JP4516963B2 - フルオロスルホンアミド含有ポリマーを有するネガ型レジスト組成物およびパターン形成方法 - Google Patents
フルオロスルホンアミド含有ポリマーを有するネガ型レジスト組成物およびパターン形成方法 Download PDFInfo
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- JP4516963B2 JP4516963B2 JP2006520525A JP2006520525A JP4516963B2 JP 4516963 B2 JP4516963 B2 JP 4516963B2 JP 2006520525 A JP2006520525 A JP 2006520525A JP 2006520525 A JP2006520525 A JP 2006520525A JP 4516963 B2 JP4516963 B2 JP 4516963B2
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- 239000000203 mixture Substances 0.000 title claims description 48
- 229920000642 polymer Polymers 0.000 title claims description 32
- 238000000034 method Methods 0.000 title claims description 21
- 229920002120 photoresistant polymer Polymers 0.000 title claims description 21
- USPTVMVRNZEXCP-UHFFFAOYSA-N sulfamoyl fluoride Chemical compound NS(F)(=O)=O USPTVMVRNZEXCP-UHFFFAOYSA-N 0.000 title claims description 13
- 239000000463 material Substances 0.000 claims description 25
- 125000000217 alkyl group Chemical group 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 13
- 239000003431 cross linking reagent Substances 0.000 claims description 12
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 10
- JGTNAGYHADQMCM-UHFFFAOYSA-M 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F JGTNAGYHADQMCM-UHFFFAOYSA-M 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 8
- 239000004094 surface-active agent Substances 0.000 claims description 8
- -1 t-butylphenyl Chemical group 0.000 claims description 8
- 238000005530 etching Methods 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 5
- XOYZYOURGXJJOC-UHFFFAOYSA-N bis(2-tert-butylphenyl)iodanium Chemical compound CC(C)(C)C1=CC=CC=C1[I+]C1=CC=CC=C1C(C)(C)C XOYZYOURGXJJOC-UHFFFAOYSA-N 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- VMHPBVYLIQRFMK-UHFFFAOYSA-N (2-tert-butylphenyl)-diphenylsulfanium Chemical compound CC(C)(C)C1=CC=CC=C1[S+](C=1C=CC=CC=1)C1=CC=CC=C1 VMHPBVYLIQRFMK-UHFFFAOYSA-N 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 125000002947 alkylene group Chemical group 0.000 claims description 3
- 229940053198 antiepileptics succinimide derivative Drugs 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims description 3
- YFSUTJLHUFNCNZ-UHFFFAOYSA-M 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate Chemical compound [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 YFSUTJLHUFNCNZ-UHFFFAOYSA-M 0.000 claims description 2
- SSDIHNAZJDCUQV-UHFFFAOYSA-M 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate;triphenylsulfanium Chemical compound C1=CC=CC=C1[S+](C=1C=CC=CC=1)C1=CC=CC=C1.[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 SSDIHNAZJDCUQV-UHFFFAOYSA-M 0.000 claims description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 2
- YEDMAYQPZFPJJV-UHFFFAOYSA-N 3-(1-butoxynaphthalen-2-yl)thiolane Chemical group C1=CC2=CC=CC=C2C(OCCCC)=C1C1CCSC1 YEDMAYQPZFPJJV-UHFFFAOYSA-N 0.000 claims description 2
- WOFBACQRHWCOIZ-UHFFFAOYSA-N CCCCOc1c(ccc2ccccc12)C1CC[SH+]C1.[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 Chemical compound CCCCOc1c(ccc2ccccc12)C1CC[SH+]C1.[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 WOFBACQRHWCOIZ-UHFFFAOYSA-N 0.000 claims description 2
- 150000008049 diazo compounds Chemical class 0.000 claims description 2
- MGFYSGNNHQQTJW-UHFFFAOYSA-N iodonium Chemical compound [IH2+] MGFYSGNNHQQTJW-UHFFFAOYSA-N 0.000 claims description 2
