TWI266954B - Sulfonates, polymers, resist compositions and patterning process - Google Patents
Sulfonates, polymers, resist compositions and patterning process Download PDFInfo
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- TWI266954B TWI266954B TW093102951A TW93102951A TWI266954B TW I266954 B TWI266954 B TW I266954B TW 093102951 A TW093102951 A TW 093102951A TW 93102951 A TW93102951 A TW 93102951A TW I266954 B TWI266954 B TW I266954B
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- Taiwan
- Prior art keywords
- alkyl group
- group
- carbon atoms
- branched
- linear
- Prior art date
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- 229920000642 polymer Polymers 0.000 title claims abstract description 133
- 239000000203 mixture Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims description 22
- 238000000059 patterning Methods 0.000 title description 3
- 150000003871 sulfonates Chemical class 0.000 title description 3
- 230000008569 process Effects 0.000 title description 2
- -1 sulfonate compound Chemical class 0.000 claims abstract description 194
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 58
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 40
- 230000005855 radiation Effects 0.000 claims abstract description 13
- 238000004090 dissolution Methods 0.000 claims abstract description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims description 97
- 125000000217 alkyl group Chemical group 0.000 claims description 86
- 229920002120 photoresistant polymer Polymers 0.000 claims description 53
- 239000001257 hydrogen Substances 0.000 claims description 39
- 239000011737 fluorine Substances 0.000 claims description 34
- 150000002431 hydrogen Chemical class 0.000 claims description 30
- 125000006165 cyclic alkyl group Chemical group 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 26
- 125000001153 fluoro group Chemical group F* 0.000 claims description 25
- 125000004122 cyclic group Chemical group 0.000 claims description 17
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 15
- 150000007514 bases Chemical class 0.000 claims description 13
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 4
- 125000004434 sulfur atom Chemical group 0.000 claims description 4
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 10
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 20
- 229920005989 resin Polymers 0.000 abstract description 20
- 239000002585 base Substances 0.000 abstract description 8
- 239000003513 alkali Substances 0.000 abstract description 3
- 238000001020 plasma etching Methods 0.000 abstract description 2
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 abstract 1
- 125000003709 fluoroalkyl group Chemical group 0.000 abstract 1
- 239000000178 monomer Substances 0.000 description 67
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine Substances NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 47
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 30
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 28
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 27
- 241000208340 Araliaceae Species 0.000 description 26
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 26
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 26
- 235000003140 Panax quinquefolius Nutrition 0.000 description 26
- 235000008434 ginseng Nutrition 0.000 description 26
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 24
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 23
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 22
- 150000001412 amines Chemical class 0.000 description 20
- 239000011159 matrix material Substances 0.000 description 17
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 16
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 15
- 238000006116 polymerization reaction Methods 0.000 description 15
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 14
- 125000003118 aryl group Chemical group 0.000 description 14
- 239000001294 propane Substances 0.000 description 14
- 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 13
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 13
- 238000003786 synthesis reaction Methods 0.000 description 13
- YXHKONLOYHBTNS-UHFFFAOYSA-N Diazomethane Chemical class C=[N+]=[N-] YXHKONLOYHBTNS-UHFFFAOYSA-N 0.000 description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 12
- 239000003999 initiator Substances 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 11
- 101000692259 Homo sapiens Phosphoprotein associated with glycosphingolipid-enriched microdomains 1 Proteins 0.000 description 10
- 102100026066 Phosphoprotein associated with glycosphingolipid-enriched microdomains 1 Human genes 0.000 description 10
- 101000987219 Sus scrofa Pregnancy-associated glycoprotein 1 Proteins 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 10
- 150000002148 esters Chemical class 0.000 description 10
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 10
- OZAIFHULBGXAKX-VAWYXSNFSA-N AIBN Substances N#CC(C)(C)\N=N\C(C)(C)C#N OZAIFHULBGXAKX-VAWYXSNFSA-N 0.000 description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 238000005227 gel permeation chromatography Methods 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 9
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 9
- DFNYGALUNNFWKJ-UHFFFAOYSA-N aminoacetonitrile Chemical compound NCC#N DFNYGALUNNFWKJ-UHFFFAOYSA-N 0.000 description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 8
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 8
- 238000005481 NMR spectroscopy Methods 0.000 description 7
- 125000003545 alkoxy group Chemical group 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000007334 copolymerization reaction Methods 0.000 description 7
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 7
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 7
- 230000035515 penetration Effects 0.000 description 7
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical class C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 6
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 6
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 6
- 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 6
- 125000004210 cyclohexylmethyl group Chemical group [H]C([H])(*)C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 description 6
- 238000001312 dry etching Methods 0.000 description 6
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 229920006254 polymer film Polymers 0.000 description 6
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 125000003342 alkenyl group Chemical group 0.000 description 5
- 125000002947 alkylene group Chemical group 0.000 description 5
- 125000003710 aryl alkyl group Chemical group 0.000 description 5
- 150000001721 carbon Chemical group 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- RMBPEFMHABBEKP-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2C3=C[CH]C=CC3=CC2=C1 RMBPEFMHABBEKP-UHFFFAOYSA-N 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 125000005842 heteroatom Chemical group 0.000 description 5
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XPDWGBQVDMORPB-UHFFFAOYSA-N trifluoromethane acid Natural products FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 5
- 239000000052 vinegar Substances 0.000 description 5
- 235000021419 vinegar Nutrition 0.000 description 5
