KR100930672B1 - 실리콘계 하드마스크 조성물 및 이를 이용한 반도체집적회로 디바이스의 제조방법 - Google Patents
실리콘계 하드마스크 조성물 및 이를 이용한 반도체집적회로 디바이스의 제조방법 Download PDFInfo
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- KR100930672B1 KR100930672B1 KR1020080003676A KR20080003676A KR100930672B1 KR 100930672 B1 KR100930672 B1 KR 100930672B1 KR 1020080003676 A KR1020080003676 A KR 1020080003676A KR 20080003676 A KR20080003676 A KR 20080003676A KR 100930672 B1 KR100930672 B1 KR 100930672B1
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- KR
- South Korea
- Prior art keywords
- hard mask
- formula
- tetrabutylammonium
- silicon
- carbon atoms
- Prior art date
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 46
- 239000010703 silicon Substances 0.000 title claims abstract description 46
- 239000000203 mixture Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000004065 semiconductor Substances 0.000 title claims description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 37
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 31
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 22
- 150000001282 organosilanes Chemical class 0.000 claims abstract description 15
- 125000003118 aryl group Chemical group 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 7
- 125000004429 atom Chemical group 0.000 claims abstract description 7
- 125000000524 functional group Chemical group 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 41
- 229920002120 photoresistant polymer Polymers 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 13
- ZDYVRSLAEXCVBX-UHFFFAOYSA-N pyridinium p-toluenesulfonate Chemical compound C1=CC=[NH+]C=C1.CC1=CC=C(S([O-])(=O)=O)C=C1 ZDYVRSLAEXCVBX-UHFFFAOYSA-N 0.000 claims description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
- 229910017604 nitric acid Inorganic materials 0.000 claims description 9
- 239000003377 acid catalyst Substances 0.000 claims description 8
- 238000000059 patterning Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 229910009257 Y—Si Inorganic materials 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- SHFJWMWCIHQNCP-UHFFFAOYSA-M hydron;tetrabutylazanium;sulfate Chemical compound OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC SHFJWMWCIHQNCP-UHFFFAOYSA-M 0.000 claims description 4
- KJIFKLIQANRMOU-UHFFFAOYSA-N oxidanium;4-methylbenzenesulfonate Chemical compound O.CC1=CC=C(S(O)(=O)=O)C=C1 KJIFKLIQANRMOU-UHFFFAOYSA-N 0.000 claims description 4
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 claims description 4
- CLCSYZQBLQDRQU-UHFFFAOYSA-N 3-[3-(hexadecanoylamino)propyl-dimethylazaniumyl]propane-1-sulfonate Chemical compound CCCCCCCCCCCCCCCC(=O)NCCC[N+](C)(C)CCCS([O-])(=O)=O CLCSYZQBLQDRQU-UHFFFAOYSA-N 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 2
- KUCWUAFNGCMZDB-UHFFFAOYSA-N 2-amino-3-nitrophenol Chemical compound NC1=C(O)C=CC=C1[N+]([O-])=O KUCWUAFNGCMZDB-UHFFFAOYSA-N 0.000 claims description 2
