JP6118732B2 - 線間間隔が50nm未満であるパターンを有する集積回路を製造するための3個以上の短鎖全フッ素化基Rfを有する界面活性剤の使用方法。 - Google Patents
線間間隔が50nm未満であるパターンを有する集積回路を製造するための3個以上の短鎖全フッ素化基Rfを有する界面活性剤の使用方法。 Download PDFInfo
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-VSOAQEOCSA-N L-altropyranose Chemical compound OC[C@@H]1OC(O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-VSOAQEOCSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 229910003849 O-Si Inorganic materials 0.000 description 1
- 229910003872 O—Si Inorganic materials 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical group [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 description 1
- DINMUZCTQDRTIH-UHFFFAOYSA-M [Na+].FC(C(F)(F)F)(F)C1=C(C=CC=C1)S(=O)(=O)[O-] Chemical compound [Na+].FC(C(F)(F)F)(F)C1=C(C=CC=C1)S(=O)(=O)[O-] DINMUZCTQDRTIH-UHFFFAOYSA-M 0.000 description 1
- SDPVLFJCGHYSNS-UHFFFAOYSA-N [Na].CS(=O)(=O)NC(C(C(F)(F)F)(F)F)(F)F Chemical compound [Na].CS(=O)(=O)NC(C(C(F)(F)F)(F)F)(F)F SDPVLFJCGHYSNS-UHFFFAOYSA-N 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
- 230000002411 adverse Effects 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- LPCWKMYWISGVSK-UHFFFAOYSA-N bicyclo[3.2.1]octane Chemical compound C1C2CCC1CCC2 LPCWKMYWISGVSK-UHFFFAOYSA-N 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- CDAISMWEOUEBRE-JMVOWJSSSA-N cis-inositol Chemical compound O[C@@H]1[C@H](O)[C@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-JMVOWJSSSA-N 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- IMPKVMRTXBRHRB-UHFFFAOYSA-N cyclohexane-1,2,3,4,5-pentol Chemical compound OC1CC(O)C(O)C(O)C1O IMPKVMRTXBRHRB-UHFFFAOYSA-N 0.000 description 1
- WESBWDZFWNIVRV-UHFFFAOYSA-N cyclohexane-1,2,3,4-tetrol Chemical compound OC1CCC(O)C(O)C1O WESBWDZFWNIVRV-UHFFFAOYSA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- WVABZRMBCQFXBK-UHFFFAOYSA-N cyclopentylcyclohexane Chemical compound C1CCCC1C1CCCCC1 WVABZRMBCQFXBK-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 1
- CDAISMWEOUEBRE-NIPYSYMMSA-N epi-inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](O)[C@H]1O CDAISMWEOUEBRE-NIPYSYMMSA-N 0.000 description 1
- 235000019414 erythritol Nutrition 0.000 description 1
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 229930182830 galactose Natural products 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 150000002440 hydroxy compounds Chemical class 0.000 description 1