- MKHUGLZLKVCOGF-UHFFFAOYSA-N 1-[4-[(6-aminoquinolin-4-yl)amino]phenyl]-3-[5-tert-butyl-2-(3-methylphenyl)pyrazol-3-yl]urea Chemical compound CC1=CC=CC(N2C(=CC(=N2)C(C)(C)C)NC(=O)NC=2C=CC(NC=3C4=CC(N)=CC=C4N=CC=3)=CC=2)=C1 MKHUGLZLKVCOGF-UHFFFAOYSA-N 0.000 description 4
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 4
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- OJGMBLNIHDZDGS-UHFFFAOYSA-N N-Ethylaniline Chemical compound CCNC1=CC=CC=C1 OJGMBLNIHDZDGS-UHFFFAOYSA-N 0.000 description 4
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 4
- SRSXLGNVWSONIS-UHFFFAOYSA-M benzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-M 0.000 description 4
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 4
- 125000004186 cyclopropylmethyl group Chemical group [H]C([H])(*)C1([H])C([H])([H])C1([H])[H] 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 4
- 150000002430 hydrocarbons Chemical group 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- UZCXPYDBYUEZCV-UHFFFAOYSA-N methyl 3-aminopropanoate Chemical compound COC(=O)CCN UZCXPYDBYUEZCV-UHFFFAOYSA-N 0.000 description 4
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 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 4
- DPBLXKKOBLCELK-UHFFFAOYSA-N pentan-1-amine Chemical compound CCCCCN DPBLXKKOBLCELK-UHFFFAOYSA-N 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- VZXTWGWHSMCWGA-UHFFFAOYSA-N 1,3,5-triazine-2,4-diamine Chemical class NC1=NC=NC(N)=N1 VZXTWGWHSMCWGA-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- MHZGKXUYDGKKIU-UHFFFAOYSA-N Decylamine Chemical compound CCCCCCCCCCN MHZGKXUYDGKKIU-UHFFFAOYSA-N 0.000 description 3
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-M Methanesulfonate Chemical compound CS([O-])(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-M 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 229920001214 Polysorbate 60 Polymers 0.000 description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- QSMGOVOQECHDEN-UHFFFAOYSA-N [Cl-].[SH2+]CCCl Chemical compound [Cl-].[SH2+]CCCl QSMGOVOQECHDEN-UHFFFAOYSA-N 0.000 description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 150000001924 cycloalkanes Chemical class 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 125000005448 ethoxyethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 3
- 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 3
- 150000002505 iron Chemical class 0.000 description 3
- 150000002596 lactones Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000000269 nucleophilic effect Effects 0.000 description 3
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 150000004060 quinone imines Chemical class 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
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- XIGYIASQGPSHDY-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy-phenylphosphane Chemical compound CC(C)(C)OPC1=CC=CC=C1 XIGYIASQGPSHDY-UHFFFAOYSA-N 0.000 description 2
- GILIYJDBJZWGBG-UHFFFAOYSA-N 1,1,1-trifluoropropan-2-ol Chemical compound CC(O)C(F)(F)F GILIYJDBJZWGBG-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 description 2
- OXHNLMTVIGZXSG-UHFFFAOYSA-N 1-Methylpyrrole Chemical compound CN1C=CC=C1 OXHNLMTVIGZXSG-UHFFFAOYSA-N 0.000 description 2
- WNQSKPOIYILBMI-UHFFFAOYSA-N 1-[butylsulfonyl(diazo)methyl]sulfonylbutane Chemical compound CCCCS(=O)(=O)C(=[N+]=[N-])S(=O)(=O)CCCC WNQSKPOIYILBMI-UHFFFAOYSA-N 0.000 description 2
- WUYAQJZXAJBVFT-UHFFFAOYSA-N 1-[diazo(propylsulfonyl)methyl]sulfonylpropane Chemical compound CCCS(=O)(=O)C(=[N+]=[N-])S(=O)(=O)CCC WUYAQJZXAJBVFT-UHFFFAOYSA-N 0.000 description 2
- JOLQKTGDSGKSKJ-UHFFFAOYSA-N 1-ethoxypropan-2-ol Chemical compound CCOCC(C)O JOLQKTGDSGKSKJ-UHFFFAOYSA-N 0.000 description 2
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- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- SAFWZKVQMVOANB-UHFFFAOYSA-N 2-[tert-butylsulfonyl(diazo)methyl]sulfonyl-2-methylpropane Chemical compound CC(C)(C)S(=O)(=O)C(=[N+]=[N-])S(=O)(=O)C(C)(C)C SAFWZKVQMVOANB-UHFFFAOYSA-N 0.000 description 2
- JESXATFQYMPTNL-UHFFFAOYSA-N 2-ethenylphenol Chemical compound OC1=CC=CC=C1C=C JESXATFQYMPTNL-UHFFFAOYSA-N 0.000 description 2
- RFONZLGCNSSOMH-UHFFFAOYSA-N 2-pentoxyethanamine Chemical compound CCCCCOCCN RFONZLGCNSSOMH-UHFFFAOYSA-N 0.000 description 2
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 2
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- NECRQCBKTGZNMH-UHFFFAOYSA-N 3,5-dimethylhex-1-yn-3-ol Chemical compound CC(C)CC(C)(O)C#C NECRQCBKTGZNMH-UHFFFAOYSA-N 0.000 description 2
- ACRWYXSKEHUQDB-UHFFFAOYSA-N 3-phenylpropionitrile Chemical compound N#CCCC1=CC=CC=C1 ACRWYXSKEHUQDB-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
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- KZQFPRKQBWRRHQ-UHFFFAOYSA-N phenyl 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)OC1=CC=CC=C1 KZQFPRKQBWRRHQ-UHFFFAOYSA-N 0.000 description 1
- WXVUCMFEGJUVTN-UHFFFAOYSA-N phenyl methanesulfonate Chemical compound CS(=O)(=O)OC1=CC=CC=C1 WXVUCMFEGJUVTN-UHFFFAOYSA-N 0.000 description 1
- GRJHONXDTNBDTC-UHFFFAOYSA-N phenyl trifluoromethanesulfonate Chemical compound FC(F)(F)S(=O)(=O)OC1=CC=CC=C1 GRJHONXDTNBDTC-UHFFFAOYSA-N 0.000 description 1
- COLNVLDHVKWLRT-UHFFFAOYSA-N phenylalanine Natural products OC(=O)C(N)CC1=CC=CC=C1 COLNVLDHVKWLRT-UHFFFAOYSA-N 0.000 description 1
- KTNLYTNKBOKXRW-UHFFFAOYSA-N phenyliodanium Chemical compound [IH+]C1=CC=CC=C1 KTNLYTNKBOKXRW-UHFFFAOYSA-N 0.000 description 1
- RPGWZZNNEUHDAQ-UHFFFAOYSA-O phenylphosphanium Chemical compound [PH3+]C1=CC=CC=C1 RPGWZZNNEUHDAQ-UHFFFAOYSA-O 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- QHDUBNMGSDGCKZ-UHFFFAOYSA-N piperidin-1-ium;propanoate Chemical compound CCC(O)=O.C1CCNCC1 QHDUBNMGSDGCKZ-UHFFFAOYSA-N 0.000 description 1
- 229960005235 piperonyl butoxide Drugs 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000259 polyoxyethylene lauryl ether Polymers 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 1
- 239000000249 polyoxyethylene sorbitan monopalmitate Substances 0.000 description 1
- 235000010483 polyoxyethylene sorbitan monopalmitate Nutrition 0.000 description 1
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 description 1
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 150000004033 porphyrin derivatives Chemical class 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 125000001844 prenyl group Chemical group [H]C([*])([H])C([H])=C(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- HNDXKIMMSFCCFW-UHFFFAOYSA-N propane-2-sulphonic acid Chemical compound CC(C)S(O)(=O)=O HNDXKIMMSFCCFW-UHFFFAOYSA-N 0.000 description 1
- 125000006233 propoxy propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])OC([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000006225 propoxyethyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 1
- 125000005767 propoxymethyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])[#8]C([H])([H])* 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 description 1
- 229940083082 pyrimidine derivative acting on arteriolar smooth muscle Drugs 0.000 description 1
- 150000003230 pyrimidines Chemical class 0.000 description 1
- 150000003233 pyrroles Chemical class 0.000 description 1
- KJYQFKHWBPJCMA-UHFFFAOYSA-N pyrrolidin-1-yl acetate Chemical compound CC(=O)ON1CCCC1 KJYQFKHWBPJCMA-UHFFFAOYSA-N 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 150000003235 pyrrolidines Chemical class 0.000 description 1
- ZVJHJDDKYZXRJI-UHFFFAOYSA-N pyrroline Natural products C1CC=NC1 ZVJHJDDKYZXRJI-UHFFFAOYSA-N 0.000 description 1
- 150000003236 pyrrolines Chemical class 0.000 description 1
