JP6018125B2 - 新規なアミノシリルアミン化合物、その製造方法、及びそれを用いたシリコン含有薄膜 - Google Patents
新規なアミノシリルアミン化合物、その製造方法、及びそれを用いたシリコン含有薄膜 Download PDFInfo
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- JP6018125B2 JP6018125B2 JP2014118770A JP2014118770A JP6018125B2 JP 6018125 B2 JP6018125 B2 JP 6018125B2 JP 2014118770 A JP2014118770 A JP 2014118770A JP 2014118770 A JP2014118770 A JP 2014118770A JP 6018125 B2 JP6018125 B2 JP 6018125B2
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 49
- 229910052710 silicon Inorganic materials 0.000 title claims description 48
- 239000010703 silicon Substances 0.000 title claims description 48
- -1 aminosilylamine compound Chemical class 0.000 title claims description 39
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000010409 thin film Substances 0.000 title description 73
- 239000000126 substance Substances 0.000 claims description 53
- 150000001875 compounds Chemical class 0.000 claims description 28
- 125000003342 alkenyl group Chemical group 0.000 claims description 21
- 125000000304 alkynyl group Chemical group 0.000 claims description 21
- 229910052739 hydrogen Inorganic materials 0.000 claims description 21
- 239000001257 hydrogen Substances 0.000 claims description 21
- 125000006701 (C1-C7) alkyl group Chemical group 0.000 claims description 20
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- 125000003118 aryl group Chemical group 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 229910052736 halogen Inorganic materials 0.000 claims description 16
- 150000002367 halogens Chemical class 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 238000000427 thin-film deposition Methods 0.000 claims description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 9
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 8
- UUEVFMOUBSLVJW-UHFFFAOYSA-N oxo-[[1-[2-[2-[2-[4-(oxoazaniumylmethylidene)pyridin-1-yl]ethoxy]ethoxy]ethyl]pyridin-4-ylidene]methyl]azanium;dibromide Chemical compound [Br-].[Br-].C1=CC(=C[NH+]=O)C=CN1CCOCCOCCN1C=CC(=C[NH+]=O)C=C1 UUEVFMOUBSLVJW-UHFFFAOYSA-N 0.000 claims description 8
- 125000006376 (C3-C10) cycloalkyl group Chemical group 0.000 claims description 6
- 125000006272 (C3-C7) cycloalkyl group Chemical group 0.000 claims description 6
- 125000003545 alkoxy group Chemical group 0.000 claims description 5
- 125000006729 (C2-C5) alkenyl group Chemical group 0.000 claims description 4
- 125000006730 (C2-C5) alkynyl group Chemical group 0.000 claims description 4
- 125000004104 aryloxy group Chemical group 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 125000006555 (C3-C5) cycloalkyl group Chemical group 0.000 claims description 2
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims description 2
- 125000000041 C6-C10 aryl group Chemical group 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 32
