KR20070004046A - 반도체 장치 제조 방법 - Google Patents
반도체 장치 제조 방법 Download PDFInfo
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- KR20070004046A KR20070004046A KR1020067021743A KR20067021743A KR20070004046A KR 20070004046 A KR20070004046 A KR 20070004046A KR 1020067021743 A KR1020067021743 A KR 1020067021743A KR 20067021743 A KR20067021743 A KR 20067021743A KR 20070004046 A KR20070004046 A KR 20070004046A
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- Prior art keywords
- layer
- metal
- dielectric layer
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 178
- 239000002184 metal Substances 0.000 title claims abstract description 178
- 238000000034 method Methods 0.000 title claims abstract description 85
- 239000004065 semiconductor Substances 0.000 title claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 59
- 239000011521 glass Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 9
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 7
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 7
- 229910052735 hafnium Inorganic materials 0.000 claims description 7
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 7
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052763 palladium Inorganic materials 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 229910052707 ruthenium Inorganic materials 0.000 claims description 7
- 229910052726 zirconium Inorganic materials 0.000 claims description 7
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 6
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 5
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 5
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- XWCMFHPRATWWFO-UHFFFAOYSA-N [O-2].[Ta+5].[Sc+3].[O-2].[O-2].[O-2] Chemical compound [O-2].[Ta+5].[Sc+3].[O-2].[O-2].[O-2] XWCMFHPRATWWFO-UHFFFAOYSA-N 0.000 claims description 3
- ILCYGSITMBHYNK-UHFFFAOYSA-N [Si]=O.[Hf] Chemical compound [Si]=O.[Hf] ILCYGSITMBHYNK-UHFFFAOYSA-N 0.000 claims description 3
- VKJLWXGJGDEGSO-UHFFFAOYSA-N barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Ba+2] VKJLWXGJGDEGSO-UHFFFAOYSA-N 0.000 claims description 3
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 claims description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 3
- 150000001247 metal acetylides Chemical class 0.000 claims description 3
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 3
- CZXRMHUWVGPWRM-UHFFFAOYSA-N strontium;barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Sr+2].[Ba+2] CZXRMHUWVGPWRM-UHFFFAOYSA-N 0.000 claims description 3
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims 6
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 claims 2
- 239000010410 layer Substances 0.000 description 247
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 24
- 229920005591 polysilicon Polymers 0.000 description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 14
- 239000000243 solution Substances 0.000 description 11
- 238000005530 etching Methods 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 125000006850 spacer group Chemical group 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 239000000908 ammonium hydroxide Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 230000000873 masking effect Effects 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 238000000277 atomic layer chemical vapour deposition Methods 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910026551 ZrC Inorganic materials 0.000 description 1
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- CAVCGVPGBKGDTG-UHFFFAOYSA-N alumanylidynemethyl(alumanylidynemethylalumanylidenemethylidene)alumane Chemical compound [Al]#C[Al]=C=[Al]C#[Al] CAVCGVPGBKGDTG-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- WHJFNYXPKGDKBB-UHFFFAOYSA-N hafnium;methane Chemical compound C.[Hf] WHJFNYXPKGDKBB-UHFFFAOYSA-N 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 239000012702 metal oxide precursor Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- XRFHCHCLSRSSPQ-UHFFFAOYSA-N strontium;oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[O-2].[Ti+4].[Sr+2] XRFHCHCLSRSSPQ-UHFFFAOYSA-N 0.000 description 1
- 229910003468 tantalcarbide Inorganic materials 0.000 description 1
- 150000003498 tellurium compounds Chemical class 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
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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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823437—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/82345—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes gate conductors with different gate conductor materials or different gate conductor implants, e.g. dual gate structures
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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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823828—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/823842—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes gate conductors with different gate conductor materials or different gate conductor implants, e.g. dual gate structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66545—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using a dummy, i.e. replacement gate in a process wherein at least a part of the final gate is self aligned to the dummy gate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28229—Making the insulator by deposition of a layer, e.g. metal, metal compound or poysilicon, followed by transformation thereof into an insulating layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/517—Insulating materials associated therewith the insulating material comprising a metallic compound, e.g. metal oxide, metal silicate
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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Abstract
Description
Claims (20)
- 반도체 장치를 제조하는 방법에 있어서,기판 상에 제 1 유전체 층을 형성하는 단계와,상기 제 1 유전체 층 내에 트렌치를 형성하는 단계와,상기 기판 상에 제 2 유전체 층을 형성하는 단계로서, 상기 제 2 유전체 층은 상기 트렌치의 바닥부에 형성된 제 1 부분과, 제 2 부분을 구비하는 단계와,상기 제 2 유전체 층의 상기 제 1 부분 상에 제 1 금속 층을 형성하는 단계로서, 상기 제 1 금속 층은 상기 제 2 유전체 층의 상기 제 1 부분을 커버하나 상기 제 2 유전체 층의 상기 제 2 부분을 커버하지 않는 단계와,상기 제 1 금속 층 상과, 상기 제 2 유전체 층의 상기 제 2 부분 상에 제 2 금속 층을 형성하는 단계로서, 상기 제 2 금속 층은 상기 제 1 금속 층을 커버하고 상기 제 2 유전체 층의 상기 제 2 부분을 커버하는 단계를 포함하는반도체 장치 제조 방법.
