JP2012532993A - 銅含有膜の堆積のためのビス−ケトイミナート銅前駆体 - Google Patents
銅含有膜の堆積のためのビス−ケトイミナート銅前駆体 Download PDFInfo
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- JP2012532993A JP2012532993A JP2012519751A JP2012519751A JP2012532993A JP 2012532993 A JP2012532993 A JP 2012532993A JP 2012519751 A JP2012519751 A JP 2012519751A JP 2012519751 A JP2012519751 A JP 2012519751A JP 2012532993 A JP2012532993 A JP 2012532993A
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- copper
- bis
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- onato
- pent
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- 239000010949 copper Substances 0.000 title claims abstract description 81
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 57
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 239000012691 Cu precursor Substances 0.000 title claims abstract description 40
- 230000008021 deposition Effects 0.000 title abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 64
- 239000010408 film Substances 0.000 claims description 56
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 54
- 239000002243 precursor Substances 0.000 claims description 50
- 239000000376 reactant Substances 0.000 claims description 45
- 239000000758 substrate Substances 0.000 claims description 38
- 229910052739 hydrogen Inorganic materials 0.000 claims description 22
- 125000000031 ethylamino group Chemical group [H]C([H])([H])C([H])([H])N([H])[*] 0.000 claims description 21
- 239000002904 solvent Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- -1 isopropylamino Chemical group 0.000 claims description 9
- 125000006527 (C1-C5) alkyl group Chemical group 0.000 claims description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 125000003282 alkyl amino group Chemical group 0.000 claims description 7
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 6
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 6
- 239000003446 ligand Substances 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 238000009832 plasma treatment Methods 0.000 claims description 5
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 5
- 125000006316 iso-butyl amino group Chemical group [H]N(*)C([H])([H])C([H])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 4
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 claims description 4
- 125000002004 n-butylamino group Chemical group [H]N(*)C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 125000004888 n-propyl amino group Chemical group [H]N(*)C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 125000006318 tert-butyl amino group Chemical group [H]N(*)C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- 238000000151 deposition Methods 0.000 abstract description 20
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 abstract description 11
- 238000000231 atomic layer deposition Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 description 22