- 125000006502 nitrobenzyl group Chemical group 0.000 claims description 2
- 238000001020 plasma etching Methods 0.000 claims description 2
- WLOQLWBIJZDHET-UHFFFAOYSA-N triphenylsulfonium Chemical compound C1=CC=CC=C1[S+](C=1C=CC=CC=1)C1=CC=CC=C1 WLOQLWBIJZDHET-UHFFFAOYSA-N 0.000 claims description 2
- 239000012953 triphenylsulfonium Substances 0.000 claims description 2
- AULVKNWWHDHKKL-UHFFFAOYSA-N (2,6,7,8,9,10,10-heptafluoro-3,5-dioxo-4-azatricyclo[5.2.1.02,6]dec-8-en-1-yl) 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate Chemical compound FC12C3(C(=C(C(C1(C(NC2=O)=O)F)(C3(F)F)F)F)F)OS(=O)(=O)C(C(C(C(F)(F)F)(F)F)(F)F)(F)F AULVKNWWHDHKKL-UHFFFAOYSA-N 0.000 claims 1
- QZHDEAJFRJCDMF-UHFFFAOYSA-M 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexane-1-sulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F QZHDEAJFRJCDMF-UHFFFAOYSA-M 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- QUAPSWNCVZWVNL-UHFFFAOYSA-M bis(2-tert-butylphenyl)iodanium;2,2,3,3,4,4,5,5,6,6-decafluoro-1-(1,1,2,2,2-pentafluoroethyl)cyclohexane-1-sulfonate Chemical compound CC(C)(C)C1=CC=CC=C1[I+]C1=CC=CC=C1C(C)(C)C.FC(F)(F)C(F)(F)C1(S(=O)(=O)[O-])C(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)F QUAPSWNCVZWVNL-UHFFFAOYSA-M 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000004090 dissolution Methods 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- VDDICZVAQMPRIB-UHFFFAOYSA-N (2-hydroxy-1-adamantyl) 2-methylprop-2-enoate Chemical compound C1C(C2)CC3CC2C(O)C1(OC(=O)C(=C)C)C3 VDDICZVAQMPRIB-UHFFFAOYSA-N 0.000 description 7
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- FPOSNZIGNWKAGA-UHFFFAOYSA-N 2-(trifluoromethylsulfonylamino)ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCNS(=O)(=O)C(F)(F)F FPOSNZIGNWKAGA-UHFFFAOYSA-N 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229940124530 sulfonamide Drugs 0.000 description 4
- 150000003456 sulfonamides Chemical class 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- OZAIFHULBGXAKX-VAWYXSNFSA-N AIBN Substances N#CC(C)(C)\N=N\C(C)(C)C#N OZAIFHULBGXAKX-VAWYXSNFSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229940044192 2-hydroxyethyl methacrylate Drugs 0.000 description 2
- JUWSCPBRVFRPFT-UHFFFAOYSA-N 2-methylpropan-2-amine;hydrate Chemical compound O.CC(C)(C)N JUWSCPBRVFRPFT-UHFFFAOYSA-N 0.000 description 2
- XLLXMBCBJGATSP-UHFFFAOYSA-N 2-phenylethenol Chemical compound OC=CC1=CC=CC=C1 XLLXMBCBJGATSP-UHFFFAOYSA-N 0.000 description 2
- REKXXJUJQYYEPL-UHFFFAOYSA-N 3-(2-methylprop-2-enoyl)oxolan-2-one Chemical compound CC(=C)C(=O)C1CCOC1=O REKXXJUJQYYEPL-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- 0 CC(C)N(*)C(C(C)(C)C)=O Chemical compound CC(C)N(*)C(C(C)(C)C)=O 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000004971 Cross linker Substances 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- 125000005647 linker group Chemical group 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- JESXATFQYMPTNL-UHFFFAOYSA-N mono-hydroxyphenyl-ethylene Natural products OC1=CC=CC=C1C=C JESXATFQYMPTNL-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- ICKAEAFPESRWOT-UHFFFAOYSA-N 1,2,2,3,3,4,5,5,6,6-decafluoro-4-(1,1,2,2,2-pentafluoroethyl)cyclohexane-1-sulfonic acid Chemical compound OS(=O)(=O)C1(F)C(F)(F)C(F)(F)C(F)(C(F)(F)C(F)(F)F)C(F)(F)C1(F)F ICKAEAFPESRWOT-UHFFFAOYSA-N 0.000 description 1
