JP2015088562A - シリコン酸炭窒化物膜、シリコン酸炭化物膜、シリコン酸窒化物膜の成膜方法および成膜装置 - Google Patents
シリコン酸炭窒化物膜、シリコン酸炭化物膜、シリコン酸窒化物膜の成膜方法および成膜装置 Download PDFInfo
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- JP2015088562A JP2015088562A JP2013224618A JP2013224618A JP2015088562A JP 2015088562 A JP2015088562 A JP 2015088562A JP 2013224618 A JP2013224618 A JP 2013224618A JP 2013224618 A JP2013224618 A JP 2013224618A JP 2015088562 A JP2015088562 A JP 2015088562A
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- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 160
- 239000010703 silicon Substances 0.000 title claims abstract description 160
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 238000000151 deposition Methods 0.000 title abstract 4
- -1 Silicon carboxyl nitride Chemical class 0.000 title abstract 3
- YENOLDYITNSPMQ-UHFFFAOYSA-N carboxysilicon Chemical compound OC([Si])=O YENOLDYITNSPMQ-UHFFFAOYSA-N 0.000 title 1
- 230000008021 deposition Effects 0.000 title 1
- 239000007789 gas Substances 0.000 claims abstract description 84
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 79
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000001301 oxygen Substances 0.000 claims abstract description 75
- 239000012686 silicon precursor Substances 0.000 claims abstract description 59
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 28
- 239000007833 carbon precursor Substances 0.000 claims abstract description 28
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 22
- 230000003647 oxidation Effects 0.000 claims abstract description 20
- 150000004767 nitrides Chemical class 0.000 claims abstract 3
- 238000000034 method Methods 0.000 claims description 104
- 229910052757 nitrogen Inorganic materials 0.000 claims description 22
- 238000005121 nitriding Methods 0.000 claims description 13
- 125000001424 substituent group Chemical group 0.000 claims description 11
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 9
- 125000003545 alkoxy group Chemical group 0.000 claims description 8
- 125000003277 amino group Chemical group 0.000 claims description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 1
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 235000012431 wafers Nutrition 0.000 description 42
- 238000010586 diagram Methods 0.000 description 24
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 239000011261 inert gas Substances 0.000 description 15
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 150000002430 hydrocarbons Chemical group 0.000 description 6
- 238000010926 purge Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 239000010453 quartz Substances 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 229910018540 Si C Inorganic materials 0.000 description 3
- 229910007991 Si-N Inorganic materials 0.000 description 3
- 229910006294 Si—N Inorganic materials 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- XYIIGELXJOZUHL-UHFFFAOYSA-N 1-(diethylaminosilyl)ethanone Chemical compound CCN(CC)[SiH2]C(C)=O XYIIGELXJOZUHL-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- WNIIKWAGJJPFCH-UHFFFAOYSA-N 2-[ethoxy(methyl)silyl]-N,N-diethylethanamine Chemical compound C(C)N(CC)CC[SiH](OCC)C WNIIKWAGJJPFCH-UHFFFAOYSA-N 0.000 description 1
