JP2013522654A - 反射防止ハードマスク組成物及びそれを用いたパターン化材料を調製する方法。 - Google Patents
反射防止ハードマスク組成物及びそれを用いたパターン化材料を調製する方法。 Download PDFInfo
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- JP2013522654A JP2013522654A JP2012554984A JP2012554984A JP2013522654A JP 2013522654 A JP2013522654 A JP 2013522654A JP 2012554984 A JP2012554984 A JP 2012554984A JP 2012554984 A JP2012554984 A JP 2012554984A JP 2013522654 A JP2013522654 A JP 2013522654A
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- 238000004132 cross linking Methods 0.000 claims abstract description 43
- 229920000642 polymer Polymers 0.000 claims abstract description 32
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910018557 Si O Inorganic materials 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010703 silicon Substances 0.000 claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims abstract description 13
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- 239000002253 acid Substances 0.000 claims description 34
- 238000003384 imaging method Methods 0.000 claims description 22
- 238000005530 etching Methods 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000001020 plasma etching Methods 0.000 claims description 11
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 10
- -1 lanthanides rare earth metals Chemical class 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 125000001046 glycoluril group Chemical group [H]C12N(*)C(=O)N(*)C1([H])N(*)C(=O)N2* 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
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- 238000010894 electron beam technology Methods 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 229910052732 germanium Inorganic materials 0.000 claims description 4
- 229910052735 hafnium Inorganic materials 0.000 claims description 4
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 4
- 150000007974 melamines Chemical class 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 4
- 229910052706 scandium Inorganic materials 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052727 yttrium Inorganic materials 0.000 claims description 4
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- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
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- 238000005886 esterification reaction Methods 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- MCVVDMSWCQUKEV-UHFFFAOYSA-N (2-nitrophenyl)methyl 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)OCC1=CC=CC=C1[N+]([O-])=O MCVVDMSWCQUKEV-UHFFFAOYSA-N 0.000 claims description 2
- DLDWUFCUUXXYTB-UHFFFAOYSA-N (2-oxo-1,2-diphenylethyl) 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)OC(C=1C=CC=CC=1)C(=O)C1=CC=CC=C1 DLDWUFCUUXXYTB-UHFFFAOYSA-N 0.000 claims description 2
- XGQJGMGAMHFMAO-UHFFFAOYSA-N 1,3,4,6-tetrakis(methoxymethyl)-3a,6a-dihydroimidazo[4,5-d]imidazole-2,5-dione Chemical compound COCN1C(=O)N(COC)C2C1N(COC)C(=O)N2COC XGQJGMGAMHFMAO-UHFFFAOYSA-N 0.000 claims description 2
- NJQJGRGGIUNVAB-UHFFFAOYSA-N 2,4,4,6-tetrabromocyclohexa-2,5-dien-1-one Chemical group BrC1=CC(Br)(Br)C=C(Br)C1=O NJQJGRGGIUNVAB-UHFFFAOYSA-N 0.000 claims description 2
- KUMMBDBTERQYCG-UHFFFAOYSA-N 2,6-bis(hydroxymethyl)-4-methylphenol Chemical compound CC1=CC(CO)=C(O)C(CO)=C1 KUMMBDBTERQYCG-UHFFFAOYSA-N 0.000 claims description 2
- NXKOSHBFVWYVIH-UHFFFAOYSA-N 2-n-(butoxymethyl)-1,3,5-triazine-2,4,6-triamine Chemical compound CCCCOCNC1=NC(N)=NC(N)=N1 NXKOSHBFVWYVIH-UHFFFAOYSA-N 0.000 claims description 2
- KFVIYKFKUYBKTP-UHFFFAOYSA-N 2-n-(methoxymethyl)-1,3,5-triazine-2,4,6-triamine Chemical compound COCNC1=NC(N)=NC(N)=N1 KFVIYKFKUYBKTP-UHFFFAOYSA-N 0.000 claims description 2
- 229930185605 Bisphenol Natural products 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
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- 239000004020 conductor Substances 0.000 claims description 2
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- 239000000696 magnetic material Substances 0.000 claims description 2
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
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- 239000011593 sulfur Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 229910052715 tantalum Inorganic materials 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 3
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- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 7
- 239000002243 precursor Substances 0.000 description 7
- 229910000077 silane Inorganic materials 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
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- 150000001298 alcohols Chemical class 0.000 description 4