- RMSGQZDGSZOJMU-UHFFFAOYSA-N 1-butyl-2-phenylbenzene Chemical group CCCCC1=CC=CC=C1C1=CC=CC=C1 RMSGQZDGSZOJMU-UHFFFAOYSA-N 0.000 description 1
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 1
- DWYHDSLIWMUSOO-UHFFFAOYSA-N 2-phenyl-1h-benzimidazole Chemical compound C1=CC=CC=C1C1=NC2=CC=CC=C2N1 DWYHDSLIWMUSOO-UHFFFAOYSA-N 0.000 description 1
- JFUOAGBSDGCVES-UHFFFAOYSA-N 3-but-2-enyl-4-methylpyrrolidine-2,5-dione Chemical group CC=CCC1C(C)C(=O)NC1=O JFUOAGBSDGCVES-UHFFFAOYSA-N 0.000 description 1
- 241000723346 Cinnamomum camphora Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- ZHCJKIOPYDCQOC-UHFFFAOYSA-N butyl 2-methylprop-2-enoate;hydrochloride Chemical compound Cl.CCCCOC(=O)C(C)=C ZHCJKIOPYDCQOC-UHFFFAOYSA-N 0.000 description 1
- 229960000846 camphor Drugs 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical group 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 229940116333 ethyl lactate Drugs 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical class I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 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
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- GRGCWBWNLSTIEN-UHFFFAOYSA-N trifluoromethanesulfonyl chloride Chemical compound FC(F)(F)S(Cl)(=O)=O GRGCWBWNLSTIEN-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- 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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
-
- 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
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/18—Monomers containing fluorine
-
- 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
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/18—Monomers containing fluorine
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/283—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing one or more carboxylic moiety in the chain, e.g. acetoacetoxyethyl(meth)acrylate
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/38—Esters containing sulfur
- C08F220/387—Esters containing sulfur and containing nitrogen and oxygen
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- G03C1/00—Photosensitive materials
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
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- 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
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- 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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
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Description
ここで化学式中、R3は、水素、炭素数が1〜20の直鎖または分岐鎖アルキル基、炭素数が1〜20の一部もしくは全部がフッ素化された直鎖または分岐鎖アルキル基、またはCNである。さらに
ここで化学式中、tは、0〜3の整数である。
2−アミノエチルメタアクリレート塩酸塩(アルドリッチ社から入手可能)15g(0.091モル)を溶解した無水塩化メチレン250ml溶液に、再蒸留したトリエチルアミン18.4g(0.182モル)を加えた。この混合物を室温で1時間撹拌した後、トリフルオロメタン塩化スルホニル15.3g(0.091モル)を加えた。得られた混合物を、さらに室温で一晩撹拌した。エーテル約200mlを加えた。この混合物をろ過して、生じた沈殿物を除去した。ろ液(filtrate)を、5%HCl100mlで2回、飽和NaHCO3100ml、ブライン(brine)100mlで2回続けて洗浄し、次いでMgSO4で乾燥させた。この溶媒をエバポレート(rotavap)によって除去した。強粘液体約14.5gを得た。この生成物をさらにヘキサン/クロロホルム(1:1)で再結晶により精製して、融点が55〜58℃である白色固体(51%)を約12g得た。
2,2’−アゾビスイソブチロニトリル(AIBN)0.148g(0.0009モル)を、2−トリフルオロメタンスルホニルアミノエチルメタアクリレート(I)4.7g(0.018モル)、ヒドロキシアダマンチルメタアクリレート(IV)2.83g(0.012モル)およびドデカンチオール0.061g(0.0003モル)の2−ブタノン22.6g溶液に加えた。この溶液を乾燥N2で0.5時間バブリングすることによって脱酸素化し、次いで12時間還流(reflux)した。この反応混合物を室温まで冷却し、激しく撹拌しながらヘキサン400mlに沈殿させた。得られた白色固体を濾集し、ヘキサンで数回洗浄し、真空下で60℃で20時間乾燥させた。
