JP5571788B2 - ダブルパターニング方法及び材料 - Google Patents
ダブルパターニング方法及び材料 Download PDFInfo
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- JP5571788B2 JP5571788B2 JP2012521647A JP2012521647A JP5571788B2 JP 5571788 B2 JP5571788 B2 JP 5571788B2 JP 2012521647 A JP2012521647 A JP 2012521647A JP 2012521647 A JP2012521647 A JP 2012521647A JP 5571788 B2 JP5571788 B2 JP 5571788B2
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- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000004849 alkoxymethyl group Chemical group 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Natural products C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 1
- 150000001454 anthracenes Chemical class 0.000 description 1
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical class OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Inorganic materials [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- FCNNRHVBTGDERH-UHFFFAOYSA-N cyclohexyl 2,4,6-tri(propan-2-yl)benzenesulfonate Chemical compound CC(C)C1=CC(C(C)C)=CC(C(C)C)=C1S(=O)(=O)OC1CCCCC1 FCNNRHVBTGDERH-UHFFFAOYSA-N 0.000 description 1
- OHHPZPDQZMUTCA-UHFFFAOYSA-N cyclohexyl 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)OC1CCCCC1 OHHPZPDQZMUTCA-UHFFFAOYSA-N 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- YBHMHVKPQRJHPN-UHFFFAOYSA-M dibutyl(naphthalen-1-yl)sulfanium;trifluoromethanesulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)F.C1=CC=C2C([S+](CCCC)CCCC)=CC=CC2=C1 YBHMHVKPQRJHPN-UHFFFAOYSA-M 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000005745 ethoxymethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- MSYLJRIXVZCQHW-UHFFFAOYSA-N formaldehyde;6-phenyl-1,3,5-triazine-2,4-diamine Chemical compound O=C.NC1=NC(N)=NC(C=2C=CC=CC=2)=N1 MSYLJRIXVZCQHW-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 150000002390 heteroarenes Chemical class 0.000 description 1
- 125000001072 heteroaryl group Chemical group 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 1
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000001393 microlithography Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- FPVUZQOOXYYCIH-UHFFFAOYSA-N n,n-diethylethanamine;2-dodecylbenzenesulfonic acid Chemical compound CCN(CC)CC.CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O FPVUZQOOXYYCIH-UHFFFAOYSA-N 0.000 description 1
- MBNFBHWUKYINLL-UHFFFAOYSA-N n,n-diethylethanamine;3-dodecylbenzene-1,2-disulfonic acid Chemical compound CCN(CC)CC.CCCCCCCCCCCCC1=CC=CC(S(O)(=O)=O)=C1S(O)(=O)=O MBNFBHWUKYINLL-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- GNVRJGIVDSQCOP-UHFFFAOYSA-N n-ethyl-n-methylethanamine Chemical compound CCN(C)CC GNVRJGIVDSQCOP-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
