KR20040033307A - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
- Publication number
- KR20040033307A KR20040033307A KR10-2004-7003610A KR20047003610A KR20040033307A KR 20040033307 A KR20040033307 A KR 20040033307A KR 20047003610 A KR20047003610 A KR 20047003610A KR 20040033307 A KR20040033307 A KR 20040033307A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- insulating film
- silicon
- nitrogen
- aluminum
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 title claims description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 132
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 42
- 125000004433 nitrogen atom Chemical group N* 0.000 claims abstract description 15
- 125000004430 oxygen atom Chemical group O* 0.000 claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 223
- 229910052757 nitrogen Inorganic materials 0.000 claims description 119
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 118
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 106
- 229910052710 silicon Inorganic materials 0.000 claims description 106
- 239000010703 silicon Substances 0.000 claims description 106
- 238000000034 method Methods 0.000 claims description 76
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 49
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 44
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 44
- 238000005121 nitriding Methods 0.000 claims description 43
- 229910052751 metal Inorganic materials 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 29
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 22
- 239000007800 oxidant agent Substances 0.000 claims description 16
- 150000004767 nitrides Chemical class 0.000 claims description 14
- 125000004429 atom Chemical group 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000013078 crystal Substances 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 6
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims description 4
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 30
- 238000009792 diffusion process Methods 0.000 abstract description 27
- 239000010408 film Substances 0.000 description 335
- 239000000758 substrate Substances 0.000 description 65
- 239000007789 gas Substances 0.000 description 30
- 108091006146 Channels Proteins 0.000 description 29
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 27
- 239000001301 oxygen Substances 0.000 description 27
- 239000000203 mixture Substances 0.000 description 26
- 238000010438 heat treatment Methods 0.000 description 23
- 238000000137 annealing Methods 0.000 description 21
- 238000000231 atomic layer deposition Methods 0.000 description 21
- 238000002425 crystallisation Methods 0.000 description 21
- 230000008025 crystallization Effects 0.000 description 21
- 239000010410 layer Substances 0.000 description 19
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 18
- 239000010409 thin film Substances 0.000 description 17
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 16
- 229910052796 boron Inorganic materials 0.000 description 16
- 230000007423 decrease Effects 0.000 description 15
- 229910021529 ammonia Inorganic materials 0.000 description 14
- 239000012298 atmosphere Substances 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 14
- 238000005546 reactive sputtering Methods 0.000 description 14
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 12
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 12
- 238000009413 insulation Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 238000000151 deposition Methods 0.000 description 11
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 10
- 235000012431 wafers Nutrition 0.000 description 10
- 239000002994 raw material Substances 0.000 description 9
- 238000002955 isolation Methods 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000011229 interlayer Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 229910001868 water Inorganic materials 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- 238000005468 ion implantation Methods 0.000 description 6
- 229910044991 metal oxide Inorganic materials 0.000 description 6
- 150000004706 metal oxides Chemical class 0.000 description 6
- 239000006104 solid solution Substances 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 238000002161 passivation Methods 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 229910052732 germanium Inorganic materials 0.000 description 4
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 229910052746 lanthanum Inorganic materials 0.000 description 4
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 4
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 150000004760 silicates Chemical class 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect 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
- 239000003990 capacitor Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 150000002829 nitrogen Chemical class 0.000 description 2
- 150000002831 nitrogen free-radicals Chemical class 0.000 description 2
- -1 nitrogen ions Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006378 damage Effects 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
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910000311 lanthanide oxide Inorganic materials 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 229940110728 nitrogen / oxygen Drugs 0.000 description 1
- 229940038031 nitrogen 10 % Drugs 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000011800 void material 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
- H01L21/02—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
- H01L21/28158—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
- H01L21/02104—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
- H01L21/02172—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 at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—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 at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02178—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 at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing aluminium, e.g. Al2O3
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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
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/0223—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate
- H01L21/02244—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of a metallic layer
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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
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/02247—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by nitridation, e.g. nitridation of the substrate
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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
- H01L21/28202—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
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- 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
- H01L29/518—Insulating materials associated therewith the insulating material containing nitrogen, e.g. nitride, oxynitride, nitrogen-doped material
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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
- H01L21/02126—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 containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
- H01L21/0214—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 containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material being a silicon oxynitride, e.g. SiON or SiON:H
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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
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Abstract
Description
Claims (21)
- MIS(금속-절연막-반도체) 구조를 갖는 반도체 장치에 있어서,상기 반도체는 실리콘을 주로 하는 막이고,상기 절연막은 Al, O, N 원자를 주체로 하는 막인 것을 특징으로 하는 반도체 장치.
- MIS(금속-절연막-반도체) 구조를 갖는 반도체 장치에 있어서,상기 반도체는 실리콘을 주로 하는 막이고,상기 절연막은 (1-x)AlO3/2·xAlN(단 0<x<1)인 것을 특징으로 하는 반도체 장치.
- 제1항 또는 제2항에 있어서,상기 반도체는 실리콘인 것을 특징으로 하는 반도체 장치.
