JP6986633B2 - シリコン含有薄膜蒸着用組成物およびそれを用いたシリコン含有薄膜の製造方法 - Google Patents
シリコン含有薄膜蒸着用組成物およびそれを用いたシリコン含有薄膜の製造方法 Download PDFInfo
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- JP6986633B2 JP6986633B2 JP2020528179A JP2020528179A JP6986633B2 JP 6986633 B2 JP6986633 B2 JP 6986633B2 JP 2020528179 A JP2020528179 A JP 2020528179A JP 2020528179 A JP2020528179 A JP 2020528179A JP 6986633 B2 JP6986633 B2 JP 6986633B2
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- 239000010409 thin film Substances 0.000 title claims description 157
- 229910052710 silicon Inorganic materials 0.000 title claims description 124
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 123
- 239000010703 silicon Substances 0.000 title claims description 123
- 238000007740 vapor deposition Methods 0.000 title claims description 120
- 238000004519 manufacturing process Methods 0.000 title claims description 64
- 239000000203 mixture Substances 0.000 title claims description 41
- 239000010408 film Substances 0.000 claims description 127
- 238000000034 method Methods 0.000 claims description 58
- -1 trisilylamine compound Chemical class 0.000 claims description 56
- 239000000758 substrate Substances 0.000 claims description 50
- 239000012495 reaction gas Substances 0.000 claims description 49
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 45
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 44
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 41
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 41
- 239000000126 substance Substances 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 33
- 230000035699 permeability Effects 0.000 claims description 23
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 17
- 239000011261 inert gas Substances 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 12
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 11
- 229910052786 argon Inorganic materials 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 150000004985 diamines Chemical class 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000001307 helium Substances 0.000 claims description 4
- 229910052734 helium Inorganic materials 0.000 claims description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 4
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- WTXXSZUATXIAJO-OWBHPGMISA-N (Z)-14-methylpentadec-2-enoic acid Chemical compound CC(CCCCCCCCCC\C=C/C(=O)O)C WTXXSZUATXIAJO-OWBHPGMISA-N 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 238000000231 atomic layer deposition Methods 0.000 description 42
- 230000015572 biosynthetic process Effects 0.000 description 26
- 238000004458 analytical method Methods 0.000 description 24
- 230000000052 comparative effect Effects 0.000 description 21
- QOUOJWYVMLUUEI-UHFFFAOYSA-N CN(C)C[SiH2]N([SiH2]C)[SiH2]C Chemical compound CN(C)C[SiH2]N([SiH2]C)[SiH2]C QOUOJWYVMLUUEI-UHFFFAOYSA-N 0.000 description 19
- 238000000151 deposition Methods 0.000 description 17
- 238000011156 evaluation Methods 0.000 description 17
- 238000010926 purge Methods 0.000 description 15
- 239000012686 silicon precursor Substances 0.000 description 12
