KR20010088450A - 금속, 실리콘 및 산소를 함유하는 절연막을 포함하는게이트 절연막 구조를 갖는 반도체 디바이스 및 그 제조방법 - Google Patents
금속, 실리콘 및 산소를 함유하는 절연막을 포함하는게이트 절연막 구조를 갖는 반도체 디바이스 및 그 제조방법 Download PDFInfo
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- KR20010088450A KR20010088450A KR1020010012464A KR20010012464A KR20010088450A KR 20010088450 A KR20010088450 A KR 20010088450A KR 1020010012464 A KR1020010012464 A KR 1020010012464A KR 20010012464 A KR20010012464 A KR 20010012464A KR 20010088450 A KR20010088450 A KR 20010088450A
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- Prior art keywords
- film
- metal
- insulating film
- silicon
- oxide film
- Prior art date
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 132
- 239000002184 metal Substances 0.000 title claims abstract description 126
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 125
- 239000010703 silicon Substances 0.000 title claims abstract description 124
- 239000004065 semiconductor Substances 0.000 title claims abstract description 113
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 58
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000001301 oxygen Substances 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims description 63
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 161
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 161
- 239000000758 substrate Substances 0.000 claims abstract description 97
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 28
- 239000011737 fluorine Substances 0.000 claims abstract description 28
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 23
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 123
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 107
- 238000010438 heat treatment Methods 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 57
- 238000007254 oxidation reaction Methods 0.000 claims description 21
- 239000012298 atmosphere Substances 0.000 claims description 20
- 230000003647 oxidation Effects 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 238000002425 crystallisation Methods 0.000 claims description 9
- 230000008025 crystallization Effects 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- 229910052914 metal silicate Inorganic materials 0.000 abstract description 106
- 239000010408 film Substances 0.000 description 739
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 86
- 229910052726 zirconium Inorganic materials 0.000 description 45
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 40
- 229910052581 Si3N4 Inorganic materials 0.000 description 38
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 38
- 230000008569 process Effects 0.000 description 35
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 27
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 25
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 23
- 229910001928 zirconium oxide Inorganic materials 0.000 description 23
- 229910052727 yttrium Inorganic materials 0.000 description 17
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 14
- 238000005468 ion implantation Methods 0.000 description 13
- 230000002829 reductive effect Effects 0.000 description 13
- 229910052688 Gadolinium Inorganic materials 0.000 description 12
- 239000010410 layer Substances 0.000 description 12
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 11
- 229920005591 polysilicon Polymers 0.000 description 11
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 10
- 238000000137 annealing Methods 0.000 description 10
- 238000005229 chemical vapour deposition Methods 0.000 description 10
- 230000001590 oxidative effect Effects 0.000 description 10
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 9
- 229910052721 tungsten Inorganic materials 0.000 description 9
- 239000010937 tungsten Substances 0.000 description 9
- 125000004429 atom Chemical group 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000005380 borophosphosilicate glass Substances 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 7
- 229910001938 gadolinium oxide Inorganic materials 0.000 description 7
- 229940075613 gadolinium oxide Drugs 0.000 description 7
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000002955 isolation Methods 0.000 description 6
- 238000001020 plasma etching Methods 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 229910052735 hafnium Inorganic materials 0.000 description 5
- 229910052746 lanthanum Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 3
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 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 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910001936 tantalum oxide Inorganic materials 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- -1 207) Chemical compound 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- YQEVIZPKEOELNL-UHFFFAOYSA-N CCCCO[Zr] Chemical group CCCCO[Zr] YQEVIZPKEOELNL-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910015900 BF3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-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
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- XLJMJLOJFWPNRF-UHFFFAOYSA-N [O-2].[Ti+4].[Bi+3].[Sr+2] Chemical compound [O-2].[Ti+4].[Bi+3].[Sr+2] XLJMJLOJFWPNRF-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- HAYXDMNJJFVXCI-UHFFFAOYSA-N arsenic(5+) Chemical compound [As+5] HAYXDMNJJFVXCI-UHFFFAOYSA-N 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052454 barium strontium titanate Inorganic materials 0.000 description 1
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 239000002784 hot electron Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 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
- H01L21/77—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
- H01L21/02—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
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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
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28088—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being a composite, e.g. TiN
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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
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28185—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation with a treatment, e.g. annealing, after the formation of the gate insulator and before the formation of the definitive gate conductor
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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
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28194—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation by deposition, e.g. evaporation, ALD, CVD, sputtering, laser deposition
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- 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
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28202—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation in a nitrogen-containing ambient, e.g. nitride deposition, growth, oxynitridation, NH3 nitridation, N2O oxidation, thermal nitridation, RTN, plasma nitridation, RPN
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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
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Abstract
Description
Claims (20)
- 반도체 디바이스에 있어서,반도체 기판; 및상기 반도체 기판 상에 제공된 게이트 절연막을 포함하고,상기 게이트 절연막의 최소한 일부는 절연막을 포함하고, 상기 절연막은 금속, 실리콘 및 산소 중의 최소한 하나와, 불소와 질소 중의 최소한 하나를 함유하는 반도체 디바이스.
