WO2008114705A1 - 有機絶縁材料、それを用いた樹脂膜用ワニス、樹脂膜並びに半導体装置 - Google Patents
有機絶縁材料、それを用いた樹脂膜用ワニス、樹脂膜並びに半導体装置 Download PDFInfo
- Publication number
- WO2008114705A1 WO2008114705A1 PCT/JP2008/054690 JP2008054690W WO2008114705A1 WO 2008114705 A1 WO2008114705 A1 WO 2008114705A1 JP 2008054690 W JP2008054690 W JP 2008054690W WO 2008114705 A1 WO2008114705 A1 WO 2008114705A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- organic insulating
- insulating material
- resin film
- polymerizable unsaturated
- Prior art date
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- 239000011347 resin Substances 0.000 title claims abstract description 71
- 229920005989 resin Polymers 0.000 title claims abstract description 71
- 239000002966 varnish Substances 0.000 title claims abstract description 64
- 239000004065 semiconductor Substances 0.000 title claims abstract description 60
- 239000011810 insulating material Substances 0.000 title claims abstract description 53
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000004132 cross linking Methods 0.000 claims abstract description 12
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- 229920002223 polystyrene Polymers 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 65
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical group C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 claims description 49
- 125000000962 organic group Chemical group 0.000 claims description 23
- 239000003960 organic solvent Substances 0.000 claims description 19
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- -1 adamantane structure compound Chemical class 0.000 abstract description 128
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- MPXKIFWZOQVOLN-UHFFFAOYSA-N 1-(1-adamantyl)adamantane Chemical group C1C(C2)CC(C3)CC2CC13C(C1)(C2)CC3CC2CC1C3 MPXKIFWZOQVOLN-UHFFFAOYSA-N 0.000 description 50
- 238000000034 method Methods 0.000 description 44
- ZICQBHNGXDOVJF-UHFFFAOYSA-N diamantane Chemical group C1C2C3CC(C4)CC2C2C4C3CC1C2 ZICQBHNGXDOVJF-UHFFFAOYSA-N 0.000 description 34
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 32
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- 238000000576 coating method Methods 0.000 description 19
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- 239000000243 solution Substances 0.000 description 19
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- 239000011248 coating agent Substances 0.000 description 17
- 239000000758 substrate Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 14
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 10
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- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
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- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
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- 125000000217 alkyl group Chemical group 0.000 description 3
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- IEFGOEQSCFNTOW-UHFFFAOYSA-N CC#CC1C2(CC3CC(CC1C3)C2)C23CC1CC(CC(C2)C1)C3 Chemical compound CC#CC1C2(CC3CC(CC1C3)C2)C23CC1CC(CC(C2)C1)C3 IEFGOEQSCFNTOW-UHFFFAOYSA-N 0.000 description 1
- GJXUUAKJMWLLMH-UHFFFAOYSA-N CC=1C(=C(C=C(C1)C)C1C2(CC3CC(CC1C3)C2)C23CC1CC(CC(C2)C1)C3)C#C Chemical compound CC=1C(=C(C=C(C1)C)C1C2(CC3CC(CC1C3)C2)C23CC1CC(CC(C2)C1)C3)C#C GJXUUAKJMWLLMH-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- VDWBOOPLXINEFF-UHFFFAOYSA-N P.C1(=CC=CC=C1)P(C1=CC=CC=C1)(C1=CC=CC=C1)C1=CC=CC=C1 Chemical compound P.C1(=CC=CC=C1)P(C1=CC=CC=C1)(C1=CC=CC=C1)C1=CC=CC=C1 VDWBOOPLXINEFF-UHFFFAOYSA-N 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- SZKKRCSOSQAJDE-UHFFFAOYSA-N Schradan Chemical group CN(C)P(=O)(N(C)C)OP(=O)(N(C)C)N(C)C SZKKRCSOSQAJDE-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 1
- YOKBFUOPNPIXQC-UHFFFAOYSA-N anti-tetramantane Chemical group C1C(CC2C3C45)CC6C2CC52CC5CC7C2C6C13CC7C4C5 YOKBFUOPNPIXQC-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- YSXKPIUOCJLQIE-UHFFFAOYSA-N biperiden Chemical compound C1C(C=C2)CC2C1C(C=1C=CC=CC=1)(O)CCN1CCCCC1 YSXKPIUOCJLQIE-UHFFFAOYSA-N 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- AMFOXYRZVYMNIR-UHFFFAOYSA-N ctk0i0750 Chemical group C12CC(C3)CC(C45)C1CC1C4CC4CC1C2C53C4 AMFOXYRZVYMNIR-UHFFFAOYSA-N 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000013365 molecular weight analysis method Methods 0.000 description 1
- PDKHNCYLMVRIFV-UHFFFAOYSA-H molybdenum;hexachloride Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Mo] PDKHNCYLMVRIFV-UHFFFAOYSA-H 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- MUJIDPITZJWBSW-UHFFFAOYSA-N palladium(2+) Chemical compound [Pd+2] MUJIDPITZJWBSW-UHFFFAOYSA-N 0.000 description 1
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- RPGWZZNNEUHDAQ-UHFFFAOYSA-N phenylphosphine Chemical compound PC1=CC=CC=C1 RPGWZZNNEUHDAQ-UHFFFAOYSA-N 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 229910052705 radium Inorganic materials 0.000 description 1
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- OEIMLTQPLAGXMX-UHFFFAOYSA-I tantalum(v) chloride Chemical compound Cl[Ta](Cl)(Cl)(Cl)Cl OEIMLTQPLAGXMX-UHFFFAOYSA-I 0.000 description 1
- PUGUQINMNYINPK-UHFFFAOYSA-N tert-butyl 4-(2-chloroacetyl)piperazine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCN(C(=O)CCl)CC1 PUGUQINMNYINPK-UHFFFAOYSA-N 0.000 description 1
- YOUIDGQAIILFBW-UHFFFAOYSA-J tetrachlorotungsten Chemical compound Cl[W](Cl)(Cl)Cl YOUIDGQAIILFBW-UHFFFAOYSA-J 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910021381 transition metal chloride Inorganic materials 0.000 description 1
- CWMFRHBXRUITQE-UHFFFAOYSA-N trimethylsilylacetylene Chemical group C[Si](C)(C)C#C CWMFRHBXRUITQE-UHFFFAOYSA-N 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F281/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having carbon-to-carbon triple bonds as defined in group C08F38/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/04—Polymers provided for in subclasses C08C or C08F
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/08—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated side groups
- C08F290/14—Polymers provided for in subclass C08G
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/025—Non-macromolecular photopolymerisable compounds having carbon-to-carbon triple bonds, e.g. acetylenic compounds
-
- 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
- H01L21/02118—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 carbon based polymeric organic or inorganic material, e.g. polyimides, poly cyclobutene or PVC
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
-
- 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
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02345—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to radiation, e.g. visible light
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/312—Organic layers, e.g. photoresist
Definitions
- the present invention relates to an organic insulating material, a resin film varnish using the organic insulating material, a resin film, and a semiconductor device.
