KR19990029622A - 반도체집적회로장치 및 그 제조방법 - Google Patents
반도체집적회로장치 및 그 제조방법 Download PDFInfo
- Publication number
- KR19990029622A KR19990029622A KR1019980036924A KR19980036924A KR19990029622A KR 19990029622 A KR19990029622 A KR 19990029622A KR 1019980036924 A KR1019980036924 A KR 1019980036924A KR 19980036924 A KR19980036924 A KR 19980036924A KR 19990029622 A KR19990029622 A KR 19990029622A
- Authority
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- South Korea
- Prior art keywords
- insulating film
- film
- wiring
- layer
- integrated circuit
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 294
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 claims abstract description 149
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 77
- 229910052751 metal Inorganic materials 0.000 claims abstract description 75
- 239000002184 metal Substances 0.000 claims abstract description 74
- 239000000758 substrate Substances 0.000 claims abstract description 73
- 238000005498 polishing Methods 0.000 claims abstract description 53
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 95
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 95
- 238000005229 chemical vapour deposition Methods 0.000 claims description 49
- 239000012530 fluid Substances 0.000 claims description 33
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 28
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 28
- 238000009792 diffusion process Methods 0.000 claims description 27
- 238000004544 sputter deposition Methods 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000000151 deposition Methods 0.000 claims description 19
- 238000005530 etching Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000005268 plasma chemical vapour deposition Methods 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 238000000137 annealing Methods 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000010408 film Substances 0.000 abstract description 870
- 239000010410 layer Substances 0.000 abstract description 352
- 239000011229 interlayer Substances 0.000 abstract description 154
- 239000010949 copper Substances 0.000 abstract description 64
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 60
- 229910052802 copper Inorganic materials 0.000 abstract description 60
- 230000008021 deposition Effects 0.000 abstract description 8
- 239000010409 thin film Substances 0.000 abstract description 8
- 229910052721 tungsten Inorganic materials 0.000 description 53
- 239000010937 tungsten Substances 0.000 description 53
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 52
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 52
- 239000012535 impurity Substances 0.000 description 28
- 229920002120 photoresistant polymer Polymers 0.000 description 28
- 238000000206 photolithography Methods 0.000 description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 15
- 239000007789 gas Substances 0.000 description 14
- 229910052782 aluminium Inorganic materials 0.000 description 13
- 230000004888 barrier function Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- 238000002955 isolation Methods 0.000 description 9
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 9
- 229910021332 silicide Inorganic materials 0.000 description 9
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 230000009977 dual effect Effects 0.000 description 8
- 229910052715 tantalum Inorganic materials 0.000 description 7
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 238000001020 plasma etching Methods 0.000 description 6
- 229910000077 silane Inorganic materials 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 238000004380 ashing Methods 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 5
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 5
- 229910016006 MoSi Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910008484 TiSi Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000005360 phosphosilicate glass Substances 0.000 description 4
- 229920000548 poly(silane) polymer Polymers 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 239000003870 refractory metal Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- AQRLNPVMDITEJU-UHFFFAOYSA-N triethylsilane Chemical compound CC[SiH](CC)CC AQRLNPVMDITEJU-UHFFFAOYSA-N 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 description 3