次のモノマーを用いて、実施例2と同じ手順を実施した:2−トリフルオロメタンスルホニルアミノエチルメタアクリレート(I)(5.22g、0.02モル)、ヒドロキシアダマンチルメタアクリレート(IV)(3.78g、0.016モル)および2−ヒドロキシエチルメタアクリレート(VI)(0.52g、0.004モル)、AIBN(0.197g、0.0012モル)ならびにドデカンチオール(0.081g、0.0004モル)。
次のモノマーを用いて、実施例2と同じ上記の手順を使用した:2−トリフルオロメタンスルホニルアミノエチルメタアクリレート(I)(2.35g、0.009モル)、2−メタクリロイル−γ−ブチロラクトン(XVII)(1.53g、0.009モル)、ヒドロキシアダマンチルメタアクリレート(IV)(2.12g、0.009モル)および2−ヒドロキシエチルメタアクリレート(VI)(0.39g、0.003モル)、AIBN(0.246g、0.0015モル)ならびにドデカンチオール(0.182g、0.0009モル)。
Claims (19)
- ポリマーを含むネガ型レジスト組成物であって、ポリマーが以下の化学式
ここで化学式中、Mは、
Zは、−C(O)O−、−C(O)−、−OC(O)−、−O−C(O)−C(O)−O−またはアルキルからなる群から選択される連結部分であり、
Pは、0または1であり、
R1は、炭素数が1〜20の直鎖または分岐鎖アルキレン基であり、
R2は、水素、フッ素、炭素数が1〜6の直鎖または分岐鎖アルキル基、または一部もしくは全てがフッ素化された炭素数が1〜6の直鎖または分岐鎖アルキル基であり、
nは、1〜6の整数であり、
前記ポリマーがさらに、以下の化学式、
- 感放射線性酸発生剤をさらに含む、請求項1に記載のネガ型レジスト組成物。
- 前記感放射線性酸発生剤が、オニウム塩、スクシンイミド誘導体、ジアゾ化合物およびニトロベンジル化合物からなる群から選択される、請求項3に記載のネガ型レジスト組成物。
- 前記感放射線性酸発生剤が、ペルフルオロブタンスルホン酸4−(1−ブトキシナフチル)テトラヒドロチオフェニウム、ペルフルオロブタンスルホン酸トリフェニルスルホニウム、ペルフルオロブタンスルホン酸t−ブチルフェニルジフェニルスルホニウム、ペルフルオロオクタンスルホン酸4−(1−ブトキシナフチル)テトラヒドロチオフェニウム、ペルフルオロオクタンスルホン酸トリフェニルスルホニウム、ペルフルオロオクタンスルホン酸t−ブチルフェニルジフェニルスルホニウム、ペルフルオロブタンスルホン酸ジ(t−ブチルフェニル)ヨードニウム、ペルフルオロヘキサンスルホン酸ジ(t−ブチルフェニル)ヨードニウム、ペルフルオロエチルシクロヘキサンスルホン酸ジ(t−ブチルフェニル)ヨードニウム、カンファースルホン酸ジ(t−ブチルフェニル)ヨードニウム、およびペルフルオロブチルスルホニルオキシビシクロ[2.2.1]−ヘプト−5−エン−2,3−ジカルボキシイミドからなる群から選択される、請求項3に記載のネガ型レジスト組成物。
- 溶媒、架橋剤、失活剤および界面活性剤のうちの少なくとも1種をさらに含む、請求項1に記載のレジスト組成物。
- R5〜R10が各々、水素、または炭素数が1〜8の直鎖もしくは分岐鎖アルキル基、または炭素数が6〜9のアリル炭化水素基である請求項8に記載のレジスト組成物。
- 前記レジスト組成物が、(i)1〜30重量%の前記ポリマーと、(ii)前記ポリマーの総重量に対して1〜30重量%の架橋剤と、(iii)前記ポリマーの総重量に対して0.5〜20重量%の光酸発生剤と、(iV)前記組成物の70〜99重量%の量存在する溶媒とを含む、請求項6に記載のレジスト組成物。
- 前記レジスト組成物が、(i)5〜15重量%の前記ポリマーと、(ii)前記ポリマーの総重量に対して3〜10重量%の架橋剤と、(iii)前記ポリマーの総重量に対して0.5〜10重量%の光酸発生剤と、(iV)前記組成物の85〜99重量%の量存在する溶媒とを含む、請求項6に記載のレジスト組成物。
- パターン化された材料層を基板上に形成する方法であって、
(a)表面に材料層を有する基板を準備するステップと
(b)前記基板に請求項1に記載したレジスト組成物を塗布し、前記材料層上にレジスト層を形成するステップと、
(c)前記レジスト層を像形成用放射線でパターン状に露光するステップと、
(d)ステップ(c)において像形成用放射線を露光しなかったレジスト層部分を除去し、パターンに対応するレジスト層にスペースを形成するステップと、
(e)ステップ(d)において形成した前記スペースの材料層部分を除去し、それによってパターン化された材料層を形成するステップと、を含む方法。 - 前記レジスト層は前記レジスト層を水溶性アルカリ現像液に接触させて除去し、前記像形成用放射線に露光されなかったレジスト層の一部分は現像溶液に溶解され、前記パターンに対応する前記レジスト層にスペースを形成する、請求項12に記載の方法。
- 前記水溶性アルカリ現像液が、0.263Nの水酸化テトラメチルアンモニウムである、請求項13に記載の方法。
- 前記材料層が、セラミック、誘電体、金属および半導体層からなる群から選択される、請求項12に記載の方法。
- 前記像形成用放射線が、193nm放射線である、請求項12に記載の方法。
- 前記像形成用放射線が、157nm放射線である、請求項12に記載の方法。
- 前記材料層の一部分が、前記レジスト層に形成されたスペースによって前記材料層をエッチングすることで除去される、請求項12に記載の方法。
- 前記材料層の一部分が、反応性イオンエッチングを使用して除去される、請求項12に記載の方法。
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US10/663,553 US6949325B2 (en) | 2003-09-16 | 2003-09-16 | Negative resist composition with fluorosulfonamide-containing polymer |
PCT/US2004/017114 WO2005036261A1 (en) | 2003-09-16 | 2004-06-02 | Negative resist composition with fluorosulfonamide-containing polymer |
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US7189490B2 (en) * | 2002-10-21 | 2007-03-13 | Shipley Company, L.L.C. | Photoresists containing sulfonamide component |
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US6949325B2 (en) | 2005-09-27 |
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KR20060081403A (ko) | 2006-07-12 |
KR100843804B1 (ko) | 2008-07-03 |
US20050058930A1 (en) | 2005-03-17 |
CN1846169A (zh) | 2006-10-11 |
EP1664923A1 (en) | 2006-06-07 |
JP2007525696A (ja) | 2007-09-06 |
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