- the size of the vacancies existing in the film made porous by such a method is relatively large from several nanometers to several tens of nanometers, and these vacancies are independent. Because they exist in a connected state, the strength of the material inevitably decreases, and various problems caused by vacancies in the semiconductor process have been pointed out. As a method to solve such problems, studies have been made whenever a process such as pore sealing is introduced, but there is a concern that the number of manufacturing steps will increase and the cost will increase. ing.
- a material having a large number of molecular-level pores inside a resin structure is known.
- the first cross-linking component and the second cross-linking component are combined to form a molecular-level hole, thereby reducing the dielectric constant.
- such a material is very difficult to handle, such as easy gelation when synthesizing a resin, poor polymer solubility in the synthesis, and poor storage stability as a varnish.
- the present invention is to provide a useful organic insulating material having a low dielectric constant, a high heat resistance and a high mechanical strength. Further, a semiconductor device using the organic insulating material is provided. It is to provide.
- the present invention is achieved by the present invention of the items (1) to (11).
- An organic insulating material comprising a group containing a polymerizable unsaturated bond and a preformer of a cage structure compound having a cage structure having an adamantane structure as a minimum unit, wherein the precursor is a gel permeation chromatography.
- An organic insulating material having a polystyrene-equivalent number average molecular weight of 2, '0 0 0 or more and 5 0 0, 0 0 0 or less measured according to 1.
- the prepolymer is an unsaturated bond formed by the reaction of the polymerizable unsaturated bonds in the cage structure compound, or the unsaturated bond generated by the reaction of the polymerizable unsaturated bonds and unreacted.
- X and ⁇ each represent one or more groups containing the same or different polymerizable unsaturated bonds.
- W and ⁇ each represent a group having an adamantane or polyamantane structure. And may be the same or different, and ⁇ is 0 or an integer of 1 or more.
- R 4 are each 1 or represents two or more groups containing a polymerizable unsaturated bond, and may be the same or different.
- R 4 are each a hydrogen or an organic group, ⁇ N 1 is 0 or an integer of 1 or more.
- At least one of the groups containing a polymerizable unsaturated bond is a group represented by the formula (3) or a group represented by the formula (4): (1) to (7)
- the organic insulating material according to any one of the items.
- R 5 and R 6 each independently represent a hydrogen atom or an organic group.
- M is an integer of:! To 5
- a varnish for a resin film comprising the organic insulating material according to any one of (1) to (8) and an organic solvent.
- FIG. 1 is a cross-sectional view schematically showing an example of a semiconductor device of the present invention.
- the present invention relates to an organic insulating material comprising a group containing a polymerizable unsaturated bond and a prepolymer of a cage structure compound having a cage structure having an adamantane structure as a minimum unit, the prepolymer having a gel permeation chroma
- This is an organic insulating material having a polystyrene-equivalent number average molecular weight of 2,00,000 or more and 50000 or less, measured by TOGRAPHY (hereinafter sometimes referred to as “GPC”).
- GPC TOGRAPHY
- the resin film varnish of the present invention includes the organic insulating material.
- the resin film of the present invention is obtained using the organic insulating material or the resin varnish.
- Polymerizable It is obtained by crosslinking reaction using a precursor polymer obtained by polymerizing a group having an unsaturated bond and a cage structure compound having a cage structure having an adamantane structure as a minimum unit. As a result, a resin film having excellent heat resistance, mechanical properties, and electrical properties can be obtained.
- the semiconductor device of the present invention comprises the above resin film. First, the organic insulating material of the present invention will be described.
- the organic insulating material of the present invention is a polymer contained in the cage structure compound. It contains a prepolymer obtained by reacting some or all of the unsaturated unsaturated bonds.
- the prepolymer has an unsaturated bond newly generated as a reaction part between the polymerizable unsaturated bonds, by partially or fully reacting the unsaturated bonds.
- the prepolymer of the cage structure compound may be an oligomer or a polymer, but the polystyrene-equivalent number average molecular weight measured by GPC is 2, 00 0 It is 5 0 0, 0 0 0 or less, and more preferably 5, 0 0 0 or more and 2 0 0, 0 0 0 or less.
- the number average molecular weight is less than 2,00, the appearance of the coating film due to precipitates or the like may be deteriorated during the preparation of the prepolymer coating film.
- the prepolymer may cause insolubilization in an organic solvent.
- the prismatic compound of the cage structure compound according to the present invention has a cage structure, particularly when the number average molecular weight is 2,00 or more. It is considered that a central branched structure is formed, and thus molecular aggregation between prepolymers is suppressed. For this reason, when a coating film is formed from a varnish for a resin film in which the prepolymer according to the present invention is dissolved in an organic solvent, a molecular pore structure having a pore diameter of about 1 to 3 nm is formed between the prepolymers when the coating film is dried.
- the resin film obtained by crosslinking the prepolymer according to the present invention has a pore size of 1 to 3 inside the resin film than the resin film obtained by crosslinking a prepolymer having a number average molecular weight of less than 2,00.
- the density decreases as more molecular vacancy structures of the order of nm are formed.
- the molecular pore diameter can be obtained as an equivalent sphere diameter by a positron annihilation lifetime measurement method.
- the prepolymer of the cage structure compound may be an oligomer as described above.
- the prepolymer of the cage structure compound may be an oligomer as described above.
- by removing low molecular weight substances using a difference in solubility, separating high molecular weight substances by fractionation, etc. It is possible to increase the molecular pore structure by increasing the high molecular weight ratio of.
- Low dielectric constant can be achieved by increasing the molecular pore structure.
- the molecular weight of the prepolymer is too large, it may cause insolubilization in the solvent.
- an acetylene bond (carbon-carbon triple bond) is used as the group containing a polymerizable unsaturated bond.
- a group containing a bond a group containing a vinyl bond (carbon-carbon double bond), a cyan group, and the like. Of these, a group containing a carbon-carbon triple bond is desirable.
- Examples of the group containing a carbon-carbon triple bond include, in addition to a carbon-carbon triple bond, a chain aliphatic group such as a methyl group and an ethyl group, a cyclic aliphatic group such as a cyclohexyl group and an adamantyl group, a phenyl group, and the like. May have an aromatic group such as a group, a naphthyl group and a fluorenyl group.
- the group containing a carbon-carbon triple bond is preferably a group represented by the formula (3) or a group represented by the formula (4), and preferably has one or more of these.
- R 5 and R 6 each independently represent a hydrogen atom or an organic group.
- M is an integer of 1 to 5.
- Examples of the organic group include a chain aliphatic group such as a methyl group, an ethyl group, a propyl group and a propyl group, a cyclic aliphatic group such as a hexyl group and an adamantyl group, a phenyl group, a naphthyl group and a fluorenyl group.