- 반도체 디바이스에 있어서,반도체 기판; 및상기 반도체 기판 상에 제공된 게이트 절연막 - 상기 게이트 절연막의 최소한 일부는 금속 산화물막을 포함함-을 포함하고,최소한 금속, 실리콘 및 산소를 함유하는 절연막이 상기 반도체 기판과 상기 금속 산화물막 사이에 제공되고, 불소와 질소 중의 적어도 하나가 상기 절연막 내에 함유되는 반도체 디바이스.
- 반도체 디바이스에 있어서,반도체 기판; 및상기 반도체 기판 상에 제공된 게이트 절연막 - 상기 게이트 절연막의 최소한 일부는 금속 산화물막을 포함함-을 포함하고,최소한 금속, 실리콘 및 산소를 함유하는 절연막이 상기 반도체 기판과 상기 금속 산화물막 사이에 제공되고, 상기 금속 산화물막과 상기 절연막의 각각이 비결정막인 반도체 디바이스.
- 제3항에 있어서, 상기 금속 산화물막, 및 최소한 금속, 실리콘 및 산소를 함유하는 상기 게이트 절연막이 형성되는 게이트 개구부를 포함하는 평탄한 절연막; 및상기 게이트 개구부 내의 상기 게이트 절연막 상에 형성되어, 상기 평탄한 절연막과 동일면인 표면을 갖는 게이트 전극을 포함하는 반도체 디바이스.
- 반도체 디바이스에 있어서,반도체 기판; 및상기 반도체 기판 상에 제공된 게이트 절연막 - 상기 게이트 절연막의 최소한 일부는 금속 산화물막을 포함함-을 포함하고,최소한 금속, 실리콘 및 산소를 함유하는 절연막이 상기 반도체 기판과 상기 금속 산화물막 사이에 형성되고,상기 금속 산화물막을 구성하는 주요 금속 원소 및 상기 절연막을 구성하는 주요 금속 원소가 서로 다른 반도체 디바이스.
- 최소한 일부가 금속 산화물막을 포함하는 게이트 절연막을 포함하는 반도체 디바이스의 제조 방법에 있어서,반도체 기판 상에 최소한 금속, 실리콘 및 산소를 함유하는 절연막을 형성하는 단계; 및최소한 금속, 실리콘 및 산소를 함유하는 상기 절연막 상에 금속 산화물막을 형성하는 단계를 포함하는 반도체 디바이스 제조 방법.
- 제6항에 있어서, 최소한 금속, 실리콘 및 산소를 함유하는 상기 절연막을 형성하는 단계 이후와 상기 금속 산화물막을 형성하는 단계 이전에 최소한 금속, 실리콘 및 산소를 함유하는 절연막의 결정화 온도보다 낮고 상기 금속 산화물막의 결정화 온도보다 높은 온도에서 열처리를 행하는 단계를 더 포함하는 반도체 디바이스 제조 방법.
- 최소한 금속, 실리콘 및 산소를 함유하는 절연막을 최소한 일부가 포함하는게이트 절연막을 포함하는 반도체 디바이스의 제조 방법에 있어서,반도체 기판 상에 실리콘 산화막계 절연막을 형성하는 단계;상기 실리콘 산화막계 절연막 상에 금속막을 형성하는 단계; 및상기 실리콘 산화막계 절연막과 금속막을 열처리에 의해 서로 반응시킴으로써 최소한 금속, 실리콘 및 산소를 함유하는 절연막을 형성하는 단계를 포함하는 반도체 디바이스 제조 방법.