- 238000000427 thin-film deposition Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000008021 deposition Effects 0.000 description 7
- 239000002243 precursor Substances 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 239000008393 encapsulating agent Substances 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- WPJFCTUAYPCFPN-UHFFFAOYSA-N CN(C)N([SiH2]C)N(C)C Chemical compound CN(C)N([SiH2]C)N(C)C WPJFCTUAYPCFPN-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000003446 ligand Substances 0.000 description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- CJUPWMKNOHDFQU-UHFFFAOYSA-N N-[[bis(dimethylsilyl)amino]-dimethylsilyl]-N-methylmethanamine Chemical compound CN(C)[Si](C)(C)N([SiH](C)C)[SiH](C)C CJUPWMKNOHDFQU-UHFFFAOYSA-N 0.000 description 2
- 229910018557 Si O Inorganic materials 0.000 description 2
- 229910007991 Si-N Inorganic materials 0.000 description 2
- 229910006294 Si—N Inorganic materials 0.000 description 2
- VOSJXMPCFODQAR-UHFFFAOYSA-N ac1l3fa4 Chemical compound [SiH3]N([SiH3])[SiH3] VOSJXMPCFODQAR-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 2
- UWGIJJRGSGDBFJ-UHFFFAOYSA-N dichloromethylsilane Chemical compound [SiH3]C(Cl)Cl UWGIJJRGSGDBFJ-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 150000002429 hydrazines Chemical class 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- SIAPCJWMELPYOE-UHFFFAOYSA-N lithium hydride Chemical compound [LiH] SIAPCJWMELPYOE-UHFFFAOYSA-N 0.000 description 2
- 229910000103 lithium hydride Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 230000003685 thermal hair damage Effects 0.000 description 2
- 238000002411 thermogravimetry Methods 0.000 description 2
- FWLZTHHXAQKLPX-UHFFFAOYSA-N CCC[SH2]N(CC(C)[SH2]N(C)C)[SH2]C Chemical compound CCC[SH2]N(CC(C)[SH2]N(C)C)[SH2]C FWLZTHHXAQKLPX-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910005540 GaP Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- BIVNKSDKIFWKFA-UHFFFAOYSA-N N-propan-2-yl-N-silylpropan-2-amine Chemical compound CC(C)N([SiH3])C(C)C BIVNKSDKIFWKFA-UHFFFAOYSA-N 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910018540 Si C Inorganic materials 0.000 description 1
- 229910003811 SiGeC Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 1
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- XKLVLDXNZDIDKQ-UHFFFAOYSA-N butylhydrazine Chemical compound CCCCNN XKLVLDXNZDIDKQ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- KTQYJQFGNYHXMB-UHFFFAOYSA-N dichloro(methyl)silicon Chemical compound C[Si](Cl)Cl KTQYJQFGNYHXMB-UHFFFAOYSA-N 0.000 description 1
- BUMGIEFFCMBQDG-UHFFFAOYSA-N dichlorosilicon Chemical compound Cl[Si]Cl BUMGIEFFCMBQDG-UHFFFAOYSA-N 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- JQOAQUXIUNVRQW-UHFFFAOYSA-N hexane Chemical compound CCCCCC.CCCCCC JQOAQUXIUNVRQW-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- DATIMHCCPUZBTD-UHFFFAOYSA-N pentane Chemical compound CCCCC.CCCCC DATIMHCCPUZBTD-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- LXEXBJXDGVGRAR-UHFFFAOYSA-N trichloro(trichlorosilyl)silane Chemical compound Cl[Si](Cl)(Cl)[Si](Cl)(Cl)Cl LXEXBJXDGVGRAR-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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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
