KR20070056126A - 구리 배선의 형성 방법 - Google Patents
구리 배선의 형성 방법 Download PDFInfo
- Publication number
- KR20070056126A KR20070056126A KR1020077006967A KR20077006967A KR20070056126A KR 20070056126 A KR20070056126 A KR 20070056126A KR 1020077006967 A KR1020077006967 A KR 1020077006967A KR 20077006967 A KR20077006967 A KR 20077006967A KR 20070056126 A KR20070056126 A KR 20070056126A
- 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 155
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 149
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims description 63
- 239000000758 substrate Substances 0.000 claims abstract description 148
- 239000002994 raw material Substances 0.000 claims abstract description 74
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 46
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 33
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 25
- XKLVLDXNZDIDKQ-UHFFFAOYSA-N butylhydrazine Chemical group CCCCNN XKLVLDXNZDIDKQ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 119
- 230000015572 biosynthetic process Effects 0.000 claims description 85
- 238000006243 chemical reaction Methods 0.000 claims description 52
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 41
- 239000010936 titanium Substances 0.000 claims description 30
- 150000004699 copper complex Chemical class 0.000 claims description 29
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 26
- 125000000217 alkyl group Chemical group 0.000 claims description 20
- 125000004432 carbon atom Chemical group C* 0.000 claims description 19
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 18
- 150000002429 hydrazines Chemical class 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 125000001153 fluoro group Chemical group F* 0.000 claims description 8
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 6
- 150000001408 amides Chemical class 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 5
- 125000002947 alkylene group Chemical group 0.000 claims description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 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
- 239000004065 semiconductor Substances 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 70
- 230000004888 barrier function Effects 0.000 description 57
- 238000000151 deposition Methods 0.000 description 35
- 230000008021 deposition Effects 0.000 description 34
- 230000008569 process Effects 0.000 description 19
- 229910004298 SiO 2 Inorganic materials 0.000 description 18
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 13
- 238000011049 filling Methods 0.000 description 11
- 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
- 230000000694 effects Effects 0.000 description 5
- 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
- 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
- 230000002349 favourable effect Effects 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
- 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
- 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
- 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
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 description 1
- 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
- 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
- LJNKLCWPWAPYME-UHFFFAOYSA-N copper;2,2,6,6-tetramethylheptane-3,5-dione Chemical compound [Cu].CC(C)(C)C(=O)CC(=O)C(C)(C)C.CC(C)(C)C(=O)CC(=O)C(C)(C)C LJNKLCWPWAPYME-UHFFFAOYSA-N 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
- 238000005516 engineering process Methods 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
- 125000002524 organometallic group Chemical group 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
-
- 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 (15)