- REAVCZWUMGIGSW-UHFFFAOYSA-M 4-methylbenzenesulfonate;tetrabutylazanium Chemical compound CC1=CC=C(S([O-])(=O)=O)C=C1.CCCC[N+](CCCC)(CCCC)CCCC REAVCZWUMGIGSW-UHFFFAOYSA-M 0.000 claims description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims description 2
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 claims description 2
- JTMZBRWRXFAITF-UHFFFAOYSA-N azane;(7,7-dimethyl-3-oxo-4-bicyclo[2.2.1]heptanyl)methanesulfonic acid Chemical compound [NH4+].C1CC2(CS([O-])(=O)=O)C(=O)CC1C2(C)C JTMZBRWRXFAITF-UHFFFAOYSA-N 0.000 claims description 2
- DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 claims description 2
- 229940008406 diethyl sulfate Drugs 0.000 claims description 2
- FDTUVFSBEYKVAP-UHFFFAOYSA-N formic acid;pyridine Chemical compound OC=O.C1=CC=NC=C1 FDTUVFSBEYKVAP-UHFFFAOYSA-N 0.000 claims description 2
- 150000007530 organic bases Chemical class 0.000 claims description 2
- 150000003871 sulfonates Chemical class 0.000 claims description 2
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims description 2
- RLYWYSHIUZGGDD-UHFFFAOYSA-L tetrabutylazanium dibenzoate Chemical compound [O-]C(=O)c1ccccc1.[O-]C(=O)c1ccccc1.CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC RLYWYSHIUZGGDD-UHFFFAOYSA-L 0.000 claims description 2
- GMRIOAVKKGNMMV-UHFFFAOYSA-N tetrabutylazanium;azide Chemical compound [N-]=[N+]=[N-].CCCC[N+](CCCC)(CCCC)CCCC GMRIOAVKKGNMMV-UHFFFAOYSA-N 0.000 claims description 2
- KRRBFUJMQBDDPR-UHFFFAOYSA-N tetrabutylazanium;cyanide Chemical compound N#[C-].CCCC[N+](CCCC)(CCCC)CCCC KRRBFUJMQBDDPR-UHFFFAOYSA-N 0.000 claims description 2
- SNMZANHSFVMKKA-UHFFFAOYSA-M tetrabutylazanium;formate Chemical compound [O-]C=O.CCCC[N+](CCCC)(CCCC)CCCC SNMZANHSFVMKKA-UHFFFAOYSA-M 0.000 claims description 2
- SHRKDVQQQPFSIY-UHFFFAOYSA-M tetrabutylazanium;nitrite Chemical compound [O-]N=O.CCCC[N+](CCCC)(CCCC)CCCC SHRKDVQQQPFSIY-UHFFFAOYSA-M 0.000 claims description 2
- ZXUCBXRTRRIBSO-UHFFFAOYSA-L tetrabutylazanium;sulfate Chemical compound [O-]S([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC ZXUCBXRTRRIBSO-UHFFFAOYSA-L 0.000 claims description 2
- WWIYWFVQZQOECA-UHFFFAOYSA-M tetramethylazanium;formate Chemical compound [O-]C=O.C[N+](C)(C)C WWIYWFVQZQOECA-UHFFFAOYSA-M 0.000 claims description 2
- PTMFUWGXPRYYMC-UHFFFAOYSA-N triethylazanium;formate Chemical compound OC=O.CCN(CC)CC PTMFUWGXPRYYMC-UHFFFAOYSA-N 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims 7
- LLNAMUJRIZIXHF-CLFYSBASSA-N (z)-2-methyl-3-phenylprop-2-en-1-ol Chemical compound OCC(/C)=C\C1=CC=CC=C1 LLNAMUJRIZIXHF-CLFYSBASSA-N 0.000 claims 2
- 238000006068 polycondensation reaction Methods 0.000 claims 2
- FPGGTKZVZWFYPV-UHFFFAOYSA-M tetrabutylammonium fluoride Chemical compound [F-].CCCC[N+](CCCC)(CCCC)CCCC FPGGTKZVZWFYPV-UHFFFAOYSA-M 0.000 claims 2
- MCZDHTKJGDCTAE-UHFFFAOYSA-M tetrabutylazanium;acetate Chemical compound CC([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC MCZDHTKJGDCTAE-UHFFFAOYSA-M 0.000 claims 2