- 125000002951 idosyl group Chemical class C1([C@@H](O)[C@H](O)[C@@H](O)[C@H](O1)CO)* 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- CDAISMWEOUEBRE-GPIVLXJGSA-N inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-GPIVLXJGSA-N 0.000 description 1
- 235000013847 iso-butane Nutrition 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 239000000905 isomalt Substances 0.000 description 1
- 235000010439 isomalt Nutrition 0.000 description 1
- HPIGCVXMBGOWTF-UHFFFAOYSA-N isomaltol Natural products CC(=O)C=1OC=CC=1O HPIGCVXMBGOWTF-UHFFFAOYSA-N 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229940006487 lithium cation Drugs 0.000 description 1
- 239000000845 maltitol Substances 0.000 description 1
- VQHSOMBJVWLPSR-WUJBLJFYSA-N maltitol Chemical compound OC[C@H](O)[C@@H](O)[C@@H]([C@H](O)CO)O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O VQHSOMBJVWLPSR-WUJBLJFYSA-N 0.000 description 1
- 235000010449 maltitol Nutrition 0.000 description 1
- 229940035436 maltitol Drugs 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 229960001855 mannitol Drugs 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- CDAISMWEOUEBRE-GNIYUCBRSA-N muco-inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@H](O)[C@H]1O CDAISMWEOUEBRE-GNIYUCBRSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- UMRZSTCPUPJPOJ-KNVOCYPGSA-N norbornane Chemical compound C1C[C@H]2CC[C@@H]1C2 UMRZSTCPUPJPOJ-KNVOCYPGSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 229930184652 p-Terphenyl Natural products 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 125000005496 phosphonium group Chemical group 0.000 description 1
- 239000011574 phosphorus Chemical group 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- CDAISMWEOUEBRE-CDRYSYESSA-N scyllo-inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O CDAISMWEOUEBRE-CDRYSYESSA-N 0.000 description 1
- TYIBLOPOWDJFJS-UHFFFAOYSA-M sodium 2,2,3,3,3-pentafluoropropane-1-sulfonate Chemical compound [Na+].FC(C(F)(F)F)(F)CS(=O)(=O)[O-] TYIBLOPOWDJFJS-UHFFFAOYSA-M 0.000 description 1
- ZQOXGRIKWKXDIJ-UHFFFAOYSA-M sodium;1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F ZQOXGRIKWKXDIJ-UHFFFAOYSA-M 0.000 description 1
- KKVTYAVXTDIPAP-UHFFFAOYSA-M sodium;methanesulfonate Chemical compound [Na+].CS([O-])(=O)=O KKVTYAVXTDIPAP-UHFFFAOYSA-M 0.000 description 1
- IWDANOJGJIFBEL-UHFFFAOYSA-N spiro[3.4]octane Chemical compound C1CCC21CCCC2 IWDANOJGJIFBEL-UHFFFAOYSA-N 0.000 description 1
