JP2017199907A - 半導体処理チャンバコンポーネント用の保護コーティングの原子層堆積 - Google Patents
半導体処理チャンバコンポーネント用の保護コーティングの原子層堆積 Download PDFInfo
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- JP2017199907A JP2017199907A JP2017086912A JP2017086912A JP2017199907A JP 2017199907 A JP2017199907 A JP 2017199907A JP 2017086912 A JP2017086912 A JP 2017086912A JP 2017086912 A JP2017086912 A JP 2017086912A JP 2017199907 A JP2017199907 A JP 2017199907A
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- layer
- yttrium
- component
- film layer
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Links
- 238000000034 method Methods 0.000 title claims abstract description 100
- 238000000231 atomic layer deposition Methods 0.000 title claims abstract description 80
- 239000004065 semiconductor Substances 0.000 title claims abstract description 44
- 239000011253 protective coating Substances 0.000 title abstract description 11
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims abstract description 31
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 21
- 239000008199 coating composition Substances 0.000 claims abstract description 20
- RBORBHYCVONNJH-UHFFFAOYSA-K yttrium(iii) fluoride Chemical compound F[Y](F)F RBORBHYCVONNJH-UHFFFAOYSA-K 0.000 claims abstract description 19
- 229940105963 yttrium fluoride Drugs 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 290
- 239000002243 precursor Substances 0.000 claims description 104
- 238000012545 processing Methods 0.000 claims description 65
- 229910052760 oxygen Inorganic materials 0.000 claims description 55
- 239000012528 membrane Substances 0.000 claims description 42
- 239000007983 Tris buffer Substances 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 27
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 20
- 239000002356 single layer Substances 0.000 claims description 20
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 19
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 19
- 238000000151 deposition Methods 0.000 claims description 17
- 238000000137 annealing Methods 0.000 claims description 15
- 229910052727 yttrium Inorganic materials 0.000 claims description 13
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 125000003368 amide group Chemical group 0.000 claims description 11
- VPFJVCJZOKOCHT-UHFFFAOYSA-N butylcyclopentane;yttrium Chemical compound [Y].CCCC[C]1[CH][CH][CH][CH]1.CCCC[C]1[CH][CH][CH][CH]1.CCCC[C]1[CH][CH][CH][CH]1 VPFJVCJZOKOCHT-UHFFFAOYSA-N 0.000 claims description 11
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 9
- BGGIUGXMWNKMCP-UHFFFAOYSA-N 2-methylpropan-2-olate;zirconium(4+) Chemical compound CC(C)(C)O[Zr](OC(C)(C)C)(OC(C)(C)C)OC(C)(C)C BGGIUGXMWNKMCP-UHFFFAOYSA-N 0.000 claims description 7
- PQLAYKMGZDUDLQ-UHFFFAOYSA-K aluminium bromide Chemical compound Br[Al](Br)Br PQLAYKMGZDUDLQ-UHFFFAOYSA-K 0.000 claims description 7
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 7
- DWCMDRNGBIZOQL-UHFFFAOYSA-N dimethylazanide;zirconium(4+) Chemical compound [Zr+4].C[N-]C.C[N-]C.C[N-]C.C[N-]C DWCMDRNGBIZOQL-UHFFFAOYSA-N 0.000 claims description 7