- ZUNGHUWHMVXIIF-UHFFFAOYSA-L [I-].[I-].CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC Chemical compound [I-].[I-].CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC ZUNGHUWHMVXIIF-UHFFFAOYSA-L 0.000 claims 1
- ICYAGRNFUYLOGW-UHFFFAOYSA-K [Si+2].P(=O)([O-])([O-])[O-].C(CCC)[N+](CCCC)(CCCC)CCCC Chemical compound [Si+2].P(=O)([O-])([O-])[O-].C(CCC)[N+](CCCC)(CCCC)CCCC ICYAGRNFUYLOGW-UHFFFAOYSA-K 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical compound C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 claims 1
- 239000000243 solution Substances 0.000 description 38
- 238000006243 chemical reaction Methods 0.000 description 26
- 239000010408 film Substances 0.000 description 26
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 25
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- 239000000463 material Substances 0.000 description 14
- 238000003860 storage Methods 0.000 description 14
- 238000004528 spin coating Methods 0.000 description 9
- 125000003545 alkoxy group Chemical group 0.000 description 8
- 238000005530 etching Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- 238000010790 dilution Methods 0.000 description 7
- 239000012895 dilution Substances 0.000 description 7
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 7
- 229920005573 silicon-containing polymer Polymers 0.000 description 7
- FOQJQXVUMYLJSU-UHFFFAOYSA-N triethoxy(1-triethoxysilylethyl)silane Chemical compound CCO[Si](OCC)(OCC)C(C)[Si](OCC)(OCC)OCC FOQJQXVUMYLJSU-UHFFFAOYSA-N 0.000 description 7
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 4
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000006117 anti-reflective coating Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229910000077 silane Inorganic materials 0.000 description 4
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 3
- 239000007810 chemical reaction solvent Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- JOLQKTGDSGKSKJ-UHFFFAOYSA-N 1-ethoxypropan-2-ol Chemical compound CCOCC(C)O JOLQKTGDSGKSKJ-UHFFFAOYSA-N 0.000 description 2
- LIPRQQHINVWJCH-UHFFFAOYSA-N 1-ethoxypropan-2-yl acetate Chemical compound CCOCC(C)OC(C)=O LIPRQQHINVWJCH-UHFFFAOYSA-N 0.000 description 2
- FENFUOGYJVOCRY-UHFFFAOYSA-N 1-propoxypropan-2-ol Chemical compound CCCOCC(C)O FENFUOGYJVOCRY-UHFFFAOYSA-N 0.000 description 2
- DMFAHCVITRDZQB-UHFFFAOYSA-N 1-propoxypropan-2-yl acetate Chemical compound CCCOCC(C)OC(C)=O DMFAHCVITRDZQB-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 229940116333 ethyl lactate Drugs 0.000 description 2
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 2
- ARRNBPCNZJXHRJ-UHFFFAOYSA-M hydron;tetrabutylazanium;phosphate Chemical compound OP(O)([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC ARRNBPCNZJXHRJ-UHFFFAOYSA-M 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 125000005647 linker group Chemical group 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910008051 Si-OH Inorganic materials 0.000 description 1