- QZZYYBQGTSGDPP-UHFFFAOYSA-N quinoline-3-carbonitrile Chemical compound C1=CC=CC2=CC(C#N)=CN=C21 QZZYYBQGTSGDPP-UHFFFAOYSA-N 0.000 description 1
- 150000003248 quinolines Chemical class 0.000 description 1
- 150000003252 quinoxalines Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 229940035044 sorbitan monolaurate Drugs 0.000 description 1
- 239000001570 sorbitan monopalmitate Substances 0.000 description 1
- 235000011071 sorbitan monopalmitate Nutrition 0.000 description 1
- 229940031953 sorbitan monopalmitate Drugs 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 235000019337 sorbitan trioleate Nutrition 0.000 description 1
- 229960000391 sorbitan trioleate Drugs 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 150000003459 sulfonic acid esters Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- AREFMLYKPYFFOQ-UHFFFAOYSA-N tert-butyl 4,4-bis[4-(1-ethoxypropoxy)phenyl]pentanoate Chemical compound C1=CC(OC(CC)OCC)=CC=C1C(C)(CCC(=O)OC(C)(C)C)C1=CC=C(OC(CC)OCC)C=C1 AREFMLYKPYFFOQ-UHFFFAOYSA-N 0.000 description 1
- ZTKOJFDGOPAIBE-UHFFFAOYSA-N tert-butyl 4,4-bis[4-[(2-methylpropan-2-yl)oxy]phenyl]pentanoate Chemical compound C=1C=C(OC(C)(C)C)C=CC=1C(C)(CCC(=O)OC(C)(C)C)C1=CC=C(OC(C)(C)C)C=C1 ZTKOJFDGOPAIBE-UHFFFAOYSA-N 0.000 description 1
- WMOVHXAZOJBABW-UHFFFAOYSA-N tert-butyl acetate Chemical compound CC(=O)OC(C)(C)C WMOVHXAZOJBABW-UHFFFAOYSA-N 0.000 description 1
- SCSLUABEVMLYEA-UHFFFAOYSA-N tert-butyl pentanoate Chemical compound CCCCC(=O)OC(C)(C)C SCSLUABEVMLYEA-UHFFFAOYSA-N 0.000 description 1
- JAELLLITIZHOGQ-UHFFFAOYSA-N tert-butyl propanoate Chemical compound CCC(=O)OC(C)(C)C JAELLLITIZHOGQ-UHFFFAOYSA-N 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- 125000004192 tetrahydrofuran-2-yl group Chemical group [H]C1([H])OC([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000004187 tetrahydropyran-2-yl group Chemical group [H]C1([H])OC([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 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
- 150000007979 thiazole derivatives Chemical class 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical class OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- UPHHPNIFGJVUCB-UHFFFAOYSA-N trifluoromethanesulfonic acid 1,2,3-trimethyl-9H-fluorene Chemical compound FC(S(=O)(=O)O)(F)F.CC=1C(=C(C=2CC3=CC=CC=C3C2C1)C)C UPHHPNIFGJVUCB-UHFFFAOYSA-N 0.000 description 1
- RKBCYCFRFCNLTO-UHFFFAOYSA-N triisopropylamine Chemical compound CC(C)N(C(C)C)C(C)C RKBCYCFRFCNLTO-UHFFFAOYSA-N 0.000 description 1
- FLTJDUOFAQWHDF-UHFFFAOYSA-N trimethyl pentane Natural products CCCCC(C)(C)C FLTJDUOFAQWHDF-UHFFFAOYSA-N 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical group OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/10—Cereal-derived products
- A23L7/117—Flakes or other shapes of ready-to-eat type; Semi-finished or partly-finished products therefor
- A23L7/135—Individual or non-extruded flakes, granules or shapes having similar size, e.g. breakfast cereals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/63—Esters of sulfonic acids
- C07C309/64—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms
- C07C309/67—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms of an unsaturated carbon skeleton
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
-
- 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
-
- 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
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
- G03F7/0392—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition
-
- 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
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
- G03F7/0392—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition
- G03F7/0397—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition the macromolecular compound having an alicyclic moiety in a side chain
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
- C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/1053—Imaging affecting physical property or radiation sensitive material, or producing nonplanar or printing surface - process, composition, or product: radiation sensitive composition or product or process of making binder containing
- Y10S430/1055—Radiation sensitive composition or product or process of making
- Y10S430/106—Binder containing
- Y10S430/108—Polyolefin or halogen containing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/1053—Imaging affecting physical property or radiation sensitive material, or producing nonplanar or printing surface - process, composition, or product: radiation sensitive composition or product or process of making binder containing
- Y10S430/1055—Radiation sensitive composition or product or process of making
- Y10S430/106—Binder containing
- Y10S430/111—Polymer of unsaturated acid or ester
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Nutrition Science (AREA)
- Materials For Photolithography (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Description
1266954 (1) 玖、發明說明 【發明所屬之技術領域】 本發明係關於在適用於微晶片製造之光阻組成物中作 爲基質樹脂使用之聚合物,及作爲此聚合物之起始單體使 用之磺酸酯,其也關於光阻組成物,尤其是含此聚合物之 化學放大作用光阻組成物,及用其形成圖案之方法。 【先前技術】 在LSI元件中對於更高積體及操作速度之驅動下,使 得圖案界線徹底地細化,對於更細的圖案界線之快速發展 是建立在發展具有增加NA之投影鏡、具有改良的性能之 光阻材料、及較短波長之暴露光,因應對於具有較高解析 度及敏性的光阻材料之需求,根據USP 4,491,628及USP 5,310,619 (JP-B 2-2 7 660 及 JP-A 63-27829)之揭示,經 由光暴露產生的酸催化之化學放大正型作用光阻材料具有 此效應,其現在成爲主要的光阻材料,尤其是用在深UV 石版印刷。 而且從i-線(3 6 5毫微米)改變成較短波長KrF雷射 (248毫微米)造成重大的革新,適用於KrF激光雷射的 的光阻材料享受早期使用在0.30微米製程,通過0.25微 米界線,且目前進入〇 · 1 8微米界線之大量生產階段,工 程師開始硏發〇 . 1 〇微米界線或更細,加速朝向更細的圖 案界線。 對於ArF雷射(193毫微米),預期可以縮小設計界 -6- 1266954 (2) 線至ο · 1 3微米或更細,因爲傳統使用的酚醛淸漆樹脂及 聚乙烯基酚樹脂在約1 9 3毫微米有非強的吸收,其不能作 爲光阻之基質樹脂使用,爲了確保透明度及乾式蝕刻耐受 性’部份工程師硏究丙烯酸及脂環族(典型的環烯烴)樹 脂,例如揭示在 JP-A 9-73173、 JP-A 10-10739、 JP-A 9-23 05 95 及 W0 97/3 3 1 98。 關於F2雷射(157毫微米),其預期可進一步縮小至 〇·1〇微米或更細,因爲發現作爲基質樹脂用於ArF之丙 烯酸樹脂完全不透光且含羰基鍵脂環烯烴樹脂有強烈的吸 收,在確保透明度上產生更多的困難,也發現作爲基質樹 脂用於KrF之聚(乙烯基酚)對於在約160毫微米之吸收 有窗口,如此可些許改進穿透性,但是遠低於實務水準。 因爲羰基及碳對碳雙鍵根據上述在約157毫微米有吸 收,減少此單元之數量是改進穿透性之一個有效方法,目 前發現在F2區域之穿透性可經由將氟原子加入至基質聚 合物而大幅改進。 在 S PIE 2 001,Proceedings 4345-31,“Polymer design for 157 nm chemically amplified resists”中報導,含 α -三 氟甲基丙烯酸第三丁酯與5- (2-羥基-2,2-雙三氟甲基)乙 基-2-原冰片烯之共聚物及α-三氟甲基丙烯酸第三丁酯與 4-(2-羥基-2,2-雙三氟甲基)甲基苯乙烯之共聚物之光阻 組成物,聚合物在1 5 7毫微米之吸收改進至約3,但是, 這些樹脂仍然不夠透明,因爲咸信吸收需要是2或更低才 能經由F2暴露在至少2,000Α之膜厚下形成長方形圖案。 1266954 (3) 本發明者發現將氟化的磺酸乙烯酯單元: α -三氟甲基丙烯酸酯聚合物後,可改進透明 持樹脂之基板黏附力及顯影劑親和力’這些系 約2之吸收。 【發明內容】 本發明之一個目的是提供一種對高至300 空紫外線輻射尤其是F2 ( 157毫微米)、Kr2 ( )、KrAr (134毫微米)及 Ar2(126毫微米 有高穿透性且可在光阻組成物中作爲基質樹脂 聚合物,及作爲聚合物之起始單體使用之新穎 發明之另一個目的是提供一種含此聚合物之光 尤其是化學放大作用的光阻組成物,及使用其 方法。 經發現當從含氟化烷基加入磺酸酯側鏈之 單元之聚合物作爲基質樹脂使用時,所得的光 尤其是化學放大作用的光阻組成物,可以大幅 黏著性而不會破壞透明度。 【實施方式】 在第一個方面,本發明提供一種具有下 之磺酸酯化合物。 混至上述 度且同時保 統仍然具有 毫微米之真 146毫微米 )雷射光束 使用之新穎 磺酸酯,本 阻組成物, 形成圖案之 單體衍生的 阻組成物, 改進對比及 通式(1 ) -8- 1266954 0卞ο ο R1--R2 R3 (1) 其中R1至R3各是氫、氟或含1至20個碳原子之直 鏈、支鏈或環狀烷基或氟化烷基,至少其中一個R1至R3 含氟,R1及R2、R1及R3或R2及R3可一起形成環,當其 形成環時,各R1至R3是含1至18個碳原子之直鏈或支 鏈伸烷基或氟化伸烷基,較宜含1至1 0個碳原子。 在第二個方面,本發明提供一種含下列通式(2 )重 複單元且重量平均分子量是1,000至500, 〇〇〇之聚合物。 0=Γ° 0 R1--R2 R3 (2) 其中R1至R3是定義如上。 在一個較佳的具體實施例中,該聚合物還含至少一種 選自下列通式(3a)至(3f)之重複單元。 1266954 (5)
其中R4、R5、R7、R8及R15各是單鍵或含丨至20個碳原 子之直鏈、支鏈或環狀伸烷基或氟化伸烷基,R6、R9、 R12及R18各是氫或酸不穩定基,R1G、R11、R13、R14、 R16及R17各是氫、氟、含1至20個碳原子之直鏈、支鏈 或環狀烷基或氟化烷基,至少其中一個R16及R17含至少 一個氟原子,R19是含1至20個碳原子之直鏈、支鏈或環 狀氟化烷基,“a”及“b”各是1或2。 在一個較佳的具體實施例中,該聚合物還含下列通式 (4 )之重複單元。 -10- 1266954 (6)
其中 R2() 、氟、-R 鏈、支鏈 R24 含-R2 子之直鏈 酸不穩定 基例如羥 〇 更宜 )之結構 是亞甲基、氧原子或硫原子,R21至R24各是氫 25-OR26、-R25-C02R26或含1至20個碳原子之直 或環狀烷基或氟化烷基,至少其中一個R21至 'OR26 或-R25-C02R26,R25 是含 1 至 20 個碳原 、支鏈或環狀伸烷基或氟化伸烷基,R26是氫、 基、黏附基或含1至20個碳原子且可含親水性 基之直鏈、支鏈或環狀氟化烷基,且c是0或1 式(4 )之重複單元具有下列通式(4a )或(4b