- GCPCLEKQVMKXJM-UHFFFAOYSA-N ethoxy(diethyl)alumane Chemical compound CCO[Al](CC)CC GCPCLEKQVMKXJM-UHFFFAOYSA-N 0.000 claims description 7
- WOZZOSDBXABUFO-UHFFFAOYSA-N tri(butan-2-yloxy)alumane Chemical compound [Al+3].CCC(C)[O-].CCC(C)[O-].CCC(C)[O-] WOZZOSDBXABUFO-UHFFFAOYSA-N 0.000 claims description 7
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 claims description 7
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 claims description 7
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 claims description 7
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 claims description 7
- LSWWNKUULMMMIL-UHFFFAOYSA-J zirconium(iv) bromide Chemical compound Br[Zr](Br)(Br)Br LSWWNKUULMMMIL-UHFFFAOYSA-J 0.000 claims description 7
- OQYNKAIYQJLEJA-UHFFFAOYSA-N 2,2,6,6-tetramethylheptane-3,5-dione;yttrium Chemical compound [Y].CC(C)(C)C(=O)CC(=O)C(C)(C)C.CC(C)(C)C(=O)CC(=O)C(C)(C)C.CC(C)(C)C(=O)CC(=O)C(C)(C)C OQYNKAIYQJLEJA-UHFFFAOYSA-N 0.000 claims description 6
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims description 5
- SRLSISLWUNZOOB-UHFFFAOYSA-N ethyl(methyl)azanide;zirconium(4+) Chemical compound [Zr+4].CC[N-]C.CC[N-]C.CC[N-]C.CC[N-]C SRLSISLWUNZOOB-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
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 claims 1
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims 1
- 238000000576 coating method Methods 0.000 description 77
- 239000010408 film Substances 0.000 description 73
- 239000011248 coating agent Substances 0.000 description 71
- 239000007789 gas Substances 0.000 description 37
- 210000002381 plasma Anatomy 0.000 description 25
- 239000000463 material Substances 0.000 description 18
- 239000000919 ceramic Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 14
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 10
- OLQIFTSPAVIXCQ-UHFFFAOYSA-N cyclopenta-1,3-diene;yttrium(3+) Chemical compound [Y+3].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 OLQIFTSPAVIXCQ-UHFFFAOYSA-N 0.000 description 10
- 230000003628 erosive effect Effects 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- GRTBAGCGDOYUBE-UHFFFAOYSA-N yttrium(3+) Chemical compound [Y+3] GRTBAGCGDOYUBE-UHFFFAOYSA-N 0.000 description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- GOVWJRDDHRBJRW-UHFFFAOYSA-N diethylazanide;zirconium(4+) Chemical compound [Zr+4].CC[N-]CC.CC[N-]CC.CC[N-]CC.CC[N-]CC GOVWJRDDHRBJRW-UHFFFAOYSA-N 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- GBNDTYKAOXLLID-UHFFFAOYSA-N zirconium(4+) ion Chemical compound [Zr+4] GBNDTYKAOXLLID-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 150000002222 fluorine compounds Chemical class 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910019655 synthetic inorganic crystalline material Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 2
- 229910052576 carbides based ceramic Inorganic materials 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 2