- 229910006358 Si—OH Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- UGAPHEBNTGUMBB-UHFFFAOYSA-N acetic acid;ethyl acetate Chemical compound CC(O)=O.CCOC(C)=O UGAPHEBNTGUMBB-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920000734 polysilsesquioxane polymer Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- -1 tetrabutylammonium nitrate Tetrabutylammonium acetate Chemical compound 0.000 description 1
- CMUTXJXHVDKYAN-UHFFFAOYSA-L tetrabutylazanium difluoride Chemical compound [F-].[F-].CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC CMUTXJXHVDKYAN-UHFFFAOYSA-L 0.000 description 1
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/11—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
- C08G77/50—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
- C08G77/50—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
- C08G77/52—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages containing aromatic rings
-
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Abstract
Description
접촉각 | Point 1 | Point 2 | Point 3 | Point 4 | Point 5 | 평균 |
실시예1 | 79.2° | 79.1° | 79.4° | 79.5° | 79.0° | 79.2° |
실시예2 | 73.8° | 73.6° | 73.6° | 73.6° | 73.7° | 73.7° |
실시예3 | 71.5° | 71.2° | 72.3° | 71.3° | 71.1° | 71.5° |
필름 제조에 사용된 샘플 | 광학 특성 (193nm) | |
n(굴절율) | k(흡광계수) | |
실시예1 | 1.62 | 0.10 |
실시예4 | 1.73 | 0.20 |
샘플 | 시작 | 30일 후 | ||
표준분자량 | 두께 | 표준분자량 | 두께 | |
실시예5 | 1.0 | 501 Å | 1.0 | 503 Å |
실시예6 | 1.0 | 502 Å | 1.0 | 503 Å |
실시예7 | 1.0 | 503 Å | 1.1 | 514 Å |
필름 제조에 사용된 샘플 | 패턴특성 | |
EL (△mJ/exposure energy mJ) | DoF(㎛) | |
실시예1 | 0.2 | 0.2 |
실시예2 | 0.2 | 0.2 |
실시예3 | 0.2 | 0.2 |
필름 제조에 사용된 샘플 | 에칭 후 패턴 모양 |
실시예1 | 수직모양 |
실시예2 | 수직모양 |
실시예3 | 수직모양 |
Claims (12)
- 하기 화학식 1로 나타내어 지는 유기실란계 중합체(a); 및 용매(b)를 포함하는 것을 특징으로 하는 실리콘계 하드마스크 조성물.[화학식1]{(SiO1.5-Y-SiO1.5)x(R3SiO1.5)y(XSiO1.5)z}(OH)e(OR6)f(x,y,z는 중합체 중 (SiO1.5-Y-SiO1.5), (R3SiO1.5), (XSiO1.5) 반복단위 각각의 상대적인 비를 나타낸 것이고, e,f는 중합체 중 실리콘(Si)원자에 결합되어 있는 말단 -OH기와 -OR기 각각의 개수를 2x+y+z개의 실리콘(Si)원자 대비 개수로 나타낸 것으로서, 0.05≤x,y≤0.9, 0≤z≤0.9, x+y+z=1 이고, 0.03≤e≤0.2, 0.03≤f≤0.25를 만족하며,X는 치환 또는 비치환의 방향족 고리를 함유하는 탄소수 6~30의 관능기이고,R3은 각각 독립적으로 탄소수 1~6의 알킬기이며,R6은 탄소수 1~6의 알킬기임.)
- 제1항에 있어서, 상기 유기실란계 중합체(a)는 하기 화학식 2, 3 및 4로 나타내어지는 화합물들의 축중합물인 것을 특징으로 하는 실리콘계 하드마스크 조성물.[화학식 2](HO)a(R1O)(3-a)Si-X(R1은 탄소수 1~6의 알킬기, 0≤a≤3, X는 치환 또는 비치환의 방향족 고리를 함유하는 탄소수 6~30의 관능기)[화학식 3](HO)b(R2O)(3-b)Si-R3(R2은 탄소수 1~6의 알킬기, 0≤b≤3, R3은 탄소수 1~12의 알킬기)[화학식 4](HO)c(R4O)(3-c)Si-Y-Si(OH)d(R5O)(3-d)
- 제1항에 있어서, 상기 유기실란계 중합체(a)는 산 촉매하에 하기 화학식 5, 6 및 7로 표시되는 화합물들로부터 가수분해되어 형성되는 화합물들의 축중합물인 것을 특징으로 하는 실리콘계 하드마스크 조성물.[화학식 5](R1O)3Si-X(X는 치환 또는 비치환의 방향족 고리를 함유하는 탄소수 6~30의 관능기, R1은 탄소수 1~6의 알킬기)[화학식 6](R2O)3Si-R3(R2은 탄소수 1~6의 알킬기, R3은 탄소수 1~12의 알킬기)[화학식 7](R4O)3Si-Y-Si(OR5)3(R4 및 R5는 각각 독립적으로 탄소수 1~6의 알킬기이고, Y는 탄소수 1~20의 직쇄 또는 분지쇄의 치환 또는 비치환의 알킬렌기, , , , , , 및 로 이루어진 군에서 선택되는 결합기임.)
- 제1항에 있어서, 상기 유기실란계 중합체(a)는 중량 평균 분자량이 2,000~90,000인 것을 특징으로 하는 실리콘계 하드마스크 조성물.