- PHICBFWUYUCFKS-UHFFFAOYSA-N spiro[4.4]nonane Chemical compound C1CCCC21CCCC2 PHICBFWUYUCFKS-UHFFFAOYSA-N 0.000 description 1
- NECLQTPQJZSWOE-UHFFFAOYSA-N spiro[5.5]undecane Chemical compound C1CCCCC21CCCCC2 NECLQTPQJZSWOE-UHFFFAOYSA-N 0.000 description 1
- CTDQAGUNKPRERK-UHFFFAOYSA-N spirodecane Chemical compound C1CCCC21CCCCC2 CTDQAGUNKPRERK-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium group Chemical group [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- 239000011593 sulfur Chemical group 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
Classifications
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- 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
- G03F7/0046—Photosensitive materials with perfluoro compounds, e.g. for dry lithography
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
- C09K13/08—Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
-
- 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
-
- 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
- G03F7/0048—Photosensitive materials characterised by the solvents or agents facilitating spreading, e.g. tensio-active agents
-
- 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
- G03F7/20—Exposure; Apparatus therefor
-
- 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
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2041—Exposure; Apparatus therefor in the presence of a fluid, e.g. immersion; using fluid cooling means
-
- 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
- G03F7/30—Imagewise removal using liquid means
- G03F7/32—Liquid compositions therefor, e.g. developers
-
- 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
- G03F7/30—Imagewise removal using liquid means
- G03F7/32—Liquid compositions therefor, e.g. developers
- G03F7/322—Aqueous alkaline compositions
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/22—Electronic devices, e.g. PCBs or semiconductors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Materials For Photolithography (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Weting (AREA)
- Detergent Compositions (AREA)
Description
本出願において引用される文献は、その全てが本願に埋め込まれる。
σ=6・γ・cosθ/D・(H・W)2
・Rf−SO3 −M+(ただし、RfがC1−C12のペルフルオロアルキル基であり、M+がカチオン、プロトン、又はアミノ基である);
・Rf−SO2N−−R1M+(ただし、Rf及びM+は上述の意味であり、R1は水素原子、アルキル基、ヒドロキシアルキル基、アルキルアミンオキシド基、アルキルカルボキシレート基若しくはアミノアルキル基、アルキル基、ヒドロキシアルキル基、アルキルアミンオキシド基、アルキルカルボキシレート基、並びにアミノアルキル基であり、好ましくは1〜6個の炭素原子、及び一般式−(CH2)x−OH(ただしx=1〜6)のヒドロキシアルキル基を有する。