- a chain aliphatic group such as a methyl group, an ethyl group, a propyl group and a propyl group
- a cyclic aliphatic group such as a hexyl group and an adamantyl group
- a phenyl group a naphthyl group and a fluorenyl group.
- the group containing a carbon-carbon triple bond examples include a ethynyl group in the case where R 5 is a hydrogen atom as the group represented by the formula (3).
- R 5 is an organic group
- the organic group is the chain aliphatic group
- a methylethynyl group, an ethynethynyl group, a propylethynyl group, a ptethylethynyl group, and the like can be given.
- an adamantyl ethynyl group, a cyclohexynyl group, a cyclohexylethynyl group, and the like can be mentioned.
- the organic group is the aromatic group, a phenylethynyl group, a phenoxy Examples thereof include an enylethynyl group, a naphthylethynyl group, and a fluorenylethynyl group.
- R 6 is a hydrogen atom as the group represented by the formula (4), a 2-ethynylphenyl group, a 3-ethynylphenyl group, a 4-ethynylphenyl group, a 2,3-ethynylphenyl group, 2 , 4--ethynylphenyl group, 2, 5--ethynylphenyl group, 2,6-ethynylphenyl group, 3,4-ethynylphenyl group, 3,5-ethynylphenyl group, 2, 3, 4- Liethinyl phenyl group, 2, 3, 5_triethynyl phenyl group, 2, 3, 6—triethynyl phenyl group, 2, 4, 5—triethynyl phenyl group, 2, 4, 6 — trie Tinylphenyl group, 3, 4, 5, 5-triethynyl phenyl group, 2, 3, 4, 5-te
- R 6 is an organic group, and the organic group is the chain aliphatic group, 2-methylethynyl group Enyl group, 3-methylethynylphenyl group, 4-methylethynylphenyl group, 2,3-bis (methylethynyl) phenyl group, 2,4-bis (methylethynyl) phenyl group, 2,5- Bis (methylethynyl) phenyl group, 2,6_bis (methylethynyl) phenyl group, 3,4_bis (methylethynyl) phenyl group, 3,5-bis (methylethynyl) phenyl group, 2,3,4-tris (Methylethynyl) phenyl group, 2, 3, 5_tris (methylethynyl) phenyl group, 2,3,6_tris (methylethynyl) phenyl group, 2,4,5-tris (methylethynyl) phen
- the solubility of prepolymers in organic solvents and the heat resistance in the case of a resin film are excellent.
- Group, 3,5--ethynylphenyl group, 3,4-ethynylphenyl group, 4-methylethynylphenyl group, 3,5_bis (methylethynyl) phenyl group, 3,4 bis ( Methylethenyl) phenyl group and the like are preferable, but not limited thereto.
- the hydrogen atom in the group containing the acetylene bond may be substituted with a fluorine atom, a methyl group, a trifluoromethyl group, or a phenyl group.
- the group containing a polymerizable unsaturated bond group and a cage structure compound having a cage structure having an adamantane structure as a minimum unit are composed of adamantane structure, polyamantane structure, and adamantane structure as a cage structure.
- Examples thereof include a polyadamantane structure having a structure as a skeleton, and a poly (polyamantane) structure having a structure in which a plurality of the polyamantane structures are connected as a skeleton.
- Examples of such a structure include a compound having a structure represented by the formula (1).
- X and ⁇ each represent one or more groups containing the same or different polymerizable unsaturated bonds.
- W and ⁇ each represent a group having an adamantane or polyamantane structure. And may be the same or different, and ⁇ is 0 or an integer of 1 or more.
- the compound having the structure represented by the formula (1) has an adamantane or polyamantane structure as W and ⁇ , but may have both the adamantane and polyamantane structures.
- a polyadamantane compound represented by the following formula (2) and a poly (polyamantane) compound represented by formula (6) Is particularly preferable in terms of a low dielectric constant.
- ⁇ ⁇ each represent one or two or more groups containing the same or different polymerizable unsaturated bonds, and specific examples thereof are groups containing the above polymerizable unsaturated bonds.
- ⁇ R 4 each represents hydrogen or an organic group, and n 1 is the same as n in the formula (1).
- X 2 and Y 2 each represent one or two or more groups containing the same or different polymerizable unsaturated bonds. Specific examples thereof include a group containing the above polymerizable unsaturated bonds.
- R 7 to R i 8 each represent hydrogen or an organic group, and n 2 is the same as n in the general formula (1).
- the polyadamantane structural compound and the poly (polyamantane) structural compound indicate the number of adamantane structures or polyamantane structures as n in the formula (1), and the number n of adamantane or polyamantane structures Is 0 or 1 or more, and the upper limit number is not particularly limited, but is 4 or less from the viewpoint of solubility in a solvent when a polyadamantane structure or polyamantane structure compound is used as a polymer, that is, n
- the number of is preferably 3 or less.
- examples of the polyamantane structure include a diamantane ring, a triamantane ring, a tetramantane ring, a pendant mantane ring, and a hexamantane ring.
- adamantane skeletons with a plurality of adamantane structures include 1, 1, —biadamantane skeleton, 2, 2, —biadamantane skeleton and 1,2 ′ —biadamantane skeleton such as biadamantane skeleton Skeleton, 1, 1 ': 3', 1, '— triadamantane skeleton, 1, 2': 5,,, 1,,-triadamantane skeleton, 1, 2,: 4 ,, 1,,-Triadamanan skeleton and 2, 2,,: 4,, 2 '' One liadamantane skeleton such as Triadamantan skeleton, 1, 1 ': 3
- a biadamantane compound having a biadamantane skeleton is preferable.
- examples of the biadamantane skeleton include those having 1, 1 ′ —bia damantane skeleton, 2, 2 ′ —biadamantane skeleton, and 1, 2 ′ —biadamantane skeleton, and an organic insulating film having higher heat resistance.
- 1, 1′-biadamantane skeleton is preferable, but one having a structure represented by the above formula (2) is more preferable.
- poly (polymantannes) with multiple polyan structure are connected.
- skeletons include bi (diamantan) skeleton, tho (diaman evening) skeleton, tera (diaman evening) skeleton and pen evening (diaman evening) skeleton.
- Chained skeleton Bi ( ⁇ Amanan) skeleton, ⁇ ( ⁇ rear mantan) skeleton, Terra ( ⁇ rear) Mantan) skeleton and Penyu (triamantan) skeleton, etc., a skeleton with multiple trian structure, Bi (theranlantan) skeleton, Tri (tetraamantane) skeleton, Terra Lamantane) and Penyu (Tetraamantane) skeletons such as skeletons with multiple tetraamantane structures.
- Such structures include polyamantane structures, diamantane skeletons, 4, 4 'one (diamantan) skeleton, 3, 3'_bi (diamantan) skeleton, and 3, 4'.
