KR102470206B1 - 금속 산화막의 제조 방법 및 금속 산화막을 포함하는 표시 소자 - Google Patents
금속 산화막의 제조 방법 및 금속 산화막을 포함하는 표시 소자 Download PDFInfo
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- KR102470206B1 KR102470206B1 KR1020170133462A KR20170133462A KR102470206B1 KR 102470206 B1 KR102470206 B1 KR 102470206B1 KR 1020170133462 A KR1020170133462 A KR 1020170133462A KR 20170133462 A KR20170133462 A KR 20170133462A KR 102470206 B1 KR102470206 B1 KR 102470206B1
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- Prior art keywords
- metal oxide
- oxide film
- film
- metal
- layer
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- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 140
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 102
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 90
- 239000002184 metal Substances 0.000 claims abstract description 90
- 239000002243 precursor Substances 0.000 claims abstract description 84
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 239000012495 reaction gas Substances 0.000 claims abstract description 22
- 230000001590 oxidative effect Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 34
- 239000010936 titanium Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 14
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 12
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 6
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 4
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 3
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 135
- 239000010408 film Substances 0.000 description 108
- 208000036252 interstitial lung disease 1 Diseases 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 11
- 239000010409 thin film Substances 0.000 description 11
- 239000004020 conductor Substances 0.000 description 9
- 208000036971 interstitial lung disease 2 Diseases 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- -1 oxygen anions Chemical class 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
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- 239000010955 niobium Substances 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
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- 239000004642 Polyimide Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
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- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical class [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 101100380241 Caenorhabditis elegans arx-2 gene Proteins 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 101000685663 Homo sapiens Sodium/nucleoside cotransporter 1 Proteins 0.000 description 2
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- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 229910001195 gallium oxide Inorganic materials 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
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- 239000001272 nitrous oxide Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
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- 230000004044 response Effects 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
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- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
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- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- VJBCNMFKFZIXHC-UHFFFAOYSA-N azanium;2-(4-methyl-5-oxo-4-propan-2-yl-1h-imidazol-2-yl)quinoline-3-carboxylate Chemical compound N.N1C(=O)C(C(C)C)(C)N=C1C1=NC2=CC=CC=C2C=C1C(O)=O VJBCNMFKFZIXHC-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
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- 150000002362 hafnium Chemical class 0.000 description 1
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- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
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- 150000004767 nitrides Chemical class 0.000 description 1
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- 229910052711 selenium Inorganic materials 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/405—Oxides of refractory metals or yttrium
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- 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
- H01L21/02181—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 hafnium, e.g. HfO2
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- H01L51/56—
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/515—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using pulsed discharges
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/517—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using a combination of discharges covered by two or more of groups C23C16/503 - C23C16/515
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- H—ELECTRICITY
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- H01J37/32449—Gas control, e.g. control of the gas flow
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- 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
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 금속 산화막 제조 방법을 나타내는 블록도이다.
도 3은 본 발명의 일 실시예에 따른 금속 산화막 제조 방법을 설명하기 위한 단면도이다.
도 4는 본 발명의 일 실시예에 따른 금속 산화막 제조 방법을 설명하기 위한 단면도이다.
도 5는 본 발명의 일 실시예에 따른 금속 산화막 제조 방법을 설명하기 위한 단면도이다.
도 6은 본 발명의 일 실시예에 따른 금속 산화막의 제조 방법을 설명하기 위한 그래프이다.
도 7은 본 발명의 일 실시예에 따른 금속 산화막의 제조 방법의 결과물을 투과전자현미경(TEM)으로 촬영한 사진이다.
도 8은 본 발명의 일 실시예의 결과물과 ALD 방식으로 형성된 박막을 XRD(X-ray Diffraction) 분석한 결과이다.
도 9는 본 발명의 일 실시예에 따른 표시 소자의 단면도이다.
도 10은 본 발명의 다른 실시예에 따른 표시 소자의 단면도이다.
도 11은 본 발명의 다른 실시예에 따른 표시 소자의 단면도이다.
도 12는 본 발명의 다른 실시예에 따른 표시 장치의 단면도이다.
도 13은 본 발명의 다른 실시예에 따른 표시 장치의 부분 단면도이다.