- IAYLRLKRHZVTOP-LWTKGLMZSA-N (z)-5-hydroxy-2,2,6,6-tetramethylhept-4-en-3-one;yttrium Chemical compound [Y].CC(C)(C)C(\O)=C\C(=O)C(C)(C)C.CC(C)(C)C(\O)=C\C(=O)C(C)(C)C.CC(C)(C)C(\O)=C\C(=O)C(C)(C)C IAYLRLKRHZVTOP-LWTKGLMZSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- -1 YF 3 Inorganic materials 0.000 description 1
- CHBIYWIUHAZZNR-UHFFFAOYSA-N [Y].FOF Chemical compound [Y].FOF CHBIYWIUHAZZNR-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000012707 chemical precursor Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- UZBQIPPOMKBLAS-UHFFFAOYSA-N diethylazanide Chemical compound CC[N-]CC UZBQIPPOMKBLAS-UHFFFAOYSA-N 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000001341 grazing-angle X-ray diffraction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- C23C16/44—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
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4404—Coatings or surface treatment on the inside of the reaction chamber or on parts thereof
-
- 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
-
- 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
- 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
-
- 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
- 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
- C23C16/403—Oxides of aluminium, magnesium or beryllium
-
- 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
- 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
-
- 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
- C23C16/44—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
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4408—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber by purging residual gases from the reaction chamber or gas lines
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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
- C23C16/44—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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
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Abstract
Description
1)前駆体の基板表面との反応。前駆体は、トリス(N,N−ビス(トリメチルシリル)アミド)イットリウム(III)、トリス(シクロペンタジエニル)イットリウム(III)、トリス(ブチルシクロペンタジエニル)イットリウム(III)、又はトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)を含むことができる。
2)ALD処理チャンバからの未反応前駆体のパージ。
3)第2の前駆体の表面との反応。第2の前駆体は、H2O、O2、又はO3を含むことができる。
4)ALD処理チャンバからの第2の未反応前駆体のパージ。
いくつかの実施形態では、第1の膜層がフッ化イットリウムを含む場合、使用される2つの前駆体は、トリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)及びTiF4とすることができる。
第1の層は、トリス(N,N−ビス(トリメチルシリル)アミド)イットリウム(III)、トリス(シクロペンタジエニル)イットリウム(III)、トリス(ブチルシクロペンタジエニル)イットリウム(III)、又はトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)から選択される前駆体と、H2O、O2、又はO3から選択される第2の前駆体とからALDを用いて成長させた酸化イットリウム単層とすることができる。第2の層は、前駆体のトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)とTiF4との単一の組み合わせからALDを用いて成長させたフッ化イットリウム単層とすることができる。得られた多成分コーティングは、YOxFyを含むことができ、X及びYは、第1及び第2の層の繰り返し数に依存する。