- Bi Diamantan Skeleton etc.
- Bi Diaman Yun Skeleton, 4, 4 ': 9', 4
- a compound having a bi (diamantane) skeleton is preferable in view of solubility in a solvent. Further, in order to obtain an insulating film having excellent heat resistance, a 4,4′-bi (diamantane) skeleton is preferable.
- the hydrogen on the adamantane or polyamantane structure in the cage structure compound having a cage structure having the polymerizable unsaturated bond group and the adamantane structure as a minimum unit has an alkyl group having 1 to 20 carbon atoms.
- alkyl groups include methyl, ethyl, propyl, butyl, hexyl, heptyl and octyl groups. Among them, a methyl group and an ethyl group are more preferable.
- ⁇ R 4 are each independently a hydrogen atom or an organic group, and these may be the same or different.
- n 1 is an integer of 2 or more
- R 3 and R 4 are the same or different for each adamantane structure.
- the poly (polyamantane) structural compound the compound represented by the formula (6) will be described as an example.
- R 7 to R i 8 are each independently a hydrogen atom or an organic group, and these are the same or It can be different.
- n 2 is an integer of 2 or more, a to R i 8 may be the same or different for each polyamantane structure.
- the organic group for the to R 4 and R 7 ⁇ R i 8, and the like aliphatic group and an aromatic group examples include a chain aliphatic group and a cyclic aliphatic group. Specific examples of the chain aliphatic group include a methyl group, an ethyl group, a propyl group, a butyl group, and a hexyl group. Specific examples of the cycloaliphatic group include a cyclohexyl group, a bicyclo [2,2,1] heptyl group, and an adamantyl group.
- the aromatic group examples include a phenyl group, a naphthyl group, an anthracenyl group, a phenanthrenyl group, a polycyclic aromatic group having 4 or more aromatic rings, a fluorenyl group, a diphenylfluorenyl group, and a biphenyl group.
- the II type aliphatic group such as a methyl group or an ethyl group can improve solubility in organic solvents and heat resistance.
- the hydrogen atom in the organic group may be substituted with a fluorine atom, a methyl group, a methoxy group, a trifluoromethyl group, or the like.
- R! To R 4 and R 7 to R i 8 may be a group containing a polymerizable unsaturated bond group.
- the cage structure compound having a group containing a polymerizable unsaturated bond and a cage structure having an adamantane structure as a minimum unit include compounds represented by the formula (3) among the compound structures represented by the formula (1).
- R 5 As specific examples having a group containing a carbon-carbon triple bond group represented by the following formula: R 5: As a group having a hydrogen atom, for example, 4, 9-decynyldiamantane, 24, 7,9-tetraethynyldiamantane, 4,4'-jetinyl-9,9'-bi (diamantane), 3,3'onejetil-1,1,1, -biadamantane, 3,3 ' , 5, 5 '-Teramethyl— 7, 7' One ethynyl _ 1, 1 '— Biadamantane, 3, 5-Jechynil-1, 1' One Biadamantane, 3, 5, 3, 1 Lieci 2 Lou 1 1 'One Biamantan
- R 5 is a group having a methyl group among the organic groups, for example, 4, 9-bis ( Methylethynyl) diamantane, 2, 4, 7, 7, 9-tetrakis (methylethynyl) diamantane, 44, -bis (methylethynyl) _ 9, 9, _bi (diamantane), 3, 3'-bis (methylethynyl) One, one, one biada Mantan, 3, 3 ', 5, 5' — Tetramethyl-7, 7, 1 Bis (methylethynyl) 1 1, 1, 1 Biadamantan, 3, 5 — Bis (methylethynyl) 1 1, 1 '— Biadamantan, 3 , 5, 3 '— ⁇ Lis (Methylethynyl) 1, 1, _ Bia
- R as the organic group having a phenyl group, for example, 4 , 9 — bis (phenylethynyl) diamantane, 2, 4, 7, 9-te ⁇ lux (Fuenylruetinyl) diamantane, 4, 4 ' ⁇ bis (phenylethynyl) _ 9, 9' — bi (diamantane ), 3 3 '— Bis (phenylethynyl) _ 1, 1' One Biadamantane, 3, * j, ⁇ , 5
- —Tetraphenyl 7,7 “one bis (phenylethynyl” —including but not limited to biadamantane Is not something Among these, 3, 3 ', 5, 5'-tetramethyl-7, 7' one jet two-loud 1, 1 'one biadamantane, 3, 3', 5, 5, one tetraethynyl 1, 1'-bi Adamantane, 3, 3, 5, 5, 5, tetramethyl-7, 7, one bis (methylethyl) 1, 1, one biadamantan, 3, 3,, 5, 5, one tetramethyl 7,7 , —Bis (Phenyruetinyl) _ 1, 1,, —Viadamantane, etc.
- the polyamantane structure is a case of a diamantane compound.
- the present invention is not limited to this.
- the polyadamantane structure is exemplified by the case of a biadamantane compound, but the same applies to other adamantane or polyamantane compounds having a ⁇ of 2 or more in the compound represented by the formula (1).
- specific examples having a group containing a carbon-carbon triple bond group represented by the formula (4) include those having a hydrogen atom as R 6
- R 6 4,9-bis (3,5-ethynylphenyl) diamantane, 2,4,7,9-tetrakis (3,5-decynylphenyl) diamantane, 4,4,- Bis (3,5-decynylphenyl) 1, 9 '— Bi (diamantane), 3, 3, — Bis (3, 5-decynylphenyl) 1, 1, 1 Biadamantane, 3, 3,, 5, 5, 1-tetramethyl-1,7'-bis (3,5-decynylphenyl) _ 1,1, 1 biadamantane, 3,5-bis (3,5-decynyl) Enil) One 1, 1 '—Bi Adamantane, 3, 5, 3, 1 tris (3,5-decinyl phenyl) 1, 1, 1 biadam
- R 6 among the organic groups, those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a phenyl group
- those having a phenyl group those having a pheny
- the polyamantane structure is a diamantane compound.
- the present invention is not limited to this.
- the polyadamantane structure is Biaman. Although the case of a tan compound has been mentioned, the same applies to other adamantane or polyamantane compounds in which n is 2 or more in the compound represented by the formula (1).
- the group having a polymerizable unsaturated bond group and the adamantane structure are most preferably used.
- a method for polymerizing a cage structure compound having a cage structure as a small unit a known polymerization method capable of reacting a polymerizable unsaturated bond group can be applied.
- Examples of the polymerization method include a method by radical polymerization using a radical initiator such as benzoyl peroxide, t-butyl peroxide, and azobisisopropyl nitrile, a method by photo radical polymerization using light irradiation, and the like, dichlorobis (trimethyl).
- a radical initiator such as benzoyl peroxide, t-butyl peroxide, and azobisisopropyl nitrile
- a method by photo radical polymerization using light irradiation and the like, dichlorobis (trimethyl).