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- 238000010926 purge Methods 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000012159 carrier gas Substances 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000002411 thermogravimetry Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- 125000006165 cyclic alkyl group Chemical group 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000000682 scanning probe acoustic microscopy Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- GIXURSNGLJSYPE-UHFFFAOYSA-L C(C)NC(C(C(=O)[O-])=O)=CC.C(C)NC(C(C(=O)[O-])=O)=CC.[Cu+2] Chemical compound C(C)NC(C(C(=O)[O-])=O)=CC.C(C)NC(C(C(=O)[O-])=O)=CC.[Cu+2] GIXURSNGLJSYPE-UHFFFAOYSA-L 0.000 description 1
- 229910021589 Copper(I) bromide Inorganic materials 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- VMQMZMRVKUZKQL-UHFFFAOYSA-N Cu+ Chemical compound [Cu+] VMQMZMRVKUZKQL-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 150000001343 alkyl silanes Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 1
- ZKXWKVVCCTZOLD-FDGPNNRMSA-N copper;(z)-4-hydroxypent-3-en-2-one Chemical compound [Cu].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O ZKXWKVVCCTZOLD-FDGPNNRMSA-N 0.000 description 1
- ZZBBCSFCMKWYQR-UHFFFAOYSA-N copper;dioxido(oxo)silane Chemical compound [Cu+2].[O-][Si]([O-])=O ZZBBCSFCMKWYQR-UHFFFAOYSA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- DIOQZVSQGTUSAI-NJFSPNSNSA-N decane Chemical compound CCCCCCCCC[14CH3] DIOQZVSQGTUSAI-NJFSPNSNSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 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
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000004658 ketimines Chemical class 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 1
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- DIOQZVSQGTUSAI-UHFFFAOYSA-N n-butylhexane Natural products CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/448—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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- C—CHEMISTRY; METALLURGY
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Abstract
【選択図】 図4
Description
本願は、米国特許法第119条(e)の定めにより、2009年7月10日に提出し、その内容全体が参照によりここに組み込まれている仮出願第61/224,752号の利益を請求する。
銅はアルミニウムに代わって高度論理デバイスのための標準的な配線形成工程(BEOL)メタライゼーション材料になった。アルミニウムに優る銅の論理のための利益は今日文書で十分に立証されている。その低い抵抗率は類似のシート抵抗を達成しながら配線の厚さを約3分の1に減じることを可能にする。
1)MはCuであり;および
2)各R1、R2、R3、およびR4はH、C1−C5アルキル、アルキルアミノ基、およびSi(R')3(ここで、各R'はHおよびC1−C5アルキル基から独立して選択される)からなる群より独立して選択される。
・リアクタを約50℃ないし約600℃の温度に維持する:
・リアクタを約0.5mTorrないし約20Torrの圧力に維持する;
・約50Wないし約500Wの範囲のパワーでプラズマを発生させる;
・共反応剤をプラズマで処理することは、この共反応剤のリアクタへの導入の前に行われる;
・共反応剤はH2、NH3、SiH4、Si2H6、Si3H8、SiH2Me2、SiH2Et2、N(SiH3)3およびこれらの混合物からなる群より選択される;
・銅含有前駆体および共反応剤を逐次的にチャンバに導入する;
・共反応剤を銅含有前駆体の前に導入する;
・前駆体は以下からなる群より選択される:
ビス(4N−(アミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(メチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(エチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(イソプロピルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(n−プロピルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(n−ブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(イソブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(secブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、および
ビス(4N−(tertブチルアミノ)ペンタ−3−エン−2−オナト)銅(II);
・前駆体はビス(4N−(エチルアミノ)ペンタ−3−エン−2−オナト)銅(II)である;および
・銅含有膜を0.1ないし1.0オングストローム/サイクルの範囲にある速度で基板上に形成する。
・溶媒を除去すること;
・アルカン溶媒を添加して溶液をつくること;
・溶液をろ過すること;
・アルカン溶媒を除去してビス−ケトイミナト銅前駆体をつくること;および
・ビス−ケトイミナト銅前駆体を蒸留すること。
以下の説明および特許請求の範囲を通じて、種々の部材および成分を表すのにいくつかの用語を使用している。
半導体、光電池、LCD−TFT、またはフラットパネルタイプデバイスの製造で使用できる方法、装置、および化合物についての非限定的な実施形態をここに開示する。より詳細には、ビス−ケトイミナート銅前駆体およびそれを利用する方法を開示する。
本発明の実施形態をさらに説明するために、以下の非限定的な例を提供する。しかしながら、この例は包括的であることを意図したものではないし、発明の範囲をここで説明するものに限定することを意図したものではない。
ビス(4N−(エチルアミノ)ペンタ−3−エン−2−オナト)銅(II)を使用して、PEALD試験を行った。ビス(4N−(エチルアミノ)ペンタ−3−エン−2−オナト)銅(II)を配送容器中で100℃まで加熱し、40sccmの流量のヘリウムキャリアガスと共にリアクタチャンバに導入した。リアクタの圧力は1.7ないし2.3torrの範囲内にあった。プラズマのパワーを80ないし160Wの範囲内に設定し、リアクタの温度を60ないし100℃の範囲内に設定した。PEALDサイクルは、5秒の前駆体パルスと、続けての5秒のパージと、続けての10秒の水素プラズマパルス(300sccmの水素流)と、5秒のパージとから構成されていた。ルテニウム、窒化タンタル、窒化チタンおよび酸化珪素の基板上に、約0.2ないし約0.8オングストローム/サイクルの範囲にある速度で、純銅膜が堆積した。
ビス(4N−(エチルアミノ)ペンタ−3−エン−2−オナト)銅(II)を使用して、ALD試験を行った。ビス(4N−(エチルアミノ)ペンタ−3−エン−2−オナト)銅(II)を配送容器中で90℃まで加熱し、1sccmの流量の窒素キャリアガスと共にリアクタチャンバに導入した。リアクタの圧力は約1torrであった。ALDサイクルは、5秒の前駆体パルスと、続けての5秒の窒素パージと、続けての5秒の水素パルス(20sccmの水素流)と、5秒の窒素パージとからこの順で構成されていた。リアクタの温度を100℃に設定した。これら条件では、パラジウム、窒化タンタル、珪素および酸化珪素の基板上に膜は堆積しなかった。
以下に、本願出願の当初の特許請求の範囲に記載された発明を付記する。
[1]銅含有膜を基板上に形成する方法であって、以下の工程:a)リアクタおよびその中に配置した少なくとも1枚の基板を用意する工程と;b)前記リアクタに以下の式:
[2]前記リアクタを約50℃ないし約600℃の温度に維持することをさらに含む[1]に記載の方法。
[3]前記リアクタを約0.5mTorrないし約20Torrの圧力に維持することをさらに含む[1]または[2]に記載の方法。
[4]約50Wないし約500Wの範囲のパワーで前記プラズマを発生させることをさらに含む[1]ないし[3]のいずれか1つに記載の方法。
[5]前記共反応剤を前記プラズマで処理する工程を、前記共反応剤を前記リアクタに導入する工程の前に行う[1]ないし[4]のいずれか1つに記載の方法。
[6]前記共反応剤はH 2 、NH 3 、SiH 4 、Si 2 H 6 、Si 3 H 8 、SiH 2 Me 2 、SiH 2 Et 2 、N(SiH 3 ) 3 およびこれらの混合物からなる群より選択される[1]ないし[5]のいずれか1つに記載の方法。
[7]前記銅含有前駆体および前記共反応剤を逐次的にチャンバに導入する[1]ないし[6]のいずれか1つに記載の方法。
[8]前記共反応剤を前記銅含有前駆体の前に導入する[1]ないし[7]のいずれか1項に記載の方法。
[9]前記前駆体は以下からなる群より選択される[1]ないし[8]のいずれか1つに記載の方法:ビス(4N−(アミノ)ペンタ−3−エン−2−オナト)銅(II)、ビス(4N−(メチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、ビス(4N−(エチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、ビス(4N−(イソプロピルアミノ)ペンタ−3−エン−2−オナト)銅(II)、ビス(4N−(n−プロピルアミノ)ペンタ−3−エン−2−オナト)銅(II)、ビス(4N−(n−ブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、ビス(4N−(イソブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、ビス(4N−(secブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、およびビス(4N−(tertブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)。
[10]前記前駆体はビス(4N−(エチルアミノ)ペンタ−3−エン−2−オナト)銅(II)である[1]ないし[9]のいずれか1つに記載の方法。
[11]前記銅含有膜を0.1ないし1.0オングストローム/サイクルの範囲にある速度で前記基板上に形成する[1]ないし[10]のいずれか1つに記載の方法。