其中R26 個碳原子 至少一個 是定義如上,R2 7至R3G各是氫、氟或含1至4 之烷基或氟化烷基,至少其中一個R27及R28含 氟原子,且至少其中一個R29及R3G含至少一個 氟原子。 •11 - 1266954 (7) 在一個較佳的具體實施例中,該聚合物還含下列通式 (5 )之重複單元。
其中R31是氫、氟、含1至20個碳原子之直鏈、支鏈或 環狀烷基或氟化烷基,R32是單鍵或含1至20個碳原子之 直鏈、支鏈或環狀伸烷基或氟化伸烷基,R33是氫或酸不 穩定基,R3 4是氟或含1至20個碳原子之直鏈、支鏈或環 狀烷基或氟化烷基,d是1或2,且e是0至4之整數, 滿足 1 $ d + e $ 5。 更宜式(5)之重複單元具有下列通式(5a)或(5b )之結構。
(5a) (5b) 其中R33是定義如上,R35至R4G各是氫、氟或含1至4 個碳原子之烷基或氟化烷基,至少其中一個R35及r36含 至少一個氟原子,且至少其中一個R37及R38含至少〜個 -12- 1266954 (8) 氟原子,且至少其中一個R39及R4G含至少一個氟原子。 在另一個較佳的具體實施例中,該聚合物還含下列通 式(6)之重複單元。
其中R41至R43各是氫、氟、含丨至20個碳原子之直鏈 、支鏈或環狀烷基或氟化烷基,且R44是氫、酸不穩定基 、黏附基或含1至20個碳原子且可含親水性基例如羥基 之直鏈、支鏈或環狀氟化烷基,最常R43是三氟甲基。 在第三個方面,本發明提供一種含上述定義的聚合物 之光阻組成物,且更確定地說是含(A)上述定義的聚合 物、(B )有機溶劑及(C )光酸產生劑之化學放大作用 的正型光阻組成物,該光阻組成物還可含(D )鹼性化合 物及/或(E )溶解抑制劑。 在第四個方面,本發明提供一種用於形成光阻圖案之 方法,其步驟包括將上述光阻組成物施加在基板上形成塗 膜;將塗膜熱處理後經由光罩暴露在100至180毫微米或 1至3 0毫微米波長範圍之高能輻射;及視需要熱處理暴 露的塗膜並用顯影劑將其顯影,該高能輻射通常是F2雷 射光束、Ar2雷射光束或軟X-射線。 較佳具體實施例之說明 -13- 1266954 (9) 聚合物 爲了改進穿透性在約至1 5 7毫微米,減少羰基及/或 碳-對-碳雙鍵之數量預期是一種有效的方法,也發現在基 質聚合物中加入氟原子對於改進穿透性有很大的貢獻,事 實上’在其芳族環中加入氟的聚(乙烯基酚)提供接近實 際可接受値之穿透性(見J P - A 2 0 0 1 - 1 4 6 5 0 5 ),但是發現 此種基質聚合物當暴露在從F2雷射之高能輻射時轉變成 負面’干擾其作爲實用光阻之用途,另一方面,發現經由 加入氟至丙烯酸樹脂所得的聚合物或在其結構中含從原冰 片烯衍生物產生的脂環族化合物之聚合物具有高透明度且 消除負面轉化之問題,但是,增加氟添加至樹脂之比例使 強化其透明度,傾向於降低樹脂黏附至基板或顯影劑之穿 透性。 與上述氟化聚合物比較,經發現磺酸酯類雖然有兩個 硫-氧雙鍵,其在約1 5 7毫微米有相當高的穿透性,且含 此磺酸酯之樹脂組成物可大幅改進基板黏附性及顯影劑穿 透性,具體地說,使用衍生自經由加入氟至原本缺乏安定 性的磺酸之三級烷基酯所得的通式(1 )的磺酸酯化合物 之通式(2 )的單元之基質聚合物,可以得到具有酸消除 能力且保持其安定性之光阻組成物。
(2) 0=Γ° 0 R1--R2 R3 (1) -14- 1266954 (10) 其中R至R各是氫、氟或含1至20個碳原子之直鏈、 支鏈或環狀烷基或氟化烷基,至少其中一個Rl至R3含氣 ,R1及R2配對、R1及R3配對或R2及r3配對可一起形 成環’當其形成環時,各R1至R3是含1至18個碳原子 之直鏈或支鏈伸烷基或氟化伸烷基,較宜含1至1 〇個碳 原子。 雖然本發明之聚合物或局分子量化合物是定義爲含通 式(2)之重複單元,較宜摻混至少一種選自通式(3a) 至(3f)之重複單元及/或通式之重複單元及/或 通式(5)之重複單元及/或通式(6)之重複單元,以便 改進溶解對比、基板黏附、乾式蝕刻耐受及其他有用的性 質。
-15 - 1266954 (11) 其中R4、R5、R7、R8及R15各是單鍵或含1至20個 碳原子之直鏈、支鏈或環狀伸院基或氟化伸丨完基,R 6、R9 、R12及R18各是氫或酸不穩定基,R1' Rll、r13、r14、 R16及R17各是氫、氟、含1至20個碳原子之直鏈、支鏈 或環狀烷基或氟化烷基,至少其中一個R16及R17含至少 一個氟原子,R19是含1至20個碳原子之直鏈、支鏈或環 狀氟化烷基,“a”及“b”各是1或2。
其中R20是亞甲基、氧原子或硫原子,R21至R24各 是氫、氟、-R25-〇R26、-R25-C02R26或含1至20個碳原子 之直鏈、支鏈或環狀烷基或氟化烷基,至少其中一個R21 至 R24 含- R25-〇R26 或- R25_C〇2R26,r25 是含 1 至 2〇 個碳 原子之直鏈、支鏈或環狀伸烷基或氟化伸烷基,R26是氫 、酸不穩定基、黏附基或含1至20個碳原子且可含親水 性基例如羥基之直鏈、支鏈或環狀氟化烷基,且c是0或 -16- 1266954 (12)
(R^O~R33)d (5) 其中R31是氫、氟、含1至20個碳原子之直鏈、支 鏈或環狀烷基或氟化烷基,R32是單鍵或含1至20個碳原 子之直鏈、支鏈或環狀伸烷基或氟化伸烷基,R33是氫或 酸不穩定基,R3 4是氟或含1至20個碳原子之直鏈、支鏈 或環狀烷基或氟化院基,、·Ι125-〇Ι126、-R25-C02R26或含 1至20個碳原子之直鏈、支鏈或環狀氟化烷基,d是1或 2,且e是0至4之整數,滿足l‘d + e$5。
⑹ 其中R41至R43各是氫、氟、含丨至20個碳原子之 直鏈、支鏈或環狀烷基或氟化烷基,且R44是氫、酸不穩 定基、黏附基或含1至20個碳原子且可含親水性基例如 羥基之直鏈、支鏈或環狀氟化烷基,最常R43是三氟甲基 〇 較佳的式(4)之重複單元是下列通式(4a)或(4b )之單元。 -17- 1266954 (13)
(4a) (4b) 其中R26是定義如上,R27至R3G各是氫、氟或含1至4 個碳原子之烷基或氟化烷基,至少其中一個r27及R28含 至少一個氟原子,且至少其中一個r29及r3G含至少一個 氟原子。 較佳的式(5 )之重複單元是下列通式(5a )或(5b )—t— 口口 —^ 之單兀。
其中R33是定義如上,R35至R40各是氣、氟或含1至4 個碳原子之烷基或氟化烷基,至少其中一個r3 5及R30含 至少一個氟原子,且至少其中一個r3 7及R38含至少一個 氟原子,且至少其中一個R3 9及R4G含至少一個氟原子。 更確定地說,合適的含1至20個碳原子之直鏈、支 鏈或環狀烷基是包括但不限於甲基、乙基、丙基、異丙基 、正丙基、正丁基、第二丁基、第三丁基、環戊基、環己 •18- (14) 1266954 基、環己基甲基、2-乙基己基、正辛基、2_金剛烷基及2_ (金剛烷基)甲基,較宜是含1至12個碳原子,尤其是 含1至1 0個碳原子。 氟化烷基是對應於上述烷基其中部份或全部氫原子經 氟原子取代,實例包括但不限於三氟甲基、2,2,2-三氟乙 基、3 5 3,3 -二·丙基、1,1,1,3,3,3 -六氟異丙基及 1,1,2,2,3,3,3 -七氟丙基以及下式基。
其中R4 5是氫原子、氟原子或含1至10個碳原子之 直鏈、支鏈或環狀烷基或氟化烷基,且f是〇至5之整數 合適的含1至20個碳原子之直鏈、支鏈或環狀伸烷 基是對應於上述烷基其中消除一個氫原子,氟化伸烷基是 類似於伸烷基其係部份或完全經氟原子取代。 R6、R9、R12、R18、R26、R33及R14代表之酸不穩定 基是選自多種此基,較宜是從下式(7)至(9)之基。 ,50 0 R47 >52 —(CH2)g-^-〇R46--OR49
R 51 r48 ⑺ ⑻ (9) 在式(7 )中,R4 6是含4至20個碳原子且較宜是4 -19- 1266954 (15) 至15個碳原子之三級烷基,或含4至20個碳原子之酮基 烷基,合適的三級烷基包括第三丁基、第三戊基、1,卜二 乙基丙基、1-乙基環戊基、1-丁基環戊基、卜乙基環己基 、1-丁基環己基、1-乙基-2-環戊烯基、1-乙基-2-環己烯 基及2-甲基-2-金剛烷基,合適的酮基烷基包括3-酮基環 己基、4»甲基-2-酮基噚烷-4-基及5-甲基-5-酮基氧戊環-4-基,字母g是〇至6之整數。
式(7 )酸不穩定基之說明但非限制性實例包括第三 丁酯基、第三丁酯基甲基、第三戊酯基、第三戊酯基甲基 、1,1-二乙基丙酯基、1,1-二乙基丙酯基甲基、1-乙基環 戊酯基、1-乙基環戊酯基甲基、1-乙基-2-環戊烯酯基、1-乙基-2-環戊烯酯基甲基、1-乙氧基乙酯基甲基、2 -四氫吡 喃酯基甲基及2-四氫呋喃酯基甲基。
在式(8 )中,R4 7及R48是氫或含;[至18個碳原子 之直鏈、支鏈或環狀烷基,較宜是含1至10個碳原子, 例如甲基、乙基、丙基、異丙基、正丁基、第二丁基、第 三丁基、環戊基、環己基、2-乙基己基及正辛基,R49是 含1至18個碳原子之單價烴基,較宜是含1至1〇個碳原 子,其可含一個雜原子例如氧,例如直鏈、支鏈或環狀烷 基及這些烷基其中部份氫原子是經羥基、烷氧基、酮基、 胺基或烷胺基取代之經取代基,經取代的烷基實例如下。 -20- 1266954 (16)
—(CH2)4 — OH — (CH2)6— OH
—(CH2)2— 〇—(CH2)3CH3 一 (CH2)2 ——0—(CH2)2—OH
R47及R48配對、R47及R49配對或R48及R49配對可 鍵結在一起而形成一個環,當其形成環時,各R47、R48 及R49是含1至1 8個碳原子之直鏈或支鏈伸烷基,較宜 是含1至10個碳原子。 式(8 )之酸不穩定基,直鏈或支鏈者舉例如下。 一 ch2 - 〇- ch3 — ch2- ο - ch2ch3 — ch2- ο - (ch2)2ch3 — ch2- ο - (ch2)3ch3 ch3 ch3 CH3 ch2ch3 —ch2-o-ch-ch3 —ch2-o-c-ch3 ch3 一 CH — 〇-CH3 —CH-0-CH3 (CH2)2CH3 ch3 —ch-o~ch2ch3 ch2ch3 CH3 —CH — 〇-CH3 一 CH— 0—CH2CH3 一 CH— 0 — (CH2)2CH3 ch3 I J ch2ch3 ch2ch3 (CH2)2CH3 一 CH— 0 — (CH2)3CH3 —CH—O — (CH2)2CH3 一 CH — 〇-(CH2)3CH3 一 CH— 0 — (CH2)2CH3 (CH2)2CH3 ch3 ch3 一 ch- ο—(ch2)3ch3 — c—o—ch3 — c—o—ch2ch3 ch3 ch3 ch3 I J 一 CH—0
ch3 I d 一CH—0 式(8 )之酸不穩定基,環狀者是例如四氫呋喃-2-基 、2-甲基四氫呋喃-2-基、四氫吡喃-2-基及2_甲基四氫吡 喃-2-基。 對於式(8)之基,較宜是乙氧基乙基、丁氧基乙基 -21 - 1266954 (17) 及乙氧基丙基。 在式(9 )中,R5Q、R51及R52各是單價烴基,通常 是含1至20個碳原子之直鏈、支鏈或環狀烷基,其可含 一個雜原子例如氧、硫、氮或氟,R5G及R51配對、R5Q及 R52配對或R51及R52配對可與和其鍵結之碳原子一起形 成一個環。 式(9 )代表之三級烷基實例包括第三丁基、三乙基 二價碳基、1-乙基正莰基、1-甲基環己基、1-乙基環戊基 、2· ( 2-甲基)金剛烷基、2- ( 2-乙基)金剛烷基、第三 戊基、1,1,1,3,3,3-六氟-2-甲基-異丙基及1,1,1,3,3,3-六 氟-2-環己基-異丙基以及下列基。
其中R5 3是含1至6個碳原子之直鏈、支鏈或環狀烷 基,例如甲基、乙基、丙基、異丙基、正丁基、弟一* 丁基 、正戊基、正己基、環丙基、環丙基甲基、環丁基、環戊 -22- 1266954 (18) 基及環己基,R54是含2至6個碳原子之直鏈、支鏈或環 狀烷基,例如乙基、丙基、異丙基、正丁基、第二丁基、 正戊基、正己基、環丙基、環丙基甲基、環丁基、環戊基 及環己基,各R55及R56是氫、含1至6個碳原子且可含 一個雜原子之單價烴基、或含1至6個碳原子且可經由一 個雜原子分離之單價烴基,這些基可以是直鏈、支鏈或環 狀,雜原子通常是選自氧、硫及氮原子且可含或介入-0H 、-OR57、-0-、-S-、-S( = 0)-、-NH2、-NHR57、-N(R57)2 、-NH-或-NR57-之形式其中R”是Cm烷基,R55及R56 基之實例包括甲基、羥基甲基、乙基、羥基乙基、丙基、 異丙基、正丁基、第二丁基、正戊基、正己基、甲氧基、 甲氧基甲氧基、乙氧基及第三丁氧基。 其次,R26及R44代表之黏附基是選自多種此基,較 宜是從下式基。
〇 0 -23- 1266954 (19)
OH OH
其中,R5 8是亞甲基、氧原子或硫原子。 式(2 )單元之說明實例如下,但不限於此。
Ο卞0 0 f3c--
式(3 a )至(3 d )單元之說明實例如下,但不限於此 -24- 1266954 (20)
其中,R6、R9及R1G如上述之定義。 式(4 )、 ( 4a )及(4b )單元之說明實例如下,但 不限於此。
-25- 1266954 (21)
其中,R26如上述之定義。 式(5 )、 ( 5 a )及(5 b )單元之說明實例如下,但 不限於此。
其中,R33如上述之定義。 -26- 1266954 (22) 此外’下列單元可摻混至本發明之聚合物作爲改進基 板黏附及透明度之目的。
其中’ R59至R63各是氫、氟或含丨至4個碳原子之 氟化烷基,且至少其中一個R6G至R63含至少一個氟原子 ,R64及R6 5各是氫、甲基或三氟甲基。 在本發明聚合物其中U1代表式(2)之單元,U2代 表式(3a)至(3f)之單元,U3代表式(4)、 (4a)及 (4b)之單元,U4代表式(5)、 (5a)及(5b)之單元 ,U 5代表式(6 )之單元’且U6代表上述之外的黏附及 透明單元,且 Ul+U2 + U3+U4 + U5+U6 = l,U,s較宜在下列 範圍: 〇<Ul s 0.9,更宜 0.1 $ ui $ 0.5, 0SU2S0.6,更宜 0SU2S0.4, 〇SU3g〇.6,更宜 0SU3S0.4, 0SU4S0.6,更宜 〇$U4S〇.4, 0SU5S0.7,更宜 〇$U5S〇.5,及 0SU6S0.4,更宜 〇$U6S〇.2。 合成本發明之聚合物通常經由將對應於式(2 )、( 3a)至(3f)、 (4)、 (4a)、 (4b)、 (5)、 (5a) 、(5b )及(6 )各單元之單體及視需要選用的改進黏附 之單體、改進透明度之單體等溶解在溶劑中,在其中加入 -27 - 1266954 (23) 觸媒,視需要在加熱或冷卻系統下進行聚合反應,聚合反 應決定於引發劑或觸媒之種類、制動裝置(包括光、熱、 輻射及電漿)及聚合情形(包括溫度、壓力、濃度、溶劑 及添加劑),通常用於製備本發明聚合物的是用引發劑例 如2,2’-偶氮雙異丁腈(AIBN)等發動聚合反應之游離基 共聚合反應,及使用觸媒例如烷基鋰之離子(陰離子)聚 合反應,這些聚合步驟可在慣用方式下進行。 其中使用的游離基共聚合反應引發劑沒有限制,引發 劑實例包括偶氮化合物例如AIBN、2,2’-偶氮雙(4-甲氧 基-2,4-二甲基戊腈)、2,2’·偶氮雙(2,4-二甲基戊腈)及 2,2’-偶氮雙(2,4,4·三甲基戊烷)·,過氧化物例如過氧特 戊酸第三丁酯、過氧化月桂醯、過氧化苯醯及過氧月桂酸 第三丁酯;水溶性引發劑例如過硫酸鹽例如過硫酸鉀;及 過硫酸鉀或過氧化物例如過氧化氫與還原劑例如亞硫酸鈉 之氧化還原組合物,聚合引發劑之用量是根據例如引發劑 之種類及聚合反應情形之因子決定,雖然其用量通常是在 約0 · 0 0 1至5重量%之範圍,尤其是約〇. 0 1至2重量%, 以聚合的單體之總重量爲基準。 聚合反應可以使用溶劑,本文使用的聚合反應溶劑較 宜是不會干擾聚合反應者,典型的溶劑包括酯溶劑例如醋 酸乙酯及醋酸正丁酯,酮溶劑例如丙酮、甲基乙基酮及甲 基異丁基酮,脂族或芳族烴溶劑例如甲苯、二甲苯及環己 烷,醇溶劑例如異丙醇及乙二醇單甲醚’及醚溶劑例如乙 醚、二鳄烷及四氫呋喃,這些溶劑可以單獨或二或多種混 -28- 1266954 (24) 合使用,而且,在聚合系統中可以使用任何熟知的分子量 改良劑例如十二烷硫醇。 聚合反應之溫度是根據聚合引發劑之種類及溶劑之沸 點變化,雖然其較宜在約2 0至2 0 (TC之範圍,且尤其是 約50至14(TC,任何需要的反應器或容器可用於聚合反 m 〇
JjVU、 從如此所得的聚合物之溶液或懸浮液,作爲反應介質 之有機溶劑或水是經由任何熟知的技藝去除,合適的技藝 包括例如過濾後之再沈澱,及在真空下之熱蒸餾。 需要的聚合物之重量平均分子量是約1,〇〇〇至約 500,000,且尤其是約2,000至約100,000。 本發明之聚合物可在光阻組成物中作爲基質樹脂使用 ,尤其是化學放大型光阻組成物,且尤其是化學放大型正 型作用的光阻組成物,當然本發明之聚合物可摻混其他聚 合物作爲改變聚合物膜之動態性質、熱性質、鹼溶解度及 其他物理性質之目的,可以摻混的其他聚合物之種類並不 重要,已知可在光阻中使用的任何聚合物可在任何所要的 比例下摻混。 在實施本發明時,式(1 )之磺酸酯化合物可經由下 列圖示製備,雖然其製備不限於此。