第1の層は、トリス(N,N−ビス(トリメチルシリル)アミド)イットリウム(III)、トリス(シクロペンタジエニル)イットリウム(III)、トリス(ブチルシクロペンタジエニル)イットリウム(III)、又はトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)から選択される前駆体と、H2O、O2、又はO3から選択される第2の前駆体とからALDを用いて成長させた酸化イットリウム単層とすることができる。第2の層は、ジエチルアルミニウムエトキシド、トリス(エチルメチルアミド)アルミニウム、アルミニウムsec−ブトキシド、アルミニウムトリブロミド、アルミニウムトリクロリド、トリエチルアルミニウム、トリイソブチルアルミニウム、トリメチルアルミニウム、又はトリス(ジエチルアミド)アルミニウムから選択される前駆体と、H2O、O2、又はO3から選択される第2の前駆体とからALDを用いて成長させた酸化アルミニウム単層とすることができる。得られた多成分コーティングは、YAlxOyを含むことができ、X及びYは、第1及び第2の層の繰り返し数に依存する。
第1の層は、トリス(N,N−ビス(トリメチルシリル)アミド)イットリウム(III)、トリス(シクロペンタジエニル)イットリウム(III)、トリス(ブチルシクロペンタジエニル)イットリウム(III)、又はトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)から選択される前駆体と、H2O、O2、又はO3から選択される第2の前駆体とからALDを用いて成長させた酸化イットリウム単層とすることができる。第2の層は、臭化ジルコニウム(IV)、塩化ジルコニウム(IV)、ジルコニウム(IV)tert−ブトキシド、テトラキス(ジエチルアミド)ジルコニウム(IV)、テトラキス(ジメチルアミド)ジルコニウム(IV)、又はテトラキス(エチルメチルアミド)ジルコニウム(IV)から選択される前駆体と、H2O、O2、又はO3から選択される第2の前駆体とからALDを用いて成長させた酸化ジルコニウム単層とすることができる。得られた多成分コーティングは、YZrxOyを含むことができ、X及びYは、第1及び第2の層の繰り返し数に依存する。
第1の層は、トリス(N,N−ビス(トリメチルシリル)アミド)イットリウム(III)、トリス(シクロペンタジエニル)イットリウム(III)、トリス(ブチルシクロペンタジエニル)イットリウム(III)、又はトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)から選択される前駆体と、H2O、O2、又はO3から選択される第2の前駆体とからALDを用いて成長させた酸化イットリウム単層とすることができる。第2の層は、臭化ジルコニウム(IV)、塩化ジルコニウム(IV)、ジルコニウム(IV)tert−ブトキシド、テトラキス(ジエチルアミド)ジルコニウム(IV)、テトラキス(ジメチルアミド)ジルコニウム(IV)、又はテトラキス(エチルメチルアミド)ジルコニウム(IV)から選択される前駆体と、H2O、O2、又はO3から選択される第2の前駆体とからALDを用いて成長させた酸化ジルコニウム単層とすることができる。少なくとも1つの追加の層は、ジエチルアルミニウムエトキシド、トリス(エチルメチルアミド)アルミニウム、アルミニウムsec−ブトキシド、アルミニウムトリブロミド、アルミニウムトリクロリド、トリエチルアルミニウム、トリイソブチルアルミニウム、トリメチルアルミニウム、又はトリス(ジエチルアミド)アルミニウムから選択される前駆体と、H2O、O2、又はO3から選択される第2の前駆体とからALDを用いて成長させた酸化アルミニウム単層とすることができる。得られた多成分コーティングは、YZrxAlyOzを含むことができ、X、Y、及びZは、第1、第2、及び少なくとも1つの追加の層の繰り返し数に依存する。
第1の層は、トリス(N,N−ビス(トリメチルシリル)アミド)イットリウム(III)、トリス(シクロペンタジエニル)イットリウム(III)、トリス(ブチルシクロペンタジエニル)イットリウム(III)、又はトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)から選択される少なくとも1つの前駆体と、H2O、O2、又はO3から選択される少なくとも1つの前駆体とからALDを用いて成長させた酸化イットリウムの厚い層とすることができる。第2の層は、前駆体のトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)及びTiF4からALDを用いて成長させたフッ化イットリウムの厚い層とすることができる。得られた多成分コーティングは、YOxFyを含むことができ、X及びYは、第1及び第2の層の繰り返し数に依存する。
第1の層は、トリス(N,N−ビス(トリメチルシリル)アミド)イットリウム(III)、トリス(シクロペンタジエニル)イットリウム(III)、トリス(ブチルシクロペンタジエニル)イットリウム(III)、又はトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)から選択される少なくとも1つの前駆体と、H2O、O2、又はO3から選択される少なくとも1つの前駆体とからALDを用いて成長させた酸化イットリウムの厚い層とすることができる。第2の層は、ジエチルアルミニウムエトキシド、トリス(エチルメチルアミド)アルミニウム、アルミニウムsec−ブトキシド、アルミニウムトリブロミド、アルミニウムトリクロリド、トリエチルアルミニウム、トリイソブチルアルミニウム、トリメチルアルミニウム、又はトリス(ジエチルアミド)アルミニウムから選択される少なくとも1つの前駆体と、H2O、O2、又はO3から選択される少なくとも1つの前駆体とからALDを用いて成長させた酸化アルミニウムの厚い層とすることができる。得られた多成分コーティングは、YAlxOyを含むことができ、X及びYは、第1及び第2の層の繰り返し数に依存する。
第1の層は、トリス(N,N−ビス(トリメチルシリル)アミド)イットリウム(III)、トリス(シクロペンタジエニル)イットリウム(III)、トリス(ブチルシクロペンタジエニル)イットリウム(III)、又はトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)から選択される少なくとも1つの前駆体と、H2O、O2、又はO3から選択される少なくとも1つの前駆体とからALDを用いて成長させた酸化イットリウムの厚い層とすることができる。第2の層は、臭化ジルコニウム(IV)、塩化ジルコニウム(IV)、ジルコニウム(IV)tert−ブトキシド、テトラキス(ジエチルアミド)ジルコニウム(IV)、テトラキス(ジメチルアミド)ジルコニウム(IV)、又はテトラキス(エチルメチルアミド)ジルコニウム(IV)から選択される少なくとも1つの前駆体と、H2O、O2、又はO3から選択される少なくとも1つの前駆体とからALDを用いて成長させた酸化ジルコニウムの厚い層とすることができる。得られた多成分コーティングは、YZrxOyを含むことができ、X及びYは、第1及び第2の層の繰り返し数に依存する。