- 제 3항에 있어서, 상기 유기실란계 중합체(a)는 상기 화학식 5로 표시되는 화합물, 상기 화학식 6으로 표시되는 화합물 및 상기 화학식 7로 표시되는 화합물의 합 100 중량부를 기준으로 할 때, 상기 화학식 5로 표시되는 화합물 0 내지 90중량부, 상기 화학식 6으로 표시되는 화합물 5내지 90중량부 및 상기 화학식 7로 표시되는 화합물 5내지 90중량부의 혼합물을 0.001중량부 내지 5중량부의 산촉 매 하에서 반응시켜 생성된 것을 특징으로 하는 실리콘계 하드마스크 조성물.
- 제 3항에 있어서, 상기 산 촉매는 질산(nitric acid), 황산(sulfuric acid), 염산(hydrochloric acid), p-톨루엔 술폰산 수화물 (p-toluenesulfonic acid monohydrate), 디에틸설페이트 (diethylsulfate) 로 이루어진 군에서 1종 이상 선택되는 것을 특징으로 하는 스핀-온-코팅이 가능한 실리콘계 하드마스크 조성물.
- 제 1항에 있어서, 상기 유기실란계 중합체(a)는 전체 하드마스크 조성물 100중량부에 대하여, 1 내지 50중량부 포함되는 것을 특징으로 하는 실리콘계 하드마스크 조성물.
- 제 1항에 있어서, 상기 하드마스크 조성물은 피리디늄 p-톨루엔술포네이트(pyridinium p-toluenesulfonate), 아미도설포베타인-16(amidosulfobetain-16), 암모늄 (-)-캠퍼-10-술폰산염((-)-camphor-10-sulfonic acid ammonium salt) 등 유기염기의 술폰산염이나 암모늄 포메이트(ammonium formate), 트리에틸암모늄 포메이트(triethylammonium formate), 트리메틸암모늄 포메이트 (trimethyammonium formate), 테트라메틸암모늄 포메이트 (tetramethylammonium formate), 피리디늄 포메이트 (pyridinium formate), 테트라부틸암모늄 포메이트 (tetrabutylammonium formate), 테트라메틸암모늄 나이트레이트 (tetramethylammonium nitrate), 테트라부틸암모늄 나이트레이트 (tetrabutylammonium nitrate), 테트라부틸암모늄 아세테이트 (tetrabutylammonium acetate), 테트라부틸암모늄 아자이드 (tetrabutylammonium azide), 테트라부틸암모늄 벤조에이트 (tetrabutylammonium benzoate), 테트라부틸암모늄 바이설페이트 (tetrabutylammonium bisulfate), 브롬화 테트라부틸암모늄 (tetrabutylammonium bromide), 염화 테트라부틸암모늄 (tetrabutylammonium chloride), 시안화 테트라부틸암모늄 (tetrabutylammonium cyanide), 불화 테트라부틸암모늄 (tetrabutylammonium fluoride), 요오드화 테트라부틸암모늄 (tetrabutylammonium iodide), 테트라부틸암모늄 설페이트 (tetrabutylammonium sulfate), 테트라부틸암모늄 나이트라이트 (tetrabutylammonium nitrite), 테트라부틸암모늄 p-톨루엔설포네이트 (tetrabutylammonium p-toluenesulfonate), 테트라부틸암모늄 포스페이트 (tetrabutylammonium phosphate) 로 이루어진 군에서 선택되는 1이상의 화합물을 추가로 포함하는 것을 특징으로 하는 실리콘계 하드마스크 조성물.
- 제 1항에 있어서, 상기 하드마스크 조성물은 추가로 가교제, 라디칼 안정제, 계면활성제로 이루어진 군에서 선택되는 1종 이상의 첨가제를 더 포함하는 것을 특징으로 하는 실리콘계 하드마스크 조성물.
- 제 8항에 있어서, 상기 하드마스크 조성물은 추가로 가교제, 라디칼 안정제, 계면활성제로 이루어진 군에서 선택되는 1종 이상의 첨가제를 더 포함하는 것을 특징으로 하는 실리콘계 하드마스크 조성물.