R2 R1--R3 OH C1CH2CH2S02C1/Py CH2C12 o=s=o Iο R1--R2 R3 -29- 1266954 (25) 其中R1至R3如上述之定義。 此反應可在熟知的情形下輕易地進行,較宜醇反應物 及鹼例如吡啶是同時添加至溶劑例如二氯甲烷,且在冰冷 卻下逐滴加入氯乙基磺醯氯,在此方式下得到所要的單體 光阻組成物 只要本發明之聚合物是作爲基質樹脂使用,本發明之 光阻組成物可使用熟知的成份製備,在一個較佳的具體實 施例中’化學放大的正型光阻組成物是定義爲含(A )上 述定義之聚合物作爲基質樹脂、(B )有機溶劑及(C ) 光酸產生劑,在光阻組成物中,其可另外調配(D )鹼性 化合物及/或(E )溶解抑制劑。 成份(B ) 在本發明中作爲成份(B )使用之有機溶劑可以是其 中基質樹脂、光酸產生劑、及其他成份可以溶解的任何有 機溶劑,有機溶劑之說明但非限制性實例包括酮類例如環 己酮及甲基-2-正戊基酮;醇類例如3-甲氧基丁醇、3-甲 基-3-甲氧基丁醇、1·甲氧基_2_丙醇及丨_乙氧基丙醇; 醚類例如丙二醇單甲醚、乙二醇單甲醚、丙二醇單***、 乙二醇單***、丙二醇二甲醚及二乙二醇二甲醚;酯類例 如丙一醇卓甲釀醋酸醋、丙一醇單乙釀醋酸醋、醋酸乙醋 、丙酮酸乙酯、醋酸丁酯、3-甲氧基丙酸甲酯、3-乙氧基 -30- 1266954 (26) 丙酸乙酯、醋酸第三丁酯、丙酸第三丁酯及丙二醇單第三 丁基醚醋酸酯;及內酯類例如7 -丁內酯。 也可使用氟化有機溶劑,說明但非限制性實例包括 2 -氟茴香醚、3 -氟茴香醚、4 -氟茴香醚、2,3 -二氟茴香醚 、2,4-二氟茴香醚、2,5-二氟茴香醚、5,8-二氟-1,4-苯並 一喂院、2,3 -二氟节醇、1,3-二氟-2-丙醇、2’,4’-二氟丙 酚、2,4-二氟甲苯、三氟乙醛乙基半縮醛、三氟乙醯胺、 三氟乙醇、2,2,2-三氟丁酸酯、乙基七氟乙醇、七氟丁基 醋酸乙酯、六氟戊二醯甲基乙基、3_羥基-4,4,4-三氟乙醯 基醋酸乙酯、五氟丙炔基醋酸乙酯、全氟辛酸乙酯、 4,4,4-三氟乙醯基醋酸乙酯、4,4,4-三氟丁酸乙酯、4,4,4-三氟肉豆蔻酸乙酯、三氟丙酮酸乙酯、三氟醋酸第二乙酯 、氟環己烷、2,2,3,3,4,44-七氟-卜丁醇、1,1,1,2,2,3,3 -七 氟- 7,7-二甲基-4,6-辛二酮、:Ul,l,3,5,5,5-七氟戊基-2,4-二酮、3,3,4,4,5,5,5 -七氟-2-戊醇、3,3,4,4,5,5,5-七氟-2-戊酮、4,4,4 -三氟乙醯基醋酸異丙酯、全氟癸酸甲酯、全 氟(2 -甲基-3-氧雜己酸甲酯)、全氟壬酸甲酯、全氟辛 酸甲酯、2,3,3,3-四氟丙酸甲酯、三氟乙醯基醋酸甲酯、 151,1,25256,6,6-八氟-254-己二酮、252,3,3,4,4,5,5-八氟-1· 戊醇、1H,1H,2H,2H -全氟-1-癸醇、全氟-2,5-二甲基-3,6-二哼烷陰離子酸甲酯、2H_全氟-5-甲基-3,6-二Π等烷、 111,111,211,311,311-全氟壬基-1,2 - 一 醇、111,111,911-全氧-1-壬醇、1H,1H-全氟辛醇、1H,1H52H52H-全氟辛醇、2H-全 氟-5,8,11,14-四甲基- 3,6,9,12,15 -五氧雜十八院、全氟三 -31 - 1266954 (27) 丁基胺、全氟三己基胺、全氟_2,5,8 -三甲基- 3,6,9,12,15-五氧雜十八烷、全氟三丁基胺、全氟三己基胺、全氟-2,5,8-三甲基-3,6,9-三氧雜十二烷、全氟三戊基胺、全氟 三異丙基胺、1111211,311531^全氟十一烷基-1,2-二醇、 三氟丁醇、1,1,1-三氟-5-甲基-2,4-己二酮、1,1,卜三氟-2-丙醇、3,3,3 -三氟-1-丙醇、醋酸1,1,1_三氟·2_丙酯、全氟 丁基四氣咲喃、全截蔡;^兀、全氟/ (1,2 -二甲基環己院)、 全氟(1,3 -二甲基環己烷)、丙二醇三氟甲基醚醋酸酯、 丙二醇甲基醚三氟甲基醋酸酯、三氟甲基醋酸丁酯、3 -三 氟甲氧基丙酸甲酯、全氟環己烷、丙二醇三氟甲基醚、三 氟醋酸丁酯及三氟-5,5-二甲基-2,4-己二酮。 這些溶劑可以單獨或二或多種混合使用,上述有機溶 劑中,較宜是光酸產生劑最溶解在其中的二乙二醇二甲醚 及 1-乙氧基-2-丙醇,及安全的丙二醇單甲醚醋酸酯及其 混合物。 每1 0 0重量組份之基質樹脂中,溶劑之用量較宜是約 300至10,000重量組份,更宜是約500至5,000重量組份 成份(C ) 光酸產生劑是暴露在高能輻射或電子束後可產生酸之 化合物且包括下列: (i) 式(Pia·1)、 (Pla-2)或(Plb)之鐵鹽, (ii) 式(P2)之重氮甲烷衍生物, •32- 1266954 (28) (iii)式(P3 )之乙二肟衍生物, (i v )式(P 4 )之雙硕衍生物’ (v )式(P5 )之N-羥基醯亞胺化合物之磺酸酯’ (vi ) yS -酮基磺酸衍生物’ (v i i )二硕衍生物, (v i i i )硝基苄基磺酸酯衍生物,及 (ix)磺酸酯衍生物。 詳細說明這些光酸產生劑。 (i)式(Pla-1 )、 ( Pla-2)或(Plb)之鑰鹽: R101b
Rl〇la一g+_Rl〇lc Rl〇la_j+_R101c IC K·
Pla-1 Pla-2 其中,R1()la、R1()lb及R1Qle獨立地代表含1至12個 碳原子之直鏈、支鏈或環狀烷基、含6至20個碳原子之 芳基、或含7至12個碳原子之芳烷基或芳基氧基烷基, 其中部份或全部氫原子可經烷氧基或其他基取代,而且 R1()lb及R1(Ue可一起形成環,當其形成環時,R1()lb及 R1()le各是含1至6個碳原子之伸烷基,κ·是非親核性抗 衡離子。
Rl(na、Rl〇lb& Rl〇le可以相同或不同且說明如下,烷 基實例包括甲基、乙基、丙基、異丙基、正丁基、第二丁 基、第三丁基、戊基、己基、庚基、辛基、環戊基、環己 基、環庚基、環丙基甲基、4-甲基環己基、環己基甲基、 正莰基及金剛烷基,烯基實例包括乙烯基、烯丙基、丙_ -33- 1266954 (29) 基、丁烯基、己烯基及環己烯基,氧基烷基實例包括2-氧基環戊基及2-氧基環己基以及2-氧基丙基、2-環戊基-2-氧基乙基、2-環己基-2-氧基乙基及2-(4-甲基環己基 )-2 -氧基乙基,芳基實例包括苯基及萘基;烷氧基苯基 例如P -甲氧基苯基、m -甲氧基苯基、〇 -甲氧基苯基、乙氧 基苯基、P-第三丁氧基苯基及m-第三丁氧基苯基;烷基 苯基例如2-甲基苯基、3-甲基苯基、4-甲基苯基、乙基苯 基、4-第三丁基苯基、4-丁基苯基及二甲基苯基;烷基萘 基例如甲基萘基及乙基萘基;烷氧基萘基例如甲氧基萘基 及乙氧基萘基;二烷基萘基例如二甲基萘基及二乙基萘基 ;及二烷氧基萘基例如二甲氧基萘基及二乙氧基萘基,芳 烷基實例包括苄基、苯基乙基及苯乙基’芳基氧基烷基實 例是2-芳基-2-氧基乙基例如2-苯基-2-氧基乙基、2-(1-萘基)-2-氧基乙基及2-(2-萘基)-2-氧基乙基,K_代表 之非親核性抗衡離子實例是鹵化物離子例如氯及溴離子、 氟烷基磺酸根離子例如三氟甲基磺酸根、1,1,1 -三氟乙基 磺酸根及九氟丁基磺酸根,芳基磺酸根離子例如甲苯磺酸 根、苯磺酸根、4-氟苯磺酸根及1,2,3,4,5_五氟苯磺酸根 ,及烷基磺酸根離子例如甲基磺酸根及丁基磺酸根。
Rl02a Rl02b R104a_^+_R103_^+_R104b K' κ·
Plb 其中,111()23及R1G2b獨立地代表含1至8個碳原子之 直鏈、支鏈或環狀烷基,R1()3代表含1至10個碳原子之 -34- 1266954 (30) 直鏈、支鏈或環狀伸烷基,R1G4a及R1G4b獨立地代表含3 至7個碳原子之2_氧基烷基,K·是非親核性抗衡離子。 &1()2&及R1G2b代表之基實例是甲基、乙基、丙基、異 丙基、正丁基、第二丁基、第三丁基、戊基、己基、庚基 、辛基、環戊基、環己基、環丙基甲基、4-甲基環己基及 環己基甲基,R1G3代表之基實例是亞甲基、伸乙基、伸丙 基、伸丁基、伸戊基、伸己基、伸庚基、伸辛基、伸壬基 、1,4-環伸己基、1,2-環伸己基、1,3-環伸戊基、1,4-環伸 辛基及1,4-環己基二亞甲基,R1G4a及R1G4b代表之基實例 是2-氧基丙基、2-氧基環戊基、2-氧基環己基及2-氧基環 庚基,K·代表之抗衡離子之說明實例是相同於式(P 1 a-1 )及(Pla-2 )之實例。 (Π)式(P2)之重氮甲烷衍生物 ΐ/2 R105—S02—C—S02—R106 P2 其中,R1()5及R1Q6獨立地代表含1至12個碳原子之 直鏈、支鏈或環狀烷基或鹵化烷基、含6至20個碳原子 之芳基或鹵化芳基或含7至12個碳原子之芳烷基。 R1G5及R1G6代表之基中,烷基實例是甲基、乙基、 丙基、異丙基、正丁基、第二丁基、第三丁基、戊基、己 基、庚基、辛基、戊基、環戊基、環己基、環庚基、正莰 基及金剛烷基,鹵化烷基實例包括三氟甲基、1,1,1 -三氟 乙基、1,1,1-三氯乙基及九氟丁基,芳基實例包括苯基; 烷氧基苯基例如p-甲氧基苯基、甲氧基苯基、0-甲氧基 -35- 1266954 (31) 苯基、乙氧基苯基、p-第三丁氧基苯基及m_第三丁氧基 苯基;及烷基苯基例如2-甲基苯基、3-甲基苯基、4-甲基 苯基、乙基苯基、4-第三丁基苯基、4-丁基苯基及二甲基 苯基,鹵化芳基實例包括氟苯基、氯苯基及1,2,3,4,5 -五 氟苯基,芳烷基實例包括苄基及苯乙基。 (iii )式(P3 )之乙二肟衍生物 j^108 ^109 | | r107-so2-o-n=c—c=n-o—so2-r107 P3 其中,R107、R108及R1Q9獨立地代表含1至12個碳 原子之直鏈、支鏈或環狀烷基或鹵化烷基、含6至20個 碳原子之芳基或鹵化芳基或含7至12個碳原子之芳烷基 ,而且,R1()8及R1()9可一起形成一個環,當其形成環時 ,R1()8及R1 ^各是含1至6個碳原子之直鏈或支鏈伸烷 基。
Rl〇7、Rl〇8及Rl〇9代表之烷基、鹵化烷基、芳基、鹵 化芳基及芳烷基之說明實例相同於R1()5及R1()6之實例, Rl〇8及代表之伸烷基實例包括亞甲基、伸乙基、伸 丙基、伸丁基及伸己基。 (iv)式(P4)之雙硕衍生物 Ο 0 R101a—S—CH2—S—R101b II 2 II Ο ο Ρ4 其中R1()la及R1()lb如上述定義。 -36- 1266954 (32) (v)式(P5 )之N-羥基醯亞胺化合物之磺酸酯 0 〇—o-so2—r1u
Y 〇 P5 其中,R11()是含6至10個碳原子之伸芳基、含1至 6個碳原子之伸烷基、或含2至6個碳原子之伸烯基,其 中部份或全部氫原子可經含1至4個碳原子之直鏈或支鏈 烷基或烷氧基、硝基、乙醯基或苯基取代,R 111是含1至 8個碳原子之直鏈、支鏈或環狀烷基、烯基、烷氧基烷基 、苯基或萘基,其中部份或全部氫原子可經含1至4個碳 原子之直鏈或支鏈烷基或烷氧基、苯基(其可經含1至4 個碳原子之直鏈或支鏈烷基或烷氧基、硝基或乙醯基取代 )、含3至5個碳原子之雜芳基或氯或氟原子取代。 R11()代表之基中,伸芳基實例包括1,2-伸苯基及1,8- 伸萘基;伸烷基實例包括亞甲基、伸乙基、三亞甲基、四 亞甲基、苯基伸乙基及正莰-2,3-二基;且伸烯基實例包括 1,2-伸乙烯基、1-苯基-1,2·伸乙烯基及5-伸正莰-2,3-二基 。R111代表之基中,烷基實例如同R1()la至R1()le之實例; 烯基實例包括乙烯基、1-丙烯基、烯丙基、1-丁烯基、3- 丁烯基、異戊二烯基、1-戊烯基、3-戊烯基、4-戊烯基、 二甲基烯丙基、1-己烯基、3-己烯基、5-己烯基、1·庚烯 基、3-庚烯基、6_庚烯基及7-辛烯基;且烷氧基烷基實例 包括甲氧基甲基、乙氧基甲基、丙氧基甲基、丁氧基甲基 、戊氧基甲基、己氧基甲基、庚氧基甲基、甲氧基乙基、 -37- 1266954 (33) 乙氧基乙基、丙氧基乙基、丁氧基乙基、戊甲氧基乙基、 己氧基乙基、甲氧基丙基、乙氧基丙基、丙氧基丙基、丁 氧基丙基、甲氧基丁基、乙氧基丁基、丙氧基丁基、甲氧 基戊基、乙氧基戊基、甲氧基己基及甲氧基庚基。 對於這些基之取代基,含1至4個碳原子之烷基包括 甲基、乙基、丙基、異丙基、正丁基、異丁基及第三丁基 ;含1至4個碳原子之烷氧基包括甲氧基、乙氧基、丙氧 基、異丙氧基、正丁氧基、異丁氧基及第三丁氧基;其可 經含1至4個碳原子之烷基或烷氧基、硝基或乙醯基取代 之苯基包括苯基、甲苯基、P -第三丁氧基苯基、P -乙醯基 苯基及P-硝基苯基;含3至5個碳原子之雜芳基包括吼 啶基及呋喃基。 光酸產生劑之說明實例包括: 鐵鹽例如 二苯基碘鐵三氟甲基磺酸酯, (P -第三丁氧基苯基)苯基碘鑰三氟甲基磺酸酯, 二苯基碘鎗P-甲苯基磺酸酯, (P-第三丁氧基苯基)苯基碘鐵p-甲苯基磺酸酯, 三苯基銃三氟甲基磺酸酯, (P-第三丁氧基苯基)二苯基銃三氟甲基磺酸酯, 雙(P-第三丁氧基苯基)苯基锍三氟甲基磺酸酯, 參(P -第三丁氧基苯基)銃三氟甲基磺酸酯, 三苯基锍P-甲苯基磺酸酯, (P -第三丁氧基苯基)二苯基銃P -甲苯基磺酸酯, -38- 1266954 (34) 雙(p-第三丁氧基苯基)苯基銃p-甲苯基磺酸酯, 參(P-第三丁氧基苯基)锍P-甲苯基磺酸酯, 三苯基銃九氟丁基磺酸酯, 三苯基銃丁基磺酸酯, 三甲基銃三氟甲基磺酸酯, 三甲基銃P-甲苯基磺酸酯, 環己基甲基(2_氧基環己基)銃三氟甲基磺酸酯, 環己基甲基(2-氧基環己基)銃p-甲苯基磺酸酯, 二甲基苯基锍三氟甲基磺酸酯, 二甲基苯基銃P-甲苯基磺酸酯, 二環己基苯基銃三氟甲基磺酸酯, 二環己基苯基銃P -甲苯基磺酸酯, 三萘基銃三氟甲基磺酸酯, 環己基甲基(2 -氧基環己基)銃三氟甲基磺酸酯, (2-正莰基)甲基(2-氧基環己基)銃三氟甲基磺酸 酯, 伸乙基雙〔甲基(2_氧基環戊基)銃三氟甲基磺酸酯 〕,及 1,2’_萘基羰基甲基四氫噻吩鏺三氟甲基磺酸酯; 重氮甲烷衍生物例如: 雙(苯基磺醯基)重氮甲烷, 雙(P-甲苯基磺醯基)重氮甲烷, 雙(二甲苯基磺醯基)重氮甲烷, 雙(環己基磺醯基)重氮甲烷, -39- 1266954 (35) 雙(環戊基磺醯基)重氮甲烷, 雙(正丁基磺醯基)重氮甲烷, 雙(異丁基磺醯基)重氮甲烷, 雙(第二丁基磺醯基)重氮甲烷, 雙(正丙基磺醯基)重氮甲烷, 雙(異丙基磺醯基)重氮甲烷, 雙(第三丁基磺醯基)重氮甲烷, 雙(正戊基磺醯基)重氮甲烷, 雙(異戊基磺醯基)重氮甲烷, 雙(第二戊基磺醯基)重氮甲烷, 雙(第三戊基磺醯基)重氮甲烷, 1-環己基磺醯基-1-(第三丁基磺醯基)重氮甲烷, 1 -環己基磺醯基-1 -(第三戊基磺醯基)重氮甲烷, 及 1-第三戊基磺醯基-1-(第三丁基磺醯基)重氮甲烷 乙二肟衍生物例如: 雙_〇·(ρ_甲苯基磺醯基)-α •二甲基乙二肟, 雙- 0-(ρ -甲苯基礦釀基)-α-—苯基乙一’ 雙_〇·(ρ_甲苯基磺醯基)-二環己基乙二肟, 雙( ρ_甲苯基磺醯基)-2,3-戊二酮乙二肟, 雙- 〇·(ρ_甲苯基磺醯基)·2_甲基-3,4_戊二酮乙二肟 , 雙-0-(正丁基磺醯基)-α -二甲基乙二肟, -40- 1266954 (36) 雙-Ο-(正丁基磺醯基)· α -二苯基乙二肟, 雙·〇-(正丁基磺醯基)-α -二環己基乙二肟, 雙- 〇-(正丁基磺醯基)-2,3-戊二酮乙二肟, 雙- 〇-(正丁基磺醯基)-2-甲基-3,4-戊二酮乙二肟, 雙-0-(甲基磺醯基)-α -二甲基乙二肟, 雙-0-(三氟甲基磺醯基)-α -二苯基乙二肟, 雙_〇-(ρ-甲苯基磺醯基)-α_二甲基乙二肟, 雙- 0-(1,1,1-三氟乙基磺醯基)- α-二甲基乙二肟, 雙-0-(第三丁基磺醯基)-α -二甲基乙二肟, 雙-〇-(全氟辛基磺醯基)-α -二甲基乙二肟, 雙-〇·(環己基磺醯基)-α -二甲基乙二肟, 雙-0-(苯基磺醯基)-α -二甲基乙二肟, 雙- 〇-(ρ-氟苯基磺醯基)-α-二甲基乙二肟, 雙- 0-(ρ-第三丁基苯基磺醯基)- α-二甲基乙二肟, 雙-0-(二甲基磺醯基)-α -二甲基乙二肟,及 雙-〇-(樟腦基磺醯基)-α -二甲基乙二肟; 雙硕衍生物例如: 雙萘基磺醯基甲烷,雙三氟甲基磺醯基甲烷,雙甲基 磺醯基甲烷,雙乙基磺醯基甲烷,雙丙基磺醯基甲烷,雙 異丙基磺醯基甲烷,雙-Ρ-甲苯基磺醯基甲烷,及雙苯基 磺醯基甲烷; /3 -酮基硕衍生物例如: 2-環己基羰基-2- (ρ-甲苯基磺醯基)丙烷,及 2-異丙基羰基-2- ( ρ-甲苯基磺醯基)丙烷; -41 - 1266954 (37) 磺酸硝基苄酯衍生物例如: P-甲苯基磺酸2,6-二硝基苄酯,及 P-甲苯基磺酸2,4-二硝基苄酯; 磺酸酯衍生物例如: 1,2,3-參(甲基磺醯氧基)苯, 1,2,3-參(三氟甲基磺醯氧基)苯,及 1,2,3-參(p-甲苯基磺醯氧基)苯;及 N-羥基醯亞胺之磺酸酯例如: N-羥基琥珀醯亞胺甲基磺酸酯, N-羥基琥珀醯亞胺三氟甲基磺酸酯, N-羥基琥珀醯亞胺乙基磺酸酯, N-羥基琥珀醯亞胺1·丙基磺酸酯, N-羥基琥珀醯亞胺2-丙基磺酸酯, N-羥基琥珀醯亞胺卜戊基磺酸酯, N-羥基琥珀醯亞胺1-辛基磺酸酯, N-羥基琥珀醯亞胺p-甲苯基磺酸酯, N-羥基琥珀醯亞胺p-甲氧基苯基磺酸酯, N-羥基琥珀醯亞胺2-氯乙基磺酸酯, N-羥基琥珀醯亞胺苯基磺酸酯, N-羥基琥珀醯亞胺2,4,6-三甲基苯基磺酸酯 N-羥基琥珀醯亞胺1-萘基磺酸酯, N-羥基琥珀醯亞胺2-萘基磺酸酯, N-羥基-2-苯基琥珀醯亞胺甲基磺酸酯, N-羥基馬來醯亞胺甲基磺酸酯, -42- 1266954 (38) N-羥基馬來醯亞胺乙基磺酸酯, N-羥基-2-苯基馬來醯亞胺甲基磺酸酯, N-羥基谷醯亞胺甲基磺酸酯, N-羥基谷醯亞胺苯基磺酸酯, N-羥基酞醯亞胺甲基磺酸酯, N-羥基酞醯亞胺苯基磺酸酯, N-羥基酞醯亞胺三氟甲基磺酸酯, N-羥基酞醯亞胺p-甲苯基磺酸酯, N-羥基萘醯亞胺甲基磺酸酯, N_羥基萘醯亞胺苯基磺酸酯, N-羥基-5-正莰基-2,3-二羧基醯亞胺甲基磺酸酯, N-羥基-5_正莰基- 2,3-二羧基醯亞胺三氟甲基磺酸酯 ,及 N-羥基-5-正莰基-2,3-二羧基醯亞胺p-甲苯基磺酸酯 〇 這些光酸產生劑中較佳的是鏺鹽例如三苯基銃三氟甲 基磺酸酯、(P-第三丁氧基苯基)二苯基銃三氟甲基磺酸 酯、參(P-第三丁氧基苯基)銃三氟甲基磺酸酯、三苯基 銃P-甲苯基磺酸酯、(P-第三丁氧基苯基)二苯基銃P-甲苯基磺酸酯,參(P-第三丁氧基苯基)銃P-甲苯基磺酸 酯,三萘基銃三氟甲基磺酸酯,環己基甲基(2-氧基環己 基)锍三氟甲基磺酸酯,(2_正莰基)甲基(2-氧基環己 基)锍三氟甲基磺酸酯,及1,25-萘基羰基甲基四氫噻吩 鏺三氟甲基磺酸酯; -43- 1266954 (39) 重氮甲烷衍生物例如: 雙(苯基磺醯基)重氮甲烷, 雙(P-甲苯基磺醯基)重氮甲烷, 雙(環己基磺醯基)重氮甲烷, 雙(正丁基磺醯基)重氮甲烷, 雙(異丁基磺醯基)重氮甲烷, 雙(第二丁基磺醯基)重氮甲烷, 雙(正丙基磺醯基)重氮甲烷, 雙(異丙基磺醯基)重氮甲烷, 雙(第三丁基磺醯基)重氮甲烷; 乙二肟衍生物例如: 雙- 0-(p -甲苯基礦釀基)-α- 一*甲基乙一」亏’ 雙- 0-(正丁基磺醯基)-α-二甲基乙二肟; 雙硕衍生物例如: 雙萘基磺醯基甲烷;及Ν-羥基醯亞胺之磺酸酯例如 Ν-羥基琥珀醯亞胺甲基磺酸酯, Ν-羥基琥珀醯亞胺三氟甲基磺酸酯, Ν-羥基琥珀醯亞胺1-丙基磺酸酯, Ν-羥基琥珀醯亞胺2-丙基磺酸酯, Ν-羥基琥珀醯亞胺1-戊基磺酸酯, Ν-羥基琥珀醯亞胺ρ-甲苯基磺酸酯, Ν-羥基酞醯亞胺甲基磺酸酯,及 Ν-羥基酞醯亞胺苯基磺酸酯。 -44 - (40) 1266954 這些光酸產生劑可以單獨或二或多種混合使用,鐵鹽 可有效地用於改進矩形度,而重氮甲烷衍生物及乙二肟衍 生物可有效地用於減少駐波,鑰鹽與重氮甲烷或乙二肟衍 生物之組合可用於輪廓之微調。 每1 0 0重量組份之基質樹脂(以下全部組份係指重量 )中,光酸產生劑之添加量是0 · 1至5 0重量組份,且尤 其是〇 · 5至4 0重量組份,光酸產生劑低於〇. 1組份時, 暴露後產生較少量的酸,有時導致敏度及解析度不良,而 高於5 0組份之光酸產生劑對穿透性及解析度有負面的效 應。 成份(D ) 作爲成份(D )使用之鹼性化合物較宜是當經由光酸 產生劑在光阻膜內擴散而產生酸時,可抑制擴散速率之化 合物,添加此種鹼性化合物可降低光阻膜內的酸擴散速率 ,導致較佳的解析度,此外,其可抑制暴露後的敏度變化 ,因而降低基板與環境之依賴性,以及改進暴露程度及圖 案情形。 合適的鹼性化合物實例包括一級、二級及三級脂族胺 類、混合的胺類、芳族胺類、雜環族胺類、含羧基的含氮 化合物、含磺醯基的含氮化合物、含羥基的含氮化合物、 含羥基苯基的含氮化合物、醇系含氮化合物、醯胺衍生物 及醯亞胺衍生物。 合適的一級脂族胺類實例包括氨、甲胺、乙胺、正丙 -45- (41) 1266954 胺、異丙胺、正丁胺異丁胺、第二丁胺、第三丁胺、戊胺 、第三戊胺、環戊胺、己胺、環己胺、庚胺、辛胺、壬胺 、癸胺、十二烷胺、鯨蠟胺、甲二胺、乙二胺及丁五胺。 合適的二級脂族胺類實例包括二甲胺、二乙胺、二正丙胺 、二異丙胺、二正丁胺、二異丁胺、二第二丁胺、二戊胺 、二環戊胺、二己胺、二環己胺、二庚胺、二辛胺、二壬 胺、二癸胺、二(十二烷)胺、二鯨蠟胺、N,N-二甲基甲 二胺、Ν,Ν·二甲基乙二胺及N5N-二甲基丁五胺。合適的 三級脂族胺類實例包括三甲胺、三乙胺、三正丙胺、三異 丙胺 '三正丁胺、三異丁胺、三第二丁胺、三戊胺、三環 戊胺、三己胺、三環己胺、三庚胺、三辛胺、三壬胺、三 癸胺、三(十二烷)胺、三鯨蠟胺、N,N,N,,N,-四甲基甲 二胺、N,N,N’,N’-四甲基乙二胺及ν,Ν,Ν'Ν’-四甲基丁五 胺。 合適的混合胺類實例包括二甲基乙基胺、甲基乙基丙 基胺、苄基胺、苯乙基胺及苄基二甲基胺。合適的芳族胺 類實例包括苯胺衍生物(例如苯胺、N -甲基苯胺、N -乙基 苯胺、N-丙基苯胺、N,N_二甲基苯胺、2-甲基苯胺、%甲 基苯胺、4-甲基苯胺、乙基苯胺、丙基苯胺、三甲基苯胺 、2-硝基苯胺、3-硝基苯胺、4_硝基苯胺、2,4-二硝基苯 胺、2,6-二硝基苯胺、3,5-二硝基苯胺及N,N_二甲基甲苯 胺)、二苯基(p -甲苯基)胺、甲基二苯基胺、三苯基胺 、苯二胺、萘基胺及二氨基萘。合適的雜環族胺類實例包 括吡咯衍生物(例如吡咯、2 Η -吡咯、1-甲基吡咯、2,4- -46- (42) 1266954 二甲基吡咯、2,5-二甲基吡咯及N-甲基吡咯)、鸣唑衍生 物(例如噚唑及異鳄唑)、噻唑衍生物(例如噻唑及異噻 口坐)、咪Π坐衍生物(例如咪_、4 -甲基咪D坐及4 -甲基-2 -苯基咪唑)、吡唑衍生物、呋喃衍生物、吡咯啉衍生物( 例如吡咯啉及2 -甲基-1 -吡咯啉)、吡咯啶衍生物(例如 吡咯啶、N -甲基吡咯啶、吡咯啶酮及N _甲基吡咯啶酮) 、咪唑啉衍生物、咪唑啶衍生物、吡啶衍生物(例如吡啶 、甲基吡啶、乙基吡啶、丙基吡啶、丁基吡啶、4 - ( 1 - 丁 基戊基)吡啶、二甲基吡啶、三甲基吡啶、三乙基吡啶、 苯基吡啶、3 -甲基-2 -苯基吡啶、4 -第三丁基吡啶、二苯基 吡啶、苄基吡啶、甲氧基吡啶、丁氧基吡啶、二甲氧基吡 啶、1 -甲基-2 ·吼啶酮、4 -吡咯啶吡啶、丨-甲基-4 -苯基吡 啶、2 -(卜乙基丙基)吡啶、胺基吡啶及二甲胺基吡啶) 、嗒畊衍生物、嘧啶衍生物、吡哄衍生物、吡唑啉衍生物 、吡唑啶衍生物、六氫吡啶衍生物、六氫吡畊衍生物、嗎 福啉衍生物、吲哚衍生物、異吲哚衍生物、1 Η -吲唑衍生 物、吲哚啉衍生物、喹啉衍生物(例如喹啉及3 -喹啉甲 腈)、異喹啉衍生物、哮啉衍生物、D奎唑啉衍生物、喹鸣 啉衍生物、酞啡衍生物、嘌呤衍生物、喋啶衍生物、咔唑 衍生物、氮雜菲衍生物、D丫啶衍生物、吩嗪衍生物、菲繞 啉衍生物、腺嘧啶衍生物、腺甙衍生物、鳥嘧啶衍生物、 鳥甙衍生物、尿嘧啶衍生物及尿核甙衍生物。 合適的含羧基的含氮化合物實例包括胺基苯甲酸、吲 哚羧酸及胺基衍生物(例如菸鹼酸、丙胺酸、精胺酸、天 -47- 1266954 (43) 冬胺酸、谷胺酸、甘胺酸、組織胺酸、異亮胺酸、甘胺醯 基亮胺酸、亮胺酸、蛋胺酸、苯基丙胺酸、蘇胺酸、賴胺 酸、3-胺基吡畊-2-羧酸及甲氧基丙胺酸)。 合適的含磺醯基的含氮化合物實例包括3 -吼啶磺酸 及吡錠P-甲苯磺酸酯。 合適的含羥基的含氮化合物、含羥基苯基的含氮化合 物、及醇系的含氮化合物實例包括2 -羥基吡啶、胺基甲 酚、2,4-D奎啉二醇、3-吲哚甲醇水合物、單乙醇胺、二乙 醇胺、三乙醇胺、N-乙基二乙醇胺、N,N-二乙基乙醇胺、 三異丙醇胺、2,2’-亞胺基二乙醇、2-胺基乙醇、3-胺基-卜丙醇、4 -胺基-1 - 丁醇、4 - ( 2 -羥基乙基)嗎福啉、2 -( 2-羥基乙基)吡啶、1- ( 2-羥基乙基)六氫吡畊、1-〔 2-(2 -羥基乙氧基)乙基〕六氫吡哄、六氫吡啶乙醇、1 -( 2 -羥基乙基)吡咯啶、1 - ( 2 -羥基乙基)-2 -吡略啶酮、3 -六氫Dtt Π定基-1,2 -丙二醇、3 - D[t略Π定基-1,2 -丙二醇、8 -經基 久洛里定、3 ·奎寧環醇、3 -托烷醇、卜甲基-2 -吡咯啶乙醇 、卜吖丁啶乙醇、N- ( 2-羥基乙基)酞醯亞胺及N_ ( 2_羥 基乙基)異菸鹼醯胺。 合適的醯胺衍生物實例包括甲醯胺、N_甲基甲醯胺、 N,N-二甲基甲醯胺、乙醯胺、N-甲基乙醯胺、Ν,Ν·二甲基 乙醯胺、丙醯胺及苄醯胺。合適的亞醯胺衍生物包括酿醯 亞胺、琥珀醯亞胺及馬來醯亞胺。 此外,也可單獨或混合加入下列通式(Β ) — 1之驗性 化合物。 -48 - (44) 1266954 /(X)n (B)-l ⑺3-n —R300—0—R301 (X)-l 0 一R3〇2— 〇—R3〇3 _ 丨| r304 (X)-2 0 R3〇5_U_〇_r306 (X)-3 在式中,η是1、2或3,側鏈X可以相同或不同且 係由式(X ) -1、 ( X ) -2或(X ) -3代表,側鏈γ可以 相同或不同且代表氫或含1至20個碳原子之直鏈、支鏈 或環狀烷基其可含醚或羥基,二或三個X,s可鍵結一起而 形成一個環。 在式中,R3GG、R3G2及R3G5獨立地是含1至4個碳原 子之直鏈或支鏈伸烷基;R3G1及R3G4獨立地是氫、含1 至20個碳原子之直鏈、支鏈或環狀烷基其可含至少一個 羥基、醚、酯或內酯環;且R3G3是單鍵或含1至4個碳 原子之直鏈或支鏈伸烷基;且R3G6是含1至20個碳原子 之直鏈、支鏈或環狀烷基其可含至少一個羥基、醚、酯或 內酯環。 式(B ) -1化合物之說明但非限制性實例包括參(2-甲氧基甲氧基乙基)胺、參{2-(2-甲氧基乙氧基)乙基 }胺、參{2-(2-甲氧基乙氧基甲氧基)乙基}胺、參{ 2-(卜甲氧基乙氧基)乙基}胺、參丨2-(1-乙氧基乙氧 -49- (45) 1266954 基)乙基}胺、參{2-(卜乙氧基丙氧基)乙基}胺、參 〔2-{2-(2 -羥基乙氧基)乙氧基}乙基〕胺、 4,7,13,16,21,24-六氧雜-1,10-二氮雜二環〔8.8.8〕二十六 烷、4,7,13, 18 -四氧雜-1,10 -二氮雜二環〔8.5.5〕二十烷 、1,4,10,13-四氧雜-7,16-二氮雜二環十八烷、1-氮雜-12-冠-4、1-氮雜-15-冠-5、1-氮雜-18-冠-6、參(2-甲醯氧基 乙基)胺、參(2-乙醯氧基乙基)胺、參(2_丙醯氧基乙 基)胺、參(2-丁醯氧基乙基)胺、參(2-異丁醯氧基乙 基)胺、參(2-戊醯氧基乙基)胺、參(2-特戊醯氧基乙 基)胺、N,N-雙(2-乙醯氧基乙基)-2-(乙醯氧基乙醯 氧基)乙基胺、參(2-甲酯基氧基乙基)胺、參(2-第三 丁酯基氧基乙基)胺、參〔2- ( 2-氧基丙氧基)乙基〕胺 、參〔2-(甲酯基甲基)氧基乙基〕胺、參〔2-(第三丁 酯基甲基氧基)乙基〕胺、參〔2·(環己酯基甲基氧基) 乙基〕胺、參(2-甲酯基乙基)胺、參(2-乙酯基乙基) 胺、N,N-雙(2-羥基乙基)-2-(甲酯基)乙基胺、N,N-雙(2-乙醯氧基乙基)-2-(甲酯基)乙基胺、N,N-雙(2-羥基乙基)-2-(乙酯基)乙基胺、N,N-雙(2-乙醯氧基 乙基)-2-(乙酯基)乙基胺、N,N-雙(2-羥基乙基)-2-(2-甲氧基乙酯基)乙基胺、N,N-雙(2-乙醯氧基乙基 )-2- ( 2-甲氧基乙酯基)乙基胺、N,N-雙(2-羥基乙基 )-2- (2-羥基乙酯基)乙基胺、N,N-雙(2-乙醯氧基乙基 )-2-(2-乙醯氧基乙酯基)乙基胺、N,N-雙(2-羥基乙基 )-2-〔(甲酯基)甲酯基〕乙基胺、N,N-雙(2-乙醯氧 -50- 1266954 (46) 基乙基)-2-〔(甲酯基)甲酯基〕乙基胺、Ν,Ν-雙(2-羥基乙基)-2- (2-氧基丙酯基)乙基胺、Ν,Ν-雙(2-乙醯 氧基乙基)-2- (2-氧基丙酯基)乙基胺、Ν,Ν-雙(2-羥基 乙基)-2-(四氫糠酯基)乙基胺、Ν,Ν·雙(2-乙醯氧基 乙基)-2-(四氫糠酯基)乙基胺、Ν,Ν-雙(2-羥基乙基 )-2-〔 (2 -氧基四氣咲喃-3 -基)氧基鑛基〕乙基胺、 Ν,Ν-雙(2-乙醯氧基乙基)-2-〔 (2-氧基四氫呋喃-3-基 )氧基羰基〕乙基胺、Ν,Ν-雙(2-羥基乙基)-2-(4-羥基 丁酯基)乙基胺、N5N-雙(2-甲醯氧基乙基)-2- ( 4-甲醯 氧基丁酯基)乙基胺、N,N-雙(2-甲醯氧基乙基)-2- ( 2-甲醯氧基乙酯基)乙基胺、N,N-雙(2 -甲氧基乙基)-2-(甲酯基)乙基胺、N- ( 2-羥基乙基)-雙〔2-(甲酯基 )乙基〕胺、N-(2-乙醯氧基乙基)-雙〔2-(甲酯基) 乙基〕胺、N-(2-羥基乙基)-雙〔2-(乙酯基)乙基〕 胺、N-(2-乙醯氧基乙基)-雙〔2-(乙酯基)乙基〕胺 、N-(3-羥基-卜丙基)-雙〔2-(甲酯基)乙基〕胺、N-(3-乙醯氧基-1-丙基)-雙〔2-(甲酯基)乙基〕胺、N-(2-甲氧基乙基)-雙〔2-(甲酯基)乙基〕胺、N-丁基-雙〔2-(甲酯基)乙基〕胺、N-丁基-雙〔2-(2-甲氧基乙 酯基)乙基〕胺、N-甲基-雙(2-乙醯氧基乙基)胺、N-乙基-雙(2-乙醯氧基乙基)胺、N-甲基-雙(2-特戊醯氧 基乙基)胺、N-乙基-雙〔2-(甲酯基氧基)乙基〕胺、 N-乙基-雙〔2-(第三丁酯基氧基)乙基〕胺、參(甲酯 基甲基)胺、參(乙酯基甲基)胺、N-丁基-雙(甲酯基 -51 - 1266954 (47) 甲基)胺、N-己基-雙(甲酯基甲基)胺及/3-(二乙基胺 基)-(5 -戊內酯。 也可使用一或多種下列通式(B ) -2之含環狀結構之 鹼性化合物。
(B)-2 其中X如同上述之定義,且R3()7是含2至20個碳原 子之直鏈或支鏈伸烷基其可含一或多個羰基、醚、酯或硫 醚基。 式(B ) -2之含環狀結構之鹼性化合物之說明但非限 制性實例包括: 1-〔2-(甲氧基甲氧基)乙基〕吡咯啶, 1-〔2-(甲氧基甲氧基)乙基〕六氫吡啶, 4-〔 2-(甲氧基甲氧基)乙基〕嗎福啉, 1-〔 2-〔( 2-甲氧基乙氧基)甲氧基〕乙基〕吼咯啶 1-〔 2-〔 (2-甲氧基乙氧基)甲氧基〕乙基〕六氫吡 η定, 4-〔 2-〔( 2-甲氧基乙氧基)甲氧基〕乙基〕嗎福啉 醋酸2 - ( 1-吡咯啶基)乙酯, 醋酸2-六氫吡啶基乙酯, 醋酸2-嗎福啉基乙酯, -52- 1266954 (48) 甲酸2 - ( 1 -吡咯啶基)乙酯, 丙酸2 -六氫吡啶基乙酯, 乙醯氧基醋酸2-嗎福啉基乙酯, 甲氧基醋酸2- ( 1-吡咯啶基)乙酯, 4 -〔 2 -〔(甲醋基氧基)乙基〕嗎福琳^ 1 -〔 2-〔(第三丁酯基氧基)乙基〕六氫吡啶, 4-〔2- (2 -甲氧基乙醋基氧基)乙基〕嗎福琳^ 3 - ( 1 -吡咯啶基)丙酸甲酯, 3 ·六氫吡啶基丙酸甲酯, 3 -嗎福啉基丙酸甲酯, 3 -(硫嗎福啉基)丙酸甲酯, 2 -甲基· 3 - ( 1 -吡咯啶基)丙酸甲酯, 3 -嗎福啉基丙酸乙酯, 3-六氫吡啶基丙酸甲酯基甲酯, 3-(卜吡咯啶基)丙酸2-羥基乙酯, 3-嗎福啉基丙酸2-乙醯氧基乙酯, 3- ( 1-吡咯啶基)丙酸2-氧基四氫呋喃-3-酯, 3 -嗎福啉基丙酸四氫呋喃酯, 3 -六氫吡啶基丙酸縮水甘油酯, 3-嗎福啉基丙酸2-甲氧基乙酯, 3-(卜吡咯啶基)丙酸2- ( 2-甲氧基乙氧基)乙酯 3-嗎福啉基丙酸丁酯, 3-六氫吡啶基丙酸環己酯, α - ( 1-吡咯啶基)甲基-r -丁內酯, -53- (49) (49)
(Β)-5 1266954 /5 -六氯吼D定基-7 - 丁內醋’ /3 -嗎福啉基· (5 -戊內酯, 1 -吡咯啶基醋酸甲酯, 六氫吡啶基醋酸甲酯, 嗎福啉基醋酸甲酯, 硫嗎福啉基醋酸甲酯, 1 -吡咯啶基醋酸乙酯,及 嗎福啉基醋酸2-甲氧基乙酯。 也可使用一或多種下列通式(B ) -3至(B ) 氰基之鹼性化合物。 /(X)3-n N\ \(R308- CN)n /(Χ)3-π Ν\ Χ (R308~|T O~R309~ CN)n Ο 其中X、R3G7及η如同上述之定義,且R3G8 各獨立地是含1至4個碳原子之直鏈或支鏈伸烷基 含氰基之鹼性化合物實例包括3 -(二乙胺基 、N,N-雙(2-羥基乙基)-3-胺基丙腈、N,N-雙(2_ 基乙基)-3-胺基丙腈、N,N-雙(2-甲醯氧基乙基 基丙腈、N,N-雙(2-甲氧基乙基)-3-胺基丙腈、 〔2-(甲氧基甲氧基)乙基〕-3 -胺基丙睛、N-(2. 基)-N-(2-甲氧基乙基)-3-胺基丙酸甲酯、N-( 乙基)-N- ( 2-羥基乙基)-3-胺基丙酸甲酯、N-( - 54- _6之含 ⑻-4 ⑼-6 及 R309 〇 )丙腈 •乙醯氧 )-3-胺 N,N-雙 •截基乙 2 _氛基 2-乙醯 1266954 (50) 氧基乙基)-N- ( 2-氰基乙基)-3-胺基丙酸甲酯、( 2-氰基乙基)-N-乙基-3-胺基丙腈、N-(2-氰基乙基)-N-( 2-羥基乙基)-3-胺基丙腈、N- (2-乙醯氧基乙基)-N-( 2-氰基乙基)-3-胺基丙腈、N- (2-氰基乙基)-N-(2-甲 醯氧基乙基)-3-胺基丙腈、N-(2-氰基乙基)-Ν-(2·甲 氧基乙基)-3-胺基丙腈、Ν-(2-氰基乙基)-Ν-〔2-(甲 氧基甲氧基)乙基〕-3 -胺基丙睛、Ν-( 2 -氛基乙基)-Ν-(3-羥基-1-丙基)-3-胺基丙腈、Ν-( 3-乙醯氧基-1-丙基 )-Ν-(2·氛基乙基)-3 -胺基丙臆、Ν-(2 -截基乙基)-Ν-(3-甲醯氧基-1-丙基)-3-胺基丙腈、Ν-(2-氰基乙基)-Ν-四氫糠基-3-胺基丙腈、Ν,Ν-雙(2-氰基乙基)-3-胺基 丙腈、二乙胺基乙腈、Ν,Ν-雙(2-羥基乙基)胺基乙腈、 Ν,Ν-雙(2-乙醯氧基乙基)胺基乙腈、Ν,Ν-雙(2-甲醯氧 基乙基)胺基乙膳、Ν,Ν -雙(2 -甲氧基乙基)胺基乙臆、 Ν,Ν-雙〔2-(甲氧基甲氧基)乙基〕胺基乙腈、Ν-氰基甲 基-Ν-(2 -甲氧基乙基)-3 -胺基丙酸甲醋、Ν -氨基甲基-Ν-(2-羥基乙基)-3-胺基丙酸甲酯、Ν- (2-乙醯氧基乙基 )-Ν-氰基甲基·3-胺基丙酸甲酯、Ν-氰基甲基-Ν-(2·羥基 乙基)胺基乙腈、Ν-(2-乙醯氧基乙基)-Ν-(羥基甲基 )胺基乙腈、Ν-氰基甲基-Ν- (2-甲醯氧基乙基)胺基乙 腈、Ν-氰基甲基-Ν- (2-甲氧基乙基)胺基乙腈、Ν-氰基 甲基-Ν-〔2-(甲氧基甲氧基)乙基〕胺基乙腈、Ν-氰基 甲基-Ν- ( 3-羥基-1-丙基)胺基乙腈、Ν- ( 3-乙醯氧基-卜 丙基)-Ν-(氰基甲基)胺基乙腈、Ν-氰基甲基-Ν-(3-甲 -55- (51) 1266954