- 239000010408 film Substances 0.000 description 30
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 29
- 239000000706 filtrate Substances 0.000 description 18
- 238000000231 atomic layer deposition Methods 0.000 description 17
- 229910052581 Si3N4 Inorganic materials 0.000 description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 15
- 229910052814 silicon oxide Inorganic materials 0.000 description 15
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000000151 deposition Methods 0.000 description 11
- 239000002904 solvent Substances 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 10
- 230000008021 deposition Effects 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 9
- 238000004817 gas chromatography Methods 0.000 description 8
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 8
- 238000005229 chemical vapour deposition Methods 0.000 description 7
- 238000004821 distillation Methods 0.000 description 7
- 239000002243 precursor Substances 0.000 description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- 238000005160 1H NMR spectroscopy Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 6
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000007740 vapor deposition Methods 0.000 description 6
- CMPZGEDWTQCZGR-UHFFFAOYSA-N N-[dimethyl-(silylamino)silyl]-N-ethylethanamine Chemical compound CCN(CC)[Si](C)(C)N[SiH3] CMPZGEDWTQCZGR-UHFFFAOYSA-N 0.000 description 5
- 238000005481 NMR spectroscopy Methods 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 5
- FIRQYUPQXNPTKO-UHFFFAOYSA-N ctk0i2755 Chemical class N[SiH2]N FIRQYUPQXNPTKO-UHFFFAOYSA-N 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 238000002411 thermogravimetry Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 4
- 238000009530 blood pressure measurement Methods 0.000 description 4
- 239000012495 reaction gas Substances 0.000 description 4
- 239000012686 silicon precursor Substances 0.000 description 4
- 238000001577 simple distillation Methods 0.000 description 4
- 238000005292 vacuum distillation Methods 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- XHQONEXRSBSWIT-UHFFFAOYSA-N N,N-dimethyl-1-(silylamino)silylmethanamine Chemical compound CN(C)C[SiH2]N[SiH3] XHQONEXRSBSWIT-UHFFFAOYSA-N 0.000 description 3
- HMIJBBGSNJQULX-UHFFFAOYSA-N N-[dimethyl-(silylamino)silyl]-N-methylmethanamine Chemical compound CN(C)[Si](C)(C)N[SiH3] HMIJBBGSNJQULX-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 3
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- VDOSQBVLILDEHM-UHFFFAOYSA-N [chloro-methyl-(silylamino)silyl]methane Chemical compound C[Si](C)(Cl)N[SiH3] VDOSQBVLILDEHM-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- UWGIJJRGSGDBFJ-UHFFFAOYSA-N dichloromethylsilane Chemical compound [SiH3]C(Cl)Cl UWGIJJRGSGDBFJ-UHFFFAOYSA-N 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000007736 thin film deposition technique Methods 0.000 description 2