- 제8항에 있어서, 최소한 금속, 실리콘 및 산소를 함유하는 절연막이 형성될 때 최소한 금속, 실리콘 및 산소를 함유하는 절연막 상에 금속막의 일부를 남기는 단계를 더 포함하는 반도체 디바이스 제조 방법.
- 반도체 디바이스 제조 방법에 있어서,반도체 기판 상에 실리콘 산화막계 절연막을 형성하는 단계;상기 실리콘 산화막계 절연막 상에 제1 금속막을 형성하는 단계;상기 실리콘 산화막계 절연막과 상기 제1 금속막을 서로 열처리에 의해 반응시킴으로써 제1 금속막을 구성하는 금속 원소와, 실리콘, 산소를 최소한 함유하는 절연막을 형성하는 단계;열처리 시에 상기 실리콘 산화막계 절연막과 반응하지 않고 남아있는 제1 금속막의 일부를 제거하는 단계; 및제1 금속막의 일부가 제거된 영역 내에 제1 금속막을 구성하는 금속 원소와다른 금속 원소로 형성된 제2 금속막을 형성하는 단계를 포함하는 반도체 디바이스 제조 방법.
- 반도체 디바이스 제조 방법에 있어서,반도체 기판 상에 실리콘 산화막계 절연막을 형성하는 단계;상기 실리콘 산화막계 절연막 상에 제1 금속막을 형성하는 단계;상기 제1 금속막의 일부를 제거하는 단계;제1 금속막의 일부가 제거된 영역 내에 제1 금속막을 구성하는 금속 원소와 다른 금속 원소로 형성된 제2 금속막을 형성하는 단계; 및상기 실리콘 산화막계 절연막과 상기 제1 금속막을 서로 열처리에 의해 반응시킴으로써 제1 금속막을 구성하는 금속 원소와, 실리콘, 산소를 최소한 함유하는 제1 절연막, 및 상기 실리콘 산화막계 절연막과 상기 제2 금속막을 서로 열처리에 의해 반응시킴으로써 제2 금속막을 구성하는 금속 원소와, 실리콘, 산소를 최소한 함유하는 제2 절연막을 형성하는 단계를 포함하는 반도체 디바이스 제조 방법.
- 반도체 디바이스에 있어서,반도체 기판; 및상기 반도체 기판 상에 형성된 제1 및 제2 트랜지스터 영역 - 상기 제1 및 제2 트랜지스터 영역의 각각은 최소한 금속, 실리콘 및 산소를 함유하는 절연막을최소한 일부가 포함하는 게이트 절연막을 각각 포함함-을 포함하고,상기 제1 및 제2 영역 내의 상기 절연막을 구성하는 금속 원소가 동일하고, 상기 제1 및 제2 영역 내의 상기 절연막의 금속, 실리콘 및 산소의 조성비가 서로 다른 반도체 디바이스.
- 반도체 디바이스에 있어서,반도체 기판;금속 산화물막이 제1 게이트 절연막의 최소한 일부로서 제공되는 상기 반도체 기판 상의 제1 트랜지스터 영역; 및최소한 금속, 실리콘 및 산소를 함유하는 제2 게이트 절연막이 제2 게이트 절연막의 최소한 일부로서 제공되는 제2 트랜지스터 영역을 포함하고,상기 제1 트랜지스터 영역 내의 금속 산화물막을 구성하는 금속 원소가 상기 제2 트랜지스터 영역 내의 제2 게이트 절연막을 구성하는 금속 원소와 동일한 반도체 디바이스.
- 반도체 기판 상에 형성된 게이트 절연막-이 게이트 절연막은 제1 및 제2의 서로 다른 영역을 포함함-을 포함하는 반도체 디바이스 제조 방법에 있어서,상기 제1 영역의 반도체 기판 상에 실리콘 산화막계 절연막을 형성하는 단계;상기 제1 영역의 실리콘 산화막계 절연막 위와 상기 제2 영역의 반도체 기판 위에 금속 산화물막을 형성하는 단계; 및상기 제2 영역의 실리콘 산화막과 상기 반도체 기판의 실리콘을 열처리에 의해 서로 반응시킴으로써 최소한 금속, 실리콘 및 산소를 함유하는 절연막을 형성하는 단계를 포함하는 반도체 디바이스 제조 방법.