- 제 1 항에 있어서,상기 제 2 유전체 층은 하이-k 게이트 유전체 층을 포함하는 반도체 장치 제조 방법.
- 제 2 항에 있어서,상기 하이-k 게이트 유전체 층은 하프늄 산화물, 하프늄 실리콘 산화물, 란탄 산화물, 지르코늄 산화물, 지르코늄 실리콘 산화물, 탄탈 산화물, 티타늄 산화물, 바륨 스트론튬 티타늄 산화물, 바륨 티타늄 산화물, 스트론튬 티타늄 산화물, 리튬 산화물, 알루미늄 산화물, 납 스칸듐 탄탈 산화물 및 납 아연 니오브산염으로 구성된 그룹으로 선택되는 물질을 포함하는 반도체 장치 제조 방법.
- 제 1 항에 있어서,상기 제 1 금속 층은 하프늄, 지르코늄, 티타늄, 탄탈, 알루미늄 및 금속 탄화물로 구성된 그룹으로부터 선택되는 물질을 포함하고, 상기 제 2 금속 층은 루테늄, 팔라듐, 플래티늄, 코발트, 니켈 및 도전성 금속 산화물로 구성된 그룹으로부터 선택되는 물질을 포함하는 반도체 장치 제조 방법.
- 제 1 항에 있어서,상기 제 1 금속 층은 루테늄, 팔라듐, 플래티늄, 코발트, 니켈 및 도전선 금속 산화물로 구성된 그룹으로부터 선택되는 물질을 포함하고, 상기 제 2 금속 층은 하프늄, 지르코늄, 티타늄, 탄탈, 알루미늄 및 금속 탄화물로 구성된 그룹으로부터 선택되는 물질을 포함하는 반도체 장치 제조 방법.
- 제 1 항에 있어서,상기 제 1 및 제 2 금속 층은 각각 약 25 내지 약 300 옹스트롬의 두께를 가지며, 상기 제 1 금속 층은 약 3.9eV 내지 약 4.2eV의 일함수를 가지고, 상기 제 2 금속 층은 약 4.9eV 내지 약 5.2eV의 일함수를 갖는반도체 장치 제조 방법.
- 제 1 항에 있어서,상기 제 1 및 제 2 금속 층은 각각 약 25 내지 약 300 옹스트롬의 두께를 가지며, 상기 제 1 금속 층은 약 4.9eV 내지 약 5.2eV의 일함수를 가지고, 상기 제 2 금속 층은 약 3.9eV 내지 약 4.2eV의 일함수를 갖는반도체 장치 제조 방법.
- 제 1 항에 있어서,상기 트렌치 내 및 상기 제 2 금속 층 상에 충진 금속을 형성하는 단계를 더 포함하는 반도체 장치 제조 방법.
- 제 1 항에 있어서,상기 제 1 금속 층을 형성하기 전에 상기 제 2 유전체 층 상에 기저층 금속(underlayer metal)을 형성하는 단계를 더 포함하는 반도체 장치 제조 방법.