- 150000004010 onium ions Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 238000003847 radiation curing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- PNGLEYLFMHGIQO-UHFFFAOYSA-M sodium;3-(n-ethyl-3-methoxyanilino)-2-hydroxypropane-1-sulfonate;dihydrate Chemical compound O.O.[Na+].[O-]S(=O)(=O)CC(O)CN(CC)C1=CC=CC(OC)=C1 PNGLEYLFMHGIQO-UHFFFAOYSA-M 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 125000005017 substituted alkenyl group Chemical group 0.000 description 1
- 125000005415 substituted alkoxy group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- FAYMLNNRGCYLSR-UHFFFAOYSA-M triphenylsulfonium triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F.C1=CC=CC=C1[S+](C=1C=CC=CC=1)C1=CC=CC=C1 FAYMLNNRGCYLSR-UHFFFAOYSA-M 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- H01L21/3121—Layers comprising organo-silicon compounds
- H01L21/3122—Layers comprising organo-silicon compounds layers comprising polysiloxane compounds
-
- 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
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- 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
- G03F7/075—Silicon-containing compounds
- G03F7/0752—Silicon-containing compounds in non photosensitive layers or as additives, e.g. for dry lithography
-
- 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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/36—Imagewise removal not covered by groups G03F7/30 - G03F7/34, e.g. using gas streams, using plasma
-
- 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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/40—Treatment after imagewise removal, e.g. baking
- G03F7/405—Treatment with inorganic or organometallic reagents after imagewise removal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- 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
- H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02214—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 oxygen
- H01L21/02216—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 oxygen the compound being a molecule comprising at least one silicon-oxygen bond and the compound having hydrogen or an organic group attached to the silicon or oxygen, e.g. a siloxane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
- H01L21/0274—Photolithographic processes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0337—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
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- Computer Hardware Design (AREA)
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- Spectroscopy & Molecular Physics (AREA)
- Wood Science & Technology (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Silicon Polymers (AREA)
- Materials For Photolithography (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Drying Of Semiconductors (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
(I)コーティング組成物を熱酸発生剤、光酸発生剤又はアミン架橋剤から選択される活性剤を含有する第1パターン形成材料の上に塗布するステップであって、該コーティング組成物が、
(i)単位
(HSiO(3−x)/2(OR’)x)m
(RSiO(3−x)/2(OR’)x)n
(R1SiO(3−x)/2(OR’)x)p