- 반도체 기판 상에 게이트 절연막의 제1 및 제2 영역을 포함하는 반도체 디바이스 제조 방법에 있어서,상기 제1 및 제2 영역 중의 한 영역의 반도체 기판, 및 상기 제1 및 제2 영역 중의 나머지 한 영역에 형성된 실리콘 산화막계 절연막 중의 하나 위에 금속 산화물막을 형성하는 단계;상기 제1 및 제2 영역 중의 한 영역 상에 형성된 금속 산화물막 내로 실리콘을 선택적으로 도핑하는 단계; 및실리콘이 도핑된 금속 산화물막을 최소한 금속, 실리콘 및 산소를 함유하는 절연막으로 변환하는 단계를 포함하는 반도체 디바이스 제조 방법.
- 반도체 기판 상에 게이트 절연막의 제1 및 제2 영역을 포함하는 반도체 디바이스 제조 방법에 있어서,상기 반도체 기판 상의 제1 및 제2 영역 중의 한 영역에 실리콘 산화막계 절연막을 형성하는 단계;상기 실리콘 산화막계 절연막 상에 금속 산화물막을 형성하는 단계;상기 제1 및 제2 영역 중의 한 영역에 형성된 실리콘 산화막계 절연막에 선택적으로 손상을 입히는 단계; 및상기 손상된 실리콘 산화막계 절연막과 금속 산화물막을 서로 열처리에 의해 반응시킴으로써 최소한 금속, 실리콘 및 산소를 함유하는 절연막을 형성하는 단계를 포함하는 반도체 디바이스 제조 방법.
- 게이트 절연막의 최소한 일부로서 사용된 금속 산화물막을 포함하는 반도체 디바이스 제조 방법에 있어서,상기 반도체 기판 상에 금속 산화물막을 형성하는 단계; 및상기 금속 산화물막의 형성 단계 후에 서로 산화력이 다른 여러 형태의 개스를 함유하는 분위기에서 열처리를 행하는 단계를 포함하는 반도체 디바이스 제조 방법.
- 제17항에 있어서, 상기 금속 산화물막 내에 함유된 금속이 산화되는 반면, 상기 반도체 기판과 금속 산화물막 사이의 경계 영역의 실리콘이 산화되지 않는 조건에서 열처리가 행해지는 반도체 디바이스 제조 방법.
- 최소한 금속, 실리콘 및 산소를 함유하고 게이트 절연막의 최소한 일부로서 사용되는 절연막을 포함하는 반도체 디바이스 제조 방법에 있어서,상기 반도체 기판 상에 최소한 금속, 실리콘 및 산소를 함유하는 절연막을 형성하는 단계; 및상기 절연막 형성 단계 후에 산화력이 서로 다른 여러 형태의 개스를 함유하는 분위기에서 열처리를 행하는 단계를 포함하는 반도체 디바이스 제조 방법.
- 제19항에 있어서, 최소한 금속, 실리콘 및 산소를 함유하는 상기 절연막 내에 함유된 금속이 산화되는 반면, 상기 반도체 기판과 최소한 금속, 실리콘 및 산소를 함유하는 상기 절연막 사이의 경계 영역의 실리콘이 산화되지 않는 조건에서 열처리가 행해지는 반도체 디바이스 제조 방법.
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US7306994B2 (en) | 2007-12-11 |
US20050006675A1 (en) | 2005-01-13 |
US7544593B2 (en) | 2009-06-09 |
US20090233451A1 (en) | 2009-09-17 |
US7947610B2 (en) | 2011-05-24 |
TW505954B (en) | 2002-10-11 |
KR100551186B1 (ko) | 2006-02-14 |
US6784508B2 (en) | 2004-08-31 |
US20080102616A1 (en) | 2008-05-01 |
US20010023120A1 (en) | 2001-09-20 |
JP2001257344A (ja) | 2001-09-21 |
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