[12][1]ないし[11]のいずれか1つに記載の方法の生成物を含む銅含有薄膜でコーティングされた基板。
[13]以下の構造:
[15]前記ビス−ケトイミナト銅前駆体を蒸留することをさらに含む[14]に記載の方法。
Claims (15)
- 銅含有膜を基板上に形成する方法であって、以下の工程:
a)リアクタおよびその中に配置した少なくとも1枚の基板を用意する工程と;
b)前記リアクタに以下の式:
1)MはCuであり;および
2)各R1、R2、R3、およびR4はH、C1−C5アルキル、アルキルアミノ基、およびSi(R')3(ここで、各R'はHおよびC1−C5アルキル基から独立して選択される)からなる群より独立して選択される)
を有する銅含有前駆体を導入する工程と;
c)共反応剤を前記リアクタに導入する工程と;
d)前記共反応剤をプラズマで処理して、プラズマ処理共反応剤をつくる工程と;
e)前記前駆体を前記プラズマ処理共反応剤に反応させて、銅含有膜を前記基板上に形成する工程と
を含む方法。 - 前記リアクタを約50℃ないし約600℃の温度に維持することをさらに含む請求項1に記載の方法。
- 前記リアクタを約0.5mTorrないし約20Torrの圧力に維持することをさらに含む請求項1または2に記載の方法。
- 約50Wないし約500Wの範囲のパワーで前記プラズマを発生させることをさらに含む請求項1ないし3のいずれか1項に記載の方法。
- 前記共反応剤を前記プラズマで処理する工程を、前記共反応剤を前記リアクタに導入する工程の前に行う請求項1ないし4のいずれか1項に記載の方法。
- 前記共反応剤はH2、NH3、SiH4、Si2H6、Si3H8、SiH2Me2、SiH2Et2、N(SiH3)3およびこれらの混合物からなる群より選択される請求項1ないし5のいずれか1項に記載の方法。
- 前記銅含有前駆体および前記共反応剤を逐次的にチャンバに導入する請求項1ないし6のいずれか1項に記載の方法。
- 前記共反応剤を前記銅含有前駆体の前に導入する請求項1ないし7のいずれか1項に記載の方法。
- 前記前駆体は以下からなる群より選択される請求項1ないし8のいずれか1項に記載の方法:
ビス(4N−(アミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(メチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(エチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(イソプロピルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(n−プロピルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(n−ブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(イソブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、
ビス(4N−(secブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)、および
ビス(4N−(tertブチルアミノ)ペンタ−3−エン−2−オナト)銅(II)。 - 前記前駆体はビス(4N−(エチルアミノ)ペンタ−3−エン−2−オナト)銅(II)である請求項1ないし9のいずれか1項に記載の方法。
- 前記銅含有膜を0.1ないし1.0オングストローム/サイクルの範囲にある速度で前記基板上に形成する請求項1ないし10のいずれか1項に記載の方法。
- 請求項1ないし11のいずれか1項に記載の方法の生成物を含む銅含有薄膜でコーティングされた基板。
- 以下の構造:
を有するビス−ケトイミナト銅前駆体を合成する方法であって、
アルコール、テトラヒドロフラン、ジエチルエーテル、およびトルエンからなる群より選択される溶媒中で、銅アルコキシド(Cu(OR5)2)(ここで、R5はメチル、エチルおよびイソプロピルからなる群より選択される)を二等量のケトイミン配位子(R4C(=O)C(R3)=C(NHR1)R2)に反応させることを含む方法。
- 溶媒を除去することと;
アルカン溶媒を添加して溶液をつくることと;
前記溶液をろ過することと;
前記アルカン溶媒を除去してビス−ケトイミナト銅前駆体をつくることと
をさらに含む請求項13に記載の方法。 - 前記ビス−ケトイミナト銅前駆体を蒸留することをさらに含む請求項14に記載の方法。
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- 2010-07-09 JP JP2012519751A patent/JP2012532993A/ja active Pending
- 2010-07-09 EP EP20100751728 patent/EP2451989A2/en not_active Withdrawn
- 2010-07-09 US US13/383,343 patent/US9121093B2/en not_active Expired - Fee Related
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EP4074860B1 (en) * | 2019-12-12 | 2024-09-18 | Adeka Corporation | Method for producing copper-containing layer |
Also Published As
Publication number | Publication date |
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WO2011006035A3 (en) | 2011-03-24 |
KR20120047895A (ko) | 2012-05-14 |
WO2011006035A2 (en) | 2011-01-13 |
US9121093B2 (en) | 2015-09-01 |
EP2451989A2 (en) | 2012-05-16 |
US20120321817A1 (en) | 2012-12-20 |
WO2011006064A1 (en) | 2011-01-13 |
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