(R2SiO(3−x)/2(OR’)x)q
を含み、R’は水素原子又は1〜4個の炭素原子を有する炭化水素基であり、Rはエポキシを含有する基、アクリロキシ官能基を含有する基、及びビニルエーテル基から選択される光硬化性基であり、R1は親水性有機基であり、R2はいずれかの有機補助基であり、xは0、1又は2の値を有し、樹脂中、mは0.10〜0.95の値を有し、nは0.05〜0.7の値を有し、pは0.05〜0.5の値を有し、qは0〜0.5の値を有し、m+n+p+q≒1であるシルセスキオキサン樹脂を含む、ステップと;
(II)該コーティング組成物を硬化機構に露光し、該第1パターン材料の表面上に硬化コーティングを生成するステップと;
(III)いずれの未硬化コーティング組成物も除去するステップと;
(IV)該硬化コーティングをいずれの水平表面からも除去し、該第1パターン材料の側壁上に硬化コーティングをもたらすステップと;
(V)該第1パターン材料を除去し、これにより該基板上に該硬化コーティング組成物からなる第2パターンを生成するステップと
を具える。
(HSiO(3−x)/2(OR’)x)m
(RSiO(3−x)/2(OR’)x)n
(R1SiO(3−x)/2(OR’)x)p
(R2SiO(3−x)/2(OR’)x)q
を含み、R’は水素原子又は1〜4個の炭素原子を有する炭化水素基であり、Rは3−グリシドキシプロピル基又は2−(3,4−エポキシシクロへキシル)−エチル基のようなエポキシ官能基を含有する基、メタクリロキシプロピル基、アクリロキシプロピル基のようなアクリロキシ官能基を含有する基、及びビニルエーテル基から選択される光硬化性基であり、R1は、これらに限定されないが、ポリエチレングリコール基、スルホン酸基、リン酸基から選択される親水性有機基であり、R2はメチル、フェニル基を含むいずれかの有機補助基であり、xは0、1又は2の値を有し、樹脂中、mは0.10〜0.95の値を有し、nは0.05〜0.7の値を有し、pは0.05〜0.5の値を有し、qは0〜0.5の値を有し、m+n+p+q≒1である。一般的にはmは0.2〜0.90、あるいは0.3〜0.85の値を有する。一般的にはnは0.05〜0.50、あるいは0.1〜0.3の値を有する。一般的にはpは0.05〜0.30、あるいは0.1〜0.20の値を有する。一般的にはqは0〜0.25、あるいは0.01〜0.20の値を有する。
(HSiO(3−x)/2(OR’)x)0.5〜0.9(RSiO(3−x)/2(OR’)x)0.1〜0.35(R1SiO(3−x)/2(OR’)x)0.01〜0.2
(Rがエチルシクロヘキセンオキシド(CHEp)であり、R1がポリエチレンオキシド(PEO)であり、R’がH若しくはアルキル基である)
、又は、
(HSiO(3−x)/2(OR’)x)0.5〜0.9(RSiO(3−x)/2(OR’)x)0.1〜0.35(R1SiO(3−x)/2(OR’)x)0.01〜0.2
(Rがメタクリレート基(MA)であり、R1がPEOであり、R’がH又はアルキル基である)
を挙げることができるが、これらに限定されない。
トルエン中のヒドロシルセスキオキサン(Mw=2200、212g、トルエン中12.5重量%)、アリルモノメチルポリエチレングリコール(18.75g)、及びビニルシクロヘキセンオキシド(18.63g)を含有する500mLフラスコに、数滴の白金触媒を添加した。混合物を2時間80℃で撹拌した。溶媒交換により選択された溶媒の溶液を得、10重量%とした。溶液は0.2ミクロンPTFEフィルターを通してろ過し、HDPE瓶に保存した。GPC(vs.PS):Mw=4360、PDI=3.04。
三口3Lフラスコに、酢酸エチル(100g)、Me(OCH2CH2)5〜9O(CH2)3SiCl3(28.84g)、メタクリロキシプロピルトリメトキシシラン(37.25g)、及びHSiCl3(37.25g)を入れた。酢酸エチル(300g)及び水(27g)の溶液をフラスコに1時間かけて添加した。溶液を1時間放置した。次に樹脂溶液をDI水で洗浄し、回転蒸発器を用いてイソブタノールへ溶媒交換した。溶液を揮散させ、i−ブタノール中10重量%まで希釈した。溶液は0.2ミクロンPTFEフィルターを通してろ過し、HDPE瓶に保存した。GPC(vs.PS):Mw=9530、PDI=2.02。
トルエン中のヒドロシルセスキオキサン(424g、Mw=2200、トルエン中12.5重量%)、アリルモノメチルポリエチレングリコール(25g)、及びビニルシクロヘキセンオキシド(37.26g)を含有する500mLフラスコに、数滴の白金触媒を添加した。混合物を2時間室温で撹拌した。溶媒交換により選択された溶媒の溶液を得、10重量%とした。溶液は0.2ミクロンPTFEフィルターを通してろ過し、HDPE瓶に保存した。GPC(vs.PS):Mw=8900、PDI=4.26。
トルエン中のヒドロシルセスキオキサン(153.2g、Mw=2200、トルエン中12.5重量%)、アリルモノメチルポリエチレングリコール(6.25g)、及びビニルシクロヘキセンオキシド(9.31g)を含有する500mLフラスコに、数滴の白金触媒を添加した。混合物を2時間室温で撹拌した。溶媒交換により選択された溶媒の溶液を得、10重量%とした。溶液は0.2ミクロンPTFEフィルターを通してろ過し、HDPE瓶に保存した。GPC(vs.PS):Mw=4360、PDI=3.04。
トルエン中のヒドロシルセスキオキサン(306g、Mw=2200、トルエン中12.5重量%)、アリルモノメチルポリエチレングリコール(12.5g)、及びビニルシクロヘキセンオキシド(18.63g)を含有する500mLフラスコに、数滴の白金触媒を添加した。混合物を2時間室温で撹拌した。溶媒交換により選択された溶媒の溶液を得、10重量%とした。溶液は0.2ミクロンPTFEフィルターを通してろ過し、HDPE瓶に保存した。GPC(vs.PS):Mw=4370、PDI=2.98。
トルエン中のヒドロシルセスキオキサン(37.6g、Mw=2200、トルエン中23.5重量%)、2−アリルオキシテトラヒドロピラン(HOP、6.62g)、及びビニルシクロヘキセンオキシド(4.13g)を含有する250mLフラスコに、数滴のエーテル溶媒中の白金触媒を添加した。混合物を数時間室温で撹拌した。溶媒交換により選択された溶媒の溶液を得、10重量%とした。溶液は0.2ミクロンPTFEフィルターを通してろ過し、HDPE瓶に保存した。GPC(vs.PS):Mw=6730、PDI=3.21。