- 제 1 항에 있어서,상기 제 2 유전체 층의 상기 제 1 부분 및 제 2 부분 상에 금속 층을 형성하고, 그런 다음 상기 유전체 층의 상기 제 2 부분으로부터 상기 금속 층을 제거함으로써, 상기 제 2 유전체 층의 상기 제 1 부분 상에 상기 제 1 금속 층을 형성하는 단계를 더 포함하는 반도체 장치 제조 방법.
- 제 10 항에 있어서,상기 제 2 유전체 층의 상기 제 1 및 제 2 부분 상에 금속 층을 형성하는 단계와,상기 금속 층 상에 스핀 온 글래스 층(spin on glass layer)을 형성하되, 상기 스핀 온 글래스 층의 제 1 부분은 상기 제 2 유전체 층의 상기 제 1 부분을 커버하고, 상기 스핀 온 글래스 층의 제 2 부분은 상기 제 2 유전체 층의 상기 제 2 부분을 커버하는 단계와,상기 스핀 온 글래스 층의 상기 제 1 부분을 유지하면서 상기 스핀 온 글래스 층의 상기 제 2 부분을 제거하여, 상기 금속 층의 일부분을 노출시키는 단계와,상기 금속 층의 상기 노출된 부분을 제거하여 상기 제 2 유전체 층의 상기 제 1 부분을 커버하나 상기 제 2 유전체 층의 상기 제 2 부분을 커버하지 않는 제 1 금속 층을 생성하는 단계와,상기 스핀 온 글래스 층의 상기 제 1 부분을 제거하는 단계에 의해, 상기 제 1 금속 층이 상기 제 2 유전체 층의 상기 제 1 부분 상에 형성되는 반도체 장치 제조 방법.
- 반도체 장치 제조 방법에 있어서,기판 상에 제 1 유전체 층을 형성하는 단계와,상기 제 1 유전체 층 내에 트렌치를 형성하는 단계와,상기 기판 상에 하이-k 게이트 유전체 층을 형성하는 단계로서, 상기 하이-k 게이트 유전체 층은 상기 트렌치의 바닥부에 형성된 제 1 부분과, 제 2 부분을 갖는 단계와,상기 하이-k 게이트 유전체 층의 상기 제 1 및 제 2 부분 상에 금속 층을 형성하는 단계와,상기 금속 층 상에 스핀 온 글래스 층을 형성하는 단계로서, 상기 스핀 온 글래스 층의 제 1 부분은 상기 하이-k 게이트 유전체 층의 상기 제 1 부분을 커버 하고, 상기 스핀 온 글래스 층의 제 2 부분은 상기 하이-k 게이트 유전체 층의 제 2 부분을 커버하는 단계와,상기 스핀 온 글래스 층의 상기 제 1 부분을 유지하면서 상기 스핀 온 글래스 층의 상기 제 2 부분을 제거하여, 상기 금속 층의 일부분을 노출시키는 단계와,상기 금속 층의 상기 노출된 부분을 제거하여 상기 하이-k 게이트 유전체 층의 상기 제 1 부분을 커버하나 상기 하이-k 게이트 유전체 층의 상기 제 2 부분을 커버하지 않는 제 1 금속 층을 생성하는 단계와,상기 스핀 온 글래스 층의 상기 제 1 부분을 제거하는 단계와,상기 제 1 금속 층 상에 또한 상기 하이-k 게이트 유전체 층의 상기 제 2 부분 상에 제 2 금속 층을 형성하되, 상기 제 2 금속 층은 상기 제 1 금속 층을 커버하고 상기 하이-k 게이트 유전체 층의 제 2 부분을 커버하는 단계를 포함하는 반도체 장치 제조 방법.
- 제 12 항에 있어서,상기 하이-k 게이트 유전체 층은 하프늄 산화물, 하프늄 실리콘 산화물, 란탄 산화물, 지르코늄 산화물, 지르코늄 실리콘 산화물, 탄탈 산화물, 티타늄 산화물, 바륨 스트론튬 티타늄 산화물, 바륨 티타늄 산화물, 스트론튬 티타늄 산화물, 리튬 산화물, 알루미늄 산화물, 납 스칸듐 탄탈 산화물 및 납 아연 니오브산염으로 구성된 그룹으로 선택되는 물질을 포함하는 반도체 장치 제조 방법.