・Rf−Q−R1SO3 −M+(ただし、Rf及びM+は上述の意味を有し、R1は一般式−CnH2n(CHOH)oCmH2m−(n及びmは相互に独立に1〜6であり、oは0〜1である)のアルキレンである。また、R1は任意に、カテナリ―酸素又は窒素により置換され、Qは−O−または−SO2NR2−である。ここで、R2は水素原子、又はアルキル基、アリール基、ヒドロキシアルキル基、アミノアルキル基、若しくはスルホン酸アルキル基であり、1〜6個の炭素原子を有し、任意に一以上のカテナリ―酸素又は窒素のヘテロ原子を含む。さらに、ヒドロキシアルキル基は一般式−CpH2p−OH(pは1−6である)でも良く、アミノアルキル基は一般式−CpH2p−NR3R4(pは1−6である)でも良い。また、R3及びR4は、相互に独立に水素原子又は1〜6個の炭素原子を有するアルキル基である。)。
(1)浸漬フォトレジスト層を有する基板を供給する工程;
(2)マスク及び浸漬液を介してフォトレジスト層を活性光線で露光する工程;
(3)露光されたフォトレジスト層を現像液で現像して50nm未満の線間間隔及び3より大きいアスペクト比を有するパターンを得る工程:
(4)現像したパターン化フォトレジスト層に化学洗浄液を施す工程;
及び、
(5)化学洗浄液を施した後に、基板を回転乾燥する工程;
を有するフォトリソグラフィの方法であって、
浸漬フォトレジスト、現像液、又は化学洗浄液が、1種以上の界面活性剤Aを含み、Aの1質量%の水溶液は静的表面張力が25mN/mを呈する。
二価有機架橋基Lは、それが以下に記載されている疎水性基Dの疎水性に影響を及ぼさないように選択される。
(RfX)nB− (I)
ただし、指数nは、3以上の整数、好ましくは3である。
(CF3−)3C−;
(C2F5−)3C−;
(CF3CF2CF2−)3C−;
[(CF3)2CF−]3C−;
[(CF3)2N−]2CH−;
(CF3−)3C6H2−;(ただし、基Rfは、2,4,6−、2,3,6−、2,3,5−、2,3,4−、又は3,4,5−の位置にある);
(C2F5−)3C6H2−(ただし、基Rfは、2,4,6−、2,3,6−、2,3,5−、2,3,4−、又は3,4,5−の位置にある);
(CF3CF2CF2−)3C6H2−(ただし、基Rfは、2,4,6−、2,3,6−、2,3,5−、2,3,4−、又は3,4,5−の位置にある);
[(CF3)2CF−]3C6H2−(ただし、基Rfは、2,4,6−、2,3,6−、2,3,5−、2,3,4−、又は3,4,5−の位置にある);
[(CF3)2N−]2C6H3−(ただし、基Rfは、2,6−、2,5−、2,4−、2,3−、又は3,4−の位置にある);
又は、
(SF5−)3C6H2−(ただし、基Rfは、2,4,6−、2,3,6−、2,3,5−、2,3,4−、又は3,4,5−の位置にある)。
(DY−)mE (II)
ただし、指数mは1以上の整数である。
WO2008/003443A1の3ペ−ジの1行目〜14ページの12行目、及び90ページの11行目〜144ペ−ジの28行目;
WO2008/003445A1の3ペ−ジの20行目〜40ページの11行目、及び49ページの1行目〜62ページの28行目;
WO2008/003446A1の3ペ−ジの21行目〜14ページの28行目、及び22ページの11行目〜88ページの2行目;
並びに、
WO2009/14980A1の3ペ−ジの4行目〜5ページの13行目、及び6ページの26行目〜13ページの9行目;
さらに、アメリカ特許出願、
US2009/0264525A1における、1ペ−ジの段落[0001]、1ペ−ジの段落[0012]〜20ページの段落[0171]、及び22ページの段落[0206]〜30ページの段落[0303]に記載されている。
−分子量が、2000ダルトン以下、好ましくは1500ダルトン以下、より好ましくは1250ダルトン以下、最も好ましくは1000ダルトン以下である、トリス(ペンタフルオロエチル)ベンゼンスルホン酸ナトリウム塩、及びトリス(ペンタフルオロエチル)ベンゼンスルホン酸ナトリウム塩の同族体であって、スルホネート基が、二価のポリオキシエチレン基を介してトリス(ペンタフルオロエチル)フェニル基に結合するもの;
−分子量が、2000ダルトン以下、好ましくは1500ダルトン以下、より好ましくは1250ダルトン以下、最も好ましくは1000ダルトン以下である、トリス(ヘプタフルオロ−1−イル)メタンスルホン酸ナトリウム塩、及びトリス(ヘプタフルオロ−1−イル)メタンスルホン酸ナトリウム塩の同族体であって、スルホネート基が、二価ポリオキシエチレン基を介してトリス(ヘプタフルオロ−1−イル)メチル基に結合するもの;並びに、
−分子量が、2000ダルトン以下、好ましくは1500ダルトン以下、より好ましくは1250ダルトン以下、最も好ましくは1000ダルトン以下である、トリス(ヘプタフルオロ−1−イル)ベンゼンスルホン酸ナトリウム塩、及びトリス(ヘプタフルオロ−1−イル)ベンゼンスルホン酸ナトリウム塩の同族体であって、スルホネート基が、二価のポリオキシエチレン基を介してトリス(ヘプタフルオロ−1−イル)メチル基に結合するもの。
本発明の方法は、
(1)浸漬フォトレジスト層を有する基板を供給する工程;
