KR20080100394A - 구리 배선의 형성 방법 - Google Patents
구리 배선의 형성 방법 Download PDFInfo
- Publication number
- KR20080100394A KR20080100394A KR1020087025866A KR20087025866A KR20080100394A KR 20080100394 A KR20080100394 A KR 20080100394A KR 1020087025866 A KR1020087025866 A KR 1020087025866A KR 20087025866 A KR20087025866 A KR 20087025866A KR 20080100394 A KR20080100394 A KR 20080100394A
- Authority
- KR
- South Korea
- Prior art keywords
- copper
- film
- gas
- containing film
- substrate
- Prior art date
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- 239000010949 copper Substances 0.000 title claims abstract description 148
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 142
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000000758 substrate Substances 0.000 claims abstract description 148
- 239000002994 raw material Substances 0.000 claims abstract description 76
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 45
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 118
- 230000015572 biosynthetic process Effects 0.000 claims description 84
- 238000006243 chemical reaction Methods 0.000 claims description 52
- 239000010936 titanium Substances 0.000 claims description 30
- 238000005229 chemical vapour deposition Methods 0.000 claims description 25
- 150000004699 copper complex Chemical class 0.000 claims description 24
- 229910052719 titanium Inorganic materials 0.000 claims description 24
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 21
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 18
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 150000002429 hydrazines Chemical class 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 150000001408 amides Chemical class 0.000 claims description 7
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 6
- 125000001153 fluoro group Chemical group F* 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- XKLVLDXNZDIDKQ-UHFFFAOYSA-N butylhydrazine Chemical group CCCCNN XKLVLDXNZDIDKQ-UHFFFAOYSA-N 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 21
- 238000011049 filling Methods 0.000 abstract description 13
- 239000004065 semiconductor Substances 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 69
- 230000004888 barrier function Effects 0.000 description 57
- 238000000151 deposition Methods 0.000 description 35
- 230000008021 deposition Effects 0.000 description 34
- 229910004298 SiO 2 Inorganic materials 0.000 description 18
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 239000003446 ligand Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000006911 nucleation Effects 0.000 description 9
- 238000010899 nucleation Methods 0.000 description 9
- 230000008016 vaporization Effects 0.000 description 9
- 239000011800 void material Substances 0.000 description 9
- 239000012298 atmosphere Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 238000009834 vaporization Methods 0.000 description 8
- 239000012159 carrier gas Substances 0.000 description 7
- 239000012528 membrane Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 5
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910000856 hastalloy Inorganic materials 0.000 description 4
- 229910001026 inconel Inorganic materials 0.000 description 4
- -1 isopropanol Chemical compound 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 2
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- SKKMWRVAJNPLFY-UHFFFAOYSA-N azanylidynevanadium Chemical compound [V]#N SKKMWRVAJNPLFY-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical compound [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000010169 landfilling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 125000001424 substituent group Chemical class 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 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 description 1
- FJRLEUFNURLIQR-UHFFFAOYSA-N 6,6-dimethylhept-1-ene-3,5-dione Chemical compound CC(C)(C)C(=O)CC(=O)C=C FJRLEUFNURLIQR-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910017083 AlN Inorganic materials 0.000 description 1