樹脂に応じて、所定の量の光開始剤、すなわち光酸発生剤(PAG)であるテトラキス−(ペンタフルオロフェニル)ホウ酸(p−イソプロピルフェニル)(p−メチルフェニル)ヨードニウム、又は光ラジカル発生剤(PRG)であるCiba Special ChemicalsのIrgacure 379を10重量%の樹脂溶液に溶解した(表1)。ウェーハ上の膜コーティングはKarl Suss CT62スピンコーターで行った。樹脂溶液はまず0.20ミクロンTEFLONフィルターを通してろ過した後、標準片面4インチ研磨低抵抗ウェーハ又は両面研磨FTIRウェーハ上にスピンコーティングした(とくに指示のない限り回転速度=2000rpm、加速速度=5000、時間=20秒)。ウェーハを120℃で60秒間予備焼成した後、広帯域UV照射を行った(UV線量は表1にJ/m2で示す)。ウェーハを次に120℃で60秒間後焼成した。その後、硬化ウェーハをTMAH溶液(0.24N)中に60秒間浸漬した。後硬化後のTMAH現像剤による膜損失(%)は、硬化ウェーハをTMAH(0.24N)に1分間浸漬する前後の膜厚変化をJ.A.Woollam偏光解析器を用いて測定することにより割り出した。記録した厚さの値は7測定の平均である。
Claims (18)
- (I)コーティング組成物を熱酸発生剤、光酸発生剤又はアミン架橋剤から選択される活性剤を含有する第1パターン形成材料の上に塗布するステップであって、該コーティング組成物が、
(i)単位
(HSiO(3−x)/2(OR’)x)m
(RSiO(3−x)/2(OR’)x)n
(R1SiO(3−x)/2(OR’)x)p
(R2SiO(3−x)/2(OR’)x)q
を含み、R’は水素原子又は1〜4個の炭素原子を有する炭化水素基であり、Rはエポキシを含有する基、(メタ)アクリロキシ官能基を含有する基、及びビニルエーテル基から選択される光硬化性基であり、R1はスルホン酸基、リン酸基又は2−アリルオキシテトラヒドロピランとヒドロシルセスキオキサンとの反応により得られるテトラヒドロピラニルオキシプロピル基であり、R2はいずれかの有機補助基であり、xは0、1又は2の値を有し、樹脂中、mは0.10〜0.95の値を有し、nは0.05〜0.7の値を有し、pは0.05〜0.5の値を有し、qは0〜0.5の値を有し、m+n+p+q=1であるシルセスキオキサン樹脂を含む、ステップと;
(II)該コーティング組成物を硬化機構に露光し、該第1パターン材料の表面上に硬化コーティングを生成するステップと;
(III)いずれの未硬化コーティング組成物も除去するステップと;
(IV)該硬化コーティングをいずれの水平表面からも除去し、該第1パターン材料の側壁上に硬化コーティングをもたらすステップと;
(V)該第1パターン材料を除去し、これにより該基板上に該硬化コーティング組成物からなる第2パターンを生成するステップと
を具える、基板上にパターンを形成する方法。 - mが0.2〜0.90の値を有し、nが0.05〜0.50の値を有し、pが0.05〜0.30の値を有し、qが0〜0.25の値を有する、請求項1に記載の方法。
- mが0.3〜0.85の値を有し、nが0.1〜0.3の値を有し、pが0.1〜0.20の値を有し、qが0.01〜0.20の値を有する、請求項1に記載の方法。
- Rは、R2が1〜4個の炭素原子を有する炭化水素基又はポリエーテル基の、式−R2OCH2CH(O)CH2又はCH2CH2−(C6H9(O))を有するエポキシ基である、請求項1〜3のいずれかに記載の方法。
- Rが3−グリシドキシプロピル基である、請求項4に記載の方法。
- Rが2−(3,4−エポキシシクロへキシル)基である、請求項4に記載の方法。
- Rは、R3が水素原子又はメチル基であり、R4が1〜4個の炭素原子を有する炭化水素基又はポリエーテル基の、式CH2=C(R3)COOR4−を有するアクリロキシ官能基である、請求項1〜3のいずれかに記載の方法。
- Rがメタクリロキシプロピルである、請求項7に記載の方法。
- Rがアクリロキシプロピルである、請求項7に記載の方法。
- Rがビニルエーテル基である、請求項1〜3のいずれかに記載の方法。
- 前記コーティング組成物が溶媒も含む、請求項1に記載の方法。
- 前記コーティング組成物が加熱により熱硬化される、請求項1に記載の方法。
- 前記コーティング組成物が放射線に露光により硬化される、請求項1に記載の方法。
- いずれの未硬化コーティング組成物も現像剤溶液で除去される、請求項1に記載の方法。
- 前記硬化コーティングがいずれの水平表面からも反応性イオンエッチング技術により除去される、請求項1に記載の方法。
- 前記硬化コーティングがCF4でのエッチングにより除去される、請求項1に記載の方法。
- 前記第1パターン形成材料がエッチングにより除去される、請求項1に記載の方法。
- 前記第1パターン形成材料がO2プラズマでのエッチングにより除去される、請求項1に記載の方法。
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JP5663140B2 (ja) * | 2009-01-22 | 2015-02-04 | 東京応化工業株式会社 | 被覆パターン形成方法、レジスト被覆膜形成用材料、パターン形成方法 |
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CN102439523A (zh) | 2012-05-02 |
JP2012533907A (ja) | 2012-12-27 |
WO2011011140A2 (en) | 2011-01-27 |
CN102439523B (zh) | 2015-01-07 |
US8728335B2 (en) | 2014-05-20 |
US20120118856A1 (en) | 2012-05-17 |
JP2014209241A (ja) | 2014-11-06 |
WO2011011140A3 (en) | 2011-03-31 |
KR20120044367A (ko) | 2012-05-07 |
SG177241A1 (en) | 2012-02-28 |
TW201111918A (en) | 2011-04-01 |
TWI497216B (zh) | 2015-08-21 |
KR101295858B1 (ko) | 2013-08-12 |
EP2457126A4 (en) | 2016-05-11 |
EP2457126A2 (en) | 2012-05-30 |
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