- C23C16/22—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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/027—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/10—Compounds having one or more C—Si linkages containing nitrogen having a Si-N linkage
-
- 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
- C23C16/32—Carbides
- C23C16/325—Silicon carbide
-
- 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
- C23C16/34—Nitrides
- C23C16/345—Silicon nitride
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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
- C23C16/22—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
- C23C16/401—Oxides containing silicon
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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
- C23C16/22—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
- C23C16/401—Oxides containing silicon
- C23C16/402—Silicon dioxide
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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
- C23C16/45536—Use of plasma, radiation or electromagnetic fields
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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
- C23C16/45536—Use of plasma, radiation or electromagnetic fields
- C23C16/45542—Plasma being used non-continuously during the ALD reactions
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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]
- C23C16/45553—Atomic layer deposition [ALD] characterized by the use of precursors specially adapted for ALD
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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
- C23C16/46—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 heating the substrate
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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
- C23C16/50—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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Description
公知のプラズマ強化原子層蒸着(PEALD)法を用いる通常のプラズマ強化原子層蒸着(PEALD)装置にて、シリコン酸化膜を形成するための組成物として、実施例1で製造されたビス(メチルシリル)ジメチルアミノメチルシリルアミンを使用して成膜評価を行った。反応ガスとしては、プラズマとともに酸素を使用し、不活性気体であるアルゴンはパージのために使用した。反応ガスおよびプラズマ時間1.5秒で、成膜評価を実施した。蒸着回数は270サイクルを進行し、表1に具体的なシリコン酸化膜の蒸着方法を示した。
公知のプラズマ強化原子層蒸着(PEALD)法を用いる通常のプラズマ強化原子層蒸着(PEALD)装置にて、シリコン酸化膜を形成するための組成物として、実施例1で製造されたビス(メチルシリル)ジメチルアミノメチルシリルアミンを使用して成膜評価を行った。反応ガスとしては、プラズマとともに酸素を使用し、不活性気体であるアルゴンはパージのために使用した。反応ガスおよびプラズマ時間1.5秒で、成膜評価を実施した。蒸着回数は188サイクルを進行し、表1に具体的なシリコン酸化膜の蒸着方法を示した。また、図3に、蒸着された膜を赤外分光計により分析した結果を示した。
公知のプラズマ強化原子層蒸着(PEALD)法を用いる通常のプラズマ強化原子層蒸着(PEALD)装置にて、シリコン酸化膜を形成するための組成物として、実施例1で製造されたビス(メチルシリル)ジメチルアミノメチルシリルアミンを使用して成膜評価を行った。反応ガスとしては、プラズマとともに酸素を使用し、不活性気体であるアルゴンはパージのために使用した。反応ガスおよびプラズマ時間1.5秒で、成膜評価を実施した。蒸着回数は113サイクルを進行し、表1に具体的なシリコン酸化膜の蒸着方法を示した。また、図3に、蒸着された膜を赤外分光計により分析した結果を示した。
公知のプラズマ強化原子層蒸着(PEALD)法を用いる通常のプラズマ強化原子層蒸着(PEALD)装置にて、シリコン酸化膜を形成するための組成物として、実施例1で製造されたビス(メチルシリル)ジメチルアミノメチルシリルアミンを使用して成膜評価を行った。反応ガスとしては、プラズマとともに酸素を使用し、不活性気体であるアルゴンはパージのために使用した。反応ガスおよびプラズマ時間1.5秒で、成膜評価を実施した。蒸着回数は82サイクルを進行し、表1に具体的なシリコン酸化膜の蒸着方法を示した。また、図3に、蒸着された膜を赤外分光計により分析した結果を示した。