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 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
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 229910008051 Si-OH Inorganic materials 0.000 description 1
- 229910006358 Si—OH Inorganic materials 0.000 description 1
- VOSJXMPCFODQAR-UHFFFAOYSA-N ac1l3fa4 Chemical compound [SiH3]N([SiH3])[SiH3] VOSJXMPCFODQAR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- ARQRPTNYUOLOGH-UHFFFAOYSA-N chcl3 chloroform Chemical compound ClC(Cl)Cl.ClC(Cl)Cl ARQRPTNYUOLOGH-UHFFFAOYSA-N 0.000 description 1
- ZAQNUHGJZMDYFN-UHFFFAOYSA-N chloro-(silylamino)silylmethane Chemical compound [SiH3]N[SiH2]CCl ZAQNUHGJZMDYFN-UHFFFAOYSA-N 0.000 description 1
- YGHUUVGIRWMJGE-UHFFFAOYSA-N chlorodimethylsilane Chemical compound C[SiH](C)Cl YGHUUVGIRWMJGE-UHFFFAOYSA-N 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005137 deposition process Methods 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
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- NCFSDGWPAKOPOU-UHFFFAOYSA-N n-ethylethanamine;lithium Chemical compound [Li].CCNCC NCFSDGWPAKOPOU-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 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
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 125000006850 spacer group Chemical group 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
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02167—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 carbide not containing oxygen, e.g. SiC, SiC:H or silicon carbonitrides
-
- 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
- C23C16/34—Nitrides
- C23C16/345—Silicon nitride
-
- 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
- C23C16/347—Carbon nitride
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/0217—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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- 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
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- 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
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- 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
- H01L21/02219—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 the compound comprising silicon and nitrogen
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- 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
- H01L21/02274—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 in the presence of a plasma [PECVD]
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- H01L21/02107—Forming insulating materials on a substrate
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Description