- UBHZUDXTHNMNLD-UHFFFAOYSA-N dimethylsilane Chemical compound C[SiH2]C UBHZUDXTHNMNLD-UHFFFAOYSA-N 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- -1 for example Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000000992 sputter etching Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 150000001343 alkyl silanes Chemical class 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- UCXUKTLCVSGCNR-UHFFFAOYSA-N diethylsilane Chemical compound CC[SiH2]CC UCXUKTLCVSGCNR-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- KCWYOFZQRFCIIE-UHFFFAOYSA-N ethylsilane Chemical compound CC[SiH3] KCWYOFZQRFCIIE-UHFFFAOYSA-N 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- UIUXUFNYAYAMOE-UHFFFAOYSA-N methylsilane Chemical group [SiH3]C UIUXUFNYAYAMOE-UHFFFAOYSA-N 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- 229910008051 Si-OH Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910006358 Si—OH Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000012789 electroconductive film Substances 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- JMOHEPRYPIIZQU-UHFFFAOYSA-N oxygen(2-);tantalum(2+) Chemical compound [O-2].[Ta+2] JMOHEPRYPIIZQU-UHFFFAOYSA-N 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 229920001709 polysilazane Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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
- H01L21/70—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
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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
- H01L21/70—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
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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
- H01L21/70—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
- H01L21/76819—Smoothing of the dielectric
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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
- H01L21/70—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
- H01L21/76829—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76832—Multiple layers
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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
- H01L21/70—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
- H01L21/76829—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76834—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers formation of thin insulating films on the sidewalls or on top of conductors
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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
- H01L21/70—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
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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
- H01L21/70—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
- H01L21/7684—Smoothing; Planarisation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02211—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound being a silane, e.g. disilane, methylsilane or chlorosilane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
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Abstract
Description
Claims (33)
- 반도체기판의 주면에 형성된 반도체소자와, 상기 반도체소자의 상부에 형성되고 그 일부에 형성된 요홈부에 연마법을 이용하여 형성된 전도성부재가 채워 넣어진 제 1 절연막과, 상기 제 1 절연막의 상면에 형성되어 그 일부에 형성된 요홈부에 연마법을 이용하여 형성된 전도성부재가 채워 넣어진 제 2 절연막을 갖는 반도체집적회로장치에서,상기 제 2 절연막에는 자기유동성을 가지는 유동성절연막이 포함되는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 1에 있어서,상기 유동성절연막은 상기 제 2 절연막의 표면을 평탄화하도록 구성되는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 2에 있어서,상기 제 2 절연막의 요홈부는 배선홀을 구성하고, 상기 제 2 절연막의 전도성부재는 상기 배선홀에 형성된 배선을 구성하고, 상기 유동성절연막의 상부에 상기 배선홀이 형성되는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 2에 있어서,상기 제 2 절연막의 요홈부는 배선홀과 접속공을 구성하고, 상기 제 2 절연막의 전도성부재는 상기 배선홀에 형성된 배선과 상기 접속공에 형성된 플러그를 구성하고, 상기 유동성절연막은 상기 배선홀 간에 형성되는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 2에 있어서,상기 제 2 절연막의 요홈부는 배선홀과 접속공을 구성하고, 상기 제 2 절연막의 전도성부재는 상기 배선홀에 형성된 배선과 상기 접속공에 형성된 플러그를 구성하고, 상기 유동성절연막은 상기 배설홀 간에 형성되는 제 1 유동성절연막과 상기 배선홀의 하부에 형성되는 제 2 유동성절연막을 가지는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 1에 있어서,상기 제 2 절연막의 요홈부는 상기 제 2 절연막의 표면 근방에 형성된 배선홀과 상기 배선홀의 하부에 형성된 접속공으로 이루어지고, 상기 전도성부재는 상기 배선홀에 형성된 배선부와 상기 접속공에 형성된 접속부가 일체로서 형성되는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 1에 있어서,상기 제 2 절연막은 자기유동성을 갖지 않는 비유동성절연막과 상기 유동성절연막 및 상기 비유동성절연막이 적층된 3층구조를 가지는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 1에 있어서,상기 유동성절연막은 SOG막인 것을 특징으로 하는 반도체집적회로장치.
- 청구항 8에 있어서,상기 SOG막은 무기 SOG막인 것을 특징으로 하는 반도체집적회로장치.
- 청구항 1에 있어서,상기 유동성절연막은 기체상태중에서의 시라놀의 생성과 저온 기판상에서의 상기 시라놀의 반응에 의해 형성되는 실리콘산화막인 것을 특징으로 하는 반도체집적회로장치.
- 청구항 1에 있어서,상기 요홈부, 배선홀 또는 접속공의 폭 W는 그 최대폭 Wmax와 최소폭 Wmin과의 범위내에 있고, Wmax≤4×Wmin 의 조건을 만족하는 것을 특징으로 하는 반도체집적회로장치.