- 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, 이 위에, CVD 법에 의해 구리 함유막을 형성하고, 그 홀이나 홈을 매립하는 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 항 또는 제 2 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 항 내지 제 6 항 중 어느 한 항에 있어서,상기 4 가의 아미드계 바나듐 또는 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 함유막을, 다음의 일반식 (I)' 로 표시되는 β-디케토네이트기 (식 중, Z 는, H 원자 또는 탄소 원자수 1∼4 의 알킬기를, X 는, 다음의 일반식 (I-I) 로 표시되는 기 (식 중, Ra 는, 탄소 원자수 1∼5 의 직쇄 또는 가지형의 알킬렌기를, Rb, Rc, Rd 는, 각각 독립적으로 탄소 원자수 1∼5 의 직쇄 또는 가지형의 알킬기를 나타낸다) 를, Y 는, 그 일반식 (I-I) 로 표시되는 기 (식 중, Ra 는, 탄소 원자수 1∼5 의 직쇄 또는 가지형의 알킬렌기를, Rb, Rc, Rd 는, 각각 독립적으로 탄소 원자수 1∼5 의 직쇄 또는 가지형의 알킬기를 나타낸다) 나, 또는 탄소수 1∼8 의 직쇄 또는 가지형의 알킬기를 나타낸다) 를 배위자로 하는 다음의 일반식 (I) (식 중, X, Y, Z 는 상기 정의와 같다):[화학식 1]로 표시되는 구리 착물의 가스를 이용하여, CVD 법에 의해 성막 대상물 상에 형성하는 것을 특징으로 하는 구리 배선 형성 방법.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,상기 구리 함유막을, 다음의 일반식 (I-a)' 로 표시되는 β-디케토네이트기 (식 중, Z 는, H 원자 또는 탄소 원자수 1∼4 의 알킬기를 나타내고, X 및 Y 가, 각각, 탄소 원자수 1∼8 의 직쇄 또는 가지형의 알킬기나, 또는 이 C1∼ 8 알킬기의 수소 원자를 최대로 9 개까지 불소원자로 치환한 것을 나타내고, 이 X 및 Y 는 양자 모두 동일해도 되고 상이해도 된다) 를 배위자로 하는 다음의 일반식 (I-a) (식 중, X, Y, Z 는 상기 정의와 같다):[화학식 2]로 표시되는 구리 착물의 가스를 이용하여, CVD 법에 의해 성막 대상물 상에 형성하는 것을 특징으로 하는 구리 배선 형성 방법.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,상기 구리 함유막을, 다음의 일반식 (I-b)' 로 표시되는 β-디케토네이트기 (식 중, Z 는, H 원자 또는 탄소 원자수 1∼4 의 알킬기를 나타내고, X 및 Y 가, 각각, 식: CnH2n-O-CmH2m +1 (식 중, n=1∼8, m=0∼7, n+m≤8 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-b) (식 중, X, Y, Z 는 상기 정의와 같다):[화학식 3]로 표시되는 구리 착물의 가스를 이용하여, CVD 법에 의해 성막 대상물 상에 형성하는 것을 특징으로 하는 구리 배선 형성 방법.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,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 항 내지 제 11 항 중 어느 한 항에 있어서,제 1 항에 기재된 구리 함유막의 형성용 원료의 공급량, 제 8 항 내지 제 11 항에 기재된 일반식 (I), (I-a), (I-b), (I-c) 로 표시되는 구리 착물의 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 12 항 중 어느 한 항에 있어서,제 1 항에 기재된 구리 함유막의 형성용 원료, 제 8 항 내지 제 11 항에 기재된 일반식 (I), (I-a), (I-b), (I-c) 로 표시되는 구리 착물을 이용하여, CVD 법에 의해 구리 함유막을 형성할 때의 성막 온도가, 150℃∼350℃ 인 것을 특징으로 하는 구리 배선 형성 방법.
- 제 1 항 내지 제 13 항 중 어느 한 항에 있어서,상기 구리 함유막을 형성할 때에, 환원성 가스로서 수소 원자 함유 가스를 이용하는 것을 특징으로 하는 구리 배선 형성 방법.
- 제 14 항에 있어서,상기 수소 원자 함유 가스가 H2 가스인 것을 특징으로 하는 구리 배선 형성 방법.
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JP4120925B2 (ja) * | 2002-01-31 | 2008-07-16 | 宇部興産株式会社 | 銅錯体およびこれを用いた銅含有薄膜の製造方法 |
JP2003252823A (ja) * | 2002-02-28 | 2003-09-10 | Mitsubishi Materials Corp | 有機金属化学蒸着法用有機銅化合物及びそれを用いて作製した銅薄膜 |
KR101184529B1 (ko) * | 2004-11-08 | 2012-09-20 | 텔 에피온 인크 | 캡핑 구조의 형성 방법, 구리 인터커넥트, 레벨간 유전체층, 및 하드마스크층 |
KR101649714B1 (ko) * | 2008-03-21 | 2016-08-30 | 프레지던트 앤드 펠로우즈 오브 하바드 칼리지 | 상호접속부를 위한 자기정렬 배리어 층 |
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- 2005-09-12 CN CNB2005800325695A patent/CN100479114C/zh not_active Expired - Fee Related
- 2005-09-12 KR KR1020087025866A patent/KR100934888B1/ko active IP Right Grant
- 2005-09-12 DE DE112005002353T patent/DE112005002353B8/de active Active
- 2005-09-12 WO PCT/JP2005/016712 patent/WO2006035591A1/ja active Application Filing
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100924557B1 (ko) * | 2008-01-04 | 2009-11-02 | 주식회사 하이닉스반도체 | 반도체 소자의 금속배선 및 그 형성방법 |
KR100973277B1 (ko) * | 2008-08-29 | 2010-07-30 | 주식회사 하이닉스반도체 | 반도체 소자의 금속배선 및 그 형성방법 |
US7875978B2 (en) | 2008-08-29 | 2011-01-25 | Hynix Semiconductor Inc. | Metal line having a multi-layered diffusion layer in a semiconductor device and method for forming the same |
Also Published As
Publication number | Publication date |
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KR100934887B1 (ko) | 2010-01-06 |
US8034403B2 (en) | 2011-10-11 |
CN101032007A (zh) | 2007-09-05 |
DE112005002353B8 (de) | 2012-12-20 |
TWI371787B (ko) | 2012-09-01 |
WO2006035591A1 (ja) | 2006-04-06 |
DE112005002353T5 (de) | 2007-09-06 |
CN100479114C (zh) | 2009-04-15 |
TW200620433A (en) | 2006-06-16 |
DE112005002353B4 (de) | 2012-06-14 |
JP4783561B2 (ja) | 2011-09-28 |
KR20080100394A (ko) | 2008-11-17 |
US20100291290A1 (en) | 2010-11-18 |
KR100934888B1 (ko) | 2010-01-06 |
JP2006093552A (ja) | 2006-04-06 |
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