- GITXHQYWRGDDCH-UHFFFAOYSA-N C(C)[Ti](N)C Chemical compound C(C)[Ti](N)C GITXHQYWRGDDCH-UHFFFAOYSA-N 0.000 description 1
- PSSWJIUFYFQZEJ-UHFFFAOYSA-N C1(C=CC=C1)[V+]C1C=CC=C1 Chemical compound C1(C=CC=C1)[V+]C1C=CC=C1 PSSWJIUFYFQZEJ-UHFFFAOYSA-N 0.000 description 1
- PWVDYRRUAODGNC-UHFFFAOYSA-N CCN([Ti])CC Chemical compound CCN([Ti])CC PWVDYRRUAODGNC-UHFFFAOYSA-N 0.000 description 1
- ZLOKVAIRQVQRGC-UHFFFAOYSA-N CN(C)[Ti] Chemical compound CN(C)[Ti] ZLOKVAIRQVQRGC-UHFFFAOYSA-N 0.000 description 1
- 244000132059 Carica parviflora Species 0.000 description 1
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 1
- 239000005750 Copper hydroxide Substances 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 101100023111 Schizosaccharomyces pombe (strain 972 / ATCC 24843) mfc1 gene Proteins 0.000 description 1
- 229910004541 SiN Inorganic materials 0.000 description 1
- 229910020177 SiOF Inorganic materials 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 101100107923 Vitis labrusca AMAT gene Proteins 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910001956 copper hydroxide Inorganic materials 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- NLXLPOBMBOZAIG-UHFFFAOYSA-N copper(1+);ethenyl(trimethyl)silane Chemical compound [Cu+].C[Si](C)(C)C=C NLXLPOBMBOZAIG-UHFFFAOYSA-N 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- VCIKJQZFNVXWPF-ATMONBRVSA-L copper;(z)-2,2,6,6-tetramethyl-5-oxohept-3-en-3-olate Chemical compound [Cu+2].CC(C)(C)C(\[O-])=C\C(=O)C(C)(C)C.CC(C)(C)C(\[O-])=C\C(=O)C(C)(C)C VCIKJQZFNVXWPF-ATMONBRVSA-L 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- PALZAXLZULBBHA-UHFFFAOYSA-N dimethylazanide;vanadium(4+) Chemical compound [V+4].C[N-]C.C[N-]C.C[N-]C.C[N-]C PALZAXLZULBBHA-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- NPURPEXKKDAKIH-UHFFFAOYSA-N iodoimino(oxo)methane Chemical compound IN=C=O NPURPEXKKDAKIH-UHFFFAOYSA-N 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
Classifications
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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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
-
- 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
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28556—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by chemical means, e.g. CVD, LPCVD, PECVD, laser CVD
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/92—Ketonic chelates
-
- 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
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0272—Deposition of sub-layers, e.g. to promote the adhesion of the main coating
-
- 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
- C23C16/04—Coating on selected surface areas, e.g. using masks
- C23C16/045—Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous substrates
-
- 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
- C23C16/06—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 metallic material
- C23C16/18—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 metallic material from metallo-organic compounds
-
- 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
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Abstract
Description
Claims (11)
- 홀이나 홈이 형성된 성막 (成膜) 대상물 상에, 4 가의 아미드계 바나듐 유기 금속 원료 가스 또는 4 가의 유기 아미드계 티탄 유기 금속 원료 가스와 환원성 가스를 이용하여, CVD 법에 의해 바나듐 또는 티탄 함유막으로 이루어지는 하지층 (下地層) 을 형성하고, 하지층 상에 CVD 법에 의해 구리 함유막을 형성하고, 상기 홀이나 홈을 매립하고,상기 구리 함유막을, 다음의 일반식 (I-c)' 로 표시되는 β-디케토네이트기 (식 중, Z 는, H 원자 또는 탄소 원자수 1∼4 의 알킬기를 나타내고, X 및 Y 가, 각각, CnH2n-CH=CH-CmH2m+1 (n=0∼6, m=0∼6, n+m≤6 이다) 로 표시되는 기나, 또는 이 기의 수소 원자를 최대로 9 개까지 불소 원자로 치환한 것을 나타내고, 이 X 및 Y 는 양자 모두 동일해도 되고 상이해도 된다) 를 배위자로 하는 다음의 일반식 (I-c) (식 중, X, Y, Z 는 상기 정의와 같다):[화학식 4]로 표시되는 구리 착물의 가스를 이용하여, CVD 법에 의해 성막 대상물 상에 형성하는 것을 특징으로 하는 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 4 가의 아미드계 바나듐 유기 금속 원료가, 테트라키스디에틸아미노바나듐, 테트라키스디메틸아미노바나듐 또는 테트라키스에틸메틸아미노바나듐이고, 또, 상기 4 가의 아미드계 티탄 유기 금속 원료가 테트라키스디에틸아미노티탄, 테트라키스디메틸아미노티탄 또는 테트라키스에틸메틸아미노티탄인 것을 특징으로 하는 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 환원성 가스가, 괴리되어 H* 라디칼이나, H+ 이온을 방출할 수 있는 가스인 것을 특징으로 하는 구리 배선 형성 방법.