第1の層は、トリス(N,N−ビス(トリメチルシリル)アミド)イットリウム(III)、トリス(シクロペンタジエニル)イットリウム(III)、トリス(ブチルシクロペンタジエニル)イットリウム(III)、又はトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)から選択される少なくとも1つの前駆体と、H2O、O2、又はO3から選択される少なくとも1つの前駆体とからALDを用いて成長させた酸化イットリウムの厚い層とすることができる。第2の層は、臭化ジルコニウム(IV)、塩化ジルコニウム(IV)、ジルコニウム(IV)tert−ブトキシド、テトラキス(ジエチルアミド)ジルコニウム(IV)、テトラキス(ジメチルアミド)ジルコニウム(IV)、又はテトラキス(エチルメチルアミド)ジルコニウム(IV)から選択される少なくとも1つの前駆体と、H2O、O2、又はO3から選択される少なくとも1つの前駆体とからALDを用いて成長させた酸化ジルコニウムの厚い層とすることができる。少なくとも1つの追加の層は、ジエチルアルミニウムエトキシド、トリス(エチルメチルアミド)アルミニウム、アルミニウムsec−ブトキシド、アルミニウムトリブロミド、アルミニウムトリクロリド、トリエチルアルミニウム、トリイソブチルアルミニウム、トリメチルアルミニウム、又はトリス(ジエチルアミド)アルミニウムから選択される少なくとも1つの前駆体と、H2O、O2、又はO3から選択される少なくとも1つの前駆体とからALDを用いて成長させた酸化アルミニウムの厚い層とすることができる。得られた多成分コーティングは、YZrxAlyOzを含むことができ、X、Y、及びZは、第1、第2、及び少なくとも1つの追加の層の繰り返し数に依存する。
Claims (15)
- 半導体処理チャンバコンポーネントの表面上に酸化イットリウム又はフッ化イットリウムの第1の膜層を堆積させる工程であって、第1の膜層は、原子層堆積プロセスを使用して少なくとも2つの前駆体から成長される工程と、
半導体処理チャンバコンポーネントの表面上に追加の酸化物又は追加のフッ化物の第2の膜層を堆積させる工程であって、第2の膜層は、原子層堆積プロセスを使用して少なくとも2つの追加の前駆体から成長される工程と、
第1の膜層及び第2の膜層を含む多成分組成物を形成する工程とを含む方法。 - 多成分組成物を形成する工程は、第1の膜層及び第2の膜層を含む半導体処理チャンバコンポーネントをアニーリングする工程を含む、請求項1記載の方法。
- 多成分組成物は、少なくとも1つの第1の膜層及び少なくとも1つの第2の膜層の相互拡散した固体状態相を含む、請求項2記載の方法。
- 少なくとも1つの追加の膜層を堆積させる工程を含み、少なくとも1つの追加の膜層は、酸化アルミニウム又は酸化ジルコニウムを含み、少なくとも1つの追加の膜層は、原子層堆積プロセスを用いて少なくとも1つの追加の前駆体から成長される、請求項1記載の方法。
- 第1の膜層は、第2の膜層の堆積前に堆積され、第2の膜層は、第1の膜層の上に堆積される、請求項1記載の方法。
- 第1の膜層は、酸化イットリウムを含み、2つの前駆体のうちの第1の前駆体は、トリス(N,N−ビス(トリメチルシリル)アミド)イットリウム(III)、トリス(シクロペンタジエニル)イットリウム(III)、トリス(ブチルシクロペンタジエニル)イットリウム(III)、又はトリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)のうちの少なくとも1つを含み、2つの前駆体のうちの第2の前駆体は、H2O、O2、又はO3のうちの少なくとも1つを含む、請求項1記載の方法。
- 第1の膜層は、フッ化イットリウムを含み、2つの前駆体は、トリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナト)イットリウム(III)及びTiF4を含む、請求項1記載の方法。
- 第2の膜層は、酸化アルミニウムを含み、2つの追加の前駆体のうちの第1の前駆体は、ジエチルアルミニウムエトキシド、トリス(エチルメチルアミド)アルミニウム、アルミニウムsec−ブトキシド、アルミニウムトリブロミド、アルミニウムトリクロリド、トリエチルアルミニウム、トリイソブチルアルミニウム、トリメチルアルミニウム、又はトリス(ジエチルアミド)アルミニウムのうちの少なくとも1つを含み、2つの追加の前駆体のうちの第2の前駆体は、H2O、O2、又はO3のうちの少なくとも1つを含む、請求項1記載の方法。
- 第2の膜層は、酸化ジルコニウムを含み、2つの追加の前駆体のうちの第1の前駆体は、臭化ジルコニウム(IV)、塩化ジルコニウム(IV)、ジルコニウム(IV)tert−ブトキシド、テトラキス(ジエチルアミド)ジルコニウム(IV)、テトラキス(ジメチルアミド)ジルコニウム(IV)、又はテトラキス(エチルメチルアミド)ジルコニウム(IV)のうちの少なくとも1つを含み、2つの追加の前駆体のうちの第2の前駆体は、H2O、O2、又はO3のうちの少なくとも1つを含む、請求項1記載の方法。
- 多成分組成物は、少なくとも1つの第1の膜層と少なくとも1つの第2の膜層との交互のインタクトな層を含む、請求項1記載の方法。
- 第1の膜層は、第2の膜層とは異なる厚さを有する、請求項1記載の方法。
- 第1の膜層は、均一な厚さを有する第1の厚い層であり、均一な厚さは、2つの単層の厚さから約1マイクロメートルまでの範囲であり、第2の膜層は、均一な厚さを有する第2の厚い層である、請求項1記載の方法。
- 多成分組成物は、YOxFy、YAlxOy、YZrxOy、及びYZrxAlyOzからなる群から選択される、請求項1記載の方法。
- 半導体処理チャンバコンポーネントの表面用の多成分コーティング組成物であって、
原子層堆積プロセスを使用して半導体処理チャンバコンポーネントの表面上にコーティングされた酸化イットリウム又はフッ化イットリウムの少なくとも1つの第1の膜層と、
原子層堆積プロセスを使用して半導体処理チャンバコンポーネントの表面上にコーティングされた追加の酸化物又は追加のフッ化物の少なくとも1つの第2の膜層とを含み、
多成分コーティング組成物は、YOxFy、YAlxOy、YZrxOy、及びYZrxAlyOzからなる群から選択される多成分コーティング組成物。 - 少なくとも1つの第1の膜層は第1の連続単層を含み、少なくとも1つの第2の膜層は第2の連続単層を含むか、又は
少なくとも1つの第1の膜層は、均一な厚さを有する第1の厚い層を含み、均一な厚さは、2つの単層の厚さから約1マイクロメートルまでの範囲であり、少なくとも1つの第2の膜層は、均一な厚さを有する第2の厚い層を含む、請求項14記載の多成分コーティング組成物。
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