R1〜R5は、互いに独立して、水素、ハロゲン、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、(C3‐C7)シクロアルキル、または(C6‐C12)アリールであり、
R6〜R7は、互いに独立して、水素、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、(C3‐C10)シクロアルキル、または(C6‐C12)アリールであり;
但し、R1〜R7の全てがメチルの場合は除き;
前記R1〜R5のアルキル、アルケニル、アルキニル、シクロアルキル、アリール及びR6〜R7のアルキル、アルケニル、アルキニル、シクロアルキル、アリールは、ハロゲン、(C1‐C7)アルキル、(C1‐C7)アルコキシ、または(C1‐C7)アリールオキシでさらに置換されていてもよい。)
N(R8)(R9)(R10)
R8〜R10は、互いに独立して、(C1‐C7)アルキルであり;
R1〜R5は、互いに独立して、水素、ハロゲン、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、(C3‐C7)シクロアルキル、または(C6‐C12)アリールであり、
R6〜R7は、互いに独立して、水素、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、(C3‐C10)シクロアルキル、または(C6‐C12)アリールであり;
但し、R1〜R7の全てがメチルの場合は除き;
前記R1〜R5のアルキル、アルケニル、アルキニル、シクロアルキル、アリール及びR6〜R7のアルキル、アルケニル、アルキニル、シクロアルキル、アリールは、ハロゲン、(C1‐C7)アルキル、(C1‐C7)アルコキシ、または(C1‐C7)アリールオキシでさらに置換されていてもよく;
X1はハロゲンである。)
MX11
HN(R6)(R7)
Mは、B、Al、またはSnであり;
R11〜R13は、互いに独立して、(C1‐C7)アルキルであり;
R4〜R5は、互いに独立して、水素、ハロゲン、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、(C3‐C7)シクロアルキル、または(C6‐C12)アリールであり、
R6〜R7は、互いに独立して、水素、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、(C3‐C10)シクロアルキル、または(C6‐C12)アリールであり;
X11及びX12は、互いに独立して、ハロゲンである。)
無水及び不活性雰囲気下で火炎乾燥された2000mLのシュレンクフラスコにヘキサメチルジシラザン(((CH3)3Si)2NH)250g(1.55mol)及びアルミニウムクロライド(AlCl3)10g(0.075mol)を入れて撹拌しながら、ジクロロジメチルシラン((CH3)2SiCl2)499.80g(3.87mol)を25℃に維持しながら徐々に添加した後、反応溶液を徐々に40℃に昇温させた。この混合反応溶液を3時間撹拌し、生成されたクロロトリメチルシラン((CH3)3SiCl)及び過量添加されたジクロロジメチルシラン((CH3)2SiCl2)を単蒸留または減圧蒸溜により除去した。回収されたクロロジメチルジシラザン(((CH3)2SiCl)2NH))溶液を撹拌しながら、ジエチルアミン((CH3CH2)2NH)475.45g(6.5mol)を−15℃に維持しながら徐々に添加した。添加が完了した後、反応溶液を徐々に常温に昇温し、常温で6時間撹拌した。濾過して生成された白色固体を除去した後、濾過液を得た。この濾過液から溶媒を減圧下で除去し、減圧蒸溜によりジエチルアミノジメチルジシラザン((CH3)2SiN(CH2CH3)2)2NH)319.90g(1.16mol)を得た(収率75%)。
無水及び不活性雰囲気下で火炎乾燥された2000mLのシュレンクフラスコにヘキサメチルジシラザン(((CH3)3Si)2NH)250g(1.55mol)及びアルミニウムクロライド(AlCl3)10g(0.075mol)を入れて撹拌しながら、ジクロロジメチルシラン((CH3)2SiCl2)499.80g(3.87mol)を25℃に維持しながら徐々に添加した後、反応溶液を徐々に40℃に昇温させた。この混合反応溶液を3時間撹拌し、生成されたクロロトリメチルシラン((CH3)3SiCl)及び過量添加されたジクロロジメチルシラン((CH3)2SiCl2)を単蒸留または減圧蒸溜により除去した。回収されたクロロジメチルジシラザン(((CH3)2SiCl)2NH))溶液を撹拌しながら、ジメチルアミン((CH3)2NH)168.52g(4.2mol)を−15℃に維持しながら徐々に添加した。添加が完了した後、反応溶液を徐々に常温に昇温し、常温で6時間撹拌した。濾過して生成された白色固体を除去した後、濾過液を得た。この濾過液から溶媒を減圧下で除去し、減圧蒸溜によりジメチルアミノジメチルジシラザン((CH3SiHN(CH3)2)2NH)146.51g(0.74mol)を得た(収率75%)。
無水及び不活性雰囲気下で火炎乾燥された2000mLのフラスコに実施例1で合成されたジエチルアミノジメチルジシラザン((CH3)2SiN(CH2CH3)2)2NH)180g(0.65mol)及び有機溶媒n‐ヘキサン200mlを入れて撹拌しながら、2.29M濃度のノルマルブチルリチウム(n‐C4H9Li)ヘキサン(C6H14)溶液202.16g(0.65mol)を−15℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に常温に昇温し、12時間撹拌した後、テトラヒドロフラン(O(C2H2)2)200mlを添加した。この反応溶液にクロロトリメチルシラン70.94g(0.65mol)を−20℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に昇温し、65℃に維持しながら12時間撹拌した。反応が終わった反応混合物を濾過して生成された白色固体を除去した後、濾過液を得た。この濾過液から溶媒を減圧下で除去し、減圧蒸溜によりビスジエチルアミノジメチルシリルトリメチルシリルアミン((CH3)3SiN(Si(CH3)2N(CH2CH3)2)2)159g(0.46mol)を得た(収率70%)。