- 소스 영역과, 드레인 영역과, 상기 소스 영역 및 상기 드레인 영역 사이에 협지된 채널 영역과, 상기 채널 영역과 절연막을 개재하여 형성된 게이트 전극을 갖는 트랜지스터를 구비한 반도체 장치에 있어서,상기 채널 영역은 실리콘을 주로 하는 막이고,상기 절연막은 Al, O, N 원자를 주체로 하는 막인 것을 특징으로 하는 반도체 장치.
- 소스 영역과, 드레인 영역과, 상기 소스 영역 및 상기 드레인 영역 사이에 협지된 채널 영역과, 상기 채널 영역과 절연막을 개재하여 형성된 게이트 전극을 갖는 트랜지스터를 구비한 반도체 장치에 있어서,상기 채널 영역은 실리콘을 주로 하는 막이고,상기 절연막은 (1-x)AlO3/2·xAlN(단 0<x<1)인 것을 특징으로 하는 반도체 장치.
- 제4항 또는 제5항에 있어서,상기 채널 영역은 실리콘인 것을 특징으로 하는 반도체 장치.
- 제1항 내지 제6항 중 어느 한 항에 있어서,상기 절연막은, 비금속 원자 중의 질소 농도비가 0.1% 이상 10% 이하인 것을 특징으로 하는 반도체 장치.
- 제1항 내지 제7항 중 어느 한 항에 있어서,상기 절연막의 막 두께는 5㎚ 이하인 것을 특징으로 하는 반도체 장치.
- 소스 영역과, 드레인 영역과, 상기 소스 영역 및 상기 드레인 영역 사이에 협지된 채널 영역과, 상기 채널 영역과 제1 절연막, 제2 절연막을 개재하여 형성된 게이트 전극을 갖는 트랜지스터를 구비한 반도체 장치에 있어서,제1 절연막은 실리콘 산화막 또는 실리콘 산질화막이고,제2 절연막은 Al, O, N 원자를 주체로 하는 막인 것을 특징으로 하는 반도체 장치.
- 소스 영역과, 드레인 영역과, 상기 소스 영역 및 상기 드레인 영역 사이에 협지된 채널 영역과, 상기 채널 영역과 제1 절연막, 제2 절연막을 개재하여 형성된 게이트 전극을 갖는 트랜지스터를 구비한 반도체 장치에 있어서,제1 절연막은 실리콘 산화막 또는 실리콘 산질화막이고,제2 절연막은 (1-x)AlO3/2·xAlN(단 0<x<1)인 것을 특징으로 하는 반도체 장치.
- 제9항 또는 제10항에 있어서,상기 채널 영역은 실리콘을 주로 하는 막인 것을 특징으로 하는 반도체 장치.
- 제9항 내지 제11항 중 어느 한 항에 있어서,상기 채널 영역은 실리콘인 것을 특징으로 하는 반도체 장치.
- 제9항 내지 제12항 중 어느 한 항에 있어서,제1 절연막은 제2 절연막보다도 채널 영역측에 존재하는 것을 특징으로 하는 반도체 장치.
- 제4항 내지 제13항 중 어느 한 항에 있어서,상기 게이트 전극은 다결정 실리콘 또는 실리콘 게르마늄 혼정인 것을 특징으로 하는 반도체 장치.
- 제4항 내지 제13항 중 어느 한 항에 있어서,상기 게이트 전극은 금속 질화물인 것을 특징으로 하는 반도체 장치.
- 절연막의 제조 방법에 있어서,알루미늄을 퇴적하고,산화제와 질화제를 동시에 공급하여, 산화와 질화를 행하고,이에 의해, 산질화 알루미늄막을 형성하는 것을 특징으로 하는 절연막의 제조 방법.
- 절연막의 제조 방법에 있어서,알루미늄을 퇴적하고,산화제와 질화제를 교대로 공급하여, 산화와 질화를 행하고,이에 의해, 산질화 알루미늄막을 형성하는 것을 특징으로 하는 절연막의 제조 방법.
- 절연막의 제조 방법에 있어서,산화 알루미늄을 퇴적하고,상기 산화 알루미늄을 질화하며,이에 의해, 산질화 알루미늄막을 형성하는 것을 특징으로 하는 절연막의 제조 방법.
- 제16항 내지 제18항 중 어느 한 항에 있어서,상기 절연막의 비금속 원자 중의 질소 농도비가 0.1% 이상 10% 이하인 것을 특징으로 하는 절연막의 제조 방법.
- 제16항 내지 제19항 중 어느 한 항에 기재된 방법에 의해 절연막을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제16항 내지 제20항 중 어느 한 항에 기재된 방법에 의해 게이트 절연막을형성하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
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PCT/JP2002/009363 WO2003026019A1 (fr) | 2001-09-12 | 2002-09-12 | Dispositif a semi-conducteurs et procede de production correspondant |
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KR100868397B1 (ko) * | 2006-03-15 | 2008-11-11 | 가부시끼가이샤 도시바 | 반도체 장치 및 그 제조 방법 |
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WO2003026019A1 (fr) | 2003-03-27 |
JP4492783B2 (ja) | 2010-06-30 |
JPWO2003026019A1 (ja) | 2005-01-06 |
CN1555580A (zh) | 2004-12-15 |
US20050017319A1 (en) | 2005-01-27 |
US7385265B2 (en) | 2008-06-10 |
KR100646296B1 (ko) | 2006-11-23 |
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