US20060099348A1 (en) | Deposition method | |
JP2006120713A (ja) | 成膜方法 | |
US20120040085A1 (en) | METHOD FOR FORMING Cu FILM AND STORAGE MEDIUM | |
US20060121307A1 (en) | Film deposition method | |
US7846839B2 (en) | Film forming method, semiconductor device manufacturing method, semiconductor device, program and recording medium | |
JP4959122B2 (ja) | バナジウム含有膜の形成方法 | |
JP4911583B2 (ja) | Cvd装置 | |
JP2006093551A (ja) | チタン含有膜の形成方法 | |
JP2006148089A (ja) | 成膜方法 | |
JP2009044056A (ja) | 銅膜作製方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NI NO NZ OM PH PL PT RO RU SC SD SE SG SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1020057013741 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 20038A93041 Country of ref document: CN Ref document number: 11190127 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1020057013741 Country of ref document: KR |
|
WWR | Wipo information: refused in national office |
Ref document number: 1020057013741 Country of ref document: KR |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 03768345 Country of ref document: EP Kind code of ref document: A1 |