無水及び不活性雰囲気下で火炎乾燥された2000mLのフラスコに実施例2で合成されたジメチルアミノジメチルジシラザン((CH3)2SiN(CH3)2)2NH)140g(0.64mol)及び有機溶媒n‐ヘキサン200mlを入れて撹拌しながら、2.29M濃度のノルマルブチルリチウム(n‐C4H9Li)ヘキサン(C6H14)溶液185.74g(0.64mol)を−15℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に常温に昇温し、12時間撹拌した後、テトラヒドロフラン(O(C2H2)2)200mlを添加した。この反応溶液にクロロジメチルシラン60.36g(0.64mol)を−20℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に昇温し、65℃に維持しながら12時間撹拌した。濾過して生成された白色固体を除去した後、濾過液を得た。この濾過液から溶媒を減圧下で除去し、減圧蒸溜によりビスジメチルアミノジメチルシリルジメチルシリルアミン(((CH3)2)2N(CH3)2Si)2NSiH(CH3)2)123.96g(0.45mol)を得た(収率65%)。
無水及び不活性雰囲気下で火炎乾燥された2000mLのフラスコに実施例1で合成されたジエチルアミノジメチルジシラザン((CH3)2SiN(CH2CH3)2)2NH)180g(0.65mol)及び有機溶媒n‐ヘキサン200mlを入れて撹拌しながら、2.29M濃度のノルマルブチルリチウム(n‐C4H9Li)ヘキサン(C6H14)溶液202.16g(0.65mol)を−15℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に常温に昇温し、12時間撹拌した後、テトラヒドロフラン(O(C2H2)2)200mlを添加した。この反応溶液に、ジクロロジメチルシラン(Cl2Si(CH3)2)と2当量のジエチルアミンとを定量的に反応させて合成したクロロジメチルジエチルアミノシラン((CH3CH2)2NSiCl(CH3)2)108.25g(0.65mol)を−20℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に昇温し、65℃に維持しながら12時間撹拌した。反応が完了した反応混合物を濾過して生成された白色固体を除去した後、濾過液を得た。この濾過液から溶媒を減圧下で除去し、減圧蒸溜によりトリスジエチルアミノシリルアミン(N(Si(CH3)2N(CH2CH3)2)3)119.00g(0.29mol)を得た(収率45%)。
無水及び不活性雰囲気下で火炎乾燥された2000mLのフラスコに実施例1で合成されたジエチルアミノジメチルジシラザン((CH3)2SiN(CH2CH3)2)2NH)180g(0.65mol)及び有機溶媒n‐ヘキサン200mlを入れて撹拌しながら、2.29M濃度のノルマルブチルリチウム(n‐C4H9Li)ヘキサン(C6H14)溶液202.16g(0.65mol)を−15℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に常温に昇温し、12時間撹拌した後、テトラヒドロフラン(O(C2H2)2)200mlを添加した。この反応溶液にジクロロジメチルシラン84.30g(0.65mol)を−20℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に昇温し、65℃に維持しながら12時間撹拌した。反応混合物を濾過して生成された白色固体を除去した後、濾過液を得た。この濾過液を撹拌しながら、ジエチルアミン(HN(C2H5)2)と2.29M濃度のノルマルブチルリチウム(n‐C4H9Li)ヘキサン(C6H14)溶液とを定量的に反応させて得たリチウムジエチルアミン塩(LiN(C2H5)2)51.65g(0.65mol)を−20℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に昇温し、65℃に維持しながら12時間撹拌した。反応混合物を濾過して生成された白色固体を除去した後、濾過液を得た。この濾過液から溶媒を減圧下で除去し、減圧蒸溜によりトリスジエチルアミノシリルアミン(N(Si(CH3)2N(CH2CH3)2)3)171.88g(0.42mol)を得た(収率65%)。
無水及び不活性雰囲気下で火炎乾燥された2000mLのシュレンクフラスコにヘキサメチルジシラザン(((CH3)3Si)2NH)250g(1.55mol)及びアルミニウムクロライド(AlCl3)10g(0.075mol)を入れて撹拌しながら、ジクロロメチルシラン(CH3SiHCl2)713.19g(6.20mol)を25℃に維持しながら徐々に添加した後、反応溶液を徐々に40℃に昇温させた。この混合反応溶液を3時間撹拌し、生成されたクロロトリメチルシラン((CH3)3SiCl)及び過量添加されたジクロロメチルシラン(CH3SiHCl2)を単蒸留または減圧蒸溜により除去した。回収されたクロロメチルジシラザン((CH3SiHCl)2NH))溶液を撹拌しながら、ジメチルアミン((CH3)2NH)293.47g(4.2mol)を−15℃に維持しながら徐々に添加した。添加が完了した後、反応溶液を徐々に常温に昇温し、常温で6時間撹拌した。濾過して生成された白色固体を除去した後、濾過液を得た。この濾過液から溶媒を減圧下で除去し、減圧蒸溜によりジメチルアミノメチルジシラザン((CH3SiHN(CH3)2)2NH)222.54g(1.16mol)を得た(収率75%)。
2.47(s, 12H, (((CH3)2)2NSi), 4.43(m, 2H, ((CH3)HSiNH).
無水及び不活性雰囲気下で火炎乾燥された2000mLのフラスコに実施例7で合成されたジメチルアミノメチルジシラザン((CH3SiHN(CH3)2)2NH)191.43g(1.00mol)及び有機溶媒n‐ヘキサン200mlを入れて撹拌しながら、2.29M濃度のノルマルブチルリチウム(n‐C4H9Li)ヘキサン(C6H14)溶液303.32g(1.00mol)を−15℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に常温に昇温し、12時間撹拌した後、テトラヒドロフラン(O(C2H2)2)300mlを添加した。この反応溶液に、クロロトリメチルシラン108.64g(1.00mol)を−20℃に維持しながら徐々に添加した。添加が完了した反応溶液を徐々に昇温し、65℃に維持しながら12時間撹拌した。反応が終わった反応混合物を濾過して生成された白色固体を除去した後、濾過液を得た。この濾過液から溶媒を減圧下で除去し、減圧蒸溜によりビスジメチルアミノメチルシリルトリメチルシリルアミン((CH3)3SiN(SiH(CH3)N(CH3)2)2)184.53g(0.70mol)を得た(収率70%)。