(2)マスク及び浸入液体を介して、フォトレジスト層を活性光線で露光する工程;
(3)露光したフォトレジスト層を、現像液を用いて現像する工程;
(4)50nm未満、好ましくは32nm以下、最も好ましくは20nm以下の線間間隔、及び3より高い、好ましくは10より高い、より好ましくは50より高い、最も好ましくは75以下のアスペクト比を有するパターンを得るために、現像されたパターンフォトレジスト層に化学洗浄液を施す工程;
及び、
(5)化学洗浄液の施与の後、基板を回転乾燥する工程、
を含む。
静的表面張力は、アメリカ特許出願US2009/0264525A1の30ページの段落[0302]における実施例10の表面張力測定にしたがい測定される。
双方の界面活性剤Aについては、0.1質量%の含有率で、泡圧計の動的表面張力試験における表面張力の急速な減少が生じた。
「Tego Norm」に従う発泡性試験において、界面活性剤は、標準的な界面活性剤であるペルフルオロオクタンスルホン酸ナトリウム塩より著しく発泡性が低かった。
シリコンウェーハに、厚さ1000nmの浸漬フォトレジストの層を設けた。浸入液体として超純水を用いて、フォトレジスト層にマスクを介して波長193nmのUV光を露光した。マスクは、20nmの寸法を有する構成を含んでいた。その後、露光したフォトレジスト層はベークされ、TMAHを含有する水性現像液を用いて現像した。ベークされて現像されたフォトレジスト層に対して、0.02質量%のトリス(ペンタフルオロエチル)メタンスルホン酸ナトリウム塩の同族体又は0.01質量%の同族体トリス(ヘプタフルオロ−1−イル)メタンスルホン酸ナトリウム塩を含む化学洗浄溶液を用いて、化学洗浄処理を施した。化学洗浄液は、液滴状に施した。その後、シリコンウェーハは、回転乾燥した。乾燥されたシリコンウェーハには、いかなるウォーターマークも見られなかった。
Claims (7)
- 1質量%の水溶液の状態で25mN/m未満の静的表面張力を示す界面活性剤Aを、線間間隔が50nm未満のパターンを有する集積回路を製造するために使用する方法であって、
上記界面活性剤(A)が、トリフルオロメチル、ペンタフルオロエチル、1−ヘプタフルオロプロピル、2−ヘプタフルオロプロピル、及びペンタフルオロスルファニルからなる群から選択される3個以上の短鎖全フッ素化基Rfを含み、
全フッ素化基Rfが、同一の多価中心部分Bに結合され、
界面活性剤A中の全フッ素化基Rfが、共有結合、ケイ素原子、窒素原子、リン原子、酸素原子、硫黄原子、及び二価の有機架橋基Lからなる群から選択される架橋部Xを介して多価中心部分Bに結合し、
Rf、B、及びXが、一般式I
(RfX−) n B− (I)
で表される疎水性基D(但し、指数nは3以上の整数)を構成し、
界面活性剤Aが1個以上の疎水性基Dを含み、
当該1個以上の疎水性基Dが、
共有結合、ケイ素原子、窒素原子、リン原子、酸素原子、硫黄原子、又は二価の有機架橋基Lからなる群から選択される架橋部Yを介して、アニオン基、カチオン基、及び非イオン基から成る群から選択される親水基Eに結合し、
上記D、Y、及びEが、一般式II
(DY−) m E (II)
の界面活性剤A(但し、指数mは1以上の整数)を構成し、
前記多価中心部分Bは炭素原子又はベンゼン環であり、
前記界面活性剤Aは、浸漬フォトレジスト層、現像液又は化学洗浄液の成分として使用されることを特徴とする方法。 - 界面活性剤Aを、
浸漬フォトレジスト層と、マスク及び浸漬液を介して活性光線で露光されるフォトレジスト層のための現像液と、32nm以下の線間間隔及び10より大きいアスペクト比を有する高アスペクト比構造を備えるパターン化材料層を洗浄するための化学洗浄液と、において使用する請求項1に記載の使用方法。 - パターン化材料層が、現像されるパターン化フォトレジスト層、パターン化バリア材料層、パターン化マルチスタック材料層、及びパターン化誘電体材料層からなる群から選択される請求項2に記載の使用方法。
- 界面活性剤Aが、
パターン崩壊を防止するため、エッジ粗さを減少させるため、ウォーターマーク欠陥の防止及び除去のため、及び粒子除去による欠陥を防止するために使用される請求項1〜3の何れか1項に記載の使用方法。 - 集積回路が、大規模集積(LSI)、超大規模集積回路(VLSI)、又は極超大規模集積回路(ULSI)を有する請求項1〜4の何れか1項に記載の使用方法。
- (1)浸漬フォトレジスト層を有する基板を供給する工程;
(2)マスク及び浸漬液を介してフォトレジスト層を活性光線で露光する工程;
(3)露光されたフォトレジスト層を現像液で現像して50nm未満の線間間隔及び3より大きいアスペクト比を有するパターンを得る工程:
(4)現像されたパターン化フォトレジスト層に化学洗浄液を施す工程;
及び、
(5)化学洗浄液を施した後に、基板を回転乾燥する工程;
を有し、
浸漬フォトレジスト層、現像液、及び/又は化学洗浄液が、1種以上の前記界面活性剤Aを含むことを特徴とする請求項1〜5のいずれか1項に記載の使用方法。 - 現像されたパターン化フォトレジスト層が、32nm未満の線間隔及び10より大きいアスペクト比を有することを特徴とする請求項6に記載の使用方法。
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KR20140004145A (ko) | 2014-01-10 |
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