釀氧基-1-丙基)胺基乙腈、N,N•雙(氰基甲基)胺基乙 睛、卜D比咯11定丙腈、1 -六氫吡啶丙腈、4 -嗎福啉丙腈、^ 11比咯卩定乙睛、Κ六氫吡啶乙腈、4-嗎福啉乙腈、3 -二甲胺 基丙酸氨基甲酯、Ν,Ν-雙(2_羥基乙基)-3_胺基丙酸氰 基甲醋、Ν,Ν-雙(2-乙醯氧基乙基)-3-胺基丙酸氰基甲 醋、L雙(2、甲醯氧基乙基)-3-胺基丙酸氰基甲酯、 Ν,Ν-雙(2-甲氧基乙基)-3_胺基丙酸氰基甲酯、虬1雙 〔2-(甲氧基甲氧基)乙基〕-31安基丙酸氰基甲酯、二 甲胺基丙酸2-氰基乙酯、ν,ν — 雙(2_羥基乙基)-3_胺基 丙酸2-氰基乙酯、沐1雙(2_乙醯氧基乙基)-3-胺基丙 酸2-氰基乙醋、Ν,Ν-雙(2-甲醯氧基乙基)-3-胺基丙酸 2-氰基乙酯、Ν,Ν-雙(2-甲氧基乙基)-3-胺基丙酸2-氰 基乙醋、Ν,Ν-雙〔2_(甲氧基甲氧基)乙基〕-31安基丙 酸2-氰基乙酯、b吡咯啶丙酸氰基甲酯、〗_六氫吡啶丙酸 氰基甲酯、4 -嗎福啉丙酸氰基甲酯、卜吡咯啶丙酸2 _氰基 乙醋、1-六氫吡啶丙酸2 -氰基乙酯及4 -嗎福啉丙酸2 -氰 基乙酯。 這些鹼性化合物可以單獨或混合使用,鹼性化合物較 宜調配成0.001至2組份的量,且尤其是0.01至1重量 組份’每1 0 0重量組份之基質樹脂,低於〇 . 〇 〇丨組份之鹼 性化合物可能無法達到其所要的效應,而使用超過2組份 將導致敏性過低。 成份(E ) -56- 1266954 (52) 溶解抑制劑(E )較宜選自重量平均分子量是丨〇 〇至 1,〇〇〇且分子中含至少兩個酚系羥基之化合物,其中平均 從1 0至1 0 0莫耳%在酚系羥基上之全部氫原子經酸不穩 定基取代。 可在本文中使用的溶解抑制劑(Ε )之說明但非限制 性實例包括 雙(4 - ( 2 ’ -四氫吡喃氧基)苯基)甲烷, 雙(4- (2’-四氫呋喃氧基)苯基)甲烷, 雙(4 -第三丁氧基苯基)甲烷, 雙第三丁酯基氧基苯基)甲烷, 雙(4·第三丁酯基甲氧基苯基)甲烷, 雙(4-(1,-乙氧基乙氧基)苯基)甲烷, 雙乙氧基丙氧基)苯基)甲烷, 2.2- 雙(4,·( 2,,-四氫吡喃氧基))丙烷, 2.2- 雙(4’- (2,,-四氫呋喃氧基)苯基)丙烷, 2,2·雙(4’-第三丁氧基)丙烷, 2.2- 雙(4,-第三丁酯基氧基苯基)丙烷, 2.2- 雙(4-第三丁酯基甲氧基苯基)丙烷, 2.2- 雙(4,- (1”-乙氧基乙氧基)苯基)丙烷, 2,2 -雙(4,- (1,,-乙氧基丙氧基)苯基)丙烷, 4,4-雙(4,- ( 2”-四氫吡喃氧基)苯基)戊酸第三丁 酯, 4,4-雙(4,- (2”-四氫呋喃氧基)苯基)戊酸第三丁 酯, -57- 1266954 (53) 4,4-雙(4’-第三丁氧基苯基)戊酸第三丁酯, 4,4_雙(4’-第三丁酯基氧基苯基)戊酸第三丁酯, 4,4-雙(4’-第三丁酯基甲氧基苯基)戊酸第三丁酯, 4,4-雙(4’- (1”-乙氧基乙氧基)苯基)戊酸第三丁 酯, 4,4-雙(4’- (1”-乙氧基丙氧基)苯基)戊酸第三丁 酯, 參(4- ( 2 ’ -四氫吡喃氧基)苯基)甲烷, 參(4-(2’_四氫呋喃氧基)苯基)甲烷, 參(4_第三丁氧基苯基)甲烷, 參(4-第三丁酯基氧基苯基)甲烷, 參(4-第三丁酯基甲氧基苯基)甲烷, 參(4-(1’_乙氧基乙氧基)苯基)甲烷, 參(4-(1’_乙氧基丙氧基)苯基)甲烷, 1,1,2-參(4’- ( 2”-四氫吡喃氧基))丙烷, 1,1,2-參(4’-(2”-四氫呋喃氧基)苯基)丙烷, 1,1,2-參(4’-第三丁氧基)丙烷, 1,1,2-參(4’-第三丁酯基氧基苯基)丙烷, 1,1,2-參(4_第三丁酯基甲氧基苯基)丙烷, 1,1,2-參(4’-(1’-乙氧基乙氧基)苯基)丙烷,及 1,1,2-爹(4’-(1’-乙氧基丙氧基)苯基)丙院。 作爲溶解抑制劑之化合物其重量平均分子量是1 00至 1,〇〇〇,較宜是 150 至 8 00。 適當量之溶解抑制劑(E )是0至約5 0組份,較宜約 -58- 1266954 (54) 5至50組份,且尤其是約l〇至30重量組份每100重量 組份之基質樹脂,太少量之溶解抑制劑可能無法達到改進 解析,而太多量將導致有圖案的膜黏滯,因而降低解析度 ,該抑制劑可單獨或作爲二或多種之混合物使用。 本發明之光阻組成物可包括視需要使用的成份,通常 是慣用於改進塗覆特性之表面活性劑,視需要使用的成份 可添加慣用的量,只要其不會破壞本發明之目的。 表面活性劑之說明但非限制性實例包括非離子性表面 活性劑,例如聚氧乙烯烷基醚類例如聚氧乙烯月桂基醚、 聚氧乙烯硬脂醯基醚、聚氧乙烯鯨蠟基醚及聚氧乙烯油基 醚,聚氧乙烯烷基芳基醚類例如聚氧乙烯辛基酚醚及聚氧 乙烯壬基酚醚,聚氧乙烯聚氧丙烯嵌狀共聚物、山梨糖醇 酐脂肪酸酯類例如山梨糖醇酐單月桂酸酯、山梨糖醇酐單 棕櫚酸酯及山梨糖醇酐單硬脂酸酯,及聚氧乙烯山梨糖醇 酐脂肪酸酯類例如聚氧乙烯山梨糖醇酐單月桂酸酯、聚氧 乙烯山梨糖醇酐單棕櫚酸酯、聚氧乙烯山梨糖醇酐單硬脂 酸酯、聚氧乙烯山梨糖醇酐三油酸酯及聚氧乙烯山梨糖醇 酐三硬脂酸酯;氟化學表面活性劑例如E F Τ Ο P E F 3 0 1、 EF 3 03 及 EF3 5 2 ( Tohkem Products Co.? Ltd.)、Megaface F171、F172 及 F173 ( Dai-Nippon Ink & Chemicals,Inc. )、F 1 u o r ad F C 4 3 0 及 F C 4 3 1 ( S umi t o m o 3 M C o ·,Lt d ·) 、Asahiguard AG710、Surflon S_381、 S-3 82、 SC101、 SC102、 SC103、 SC104、 SC105、 SC106、 Surfynol E1004 、KH -10、 KH-20、 KH-30 及 KH-40(Asahi Glass Co., -59- 1266954 (55)
Ltd.);有機砂氧院聚合物 KP341、X-70-092 及 X-70-093 (Shin-Etsu Chemical Co·,Ltd·)、丙烯酸或甲基丙烯酸 Polyflow No· 75 及 No· 95 ( Kyoeisha Ushi Kagaku Kogyo Co·,Ltd.),尤其是 FC43 0、Surflon S-381、Surfynol E 1 004、KH-20及KH-30較佳,這些表面活性劑可以單獨 或混合使用。 使用本發明光阻組成物形成圖案可經由已知的石印技 術進行,例如經由旋轉塗覆等方法將光阻組成物施加在基 板例如矽晶片上而形成厚度是〇· 1滯1 ·0微米之光阻膜, 然後將其在60至200 °C之熱板上預烤10秒至分鐘, 且較宜在8 0至1 5 0 °C經1 /2至5分鐘,然後將有所要的圖 案之圖案光罩放在光阻膜上,並將此膜經由光罩暴露在電 子束或高能輻射例如深-UV射線、激發物雷射光束或X-射 線,劑量是約1至2 0 0毫焦耳/平方公分,且較宜約1 〇 至1〇〇毫焦耳/平方公分,然後在60至150°C之熱板上 後烤1 〇秒至5分鐘,且較宜在8 0至1 3 01:經1 /2至3分 鐘,最後,使用鹼性溶液作爲顯影劑進行顯影,例如0.1 至5%,且較宜是2至3%之四甲基氫氧化錢(TMAH ), 此可經由慣用方法完成例如浸漬、攪煉或噴霧經1 0秒至 3分鐘,且較宜是3 0秒至2分鐘,這些步驟導致在基板 上形成所要的圖案。 對於可以使用的多種形式之高能輻射,本發明之光阻 組成物最合適使用波長是254至120毫微米之深-UV射線 、激發物雷射尤其是ArF雷射(193毫微米)、F2雷射( -60· 1266954 (56) 157毫微米)、Kr2雷射(146毫微米)、KrAr雷射(134 毫微米)或Ar2雷射(126毫微米)、X-射線或電子束形 成微小圖案,建議暴露在波長是100至180毫微米或1至 30毫微米之高能輻射,尤其是F2雷射光束、Ar2雷射光 束或軟X-射線,超出上述範圍之上限及下限可能無法得 到所要的圖案。 本發明之光阻組成物對高能輻射有敏性,在高至200 毫微米之波長保持高透明度,且有改進的鹼溶解對比及電 漿蝕刻耐性,這些特性使得本發明之光阻組成物經由F2 雷射暴露後,容易形成側邊垂直於基板且有高方位比之微 細定義的圖案,使得此光阻合適在VLSI製造中作爲形成 微小圖案的物質。 實例 本發明之下列實例是供說明而不是作爲限制,其中使 用的縮寫AIBN是2,2’-偶氮雙異丁腈,GPC是凝膠穿透 層析法,NMR是核磁共振,Mw是重量平均分子量,Μη 是數量平均分子量,Mw/Mn是分子量分布或分散,THF 是四氫呋喃,且PGME A是丙二醇單甲醚醋酸酯。 單體合成實例1 單體1之合成 在燒瓶內加入40克二氯甲烷、10.0克下列醇丨及 1 3 · 0克吡啶,將燒瓶浸在冰浴中使內部溫度低於1 (TC, -61 - 1266954 (57) 從添加漏斗將13·36克氯乙基磺醯氯逐滴加入燒瓶內,逐 滴添加後攪拌2小時,進行慣用的後續處理,將所得的油 性物質經由矽膠層析法純化,得到1 〇 · 9克單體1,產量 64%。 01=0 0 f3c-- f3c--
OH 單體1 醇1 早體合成實例2 單體2之合成 在燒瓶內加入4 0克二氯甲烷、1 〇 · 〇克下列醇2及 1 〇 · 8克吡啶,將燒瓶浸在冰浴中使內部溫度低於丨〇它, 從添加漏斗將1 1 · 1 1克氯乙基磺醯氯逐滴加入燒瓶內,逐 滴添加後攪拌2小時,進行慣用的後續處理,將所得的油 性物質經由矽膠層析法純化,得到1 1.4克單體2,產量 7 2%。 o=r〇
Ο OH
單體2 醇2 聚合物合成貫例1 單體1、單體3及單體4(0.4:0.2:0.4)之共聚合 -62- 1266954 (58) 在3 Ο 0毫升燒瓶中加入溶解在5 · 0克1,4 -二Df烷中的 5.47克單體1、6.55克下列單體3及7.98克下列單體4, 將系統完全除去氧氣,加入0.5 1克引發劑AIBN並在65 °C加熱使聚合反應進行24小時。 )=?
處理如此所得的聚合物是經由將反應混合物倒入1升 己烷中使聚合物沈澱,將聚合物溶解在T H F並倒入1升 己烷使其沈澱之步驟重複兩次,然後將聚合物分離並乾燥 ,得到1 2 · 5克白色聚合物,經由光學掃描方法測量發現 其Mw是6,100,且從GPC流洗曲線測量之分散性( Mw/Mn )是 1.4,經由 W-NMR分析,發現聚合物在 〇·37:0· 19:0.44之比例下含衍生自單體1、單體3及單體4 之各單元。 聚合物合成實例2 單體1、單體5及單體6(0.3:0.3:0.4)之共聚合 在3 0 0毫升燒瓶中加入溶解在5 · 0克i,4 -二嗎院中的 5.60克單體1、5.03克下列單體5及9.3 7克下列單體6, 將系統完全除去氧氣,加入0.70克引發劑AIBN並在65 -63- 1266954 (59)
°C加熱使聚合反應進行24 單體5 處理如此所得的聚合物是經由將反應混合物倒入1升 己烷中使聚合物沈澱,將聚合物溶解在THF並倒入1升 己烷使其沈澱之步驟重複兩次,然後將聚合物分離並乾燥 ,得到1 1 · 7克白色聚合物,經由光學掃描方法測量發現 其 Mw是 6,800,且從 GPC流洗曲線測量之分散性( Mw/Mn)是 1.4,經由 W-NMR分析,發現聚合物在 0.29:0.31:0.40之比例下含衍生自單體1、單體5及單體6 之各單元。 聚合物合成實例3 單體1、單體5及單體7 (0.3·· 0.3·· 0.4)之共聚合 在3 0 0毫升燒瓶中加入溶解在5 · 0克1,4 -二噚烷中的 4.38克單體1、3.94克單體5及11.7克下列單體7,將系 統完全除去氧氣,加入〇·55克引發劑AIBN並在65 °C加 熱使聚合反應進行24小時。 -64- 1266954 (60)
處理如此所得的聚合物是經由將反應混合 己烷中使聚合物沈澱,將聚合物溶解在T H F 己烷使其沈澱之步驟重複兩次,然後將聚合衫 ,得到1 2 · 9克白色聚合物’經由光學掃描ί 其 M w是 9,8 0 0,且從G P C流洗曲線測量 Mw/Mn )是 1.4,經由 W-NMR分析,發 0.3 0 : 0.3 1 : 0.3 9之比例下含衍生自單體1、單骨 之各單元。 聚合物合成實例4 單體2、單體3及單體4(0.4:0.2:0.4)之共薄 在3 0 0毫升燒瓶中加入溶解在5.0克1,4 5.93克單體2、6.34克單體3及7.73克單體 全除去氧氣,加入0.50克引發劑AIBN並在 聚合反應進行24小時。 處理如此所得的聚合物是經由將反應混合 己院中使聚合物沈激,將聚合物溶解在T H F 己烷使其沈澱之步驟重複兩次,然後將聚合衫 ,得到1 3 · 9克白色聚合物,經由光學掃描尤 •物倒入1升 並倒入1升 J分離並乾燥 「法測量發現 之分散性( 現聚合物在 鏖5及單體7 $合 -二鸣烷中的 4 ^將系統完 65°C加熱使 ‘物倒入1升 並倒入1升 7分離並乾燥 「法測量發現 - 65- 1266954 (61) 其Mw是6,800,且從GPC流洗曲線測量之分散性( Mw/Mn )是1.4,經由 W-NMR分析,發現聚合物在 0.3 6:0.1 9:0.45之比例下含衍生自單體2、單體3及單體4 之各單元。 聚合物合成實例5 單體2、單體5及單體6(0。3:0.3:0.4)之共聚合 在3 00毫升燒瓶中加入溶解在5.0克1,4-二哼烷中的 6.06克單體2、4.87克單體5及9.07克單體6,將系統完 全除去氧氣,加入0.68克引發劑AIBN並在65 °C加熱使 聚合反應進行24小時。 處理如此所得的聚合物是經由將反應混合物倒入1升 己烷中使聚合物沈澱,將聚合物溶解在THF並倒入1升 己烷使其沈澱之步驟重複兩次,然後將聚合物分離並乾燥 ,得到14·2克白色聚合物,經由光學掃描方法測量發現 其 Mw是 6,900,且從GPC流洗曲線測量之分散性( Mw/Mn)是 1.4,經由iH-NMR分析,發現聚合物在 0·28:0·32:0·40之比例下含衍生自單體2、單體5及單體6 之各單元。 聚合物合成實例6 單體2、單體5及單體7(0.3:0.3:0.4)之共聚合 在3 00毫升燒瓶中加入溶解在5.0克l54_二D等院中的 4.78克單體2、3.84克單體5及11.38克單體7,將系統 -66 - 1266954 (62) 完全除去氧氣,加入〇·54克引發劑AIBN並在65 °c加熱 使聚合反應進行24小時。 處理如此所得的聚合物是經由將反應混合物倒入1升 己烷中使聚合物沈澱’將聚合物溶解在THF並倒入1升 己烷使其沈澱之步驟重複兩次,然後將聚合物分離並乾燥 ,得到1 3.6克白色聚合物,經由光學掃描方法測量發現 其Mw是9,600,且從GPC流洗曲線測量之分散性( Mw/Mn )是 1.4,經由】H-NMR分析,發現聚合物在 0.29:0.30:0.41之比例下含衍生自單體2、單體5及單體7 之各單元。 評估 聚合物穿透性測量 測量在聚合物合成實例1至6中所得且分別稱爲聚合 物1至6之聚合物之穿透性,完成三種其他聚合物用於比 較目的,比較性聚合物1是分子量爲1 0,0 0 0且分散性( Mw/Mn)是1.1之單分散聚羥基苯乙烯其中30%之羥基是 經由四氫吡喃基取代,同樣地,比較性聚合物2是分子量 爲1 5,000且分散性(Mw/Mn)是1.7之聚甲基丙烯酸甲 酯且比較性聚合物3是間位/對位比例是40/60,分子量 爲9,000且分散性(Mw/Mn )是2.5之酚醛淸漆聚合物。 將各1克之聚合物完全溶解在20克PGMEA並通過 〇. 2微米濾紙而得到聚合物溶液,將聚合物溶液旋轉塗覆 在MgF2基板上並在l〇(Tc之熱板上烘烤90秒,在基板上 -67- 1266954 (63) 形成厚度是1 00毫微米之聚合物膜,使用真空紫外線光譜 儀(VUV-200S,Nihon Bunko Co·,Ltd.),在 248 毫微米 、1 9 3毫微米及1 5 7毫微米測量聚合物膜之穿透性,結果 列在表1。 表1 穿透性(%) 248毫微米 193毫微米 157毫微米 聚合物1 99 93 72 聚合物2 99 93 67 聚合物3 99 10 63 聚合物4 99 93 7 1 聚合物5 99 93 66 聚合物6 99 10 62 比較性聚合物1 90 5 15 比較性聚合物2 9 1 80 12 比較性聚合物3 82 6 17 從表1明顯地看出使用本發明聚合物之光阻物質在 F2雷射波長(157毫微米)維持足夠的穿透性。 光阻製備及暴露 在慣用的方法中,經由將表2所列的量之聚合物、光 酸產生劑(PAG1或PAG2)、鹼性化合物及溶解抑制劑 -68- 1266954 (64) (DRI1 )溶解在1,〇〇〇組份之PGMEA而製備光阻溶液。