- Phenylphosphine) palladium (II), bis (benzonitryl) palladium (II) dichloride and tetrakis (triphenylphosphine) palladium (0) and other polymerization methods using thermal polymerization examples include polymerization methods using transition catalysts such as copper (II) acetate, polymerization methods using transition metal chlorides such as molybdenum chloride (V), tungsten chloride (VI), and tantalum chloride (V). it can.
- the method by thermal polymerization is preferable because it is not necessary to remove impurities due to remaining catalyst or the like.
- the reaction conditions may be appropriately changed according to the structure of a cage structure having a polymerizable unsaturated bond and a cage structure having an adamantane structure as a minimum unit.
- the reaction temperature is usually 50 t or more and 500 or less
- the concentration of the cage structure compound in the organic solvent is usually It is about 1 mass% or more and 50 mass% or less.
- the cage structure compound should be dissolved in an organic solvent. desirable.
- the reaction temperature and concentration of the cage structure compound during the reaction can be used outside the above ranges, but if they are too high, the molecular weight increases, which may cause insolubilization in organic solvents.
- a group containing a polymerizable unsaturated bond group and a part or all of unsaturated bonds in a cage structure compound having a cage structure having an adamantane structure as a minimum unit usually react. To proceed.
- the thus obtained prepolymer has an unsaturated bond produced by the reaction of polymerizable unsaturated bonds in the cage structure compound, or the unsaturated bond produced by the reaction of the polymerizable unsaturated bonds. And those having an unreacted polymerizable unsaturated bond.
- a group containing a polymerizable unsaturated bond is a carbon-carbon triple bond, and a group other than the group containing the polymerizable unsaturated bond is simplified with Y.
- formula (1) is represented by formula (7)
- examples of the structure that can be taken by the compound represented by formula (1) by the polymerization reaction include those having the structure represented by formula (8). It is not limited to this.
- the example shown by the above formula (8) shows an example in which the carbon-carbon triple bond of the group containing one or two carbon-carbon triple bonds in the compound represented by the above formula (1) is reacted. However, a carbon-carbon triple bond of a group containing a plurality of carbon-carbon triple bonds may react.
- the polymer obtained by the polymerization reaction is represented by the following formula (8) in order to improve the heat resistance and elastic modulus by the crosslinking reaction during the production of the resin film and to improve the solubility in the organic solvent.
- the residual ratio of unreacted polymerizable unsaturated bonds in the prepolymer is more preferably 20% or more and 80% or less.
- the residual ratio of the carbon-carbon triple bond can be measured by, for example, infrared absorption spectrum (IR spectrum) analysis or Raman spectroscopy. More specifically, it is derived from an absorption spectrum derived from a carbon-carbon triple bond of a cage structure compound having a group containing a polymerizable unsaturated bond group before the reaction, and from a carbon-carbon triple bond of a prepolymer. Absorption spec The residual rate of carbon-carbon triple bonds can be calculated from the rate of change in torr. At that time, separation using the difference in solubility or separation by fractionation may be performed, but it is necessary to remove the unreacted cage structure compound from the prepolymer.
- IR spectrum infrared absorption spectrum
- Raman spectroscopy Raman spectroscopy. More specifically, it is derived from an absorption spectrum derived from a carbon-carbon triple bond of a cage structure compound having a group containing a polymerizable unsaturated bond group before the reaction, and from a carbon-carbon
- an organic solvent can be used as a reaction solvent, but such an organic solvent is not particularly limited, and examples thereof include methanol, ethanol, isopropanol, 1-butanol and 2-butanol.
- Alcohol solvents such as diols; Ketone solvents such as acetyl acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, cyclopentanone, 2_pentanone and 2_heptanone
- Ester solvents such as ethyl acetate, propyl acetate, butyl acetate, pentyl acetate, and propylene glycol monomethyl ether acetate; diisopropyl ether, dibutyl ether, terahydrofuran, anisol, and 1,3-dimethyl Ether solvents such as toxibenzene; benzene, toluene, mesitile , Aromatic hydrocarbon solvents such as
- the material for an organic insulating film of the present invention includes a group containing a polymerizable unsaturated bond group obtained above and a precursor of a cage structure compound having a cage structure having an adamantane structure as a minimum unit, As a component other than the compound, the organic solvent may be contained, and further, an additive for a resin film varnish described later may be included.
- the resin film varnish of the present invention can be obtained by dissolving the organic insulating material of the present invention in a suitable organic solvent.
- the organic insulating material is a resin film that is dried and dissolved in an organic solvent.
- a varnish may be used, a reaction solution obtained by the production of the organic insulating material may be used directly as a varnish, or another organic solvent may be mixed with the reaction solution.
- the organic solvent used in the resin film varnish is not particularly limited as long as it can dissolve or disperse the organic insulating material, and examples thereof include the same organic solvents used in the polymerization reaction. it can.
- the concentration of the resin film varnish may be appropriately determined depending on the structure and molecular weight of the organic insulating material. However, the resin insulating varnish contains 0.1% by mass to 50% by mass of the organic insulating material. Is more preferable, and 0.5 to 15% by mass is more preferable.
- the resin film varnish is optionally provided with a surfactant, a coupling agent typified by a silane coupling agent, a radical initiator that generates oxygen radicals or ion radicals upon heating, or a catalyst such as disulfides. It can be used as a resin composition by adding various additives such as.
- a naphthoquinandide compound as a photosensitizer to the varnish for resin film, it can be used as a surface protective film having photosensitivity.
- a foaming agent (porogen, pore, generator) that forms nano-sized fine pores may be added to the resin film varnish.
- the resin film of the present invention can be obtained using the organic insulating material or the resin film varnish.
- the resin film varnish obtained above is applied to a support such as a substrate, and this is heated or heated.
- Manufactured by treatment with actinic radiation Further, the reaction solution obtained above may be produced as it is or by heating and dissolving the organic insulating material and applying it to a support.
- the treatment such as heating or irradiation with actinic radiation, the polymerizable unsaturated bond remaining in the prepolymer undergoes a crosslinking reaction, thereby providing a resin film having more excellent heat resistance and elastic modulus.
- the resin film varnish is made of an appropriate support, for example, an organic material such as a polyester film. It is applied to a base material such as a base plate, a metal plate such as copper foil, or a semiconductor substrate such as a silicon wafer or a ceramic substrate to form a coating film.
- a base material such as a base plate, a metal plate such as copper foil, or a semiconductor substrate such as a silicon wafer or a ceramic substrate.
- the coating method include spin coating using a spinner, spray coating using a spray coater, dipping, printing, and mouth coating.
- the coating film is dried, treated by heating, etc., followed by solvent removal, followed by a crosslinking reaction by a method using heating, a method of irradiating active energy rays, a method using both of these methods, etc.