- VDKSCJUPDACFBJ-UHFFFAOYSA-N 2-chloroethoxysilane Chemical compound [SiH3]OCCCl VDKSCJUPDACFBJ-UHFFFAOYSA-N 0.000 description 1
- AGCGVAMAWIJIFJ-UHFFFAOYSA-N 2-chloroethyl(ethoxy)silane Chemical compound C(C)O[SiH2]CCCl AGCGVAMAWIJIFJ-UHFFFAOYSA-N 0.000 description 1
- FAEURLDBVUARAV-UHFFFAOYSA-N 2-chloroethyl-ethoxy-methylsilane Chemical compound ClCC[SiH](OCC)C FAEURLDBVUARAV-UHFFFAOYSA-N 0.000 description 1
- PAPRSNXVWRUVJE-UHFFFAOYSA-N 2-ethoxysilyl-N,N-diethylethanamine Chemical compound C(C)N(CC)CC[SiH2]OCC PAPRSNXVWRUVJE-UHFFFAOYSA-N 0.000 description 1
- JYPBIOASSZIOJS-UHFFFAOYSA-N CCO[Si](C)(C)N(C(C)C)C(C)C Chemical compound CCO[Si](C)(C)N(C(C)C)C(C)C JYPBIOASSZIOJS-UHFFFAOYSA-N 0.000 description 1
- FHWUQVOIYYKYKO-UHFFFAOYSA-N CCO[Si](CC)(CC)N(C(C)C)C(C)C Chemical compound CCO[Si](CC)(CC)N(C(C)C)C(C)C FHWUQVOIYYKYKO-UHFFFAOYSA-N 0.000 description 1
- ALBFHZBAPDKXMC-UHFFFAOYSA-N CCO[Si](CC)(CC)N(CC)CC Chemical compound CCO[Si](CC)(CC)N(CC)CC ALBFHZBAPDKXMC-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DZGLRGVUHIIUET-UHFFFAOYSA-N N,N-diethyl-2-silyloxyethanamine Chemical compound C(C)N(CC)CCO[SiH3] DZGLRGVUHIIUET-UHFFFAOYSA-N 0.000 description 1
- ODSLMJQIXFLELC-UHFFFAOYSA-N N-(2-ethoxysilylethyl)-N-propan-2-ylpropan-2-amine Chemical compound C(C)(C)N(C(C)C)CC[SiH2]OCC ODSLMJQIXFLELC-UHFFFAOYSA-N 0.000 description 1
- OXQAAFMGUMOJJW-UHFFFAOYSA-N N-(ethoxysilylmethyl)-N-ethylethanamine Chemical compound CCO[SiH2]CN(CC)CC OXQAAFMGUMOJJW-UHFFFAOYSA-N 0.000 description 1
- IUVWGINAOXCBLO-UHFFFAOYSA-N N-(ethoxysilylmethyl)-N-propan-2-ylpropan-2-amine Chemical compound C(C)(C)N(C(C)C)C[SiH2]OCC IUVWGINAOXCBLO-UHFFFAOYSA-N 0.000 description 1
- RHFAIVLDPKMZER-UHFFFAOYSA-N N-[2-[ethoxy(methyl)silyl]ethyl]-N-propan-2-ylpropan-2-amine Chemical compound C(C)(C)N(C(C)C)CC[SiH](OCC)C RHFAIVLDPKMZER-UHFFFAOYSA-N 0.000 description 1
- JXPPVTXYXGSDTE-UHFFFAOYSA-N N-[ethoxy(dimethyl)silyl]-N-ethylethanamine Chemical compound CCO[Si](C)(C)N(CC)CC JXPPVTXYXGSDTE-UHFFFAOYSA-N 0.000 description 1
- UKNHZHFCBZYCSE-UHFFFAOYSA-N N-propan-2-yl-N-(2-silyloxyethyl)propan-2-amine Chemical compound C(C)(C)N(C(C)C)CCO[SiH3] UKNHZHFCBZYCSE-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- UMWMFAWHYBQFMJ-UHFFFAOYSA-N chloro-ethoxy-diethylsilane Chemical compound CCO[Si](Cl)(CC)CC UMWMFAWHYBQFMJ-UHFFFAOYSA-N 0.000 description 1
- RYNOURCVJXQRTJ-UHFFFAOYSA-N chloro-ethoxy-dimethylsilane Chemical compound CCO[Si](C)(C)Cl RYNOURCVJXQRTJ-UHFFFAOYSA-N 0.000 description 1
- SDSJXKVMZWTZMK-UHFFFAOYSA-N chloromethyl(ethoxy)silane Chemical compound ClC[SiH2]OCC SDSJXKVMZWTZMK-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- H—ELECTRICITY
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- 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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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- 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
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- C—CHEMISTRY; METALLURGY
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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