- 반도체기판의 주면에 형성된 반도체소자와, 상기 반도체소자의 상부에 형성되고 그 일부에 형성된 요홈부에 연마법을 이용하여 형성된 전도성부재가 매립된 제 1 절연막과, 상기 제 1 절연막의 상면에 형성되고 그 일부에 형성된 요홈부에 연마법을 이용하여 형성된 전도성부재가 매립된 제 2 절연막을 갖는 반도체집적회로장치의 제조방법에서,상기 제 2 절연막을 자기유동성을 가지는 유동성절연막과 연마법에 의해 평탄화된 절연막으로 형성하는 공정을 포함하는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 12에 있어서,상기 요홈부 또는 배선홀에 형성된 배선의 상면에는 상기 배선을 구성하는 금속원소의 확산을 방지하는 확산방지막이 형성되어 있는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 13에 있어서,상기 확산방지막은 플라스마 CVD법에 의해 형성된 실리콘산화막인 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- (a) 반도체기판상에 형성된 제 1 절연막에 요홈부를 형성하는 공정과,(b) 상기 요홈부의 내부를 포함하는 상기 제 1 절연막의 표면에 상기 요홈부를 매립한 제 1 전도성막을 형성하는 공정과,(c) 상기 제 1 전도성막을 연마하고 상기 제 1 절연막의 요홈부 내에 상기 제 1 전도성막을 남김으로써 상기 제 1 전도성부재를 형성하는 공정과,(d) 상기 제 1 전도성부재의 상부에 자기유동성을 가지는 유동성절연막을 포함하는 제 2 절연막을 형성하는 공정과,(e) 상기 제 2 절연막에 요홈부를 형성하는 공정과,(f) 상기 제 2 절연막의 요홈부를 매립한 제 2 전도성부재를 형성하는 공정과, 그리고(g)상기 제 2 전도성막을 연마하고 상기 제 2 절연막의 요홈부에 제 2 전도성부재를 형성하는 공정을 포함하는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 15에 있어서,상기 유동성절연막은 상기 반도체기판에 SOG막을 도포하고, 열처리하는 것으로 형성되는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 15에 있어서,상기 유동성절연막은 상기 반도체기판을 감압분위기 하의 반응실에 100℃이하의 저온에서 보지하고, 상기 반응실 내에 SiHxM4-x(단 M은 탄소수 1 ~ 3의 알킬기, 1≤x≤4) 및 H2O2를 도입하여 시라놀을 생성하고, 상기 시라놀이 퇴적한 상기 반도체기판을 열처리하는 것으로 형성되는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 15에 있어서,상기 제 1 전도성부재가 형성되는 상기 요홈부의 폭(W)는 , 그 최대폭 (Wmax)가 그 최소폭(Wmin)의 4배이내(Wmin≤W≤4×Wmin)가 되도록 형성되는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 18에 있어서,상기(b)공정에서 상기 제 1 절연막의 요홈부에 매립된 상기 전도성막은 상기 최소폭(Wmin)의 상기 요홈부에서의 그 표고(H1)과, 상기 최대폭(Wmax)의 상기 요홈부에서의 그 표고(H2)와 거의 동일하고 (H1≒H2), 또한 상기 표고(H1) 및 (H2)는 상기 제 1 절연막의 표면의 표고(L1)보다도 높은 (H1≒H2>L1)것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 18에 있어서,상기(c)공정에서 연마된 상기 제 1 전도성부재는 상기 최소폭(Wmin)의 상기 요홈부에서의 상기 제 1 전도성부재 표면의 디싱량(K1)과 상기 최대폭(Wmax)의 상기 요홈부에서의 상기 제 1 전도성부재 표면의 디싱량(K2)와 거의 동일한 (K1≒K2)것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 15에 있어서,상기 유동성절연막의 형성전에 CVD법을 이용한 실리콘산화막을 퇴적하고, 그 후 상기 유동성절연막을 형성하고, 게다가 CVD법에 의해 실리콘질화막을 퇴적함으로써 상기 제 2 절연막을 형성하는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 15에 있어서,상기 제 1 전도성부재의 형성 후, 상기 제 1 전도성부재의 표면을 덮는 확산방지막을 형성하는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 22에 있어서,상기 확산방지막으로서 실리콘질화막을 퇴적하는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 반도체기판상에 형성된 요홈부를 가지는 제 1 절연막과,상기 제 1 절연막의 요홈부에 연마법을 이용하여 형성된 전도성부재가 매립된 제 1 전도성막과,상기 제 1 전도성막 및 제 1 절연막의 상부에 형성되고 요홈부를 가지는 제 2 절연막과,그리고, 상기 제 2 절연막의 요홈부에 연마법을 이용하여 형성된 전도성부재가 매립된 제 2 전도성막으로 이루어지고, 상기 제 2 절연막은 자기유동성을 가지는 유동성절연막을 