- 제 12 항에 있어서,상기 제 1 및 제 2 금속 층은 각각 약 25 내지 약 300 옹스트롬의 두께를 가지고, 상기 제 1 금속 층은 약 3.9eV 내지 약 4.2eV의 일함수를 가지며 하프늄, 지르코늄, 티타늄, 탄탈, 알루미늄 및 금속 탄화물로 구성된 그룹으로부터 선택되는 물질을 포함하고, 상기 제 2 금속 층은 약 4.9eV 내지 약 5.2eV의 일함수를 가지며, 루테늄, 팔라듐, 플래티늄, 코발트, 니켈 및 도전성 금속 산화물로 구성된 그룹으로부터 선택되는 물질을 포함하고,상기 트렌치 내 및 상기 제 2 금속 층 상에 충진 금속을 형성하는 단계를 더 포함하는 반도체 장치 제조 방법.
- 제 12 항에 있어서,상기 제 1 및 제 2 금속 층은 각각 약 25 내지 약 300 옹스트롬의 두께를 가지며, 상기 제 1 금속 층은 약 4.9eV 내지 약 5.2eV의 일함수를 가지며 루테늄, 팔라듐, 플래티늄, 코발트, 니켈 및 도전선 금속 산화물로 구성된 그룹으로부터 선택되는 물질을 포함하고, 상기 제 2 금속 층은 약 3.9eV 내지 약 4.2eV의 일함수를 가지며 하프늄, 지르코늄, 티타늄, 탄탈, 알루미늄 및 금속 탄화물로 구성된 그룹으로부터 선택되는 물질을 포함하고,상기 트렌치 내에 또한 상기 제 2 금속 층 상에 충진 금속을 형성하는 단계 를 더 포함하는 반도체 장치 제조 방법.
- 반도체 장치 제조 방법에 있어서,기판 상에 제 1 유전체 층을 형성하는 단계와,상기 제 1 유전체 층 내에 트렌치를 형성하는 단계와,상기 기판 상에 하이-k 게이트 유전체 층을 형성하는 단계로서, 상기 하이-k 게이트 유전체 층은 상기 트렌치의 바닥부에 형성된 제 1 부분과, 제 2 부분을 가지며, 하프늄 산화물, 지르코늄 산화물 및 알루미늄 산화물로 구성된 그룹으로부터 선택되는 물질을 포함하는 단계와,상기 하이-k 게이트 유전체 층의 상기 제 1 및 제 2 부분 상에 금속 층을 형성하는 단계로서, 상기 금속 층은 약 25 내지 약 300 옹스트롬의 두께를 갖는 단계와,상기 금속 층 상에 스핀 온 글래스 층을 형성하는 단계로서, 상기 스핀 온 글래스 층의 제 1 부분은 상기 하이-k 게이트 유전체 층의 상기 제 1 부분을 커버하고, 상기 스핀 온 글래스 층의 제 2 부분은 상기 하이-k 게이트 유전체 층의 제 2 부분을 커버하는 단계와,상기 스핀 온 글래스 층의 상기 제 1 부분을 유지하면서 상기 스핀 온 글래스 층의 상기 제 2 부분을 제거하여, 상기 금속 층의 일부분을 노출시키는 단계와,상기 금속 층의 상기 노출된 부분을 제거하여 상기 하이-k 게이트 유전체 층 의 상기 제 1 부분을 커버하나 상기 하이-k 게이트 유전체 층의 상기 제 2 부분을 커버하지 않는 제 1 금속 층을 생성하는 단계와,상기 스핀 온 글래스 층의 상기 제 1 부분을 제거하는 단계와,상기 제 1 금속 층 상에 또한 상기 하이-k 게이트 유전체 층의 상기 제 2 부분 상에 제 2 금속 층을 형성하되, 상기 제 2 금속 층은 약 25 내지 약 300 옹스트롬의 두께를 가지며 상기 제 1 금속 층을 커버하고 하이-k 게이트 유전체 층의 제 2 부분을 커버하는 단계를 포함하는 반도체 장치 제조 방법.