SH:샤워 헤드
300: 서셉터
800: 반응 가스
700: 금속 전구체
501: 제1 금속 전구체막
502: 제1 서브 금속 산화막
503: 제2 금속 전구체막
Claims (20)
- 챔버 내에 반응 가스 및 금속 전구체를 주입하는 단계;
플라즈마 오프 상태에서 기판 상에 제1 금속 전구체막을 형성하는 단계;
상기 제1 금속 전구체막을 형성하는 단계 후에 퍼징 공정의 개재없이 플라즈마 온 상태에서 제1 금속 전구체막을 산화시켜 제1 서브 금속 산화막을 형성하는 단계; 및
플라즈마 오프 상태에서 제1 서브 금속 산화막 상에 제2 금속 전구체막을 형성하는 단계;를 포함하되,
상기 각 단계의 결과물인 금속 산화막은 비정질 상을 갖고, 상기 금속 산화막의 두께는 20nm 내지 130 nm이며, 상기 금속 산화막의 유전 상수는 10 이상 50이하이고,
상기 플라즈마 오프 상태에서 제1 서브 금속 산화막 상에 제2 금속 전구체막을 형성하는 단계는 상기 플라즈마 온 상태에서 샤워 헤드와 서셉터 사이에 플라즈마 영역이 제공되도록 상기 샤워 헤드에 전원을 공급하는 단계를 포함하고,
상기 제1 금속 전구체막을 형성하는 전체의 단계, 상기 제1 서브 금속 산화막을 형성하는 전체의 단계 및 상기 제2 금속 전구체막을 형성하는 전체의 단계 동안, 상기 반응 가스와 상기 금속 전구체가 상기 챔버 내부에 연속적으로 주입되는 금속 산화막의 제조 방법. - 제1항에 있어서,
상기 금속 전구체는 지르코늄 계열, 하프늄 계열 및 티타늄 계열 중 선택된 어느 하나를 포함하는 금속 산화막의 제조 방법. - 제2항에 있어서,
상기 금속 전구체는 Zr(N(CH3)2(C2H5))3, Zr(N(CH3)C2H5)4, Zr(OC(CH3)3)4, Ti(N(CH3)2(C2H5)), Hf(N(CH3)3(C2H5))3, Hf(N(CH3)C2H5))4 및 Hf(OC(CH3)3)4로 이루어진 군에서 선택된 어느 하나를 포함하는 금속 산화막의 제조 방법. - 제2항에 있어서,
상기 금속 산화막은 지르코늄 옥사이드, 하프늄 옥사이드 및 티타늄 옥사이드 중 선택된 어느 하나를 포함하는 금속 산화막의 제조 방법. - 제1항에 있어서,
플라즈마 온 상태에서 상기 제2 금속 전구체막을 산화시켜, 제2 서브 금속 산화막을 형성하는 단계를 더 포함하는 금속 산화막의 제조 방법. - 제1항에 있어서,
상기 플라즈마 온 상태에서 제1 금속 전구체막을 산화시켜 제1 서브 금속 산화막을 형성하는 단계; 및
상기 플라즈마 오프 상태에서 제1 서브 금속 산화막 상에 제2 금속 전구체막을 형성하는 단계는 한 번 이상 반복하여 수행되는 금속 산화막의 제조 방법. - 제1항에 있어서,
상기 챔버 내부의 압력은 0.1 torr 내지 10torr 인 금속 산화막의 제조 방법. - 제1항에 있어서,
상기 챔버 내부의 온도는 100 내지 400 인 금속 산화막의 제조 방법. - 제1항에 있어서,
상기 챔버 내에 반응 가스 및 금속 전구체를 주입하는 단계는 상기 금속 전구체와 함께 이송 가스를 주입하는 단계를 포함하는 금속 산화막의 제조 방법. - 제1항에 있어서,
상기 플라즈마 온 상태의 시간 간격과 상기 플라즈마 오프 상태의 시간 간격은 동일한 금속 산화막의 제조 방법. - 제1항에 있어서,
상기 플라즈마 온 상태의 시간 간격과 상기 플라즈마 오프 상태의 시간 간격의 비는 1:2, 1:3, 1:4 및 1:5에서 선택된 어느 하나인 금속 산화막의 제조 방법. - 기판;
상기 기판 상에 형성된 금속 산화막을 포함하되,
상기 금속 산화막은 비정질 상을 갖고,
상기 금속 산화막의 두께는 20nm 내지 130 nm이며, 상기 금속 산화막의 유전 상수는 10 이상 50이하이고,
상기 금속 산화막은 제1 서브 금속 산화막 및 상기 제1 서브 금속 산화막의 일면 상에 적층된 제2 서브 금속 산화막을 포함하며,
상기 제2 서브 금속 산화막은 상기 제1 서브 금속 산화막의 일면 상에서 불연속적으로 배치되는 표시 소자. - 제12항에 있어서,
상기 금속 산화막을 사이에 두고 배치되는 제1 전극 및 제2 전극을 더 포함하고, 상기 제1 전극, 상기 제2 전극 및 상기 금속 산화막은 캐패시터를 이루는 표시 소자. - 제13항에 있어서,
상기 금속 산화막의 두께는 90nm 내지 130nm인 표시 소자. - 제13항에 있어서,
상기 제2 전극과 상기 금속 산화막 사이에 배치되는 절연막을 더 포함하는 표시 소자. - 제15항에 있어서,
상기 절연막은 산화 규소, 질화 규소 및 산질화 규소 중 선택된 어느 하나 이상을 포함하는 표시 소자. - 제16항에 있어서,
상기 금속 산화막의 두께는 60nm 내지 80nm 인 표시 소자. - 제17항에 있어서,
상기 절연막의 두께는 30nm 내지 50nm인 표시 소자. - 제12항에 있어서,
상기 금속 산화막은 지르코늄 옥사이드, 하프늄 옥사이드 및 티타늄 옥사이드 중 선택된 어느 하나를 포함하는 표시 소자. - 제12항에 있어서,
상기 금속 산화막 상에 배치되는 투명 전극, 상기 투명 전극 상에 배치되는 유기 발광층 및 상기 유기 발광층 상에 배치되는 공통 전극을 더 포함하는 표시 소자.
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