포함하는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 24에 있어서,상기 반도체기판 상에 형성된 제 3 절연막 상에 상기 제 1 절연막이 형성되고, 상기 제 3 절연막의 표면은 평탄화되어 있는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 15에 있어서,상기 반도체기판 상에 형성된 제 3 절연막 상에 상기 제 1 절연막이 형성되도, 상기 제 3 절연막의 표면은 평탄화되어 있는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 12에 있어서,상기 반도체기판상에 형성된 제 3 절연막 상에 상기 제 1 절연막이 형성되도, 상기 제 3 절연막의 표면은 평탄화되어 있는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 1에 있어서,상기 반도체기판 상에 형성된 제 3 절연막 상에 상기 제 1 절연막이 형성되고, 상기 제 3 절연막의 표면은 평탄화되어 있는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 22에 있어서,상기 확산방지막 상에 상기 제 2 절연막이 형성되고, 상기 확산방지막은 상기 제 2 절연막을 엣칭할 때 엣칭스토퍼층으로서 작용하는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 15에 있어서,상기 제 2 전도성막을 형성하기 전에 상기 제 1 전도성부재가 수소분위기 중에서 어닐(anneal)되는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 청구항 24에 있어서,상기 제 1 전도성부재 형성 후, 상기 제 1 전도성부재를 덮는 확산방지막을 형성하고,상기 확산방지막 상에 상기 제 2 절연막이 형성되고,상기 확산방지막은 상기 제 2 절연막을 엣칭할 때 엣칭스토퍼층으로서 작용하는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 24에 있어서,상기 제 2 전도성막을 형성하기 전에 상기 제 1 전도성부재에 수소분위기 중으로 어닐하는 것을 특징으로 하는 반도체집적회로장치.
- 청구항 1에 있어서,상기 제 1 전도성부재를 덮는 확산방지막이 형성되고,상기 확산방지막 상에 상기 제 2 절연막이 형성되고,상기 확산방지막은 상기 제 2 절연막을 엣칭할 때 엣칭스토퍼층으로서 작용하는 것을 특징으로 하는 반도체집적회로장치.
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- 1998-03-27 JP JP08141598A patent/JP3660799B2/ja not_active Expired - Fee Related
- 1998-06-25 TW TW87110273A patent/TW424294B/zh not_active IP Right Cessation
- 1998-07-28 US US09/123,319 patent/US6184143B1/en not_active Expired - Lifetime
- 1998-09-08 KR KR1019980036924A patent/KR100564188B1/ko active IP Right Grant
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2000
- 2000-09-26 US US09/669,672 patent/US6403459B1/en not_active Expired - Lifetime
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US6900513B2 (en) | 2001-01-22 | 2005-05-31 | Nec Electronics Corporation | Semiconductor memory device and manufacturing method thereof |
US7214572B2 (en) | 2001-01-22 | 2007-05-08 | Nec Electronics Corporation | Semiconductor memory device and manufacturing method thereof |
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Also Published As
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JPH11145288A (ja) | 1999-05-28 |
US6730590B2 (en) | 2004-05-04 |
TW424294B (en) | 2001-03-01 |
US20030003733A1 (en) | 2003-01-02 |
JP3660799B2 (ja) | 2005-06-15 |
KR100564188B1 (ko) | 2006-09-12 |
US6184143B1 (en) | 2001-02-06 |
US6403459B1 (en) | 2002-06-11 |
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