- 제 3 항에 있어서,상기 환원성 가스가, 히드라진 유도체, NH3, H2, SiH4 및 Si2H6 에서 선택된 가스인 것을 특징으로 하는 구리 배선 형성 방법.
- 제 4 항에 있어서,상기 히드라진 유도체가, 히드라진의 수소 원자의 하나 또는 두 개를 메틸기, 에틸기, 직쇄 또는 가지형의 부틸기로 치환한 것인, 구리 배선 형성 방법.
- 제 4 항에 있어서,상기 히드라진 유도체가, 터셔리부틸히드라진인 것을 특징으로 하는 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 4 가의 아미드계 바나듐 유기 금속 원료 가스 또는 상기 4 가의 아미드계 티탄 유기 금속 원료 가스와 환원성 가스와의 반응을, 성막 속도가 기판 온도에 의존하는 온도 영역에서 실시하고, 바나듐 함유막 또는 티탄 함유막을 형성하는 것을 특징으로 하는 구리 배선 형성 방법.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,상기 구리 함유막의 형성용 원료의 공급량이, 성막 대상물의 성막 면의 단위 면적당, 이하의 식:8.0×10-1cc/분·㎠(3.6×10-5㏖/분·㎠) ≥ 공급량 ≥ 3.6×10-3cc/분·㎠ (1.6×10-7㏖/분·㎠)을 만족하는 양인 것을 특징으로 하는 구리 배선 형성 방법.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,상기 구리 함유막의 형성용 원료로 구리 함유막을 형성할 때의 성막 온도가, 150℃∼350℃ 인 것을 특징으로 하는 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 구리 함유막을 형성할 때에, 환원성 가스로서 수소 원자 함유 가스를 이용하는 것을 특징으로 하는 구리 배선 형성 방법.
- 제 10 항에 있어서,상기 수소 원자 함유 가스가 H2 가스인 것을 특징으로 하는 구리 배선 형성 방법.
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KR100914982B1 (ko) * | 2008-01-02 | 2009-09-02 | 주식회사 하이닉스반도체 | 반도체 소자의 금속배선 및 그 형성방법 |
KR100924557B1 (ko) * | 2008-01-04 | 2009-11-02 | 주식회사 하이닉스반도체 | 반도체 소자의 금속배선 및 그 형성방법 |
JP5353109B2 (ja) | 2008-08-15 | 2013-11-27 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法 |
KR100973277B1 (ko) | 2008-08-29 | 2010-07-30 | 주식회사 하이닉스반도체 | 반도체 소자의 금속배선 및 그 형성방법 |
CN103135819A (zh) * | 2011-11-29 | 2013-06-05 | 迎辉科技股份有限公司 | 具有抗氧化金属层的导电基板 |
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JPH11217673A (ja) * | 1997-11-28 | 1999-08-10 | Japan Pionics Co Ltd | 窒化膜の製造方法 |
JP2943805B1 (ja) * | 1998-09-17 | 1999-08-30 | 日本電気株式会社 | 半導体装置及びその製造方法 |
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US6916398B2 (en) * | 2001-10-26 | 2005-07-12 | Applied Materials, Inc. | Gas delivery apparatus and method for atomic layer deposition |
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US20100291290A1 (en) | 2010-11-18 |
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WO2006035591A1 (ja) | 2006-04-06 |
TW200620433A (en) | 2006-06-16 |
KR100934887B1 (ko) | 2010-01-06 |
DE112005002353B8 (de) | 2012-12-20 |
CN101032007A (zh) | 2007-09-05 |
US8034403B2 (en) | 2011-10-11 |
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