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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
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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
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- C23C16/40—Oxides
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- C—CHEMISTRY; METALLURGY
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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
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- 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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- 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
- C23C16/45531—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 specially adapted for making ternary or higher compositions
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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
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- 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
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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
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- H01L21/02107—Forming insulating materials on a substrate
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- 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
- H01L21/02164—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 being a silicon oxide, e.g. SiO2
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L21/0217—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 being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
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- H01L21/02205—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 the layer being characterised by the precursor material for deposition
- H01L21/02208—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 the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
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Abstract
Description
図1はこの発明の第1の実施形態に係るシリコン酸炭窒化物膜の成膜方法のシーケンスの一例を示す流れ図、図2は処理ガスの供給例を示すタイミングチャート、図3A〜図3Cはシーケンス中の被処理体の状態を模式的に示す模式図である。
DEADMEOS流 量: 300sccm
処 理 時 間: 1min
処 理 温 度: 400℃
処 理 圧 力: 133Pa(1Torr)
である。なお、本明細書においては、1Torrを133Paと定義する。
ヘキサン流 量: 200sccm
処 理 時 間: 1min
処 理 温 度: 400℃
処 理 圧 力: 133Pa(1Torr)
である。
NH3 流 量: 1000sccm
処 理 時 間: 3min
処 理 温 度: 400℃
処 理 圧 力: 133Pa(1Torr)
である。
次に、酸素を含んだ基を有したシリコンプリカーサの例について説明する。
図4A〜図4Sは、酸素を含んだ基を有したシリコンプリカーサの構造式を示す図である。
ジエチルアミノメチルエトキシシラン(DEAMEOS:図4B)
ジエチルアミノエチルエトキシシラン(DEAEEOS:図4C)
ジエチルアミノジエチルエトキシシラン(DEADEEOS:図4D)
ジエチルアミノエチルメチルエトキシシラン(DEAEMEOS:図4E)
ジエチルアミノエトキシシラン(DEAEOS:図4F)
ジイソプロピルアミノメチルエトキシシラン(DiPAMEOS:図4G)
ジイソプロピルアミノジメチルエトキシシラン(DiPADMEOS:図4H)
ジイソプロピルアミノエチルエトキシシラン(DiPAEEOS:図4I)
ジイソプロピルアミノジエチルエトキシシラン(DiPADEEOS:図4J)
ジイソプロピルアミノエチルメチルエトキシシラン(DiPAEMEOS:図4K)
ジイソプロピルアミノエトキシシラン(DiPAEOS:図4L)
モノクロルメチルエトキシシラン(MCMEOS:図4M)
モノクロルジメチルエトキシシラン(MCDMEOS:図4N)
モノクロルエチルエトキシシラン(MCEEOS:図4O)
モノクロルジエチルエトキシシラン(MCDEEOS:図4P)
モノクロルエチルメチルエトキシシラン(MCEMEOS:図4Q)
モノクロルエトキシシラン(MCEOS:図4R)
次に、酸素を含んだ基の例について説明する。
第1の実施形態においては、シリコン酸炭窒化物(SiOCN)膜を成膜する例を説明した。第2の実施形態は、シリコン酸炭化物(SiOC)膜を成膜する例である。
第3の実施形態は、シリコン酸窒化物(SiON)膜を成膜する例である。