公知のプラズマ強化原子層蒸着(PEALD)法を用いる通常のプラズマ強化原子層蒸着(PEALD)装置にて、シリコン酸化膜を形成するための比較例として、ジメチルアミノジメチルシリルビスジメチルシリル化合物を使用して成膜評価を行った。反応ガスとしては、プラズマとともに酸素を使用し、不活性気体であるアルゴンはパージのために使用した。反応ガスおよびプラズマ時間1.5秒で、成膜評価を実施した。表1に具体的なシリコン酸化膜の蒸着方法を示した。
公知のプラズマ強化原子層蒸着(PEALD)法を用いる通常のプラズマ強化原子層蒸着(PEALD)装置にて、シリコン酸化膜を形成するための比較例として、ビスジエチルアミノシラン化合物を使用して成膜評価を行った。反応ガスとしては、プラズマとともに酸素を使用し、不活性気体であるアルゴンはパージのために使用した。反応ガスおよびプラズマ時間1.0秒で、成膜評価を実施した。表1に具体的なシリコン酸化膜の蒸着方法を示した。
公知のプラズマ強化原子層蒸着(PEALD)法を用いる通常のプラズマ強化原子層蒸着(PEALD)装置にて、シリコン窒化膜を形成するための組成物として、実施例1で製造されたビス(メチルシリル)ジメチルアミノメチルシリルアミンを使用して成膜評価を行った。反応ガスとしては、プラズマとともにアンモニアおよび窒素を使用し、不活性気体である窒素はパージのために使用した。反応ガスおよびプラズマ時間を変更して成膜評価を実施した。表3に具体的なシリコン窒化膜の蒸着方法を示した。
表3に示したように、アンモニア反応ガスおよびプラズマ時間0.8秒、窒素反応ガスおよびプラズマ時間1.5秒としたことを除き、実施例6で進行した条件と同様の蒸着条件下で公知のプラズマ原子層蒸着(PEALD)法により成膜評価を行い、蒸着された薄膜は、実施例6と同様の分析方法および条件で行って分析結果を確保した。以下の表3および4に、具体的なシリコン窒化膜の蒸着方法および分析結果を示した。また、図4に、蒸着された膜を赤外分光計により分析して示した。
表3に示したように、RFパワー800W、アンモニア反応ガスおよびプラズマ時間0.6秒、窒素反応ガスおよびプラズマ時間1.0秒としたことを除き、実施例6で進行された条件と同様の蒸着条件下で公知のプラズマ原子層蒸着(PEALD)法により成膜評価を行い、蒸着された薄膜は、実施例6と同様の分析方法および条件で行って分析結果を確保した。以下の表3および4に、具体的なシリコン窒化膜の蒸着方法および分析結果を示した。また、図4に、蒸着された膜を赤外分光計により分析して示した。
表3に示したように、RFパワー800W、アンモニア反応ガスおよびプラズマ時間0.6秒、窒素反応ガスおよびプラズマ時間0.8秒としたことを除き、実施例6で進行された条件と同様の蒸着条件下で公知のプラズマ原子層蒸着(PEALD)法により成膜評価を行い、蒸着された薄膜は、実施例6と同様の分析方法および条件で行って分析結果を確保した。以下の表3および4に、具体的なシリコン窒化膜の蒸着方法および分析結果を示した。また、図4に、蒸着された膜を赤外分光計により分析して示した。
公知のプラズマ強化原子層蒸着(PEALD)法を用いる通常のプラズマ強化原子層蒸着(PEALD)装置にて、シリコン窒化膜を形成するための組成物として、実施例1で製造されたビス(メチルシリル)ジメチルアミノメチルシリルアミンを使用して成膜評価を行った。反応ガスとしては、プラズマとともにアンモニアおよび窒素を使用し、不活性気体である窒素はパージのために使用した。反応ガスおよびプラズマ時間を変更して成膜評価を実施した。表3に具体的なシリコン窒化膜の蒸着方法を示した。
公知のプラズマ強化原子層蒸着(PEALD)法を用いる通常のプラズマ強化原子層蒸着(PEALD)装置にて、シリコン窒化膜を形成するための組成物として、実施例1で製造されたビス(メチルシリル)ジメチルアミノメチルシリルアミンを使用して成膜評価を行った。反応ガスとしては、プラズマとともにアンモニアおよび窒素を使用し、不活性気体である窒素はパージのために使用した。反応ガスおよびプラズマ時間を変更して成膜評価を実施した。表3に具体的なシリコン窒化膜の蒸着方法を示した。
Claims (12)
- 前記蒸着対象基材の温度が95℃以下である、請求項2に記載のシリコン含有薄膜の製
造方法。 - 前記シリコン含有薄膜がシリコン窒化膜であり、前記シリコン含有薄膜の蒸着速度が8Å/分以上である、請求項2に記載のシリコン含有薄膜の製造方法。
- 前記シリコン含有薄膜がシリコン酸化膜であり、前記シリコン含有薄膜の蒸着速度が70Å/分以上である、請求項2に記載のシリコン含有薄膜の製造方法。
- 前記トリシリルアミン化合物の供給前、供給中、または供給後に、酸素(O2)、オゾン(O3)、蒸留水(H2O)、過酸化水素(H2O2)、一酸化窒素(NO)、亜酸化窒素(N2O)、二酸化窒素(NO2)、アンモニア(NH3)、窒素(N2)、ヒドラジン(N2H4)、ヒドラジン誘導体、ジアミン、一酸化炭素(CO)、二酸化炭素(CO2)、C1〜C12の飽和または不飽和炭化水素、水素、アルゴン、およびヘリウムから選択される何れか1つまたは2つ以上のガスが供給される、請求項2に記載のシリコン含有薄膜の製造方法。
- a)チャンバー内に位置する蒸着対象基材を、100℃未満の蒸着温度に加熱および維持するステップと、
b)前記蒸着対象基材に前記トリシリルアミン化合物を接触させ、前記蒸着対象基材に吸着させるステップと、
c)前記トリシリルアミン化合物が吸着された蒸着対象基材に反応ガスを注入するステップと、を含む、請求項2に記載のシリコン含有薄膜の製造方法。 - 前記a)〜c)ステップを1サイクルとし、サイクル当たりのシリコン窒化膜の蒸着速度が0.65Å/cycle以上である、請求項7に記載のシリコン含有薄膜の製造方法。
- 前記a)〜c)ステップを1サイクルとし、サイクル当たりのシリコン酸化膜の蒸着速度が2.5Å/cycle以上である、請求項7に記載のシリコン含有薄膜の製造方法。
- 前記反応ガスは、含酸素ガス、含窒素ガス、含炭素ガス、不活性ガス、またはこれらの混合ガスから選択され、プラズマ活性化されたガスである、請求項7に記載のシリコン含有薄膜の製造方法。
- シリコン含有薄膜は、シリコンオキシド薄膜、シリコンオキシカーバイド薄膜、シリコンカルボニトリド薄膜、シリコンニトリド薄膜、シリコンオキシニトリド薄膜、シリコンオキシカルボニトリド薄膜、およびシリコンカーバイド薄膜から選択される1つまたは2つ以上である、請求項2に記載のシリコン含有薄膜の製造方法。
- 請求項2から11の何れか一項に記載の製造方法により製造され、5.02*10−3〜1.50*10−1g/[m2−day]の透湿度を有するシリコン酸化膜または1.6*10−3〜4.2*10−3g/[m2−day]の透湿度を有するシリコン窒化膜である、シリコン含有薄膜。
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