本発明の実施例3〜実施例6及び実施例8のアミノシリルアミン化合物がそれぞれ含有されたシリコン含有薄膜蒸着用組成物を使用して、公知のプラズマ強化原子層蒸着法(PEALD)を用いるプラズマ強化原子層蒸着(PEALD)装置で下記表1に記載の条件でシリコン酸化薄膜を製造し、その膜の特性を評価した。反応ガスとして酸素を使用し、不活性気体のアルゴンをパージガスとして使用した。以下、図8及び表1に具体的なシリコン酸化薄膜の蒸着方法を示した。
下記表2に記載のように、公知のアミノシリルアミン化合物を使用したことを除き、実施例9で行った蒸着条件と同一の条件で、公知のプラズマ強化原子層蒸着法(PEALD)を用いてシリコン酸化膜を形成し、膜の特性評価を行った。また、蒸着した薄膜の分析は、実施例9で行った分析方法と同一の条件で行って分析結果を得た。以下、図8及び表2に具体的なシリコン酸化薄膜の蒸着方法を示した。
本発明の実施例3〜実施例6及び実施例8のアミノシリルアミン化合物を含有するシリコン含有薄膜蒸着用組成物を使用して、公知のプラズマ強化原子層蒸着法(PEALD)を用いる通常のプラズマ強化原子層蒸着(PEALD)装置でシリコン窒化膜及びシリコン炭窒化膜を形成し、その膜の特性評価を行った。反応ガスとして窒素(N2)、アンモニア(NH3)、及びアルゴン(Ar)を単独または混合して使用し、不活性気体のアルゴンをパージガスとして使用した。以下、図8及び表3に具体的なシリコン窒化膜及びシリコン炭窒化膜の蒸着方法を示した。
Claims (6)
- 下記化学式1で表されるアミノシリルアミン化合物を含有するシリコン含有薄膜蒸着用組成物。
[化学式1]
R1〜R5は、互いに独立して、水素、ハロゲン、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、または(C3‐C7)シクロアルキルであり、
R6〜R7は、互いに独立して、水素、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、(C3‐C10)シクロアルキル、または(C6‐C12)アリールであり;
但し、R1〜R7の全てがメチルの場合は除き;
前記R1〜R5のアルキル、アルケニル、アルキニル、シクロアルキル、及びR6〜R7のアルキル、アルケニル、アルキニル、シクロアルキル、アリールは、ハロゲン、(C1‐C7)アルキル、(C1‐C7)アルコキシ、または(C1‐C7)アリールオキシでさらに置換されていてもよい。) - 前記R1〜R5は、互いに独立して、水素、ハロゲン、(C1‐C5)アルキル、(C2‐C5)アルケニル、(C2‐C5)アルキニル、または(C3‐C6)シクロアルキルであり、
R6〜R7は、互いに独立して、水素、(C1‐C5)アルキル、(C2‐C5)アルケニル、(C2‐C5)アルキニル、(C3‐C5)シクロアルキル、または(C6‐C10)アリールであり、
但し、R1〜R7の全てがメチルの場合は除く、請求項1に記載のアミノシリルアミン化合物を含有するシリコン含有薄膜蒸着用組成物。 - R1〜R5は、互いに独立して、水素または(C1‐C5)アルキルであり、R6〜R7は、互いに独立して、水素または(C1‐C5)アルキルであり、
但し、R1〜R7の全てがメチルの場合は除く、請求項2に記載のアミノシリルアミン化合物を含有するシリコン含有薄膜蒸着用組成物。 - 前記化学式1は下記化合物から選択される、請求項1に記載のアミノシリルアミン化合物を含有するシリコン含有薄膜蒸着用組成物。
- 下記化学式2で表される塩基または(C1‐C7)アルキルリチウムの存在下で、下記化学式3で表される化合物と下記化学式4で表される化合物とを反応させることで、下記化学式1で表されるアミノシリルアミン化合物を含有するシリコン含有薄膜蒸着用組成物の製造方法。
[化学式1]
N(R8)(R9)(R10)
[化学式3]
R8〜R10は、互いに独立して、(C1‐C7)アルキルであり;
R1〜R5は、互いに独立して、水素、ハロゲン、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、または(C3‐C7)シクロアルキルであり、
R6〜R7は、互いに独立して、水素、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、(C3‐C10)シクロアルキル、または(C6‐C12)アリールであり;
但し、R1〜R7の全てがメチルの場合は除き;
前記R1〜R5のアルキル、アルケニル、アルキニル、シクロアルキル、及びR6〜R7のアルキル、アルケニル、アルキニル、シクロアルキル、アリールは、ハロゲン、(C1‐C7)アルキル、(C1‐C7)アルコキシ、または(C1‐C7)アリールオキシでさらに置換されていてもよく;
X1はハロゲンである。) - 下記化学式11で表される化合物の存在下で、下記化学式12で表される化合物と下記化学式13で表される化合物とを反応させることで下記化学式14で表される化合物を製造する段階と、
下記化学式14で表される化合物と下記化学式15で表される化合物とを反応させることで前記化学式3で表される化合物を製造する段階と、をさらに含む、請求項5に記載の方法。
[化学式11]
MX11
[化学式12]
HN(R6)(R7)
(前記化学式11〜15中、
Mは、B、Al、またはSnであり;
R11〜R13は、互いに独立して、(C1‐C7)アルキルであり;
R4〜R5は、互いに独立して、水素、ハロゲン、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、または(C3‐C7)シクロアルキルであり、
R6〜R7は、互いに独立して、水素、(C1‐C7)アルキル、(C2‐C7)アルケニル、(C2‐C7)アルキニル、(C3‐C10)シクロアルキル、または(C6‐C12)アリールであり;
X11及びX12は、互いに独立して、ハロゲンである。)
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