在塗覆85毫微米厚度的DUV-30( Brewer Science) 膜之矽晶片上旋轉塗覆光阻溶液,然後在12(TC之熱板上 烘烤90秒,得到膜厚度是1 00毫微米之光阻膜。 經由F2激發物雷射暴露工具(VUVES-45 00,Litho Tech Japan Corp.)暴露光阻膜並改變暴露劑量,暴露後 立即將光阻膜在120°C烘烤90秒(PEB ),然後用四甲基 氫氧化銨之2.3 8%水溶液顯影60秒,在不同的劑量範圍 測量膜厚度,從殘留的膜厚度對劑量的關係’測量得到膜 厚度〇的暴露劑量之敏度(Eth ),並測量特徵曲線的斜 率(tan0)之7"値。 另外,經由光罩在MgF2基板上形成Cr圖案’使與 Cr圖案表面緊密接觸之光阻膜暴露至F2雷射供實施接觸 -69 - 1266954 (65) 暴露,暴露後進行類似的PEB及顯影、形成圖案,在 S EM下觀察圖案之截面,可確定的最小圖案大小得到解 析度。 表2 聚合物 (pbw) 光酸 產生劑 (pbw) 鹼性 化合物 (pbw) 溶解 抑制劑 (pbw) 溶劑 (pbw) Eth 毫焦耳/ 平方公分 7 聚合物1 PAG1 三丁胺 - PGMEA 18 8.9 (100) (4) (0.1) (1000) 聚合物2 PAG1 三丁胺 - PGMEA 14 10.5 (100) (4) (0.1) (1000) 聚合物3 PAG1 三丁胺 - PGMEA 12 10.9 (100) (4) (0.1) (1000) 聚合物4 PAG1 三丁胺 - PGMEA 13 9.3 (100) (4) (0.1) (1000) 聚合物5 PAG1 三丁胺 - PGMEA 11 10.8 (100) (4) (0.1) (1000) 聚合物6 PAG1 三丁胺 - PGMEA 9 10.5 (100) (4) (0.1) (1000) 聚合物2 PAG1 三乙醇胺 PGMEA 16 10.3 (100) (4) (0.1) (1000) 聚合物2 PAG1 三丁胺 DRI1 PGMEA 12 10.1 (100) (4) (〇-1) (10) (1000) 聚合物2 PAG2 三丁胺 - PGMEA 10 12.9 (100) (4) (0.1) (1000) 比較性 聚合物1 (100) PAG1 (4) 三乙醇胺 (〇.1) PGMEA (1000) 非敏性,變成負型 ,膜厚度沒有降低 至〇毫微米 * -70- 1266954 (66) 暴露至VUVES後,本發明範圍內的光阻組成物顯示 高r値及高對比並顯示正型作用效應,隨著增加暴露劑量 而降低膜厚度,接觸暴露後之解析力高。 乾式蝕刻測試 經由將2克之各聚合物1至6完全溶解在10克之 PGMEA而製備聚合物溶液並使溶液通過0.2微米大小之 濾紙,將聚合物溶液旋轉塗覆在矽基板上並烘烤而形成 3 00毫微米厚度之聚合物膜,將上面有聚合物膜形成之晶 片在兩種情形下進行乾式餽刻,使用T 〇 k y ο E1 e c t r ο η K . K · 之乾式蝕刻儀器TE-8 5 00P並用CHF3/CF4氣體進行第一種 乾式鈾刻測試,使用Nichiden Anerba K.K.之乾式蝕刻儀 器L-5 07D-L並用C12/BC13氣體進行第二種乾式蝕刻測試 ,測量蝕刻測試前後之聚合物膜厚度差異,蝕刻情形列在 表3,且結果列在表4。 表3 chf3/cf4 氣體 C12/BC13 氣體 腔壓(Pa) 40.0 40.0 RF功率(W) 1 ?300 300 Gap (毫米) 9 9 氣體流速(毫升/分鐘) CHF3: 30 Cl2: 3 0 CF4: 30 BC13: 30 Ar: 100 CHF3: 100 〇2: 2 時間(秒) 30 30 -71 - 1266954 (67) 表4 聚合物 CHF3/CF4氣體蝕亥丨J速率 (毫微米/分鐘) C12/BC13氣體蝕刻速率 (毫微米/分鐘) 聚合物1 220 280 聚合物2 2 10 260 聚合物3 170 200 聚合物4 205 235 聚合物5 190 225 聚合物6 155 170 從表4明顯地看出本發明範圍內之光阻組成物完全耐 乾式蝕刻。 -72-
Claims (1)
1266954 (1) 拾、申請專利範圍 1 · 一種具有下列通式(1 )之磺酸酯化合物, 0卞0 0 R1--R1 R2 ⑴ 其中R1至R2各是氫、氟或含1至20個碳原子之直鏈、 支鍵或运狀院基或氯化院基,至少其中一*個R1至R2含氣 ,R1及R1、R1及R2或R1及R2可一起形成環,當其形成 環時,各R1至R2是含1至18個碳原子之直鏈或支鏈伸 烷基或氟化伸烷基,較宜含1至10個碳原子。 2. —種含下列通式(2)的重複單元且重量平均分子 量是1000至500000之聚合物,
R1--R2 R3 -73- 1 其中R1至R2各是氫、氟或含i至20個碳原子之直鏈、 支鏈或環狀烷基或氟化烷基,至少其中一個R1至R2含氟 ,R1及以、1^及1^或111及112可一起形成環,當其形成 環時,各R1至R2是含1至18個碳原子之直鏈或支鏈伸 烷基或氟化伸烷基,較宜含1至1 0個碳原子。 2 3 .根據申請專利範圍第2項之聚合物,其還含至少一 1266954 (2) 種選自下列通式(3a)至(3f)之重複單元:
其中R4、R5、R7、R8及R!5各是單鍵或含;!至2〇個碳原 子之直鏈、支鏈或環狀伸烷基或氟化伸烷基,R6、R9、 R12及R18各是氫或酸不穩定基,R1G、R11、R13、R]' R16及R17各是氫、氟、含1至20個碳原子之直鏈、支鏈 或環狀烷基或氟化烷基,至少其中一個R16及R17含至少 一個氟原子,R19是含1至20個碳原子之直鏈、支鏈或環 狀氟化烷基,“a”及“b”各是1或2。 4.根據申請專利範圍第2項之聚合物’其還含下列通 式(4 )之重複單元: -74- 1266954 (3)
(4) 其中R2G是亞甲基、氧原子或硫原子,R21至R24各是氫 、氟、-R25-〇R26、-R25-C02R26或含1至20個碳原子之直 鏈、支鏈或環狀烷基或氟化烷基,至少其中一個R21至 R24 含-R25-〇R26 或·r'cojM,r25 是含 1 至 2〇 個碳原 子之直鏈、支鏈或環狀伸烷基或氟化伸烷基,R26是氫、 酸不穩定基、黏附基或含1至2 0個碳原子且可含親水性 基例如羥基之直鏈、支鏈或環狀氟化烷基,且c是0或1 〇 5 ·根據申請專利範圍第4項之聚合物,其中該式(4 )之重複單元具有下列通式(4a)或(4b)之結構:
(4a) (4b) 其中R26是定義如上,R27至R3G各是氫、氟或含1至4 個碳原子之垸基或氟化院基’至少其中一個R 及R28含 至少一個氟原子,且至少其中一個R29及R3G含至少一個 氟原子。 -75- (4) 1266954 6 ·根據申請專利範圍第2項之聚合物,其還含下列通 式(5 )之重複單元:
其中R31是氫、氟、含1至20個碳原子之直鏈、支鏈或 環狀烷基或氟化烷基,R32是單鍵或含1至20個碳原子之 直鏈、支鏈或環狀伸烷基或氟化伸烷基,R33是氫或酸不 穩定基,R34是氟或含1至20個碳原子之直鏈、支鏈或環 狀烷基或氟化烷基,、-R25-〇R26、-R25-C02R26或含1至 2〇個碳原子之直鏈、支鏈或環狀氟化烷基,d是1或2, 且e是〇至4之整數,滿足l$d + eS5。 7.根據申請專利範圍第6項之聚合物,其中該式(5 )之重複單元具有下列通式(5 a )或(5 b )之結構:
其中R33是定義如上,R3 5至R4G各是氫、氟或含1至4 個碳原子之烷基或氟化烷基,至少其中一個R3 5及R3 6含 -76- 1266954 (5) 至少一個氟原子,且至少其中一個R37及R38含至少一個 氟原子,且至少其中一個R39及R4()含至少一個氟原子。 8.根據申請專利範圍第2項之聚合物,其還含下列通 式(6 )之重複單元:
R44 ⑹ 其中R41至R43各是氫、氟、含1至20個碳原子之直鏈 、支鏈或環狀烷基或氟化烷基’,且R44是氫、酸不穩定基 、黏附基或含1至20個碳原子且可含親水性基例如羥基 之直鏈、支鏈或環狀氟化烷基。 9·根據申請專利範圍第8項之聚合物,其中在式(6 )之R43是三氟甲基。 1 〇 · —種光阻組成物,其中含根據申請專利範圍第2 項之聚合物。 1 1 · 一種化學放大的正型光阻組成物,其含 (A)根據申請專利範圍第2項之聚合物, (B )有機溶劑,及 (C )光酸產生劑。 12.根據申請專利範圍第11項之光阻組成物,其還含 (D)鹼性化合物。 1 3 ·根據申請專利範圍第1 1項之光阻組成物,其還含 -77- 1266954 (6) (E )溶解抑制劑。 1 4 ·-種用於形成光阻圖案之方法,其步驟包括:將 丰艮»串請專利範圍第1 〇項之光阻組成物施加在基板上形 成塗膜’將塗膜熱處理後經由光罩暴露在1〇〇至18〇毫微 米或1至30毫微米波長範圍之高能輻射,及視需要熱處 理暴露的塗膜並用顯影劑將其顯影。 1 5 ·根據申請專利範圍第1 4項之圖案形成方法,其中 該高能輻射是F2雷射光束、Ar2雷射光束或軟x_射線。 -78-
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TW093102951A TWI266954B (en) | 2003-02-10 | 2004-02-09 | Sulfonates, polymers, resist compositions and patterning process |
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US (1) | US7125642B2 (zh) |
JP (1) | JP4240202B2 (zh) |
KR (1) | KR100805162B1 (zh) |
TW (1) | TWI266954B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7534548B2 (en) * | 2005-06-02 | 2009-05-19 | Hynix Semiconductor Inc. | Polymer for immersion lithography and photoresist composition |
JP5292377B2 (ja) * | 2010-10-05 | 2013-09-18 | 富士フイルム株式会社 | 感活性光線性又は感放射線性樹脂組成物、並びに、それを用いた感活性光線性又は感放射線性膜及びパターン形成方法 |
JP5840146B2 (ja) * | 2011-01-17 | 2016-01-06 | 株式会社クラレ | ビニルスルホン酸エステル誘導体、高分子化合物およびフォトレジスト組成物 |
JP5834985B2 (ja) * | 2012-02-14 | 2015-12-24 | Jsr株式会社 | 液浸露光用レジスト組成物 |
US9772558B2 (en) * | 2013-09-24 | 2017-09-26 | International Business Machines Corporation | Sulfonic acid ester containing polymers for organic solvent based dual-tone photoresists |
KR20150101074A (ko) * | 2014-02-26 | 2015-09-03 | 삼성전자주식회사 | 포토레지스트 조성물, 이를 이용한 패턴 형성 방법 및 반도체 소자의 제조 방법 |
JP2016071207A (ja) * | 2014-09-30 | 2016-05-09 | Jsr株式会社 | 感放射線性樹脂組成物、レジストパターン形成方法、重合体及び化合物 |
JP6417830B2 (ja) * | 2014-09-30 | 2018-11-07 | Jsr株式会社 | 感放射線性樹脂組成物、レジストパターン形成方法及び重合体 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US3406004A (en) * | 1963-08-30 | 1968-10-15 | Stevens & Co Inc J P | Reaction of polymeric materials containing active hydrogen with fluoro-alkyl vinyl sulfones |
US4491628A (en) | 1982-08-23 | 1985-01-01 | International Business Machines Corporation | Positive- and negative-working resist compositions with acid generating photoinitiator and polymer with acid labile groups pendant from polymer backbone |
DE3750275T3 (de) | 1986-06-13 | 1998-10-01 | Microsi Inc | Lackzusammensetzung und -anwendung. |
US5310619A (en) | 1986-06-13 | 1994-05-10 | Microsi, Inc. | Resist compositions comprising a phenolic resin, an acid forming onium salt and a tert-butyl ester or tert-butyl carbonate which is acid-cleavable |
JP3751065B2 (ja) | 1995-06-28 | 2006-03-01 | 富士通株式会社 | レジスト材料及びレジストパターンの形成方法 |
KR970022552A (ko) * | 1995-10-31 | 1997-05-30 | 김광호 | 화학 증폭형 포토레지스트 |
JPH09230595A (ja) | 1996-02-26 | 1997-09-05 | Nippon Zeon Co Ltd | レジスト組成物およびその利用 |
WO1997033198A1 (en) | 1996-03-07 | 1997-09-12 | The B.F. Goodrich Company | Photoresist compositions comprising polycyclic polymers with acid labile pendant groups |
US5843624A (en) | 1996-03-08 | 1998-12-01 | Lucent Technologies Inc. | Energy-sensitive resist material and a process for device fabrication using an energy-sensitive resist material |
JP3804756B2 (ja) | 1999-09-08 | 2006-08-02 | 信越化学工業株式会社 | 高分子化合物、化学増幅レジスト材料及びパターン形成方法 |
US6777160B2 (en) * | 2001-03-12 | 2004-08-17 | Fuji Photo Film Co., Ltd. | Positive-working resist composition |
JP4186051B2 (ja) | 2002-03-25 | 2008-11-26 | 信越化学工業株式会社 | 新規なエステル化合物、高分子化合物、レジスト材料及びパターン形成方法 |
JP3912516B2 (ja) * | 2002-08-09 | 2007-05-09 | 信越化学工業株式会社 | 高分子化合物、レジスト材料及びパターン形成方法 |
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2003
- 2003-02-10 JP JP2003032584A patent/JP4240202B2/ja not_active Expired - Lifetime
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2004
- 2004-02-09 TW TW093102951A patent/TWI266954B/zh not_active IP Right Cessation
- 2004-02-09 US US10/773,340 patent/US7125642B2/en not_active Expired - Lifetime
- 2004-02-10 KR KR1020040008686A patent/KR100805162B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
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TW200421033A (en) | 2004-10-16 |
US20040157156A1 (en) | 2004-08-12 |
KR20040072479A (ko) | 2004-08-18 |
JP4240202B2 (ja) | 2009-03-18 |
JP2004244436A (ja) | 2004-09-02 |
KR100805162B1 (ko) | 2008-02-21 |
US7125642B2 (en) | 2006-10-24 |
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