- a resin film having excellent characteristics can be obtained.
- heating can be performed at 150 to 425 for 5 minutes to 24 hours.
- the active energy line include active energy rays such as visible light, ultraviolet light, infrared light, and laser light, X-rays, electron beams, microwaves, and the like. It may be formed by directly applying to a substrate such as a substrate, or a resin film formed on a support such as an organic base material can be used as a dry film by peeling from the support.
- a resin film may be formed on the adhesion layer formed on the substrate.
- the resin film includes, for example, semiconductor interlayer insulating films and surface protective films, multilayer circuit interlayer insulating films, flexible copper-clad force bar coatings, solder resist films, liquid crystal alignment films, and etching.
- Protective film Esu Ching stoppers
- adhesives it can be suitably used as an interlayer insulating film for semiconductors, a surface protective film, and an etching protective film.
- the glass transition temperature of the organic insulating material used here is not particularly limited, but is preferably 400 or more, particularly preferably 420 or more, and most preferably 4500 to 500. When the glass transition temperature is within the above range, the linear expansion coefficient of the resin film can be reduced, and a resin film excellent in dimensional stability can be obtained.
- the thickness of the resin film is not particularly limited, but in an interlayer insulating film for a semiconductor or the like, it is preferably 0.01 to 20 / m, particularly preferably 0.05 to 10 m, and most preferably 0.1. ⁇ 0.7 m is preferred. If the thickness is within the above range, the semiconductor manufacturing process is excellent.
- the organic insulating material or the resin varnish is directly applied to a predetermined position such as a silicon wafer or a ceramic substrate to form a coating film.
- Application methods include spin coating using spin coating, spray coating using a spray coater, dipping, printing, and roll coating. Thereafter, the coating film is dried, the solvent is removed, and a cross-linking reaction is performed by the method using heating, the method of irradiating active energy rays, the method using both of these methods, and the like to form an interlayer insulating film. wear.
- the resin film varnish may be used as a dry film in advance, and may be laminated at a predetermined position.
- the organic insulating material or the resin film varnish is disposed at a predetermined position such as a silicon wafer or a ceramic substrate in the same manner as the semiconductor interlayer insulating film.
- Application methods include spin coating using a spinner, spray coating using a sprayer, dipping, printing, roll coating, etc. The method is mentioned. Thereafter, the coating film is dried, the solvent is removed, and the resin film is formed by a crosslinking reaction by a method using heating, a method of irradiating active energy rays, a method using both of these methods, and the like. It can be a protective film.
- the thickness of the protective film for a semiconductor is not particularly limited, but is preferably 0.05 to 70 m, particularly preferably 0.0 :! to 50 ⁇ m. When the thickness is within the above range, both the protective properties and workability of the semiconductor element are particularly excellent.
- FIG. 1 is a cross-sectional view schematically showing an example of a semiconductor device of the present invention.
- a semiconductor device 100 is provided on a semiconductor substrate 1 on which elements are formed and on the upper side of the semiconductor substrate 1 (upper side in FIG. 1).
- the silicon nitride film 2, the interlayer insulating film 3 provided on the silicon nitride film 2, and the copper wiring layer 4 covered with the barrier layer 6 are provided.
- a recess corresponding to the pattern to be wired is formed in the interlayer insulating film 3, and a copper wiring layer 4 is provided in the recess.
- a modified treatment layer 5 is provided between the interlayer insulating film 3 and the copper wiring layer 4.
- An eighth mask layer 7 is formed on the upper side of the interlayer insulating film 3 (on the side opposite to the silicon nitride film 2).
- a varnish can be applied directly on the silicon nitride film 2 of the semiconductor substrate 1, but a resin film dry film is prepared in advance. It can also be formed so as to be laminated on the silicon nitride film 2. More specifically, the organic insulating material obtained above is formed on the silicon nitride film 2 of the semiconductor substrate 1.
- a coating varnish containing a coating material can be directly applied to form a coating film, and then cured by heating and / or irradiation with active energy rays.
- a coating varnish containing the organic insulating material obtained above is used in advance to form a resin layer on the substrate and then drying to form a dry film. It can be formed by laminating on the silicon nitride film 2 of the substrate 1 and curing by heating and irradiation with active energy rays.
- the semiconductor device 100 using the interlayer insulating film 3 has been described.
- the present invention is not limited to this.
- the semiconductor device according to the present invention uses the interlayer insulating film as described above, it has excellent dimensional accuracy and can sufficiently exhibit insulation, thereby providing excellent connection reliability.
- reaction solution was poured into 200 ml of 10% aqueous hydrochloric acid, extracted with 40 ml of dichloromethane each time, washed three times with 40 ml of water, dried over magnesium sulfate, and the organic layer was concentrated. 3, 3,, 5, 5,-tetrakis (dibromoethyl)-1, 1,--Vadamantan 18.2 g was obtained.
- n 1 8, 2 0 0.
- the residual ratio of unreacted unsaturated bonds in the prepolymer was determined by comparing the IR spectrum derived from the carbon-carbon triple bond of the polyadamantane structure compound before the reaction and the IR spectrum derived from the carbon-carbon triple bond of the prepolymer.
- the unreacted unsaturated bond residue rate was 61%, as calculated from the absorbance ratio.
- IR analysis was performed using FTIR 8900 manufactured by SHIM AD ZU. 1 g of the obtained prepolymer was dissolved in 27 g of cyclopentane, and filtered through Teflon (registered trademark) Filyu, to obtain a varnish for an organic insulating film.
- a silicon nitride layer is formed on a semiconductor substrate, and the above-mentioned y varnish for an organic insulating film is applied on the silicon nitride layer, followed by heat treatment at 4 00 for 1 hour, and a 0.1 m thick interlayer An insulating film was formed.
- metal wiring was formed in the interlayer insulating film so as to form a predetermined pattern, thereby obtaining a semiconductor device.
- the product was shown to be 3,3,5,5'-tetramethyl-1,7'1 jib-mouth-1,1,1 'biadamantane.
- Example 2 1, and biadamantan 5 g were used in the same manner as in Example 1 (2) to obtain a preboli-ma.
- the number average molecular weight of the obtained prepolymers was 2 1,300.
- the unreacted unsaturated bond residue rate was 21%.
- 3 g of the obtained prepolymer was dissolved in 27 g of cyclopentanone and filtered with a filter to obtain a varnish for an organic insulating film.
- Example 1 (3) Using the organic insulating film varnish obtained above, the same procedure as in Example 1 (3) was performed to obtain a semiconductor device.
- Example 1 (2) 5 g of 3,3 ′, 5,5′-tetraethynyl 1,1′1 biadamantane was added to 4,9 one ethynyldia obtained in Example 3 (1) above.
- a prepolymer was obtained in the same manner as in Example 1 (2) except that 5 g of mantan was used.
- the number average molecular weight of the obtained precolima was 36,500.