第4の実施形態は、シリコンプリカーサおよびカーボンプリカーサの供給タイミングの変形に関している。
図8はこの発明の第4の実施形態に係るシリコン酸炭窒化物膜の成膜方法における処理ガスの供給の一例を示すタイミングチャートである。
図9はこの発明の第4の実施形態における処理ガスの供給の第1の変形例を示すタイミングチャートである。
図10はこの発明の第4の実施形態における処理ガスの供給の第2の変形例を示すタイミングチャートである。
図11はこの発明の第4の実施形態における処理ガスの供給の第3の変形例を示すタイミングチャートである。
図12Aはこの発明の第4の実施形態における処理ガスの供給の第4の変形例を示すタイミングチャートである。
次に、この発明の第1〜第4の実施形態に係るシリコン酸炭窒化物膜、シリコン酸炭化物膜、シリコン酸窒化物膜の成膜方法を実施することが可能な成膜装置の例を、この発明の第5の実施形態として説明する。
図13はこの発明の第5の実施形態に係る成膜装置の第1の例を概略的に示す縦断面図である。
図14はこの発明の第5の実施形態に係る成膜装置の第2の例を概略的に示す水平断面図である。
Claims (20)
- (1) 被処理体の被処理面上に、酸素を含んだ基を有したシリコンプリカーサを含むガスを供給し、
(2) 前記被処理面上に、カーボンプリカーサを含むガスを供給し、
(3) 前記(1)に記載される工程および前記(2)に記載される工程を経た前記被処理面上に、窒化ガスを供給し、
前記(1)に記載される工程から前記(3)に記載される工程により、前記被処理面上に、酸化工程を経ることなく、シリコン酸炭窒化物膜を形成することを特徴とするシリコン酸炭窒化物膜の成膜方法。 - 前記(2)に記載される工程は、前記(1)に記載される工程の後、実施することを特徴とする請求項1に記載のシリコン酸炭窒化物膜の成膜方法。
- 前記(2)に記載される工程は、前記(1)に記載される工程とオーバーラップさせて実施することを特徴とする請求項1に記載のシリコン酸炭窒化物膜の成膜方法。
- 前記酸素を含んだ基が、アルコキシ基、又はカルボニル基であることを特徴とする請求項1から請求項3のいずれか一項に記載のシリコン酸炭窒化物膜の成膜方法。
- 前記酸素を含んだ基を有したシリコンプリカーサが置換基をさらに有し、前記置換基が水素、炭化水素基、アミノ基、およびハロゲンの少なくとも一つを含むことを特徴とする請求項1から請求項4のいずれか一項に記載のシリコン酸炭窒化物膜の成膜方法。
- 前記シリコン酸炭窒化物膜の膜厚が設計値に達するまで、前記(1)に記載される工程から前記(3)に記載される工程を繰り返すことを特徴とする請求項1から請求項5のいずれか一項に記載のシリコン酸炭窒化物膜の成膜方法。
- 前記シリコン酸炭窒化物膜に含まれるカーボンおよび窒素の割合がともに10%以上であることを特徴とする請求項1から請求項6のいずれか一項に記載のシリコン酸炭窒化物膜の成膜方法。
- (1) 被処理体の被処理面上に、酸素を含んだ基を有したシリコンプリカーサを含むガスを供給し、
(2) 前記被処理面上に、カーボンプリカーサを含むガスを供給し、
前記(1)に記載される工程および前記(2)に記載される工程により、前記被処理面上に、酸化工程を経ることなく、シリコン酸炭化物膜を形成することを特徴とするシリコン酸炭化物膜の成膜方法。 - 前記(2)に記載される工程は、前記(1)に記載される工程の後、実施することを特徴とする請求項8に記載のシリコン酸炭化物膜の成膜方法。
- 前記(2)に記載される工程は、前記(1)に記載される工程とオーバーラップさせて実施することを特徴とする請求項8に記載のシリコン酸炭化物膜の成膜方法。
- 前記酸素を含んだ基が、アルコキシ基、又はカルボニル基であることを特徴とする請求項8から請求項10のいずれか一項に記載のシリコン酸炭化物膜の成膜方法。
- 前記酸素を含んだ基を有したシリコンプリカーサが置換基をさらに有し、前記置換基が水素、炭化水素基、アミノ基、およびハロゲンの少なくとも一つを含むことを特徴とする請求項8から請求項11のいずれか一項に記載のシリコン酸炭化物膜の成膜方法。
- 前記シリコン酸炭化物膜の膜厚が設計値に達するまで、前記(1)に記載される工程および前記(2)に記載される工程を繰り返すことを特徴とする請求項8から請求項12のいずれか一項に記載のシリコン酸炭化物膜の成膜方法。
- 前記シリコン酸炭化物膜に含まれるカーボンの割合が10%以上であることを特徴とする請求項8から請求項13のいずれか一項に記載のシリコン酸炭化物膜の成膜方法。
- (1) 被処理体の被処理面上に、酸素を含んだ基を有したシリコンプリカーサを供給し、
(2) 前記(1)に記載される工程を経た前記被処理面上に、窒化ガスを供給し、
前記(1)に記載される工程および前記(2)に記載される工程により、前記被処理面上に、酸化工程を経ることなく、シリコン酸窒化物膜を形成することを特徴とするシリコン酸窒化物膜の成膜方法。 - 前記酸素を含んだ基が、アルコキシ基、又はカルボニル基であることを特徴とする請求項15に記載のシリコン酸窒化物膜の成膜方法。
- 前記酸素を含んだ基を有したシリコンプリカーサがさらに置換基を有し、前記置換基が水素、炭化水素基、アミノ基、およびハロゲンの少なくとも一つを含むことを特徴とする請求項15又は請求項16に記載のシリコン酸窒化物膜の成膜方法。
- 前記シリコン酸窒化物膜の膜厚が設計値に達するまで、前記(1)に記載される工程および前記(2)に記載される工程を繰り返すことを特徴とする請求項15から請求項17のいずれか一項に記載のシリコン酸窒化物膜の成膜方法。
- 前記シリコン酸窒化物膜に含まれる窒素の割合が10%以上であることを特徴とする請求項15から請求項18のいずれか一項に記載のシリコン酸窒化物膜の成膜方法。
- 被処理体上に、シリコン酸炭窒化物膜、又はシリコン酸炭化物膜、又はシリコン酸窒化物膜を成膜する成膜装置であって、
前記シリコン酸炭窒化物膜、又は前記シリコン酸炭化物膜、又は前記シリコン酸窒化物膜が形成される被処理面を有した前記被処理体を収容する処理室と、
前記処理室内に、処理に使用するガスを供給する処理ガス供給機構と、
前記処理ガス供給機構を制御するコントローラと、を具備し、
前記コントローラが、請求項1から請求項19のいずれか一項に記載のシリコン酸炭窒化物膜の成膜方法、又はシリコン酸炭化物膜の成膜方法、又はシリコン酸窒化物膜の成膜方法が実施されるように前記処理ガス供給機構を制御することを特徴とする成膜装置。
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US9425038B2 (en) | 2016-08-23 |
US20150118865A1 (en) | 2015-04-30 |
JP6246558B2 (ja) | 2017-12-13 |
KR101874667B1 (ko) | 2018-07-04 |
KR20150050432A (ko) | 2015-05-08 |
TWI561667B (en) | 2016-12-11 |
TW201522700A (zh) | 2015-06-16 |
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