- 제 16 항에 있어서,상기 제 1 금속 층은 약 3.9eV 내지 약 4.2eV의 일함수를 가지며 하프늄, 지르코늄, 티타늄, 탄탈, 알루미늄 및 금속 탄화물로 구성된 그룹으로부터 선택되는 물질을 포함하고, 상기 제 2 금속 층은 약 4.9eV 내지 약 5.2eV의 일함수를 가지며, 루테늄, 팔라듐, 플래티늄, 코발트, 니켈 및 도전성 금속 산화물로 구성된 그룹으로부터 선택되는 물질을 포함하는 반도체 장치 제조 방법.
- 제 16 항에 있어서,상기 제 1 금속 층은 약 4.9eV 내지 약 5.2eV의 일함수를 가지며 루테늄, 팔라듐, 플래티늄, 코발트, 니켈 및 도전선 금속 산화물로 구성된 그룹으로부터 선택 되는 물질을 포함하고, 상기 제 2 금속 층은 약 3.9eV 내지 약 4.2eV의 일함수를 가지며 하프늄, 지르코늄, 티타늄, 탄탈, 알루미늄 및 금속 탄화물로 구성된 그룹으로부터 선택되는 물질을 포함하는 반도체 장치 제조 방법.
- 제 16 항에 있어서,상기 트렌치 내 및 상기 제 2 금속 층 상에 충진 금속을 형성하는 단계를 더 포함하는 반도체 장치 제조 방법.
- 제 19 항에 있어서,상기 충진 금속은 텅스텐, 알루미늄, 티타늄 및 티타늄 질화물로 구성된 그룹으로 선택되는 물질을 포함하는 반도체 장치 제조 방법.
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US9054178B2 (en) | 2009-12-30 | 2015-06-09 | Intel Corporation | Self-aligned contacts |
US9093513B2 (en) | 2009-12-30 | 2015-07-28 | Intel Corporation | Self-aligned contacts |
US9466565B2 (en) | 2009-12-30 | 2016-10-11 | Intel Corporation | Self-aligned contacts |
US9508821B2 (en) | 2009-12-30 | 2016-11-29 | Intel Corporation | Self-aligned contacts |
US9892967B2 (en) | 2009-12-30 | 2018-02-13 | Intel Corporation | Self-aligned contacts |
US10141226B2 (en) | 2009-12-30 | 2018-11-27 | Intel Corporation | Self-aligned contacts |
US10629483B2 (en) | 2009-12-30 | 2020-04-21 | Intel Corporation | Self-aligned contacts |
US10930557B2 (en) | 2009-12-30 | 2021-02-23 | Intel Corporation | Self-aligned contacts |
US11600524B2 (en) | 2009-12-30 | 2023-03-07 | Intel Corporation | Self-aligned contacts |
US11887891B2 (en) | 2009-12-30 | 2024-01-30 | Intel Corporation | Self-aligned contacts |
KR20190032213A (ko) * | 2017-09-18 | 2019-03-27 | 에이에스엠 아이피 홀딩 비.브이. | 반도체 소자 구조 형성 방법 및 관련된 반도체 소자 구조 |
Also Published As
Publication number | Publication date |
---|---|
TW200539277A (en) | 2005-12-01 |
US20060180878A1 (en) | 2006-08-17 |
DE112005000854B4 (de) | 2009-12-17 |
US7671471B2 (en) | 2010-03-02 |
US20080135952A1 (en) | 2008-06-12 |
CN1947242B (zh) | 2010-09-29 |
KR100838851B1 (ko) | 2008-06-16 |
CN1947242A (zh) | 2007-04-11 |
DE112005000854T5 (de) | 2007-03-15 |
WO2005106950A1 (en) | 2005-11-10 |
US20050233527A1 (en) | 2005-10-20 |
CN101916771A (zh) | 2010-12-15 |
US7153784B2 (en) | 2006-12-26 |
TWI285956B (en) | 2007-08-21 |
US7355281B2 (en) | 2008-04-08 |
CN101916771B (zh) | 2013-01-23 |
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