- the unreacted unsaturated bond residue rate was 25%.
- 3 g of the obtained prepolymer was dissolved in 27 g of cyclopentanone and filtered through a filter to obtain a varnish for an organic insulating film.
- Example 1 (3) Using the organic insulating film varnish obtained above, the same procedure as in Example 1 (3) was performed to obtain a semiconductor device.
- dichlorobis (triphenylphosphine) no "Radium (II) 0.058 g (0.08 2 mm o 1) was added and reacted for 5 hours at 11.0 in a dry nitrogen atmosphere. After the reaction, tritylamine and pyridine were distilled off, and a 2 mol ZL aqueous hydrochloric acid solution (500 ml) was added to precipitate a precipitate, which was filtered off, filtered with water (500 ml) and methanol (5 ml).
- Example 1 (3) Using the organic insulating film varnish obtained above, the same procedure as in Example 1 (3) was performed to obtain a semiconductor device.
- the reaction solution was added to 1 and stirred.
- the aqueous layer was removed, and the organic layer was put into a casene 200,000 m 1.
- the precipitate is filtered, and the pH is 1 0 0 0 m
- Example 4 (2) 3, 3 ′, 5, 5, —Tetramethyl-7, 7, 1 bis (phenylethynyl) 1, 1 ′ — 5 g of biadamantane was added to Example 5 (1 ), 3, 3, 5, 5, 5-tetramethyl-7, 7, 1 bis (3,5-ethynylphenyl) _ 1, 1 '
- a prevolima was obtained.
- the number average molecular weight of the obtained prepolymer was 46,600.
- the unreacted unsaturated bond residue rate was 45%.
- 3 g of the obtained prepolymer was dissolved in 27 g of cyclopentanone and filtered through a filter to obtain an organic insulating film varnish.
- Example 1 (3) Using the organic insulating film varnish obtained above, the same procedure as in Example 1 (3) was performed to obtain a semiconductor device.
- Example 5 (1) 3, 3 ′, 5, 5′—tetramethyl-7,7, 1 dibromo-1,1, and 1 biadamantane 50 g (1 0 3.2 mm o 1) 4, 9-Dibromodiamantane Except for 35.7 g (1 0 3.2 mm o 1), everything is carried out in the same manner as in Example 5 (1). As a result, 4,9 bis (3,5-decynylphenyl) diamantane 3 8 g was obtained.
- Example 4 (2) 5 g of 3, 3 ′, 5, 5 ′ —Tedramethyl—7, 7, 1 bis (phenethylinyl) — 1, 1, —biadamantane was added to Example 6 (1 ) was obtained in the same manner as in Example 4 (2) except that 5 g of 4,9_bis (3,5-decynylphenyl) diamantane obtained in 1) was obtained.
- the number average molecular weight of the obtained prepolymer was 50,100.
- the residual ratio of unreacted unsaturated bonds was 25%.
- 1 g of the obtained precolima was dissolved in 27 g of cyclobennone and filtered with a filter to obtain a varnish for an organic insulating film.
- Example 1 (3) Using the organic insulating film varnish obtained above, the same procedure as in Example 1 (3) was performed to obtain a semiconductor device.
- Example 1 (1) 1-bromoadamantane 64.5 g (0.3 mo 1) was changed to 4-bromo-diamantane 80.2 g (0.3 mo 1) and bromine 3 5 g ( 70 g of product was obtained in the same manner as in Example 1 (1) except that 0.22 mo 1).
- IR Analysis shows that the absorption of the bromo group is between 6 90 and 5 15 cm— 1 , and the mass analysis shows that the molecular weight is 5 3 2, which indicates that the product is 9, 9′-dibromo 1, 4, It was shown to be bibi (diamantane).
- Example 5 In Example 5 (1), 3, 3 ′, 5, 5,
- Example 4 (2) Except that 5 g was changed to 9, 9, 9-bis (3,5-ethynylphenyl) 1-4,4, -bisiamantane 5 g obtained in Example 7 (1) above, Example 4 (2) and A prebolimer was obtained in the same manner.
- the number average molecular weight of the obtained prepolymer was 67,200.
- the unreacted unsaturated bond residue rate was 38%.
- 3 g of the obtained prepolymer was dissolved in 27 g of cyclopentane, and filtered through a filter to obtain a varnish for an organic insulating film.
- Example 1 (3) Using the organic insulating film varnish obtained above, the same procedure as in Example 1 (3) was performed to obtain a semiconductor device.
- reaction solution is poured into 40 ml of 10% aqueous hydrochloric acid, extracted three times with 80 ml of dichloromethane, washed with 80 ml of water, dried over magnesium sulfate, and the organic layer is concentrated.
- dichlorobis (triphenylphosphine) palladium (II) 0.1 1 6 g (0.1 6 4 mm o 1) g was added, and the reaction was carried out at 1 10 under a dry nitrogen atmosphere for 5 hours. . After the reaction, triethylamine and pyridine were distilled off, and 100 ml of 2 mo 1 ZL hydrochloric acid aqueous solution was added to precipitate a precipitate.
- Example 1 (2) 3, 3 ′, 5, 5′—tetraethynyl-1,1′—biadamantane 5 g was used in the same manner as Example 3, (3) obtained in Example 9 (1).
- Prebolima 1 was obtained in the same manner as in Example 1 (2) except that 5 g of 3,,, 1,, and 1 tetaradamantane was used.
- the number average molecular weight of the obtained prepolymers was 1 30 and 90.
- the residual ratio of unreacted unsaturated bonds was 23%.
- 3 g of the obtained prepolymer was dissolved in 27 g of cyclopentanone and filtered with a filter to obtain a varnish for an organic insulating film.
- Example 1 (3) Using the organic insulating film varnish obtained above, the same procedure as in Example 1 (3) was performed to obtain a semiconductor device.
- Example 1 In Example 1 (2), 3, 3 ', 5, 5'-Teethlaethynyl 1, 1, 1 g diadamantane 5 g, 3, 3, 5, 5, 1 tetramethyl 1, 7, Bis [3,5_bis (Phenyruetinyl) phenyl] 1, 1,, —Example 1 except that 5 g of biadamantane is used.
- a prebolimer was obtained.
- the number average molecular weight of the obtained prepolymers was 5500 and 600.
- the obtained prepolymer was insoluble in cyclopentane and could not be used as a varnish for organic insulating films.
- Example 4 (2) 3, 3 ′, 5, 5′-tetramethyl-7, 7, monobis (phenylethynyl) 1, 1, 1 and 5 g of beadamantane were added to 3, 3, 5 , 5-tetramethyl-7,7'-jetinyl-1,1,1'-biadamantane 5 g was used in the same manner as in Example 4 (2) to obtain a prebolimer.
- the number average molecular weight of the obtained prepolymer was 1,600.