- (a) 기질 위에 카본계 하드마스크 층을 형성시키는 단계;(b) 상기 카본계 하드마스크 층 위에 제1항 내지 제10항 중 어느 한 항 기재의 조성물을 코팅하여, 실리콘계 하드마스크 층을 형성시키는 단계;(c) 상기 실리콘계 하드마스크 층 위에 포토레지스트 층을 형성시키는 단계;(d) 상기 포토레지스트 층을 마스크를 사용하여 부분적으로 광원에 노출 시키는 단계;(e) 상기 광원에 노출된 포토레지스트 영역을 선택적으로 제거하여 패터닝하는 단계;(f) 상기 패터닝된 포토레지스트 층을 에치 마스크로 하여, 상기 패턴을 실리콘계 하드마스크 층으로 전사시켜 실리콘계 하드마스크 층을 패터닝하는 단계;(g) 상기 패터닝 된 실리콘계 하드마스크 층을 에치 마스크로 하여, 상기 패턴을 카본계 하드마스크로 전사시켜 카본계 하드마스크 층을 패터닝하는 단계; 및(h) 상기 패터닝된 카본계 하드마스크 층을 에치 마스크로 하여, 상기 패턴을 기질에 전사시키는 단계를 포함하는 것을 특징으로 하는 반도체 집적회로 디바이스의 제조방법.
- 제11항에 있어서, 상기 실리콘계 하드마스크 층을 형성시키는 (b)단계와 포토레지스트 층을 형성시키는 (c)단계 사이에 추가로 반사방지막을 형성시키는 단계를 더 포함하는 것을 특징으로 하는 반도체 집적회로 디바이스의 제조방법.
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KR1020080003676A KR100930672B1 (ko) | 2008-01-11 | 2008-01-11 | 실리콘계 하드마스크 조성물 및 이를 이용한 반도체집적회로 디바이스의 제조방법 |
EP08869469A EP2229607A4 (en) | 2008-01-11 | 2008-12-31 | SILICON-BASED HARD MASK COMPOSITION (SI-SIOH BASED ROTATION HARD MASK) AND METHOD FOR PRODUCING SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE USING THE SAME |
JP2010542157A JP5378410B2 (ja) | 2008-01-11 | 2008-12-31 | シリコン系ハードマスク組成物(Si−SOH;シリコン系スピンオンハードマスク)およびこれを用いた半導体集積回路デバイスの製造方法 |
CN2008801244896A CN101910947B (zh) | 2008-01-11 | 2008-12-31 | 硅基硬掩模组合物(Si-SOH;Si基旋涂硬掩模)以及使用该组合物制造半导体集成电路器件的方法 |
PCT/KR2008/007886 WO2009088177A2 (en) | 2008-01-11 | 2008-12-31 | Silicon-based hardmask composition (si-soh; si-based spin-on hardmask) and process of producing semiconductor integrated circuit device using the same |
TW098100849A TWI400300B (zh) | 2008-01-11 | 2009-01-10 | 以矽為主之硬質罩幕組成物(Si-SOH;以Si為主之旋塗硬質罩幕)以及使用該組成物製造半導體積體電路裝置的方法 |
US12/805,081 US8524851B2 (en) | 2008-01-11 | 2010-07-12 | Silicon-based hardmask composition and process of producing semiconductor integrated circuit device using the same |
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EP (1) | EP2229607A4 (ko) |
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KR (1) | KR100930672B1 (ko) |
CN (1) | CN101910947B (ko) |
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US20100279509A1 (en) | 2010-11-04 |
TWI400300B (zh) | 2013-07-01 |
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JP2011512023A (ja) | 2011-04-14 |
JP5378410B2 (ja) | 2013-12-25 |
EP2229607A2 (en) | 2010-09-22 |
CN101910947B (zh) | 2013-07-03 |
TW200940651A (en) | 2009-10-01 |
KR20090077618A (ko) | 2009-07-15 |
WO2009088177A2 (en) | 2009-07-16 |
CN101910947A (zh) | 2010-12-08 |
EP2229607A4 (en) | 2012-01-18 |
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