- 3 g of the obtained prepolymer was dissolved in 27 g of cyclopentene and was filtered through a filter to obtain a varnish for an organic insulating film.
- the organic insulating film varnish was applied in the same manner as in Example 1 (3), but an interlayer insulating film could not be formed due to poor appearance.
- the unreacted unsaturated bond residue rate was 28%.
- 3 g of the obtained prepolymer was dissolved in 27 g of anisole and filtered through a filter to obtain an organic insulating film varnish.
- Example 1 (3) For this varnish for organic insulating film, Example 1 (3) and The same procedure was performed to form an interlayer insulating film to obtain a semiconductor device.
- the insulating film obtained above was measured at a maximum load of 10 mg and a load speed of l mgZsec using an ultrafine hardness meter ENT-1100 manufactured by Elionix.
- Relative permittivity (capacitance measurement X film thickness) / (vacuum permittivity
- the heat resistance was evaluated by the glass transition temperature and the thermal decomposition temperature.
- the glass transition temperature was measured using a dynamic viscoelasticity measurement device (DM S 6 10 0 manufactured by Seiko Inn Sturmen Co., Ltd.) with a nitrogen gas 300 mLZ min. Measurement was performed under the conditions of 3 "CZmin., Frequency 1 Hz, and the peak top temperature of ta ⁇ ⁇ was defined as the glass transition temperature.
- the thermal decomposition temperature of the obtained insulating film was increased under a nitrogen gas SOO mLZm in flow using a TGZD TA measuring device (TGGD TA 2 20 manufactured by Seiko Instruments Inc.). The temperature at which the mass reduction reached 5% was determined as the thermal decomposition temperature.
- TGGD TA 2 20 manufactured by Seiko Instruments Inc.
- Examples 1 to 9 all had a higher elastic modulus than Comparative Example 3 and were excellent in mechanical properties. In addition, Examples 1 to 9 were all shown to have a lower dielectric constant than Comparative Example 3 and excellent dielectric properties. Further, it was shown that Examples 1 to 9 all had a higher thermal decomposition temperature than Comparative Example 3 and were excellent in heat resistance.
- the wiring delay rate was evaluated for the obtained semiconductor device.
- the degree of wiring delay between the semiconductor device obtained by using the interlayer insulating films of Examples 1 to 9 and a semiconductor device having the same structure as this semiconductor device and having the Si 0 2 insulating film was compared.
- the signal delay time obtained by converting from the transmission frequency of the ring oscilloscope was adopted.
- S i ⁇ wiring delay less than a semiconductor device having a second insulating film it was confirmed that there is improved by about 25% of the velocity average It was.
- the organic insulation material and the varnish for resin films which have low dielectric constant, high heat resistance, and high mechanical strength can be provided.
- the resin film obtained from the organic insulating material and the resin film varnish is excellent in heat resistance, mechanical characteristics, and electrical characteristics, and particularly has a low dielectric constant. Therefore, a semiconductor device using the resin film reduces wiring delay. Can do.
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- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Formation Of Insulating Films (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
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Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08722087.7A EP2157107B1 (en) | 2007-03-20 | 2008-03-07 | Organic insulating material, varnish for resin film using the same, resin film and semiconductor device |
CN2008800083685A CN101646697B (zh) | 2007-03-20 | 2008-03-07 | 有机绝缘材料、使用该有机绝缘材料的树脂膜用清漆、树脂膜以及半导体装置 |
JP2009505183A JPWO2008114705A1 (ja) | 2007-03-20 | 2008-03-07 | 有機絶縁材料、それを用いた樹脂膜用ワニス、樹脂膜並びに半導体装置 |
KR1020097019582A KR101145555B1 (ko) | 2007-03-20 | 2008-03-07 | 유기 절연 재료, 그것을 이용한 수지막용 바니시, 수지막 및 반도체 장치 |
US12/557,530 US20100004379A1 (en) | 2007-03-20 | 2009-09-11 | Organic insulating material, varnish for resin film using the same, resin film and semiconductor device |
US13/050,943 US8524847B2 (en) | 2007-03-20 | 2011-03-18 | Organic insulating material, varnish for resin film using the same, resin film and semiconductor device |
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JP2007073129 | 2007-03-20 | ||
JP2007-073129 | 2007-03-20 | ||
JP2007-250230 | 2007-09-26 | ||
JP2007250230 | 2007-09-26 |
Related Child Applications (1)
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US12/557,530 Continuation US20100004379A1 (en) | 2007-03-20 | 2009-09-11 | Organic insulating material, varnish for resin film using the same, resin film and semiconductor device |
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WO2008114705A1 true WO2008114705A1 (ja) | 2008-09-25 |
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US (2) | US20100004379A1 (ja) |
EP (1) | EP2157107B1 (ja) |
JP (1) | JPWO2008114705A1 (ja) |
KR (1) | KR101145555B1 (ja) |
CN (1) | CN101646697B (ja) |
TW (1) | TW200906875A (ja) |
WO (1) | WO2008114705A1 (ja) |
Cited By (2)
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JP2010077395A (ja) * | 2008-08-25 | 2010-04-08 | Sumitomo Bakelite Co Ltd | 絶縁膜用重合体及びその重合方法、絶縁膜ならびに電子デバイス |
JP2010215819A (ja) * | 2009-03-17 | 2010-09-30 | Sumitomo Bakelite Co Ltd | 膜形成用組成物、絶縁膜および半導体装置 |
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JP5458884B2 (ja) * | 2007-07-30 | 2014-04-02 | 住友ベークライト株式会社 | 絶縁膜形成用重合体、絶縁膜形成用組成物、絶縁膜及びそれを有する電子デバイス |
JP5915452B2 (ja) * | 2011-09-30 | 2016-05-11 | Jsr株式会社 | レジスト下層膜形成用組成物、レジスト下層膜及びその形成方法、並びにパターン形成方法 |
US10307562B2 (en) * | 2012-04-13 | 2019-06-04 | Fresca Medical, Inc. | Auto-feedback valve for a sleep apnea device |
US10179220B2 (en) * | 2015-08-06 | 2019-01-15 | Rebecca G. Canaday | Animal respiratory treatment masks and system |
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- 2008-03-07 WO PCT/JP2008/054690 patent/WO2008114705A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
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US8524847B2 (en) | 2013-09-03 |
CN101646697A (zh) | 2010-02-10 |
US20100004379A1 (en) | 2010-01-07 |
EP2157107A4 (en) | 2010-12-22 |
JPWO2008114705A1 (ja) | 2010-07-01 |
EP2157107B1 (en) | 2013-05-08 |
US20110172351A1 (en) | 2011-07-14 |
CN101646697B (zh) | 2012-07-04 |
EP2157107A1 (en) | 2010-02-24 |
KR20090122957A (ko) | 2009-12-01 |
TW200906875A (en) | 2009-02-16 |
KR101145555B1 (ko) | 2012-05-15 |
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