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- VPVSTMAPERLKKM-UHFFFAOYSA-N glycoluril Chemical class N1C(=O)NC2NC(=O)NC21 VPVSTMAPERLKKM-UHFFFAOYSA-N 0.000 description 4
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- 239000010409 thin film Substances 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
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- WDECIBYCCFPHNR-UHFFFAOYSA-N chrysene Chemical group C1=CC=CC2=CC=C3C4=CC=CC=C4C=CC3=C21 WDECIBYCCFPHNR-UHFFFAOYSA-N 0.000 description 2
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- 238000013461 design Methods 0.000 description 2
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- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical group FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical group C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
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- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 1
- 206010001513 AIDS related complex Diseases 0.000 description 1
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 238000003547 Friedel-Crafts alkylation reaction Methods 0.000 description 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
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- 238000010934 O-alkylation reaction Methods 0.000 description 1
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- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical group C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Chemical group 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
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- 230000002860 competitive effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
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- 238000011109 contamination Methods 0.000 description 1
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
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- 239000012467 final product Substances 0.000 description 1
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- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- 230000003993 interaction Effects 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- NRNCYVBFPDDJNE-UHFFFAOYSA-N pemoline Chemical compound O1C(N)=NC(=O)C1C1=CC=CC=C1 NRNCYVBFPDDJNE-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
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- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
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- 239000004094 surface-active agent Substances 0.000 description 1
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- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical group C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
- H01L21/0274—Photolithographic processes
- H01L21/0276—Photolithographic processes using an anti-reflective coating
-
- 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
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/075—Silicon-containing compounds
- G03F7/0752—Silicon-containing compounds in non photosensitive layers or as additives, e.g. for dry lithography
-
- G—PHYSICS
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Abstract
【解決手段】 反射防止ハードマスク組成物層は、その骨格にSi−Oユニット及び非シリコン無機ユニットを有するポリマーを含む。このポリマーは、発色団部分、透明部分、及び架橋成分を含む。反射防止ハードマスク組成物層は、基板上にパターン化材料を形成する方法において使用される。
【選択図】 なし
Description
(a)基板上に材料層を設けることと、
(b)材料層の上に本発明の反射防止ハードマスク組成物を形成することと、
(c)反射防止組成物の上に放射線感受性画像形成層を形成することと、
(d)画像形成層を放射線にパターン様式で露光して、画像形成層内に放射線露光領域のパターンを形成することと、
(e)画像形成層及び反射防止ハードマスク組成物の部分を選択的に除去して、材料層の部分を露出させることと、
(f)材料層の露出部分をエッチングして、パターン化材料構造部を形成することと
を含む。
試料バイアルに、アルドリッチから入手した4gのDowanol(商標)PM溶液、及び1gのゾル・ゲル前駆体の混合物を入れた。Dowanol(商標)PM溶液は、Dowanol(商標)PM(100g)とFC−4430界面活性剤(0.5g)とを混合して調製した。1gのゾル・ゲル前駆体の混合物は、0.381gのシラン前駆体A(0.45モル%)、0.069gのシラン前駆体B(0.1モル%)、及び0.549gのTi(OC4H9)4を含み、ここでシラン前駆体Aは以下の構造式を有する化合物であり、
第2の反射防止ハードマスク層を、試料バイアルに入れる1グラムのシラン前駆体の構成要素以外は、実施例1で説明した手順に従って調製し分析した。
約250nm厚のアクリル・ベースのフォトレジスト層を、実施例1の硬化した反射防止ハードマスク層の上にスピン・コーティングした。この放射線感受性フォトレジスト画像形成層を130℃で60秒間加熱した。次に、加熱した画像形成層を、0.75NAの193nmASMLステッパを用い、AFSMレチクルを用いた通常の環状照射により画像化した。
実施例3において反射防止ハードマスク層上に形成されたコンタクト・ホール、ライン及び間隔パターンを、LAM RIEツールを用いて、20秒間のフッ化炭素ベースのエッチングにより、酸化シリコン上に転写した。
2mlの49%HFを250mlのエチレングリコールに混合して調製したフッ化水素/エチレングリコールの液体混合物中にウェハを60℃で浸漬し、次に、この処理されたウェハをClariant製のAZ400T(商標)(市販の剥離調合物)に80℃で浸漬し、それぞれの浸漬を5分間行うことによって、実施例1および実施例2の反射防止ハードマスク組成物層を、それらがその上にコーティングされたシリコン・ウェハから除去した。
Claims (21)
- Si−Oポリマー骨格と、前記Si−Oポリマー骨格内に組み込まれた非シリコン無機部分とを有するポリマーを含む、反射防止ハードマスク組成物。
- 前記Si−Oポリマー骨格は、発色団部分及び透明部分を含み、前記組成物は、前記Si−Oポリマー骨格上に与えられた、又は外部に与えられた、又は外部及び前記ポリマー骨格上の両方に与えられた架橋成分を含む、請求項1に記載の組成物。
- 酸発生剤、追加の架橋成分、又はそれらの組合せをさらに含む、請求項2に記載の組成物。
- 前記ポリマーは、酸発生剤をさらに含む、請求項2に記載の組成物。
- 前記ポリマーは、追加の架橋成分をさらに含む、請求項5に記載の組成物。
- 前記無機ユニットは、
式中、x及びyは前記の意味を有し、MaはSc、Y、La、B、Al、Ga、In及びランタニド希土類金属から選択され、MbはTi、Zr、Hf、Ge又はSnから選択され、McはV、Nb、Ta、P及び
請求項4に記載の組成物。 - 前記追加の架橋成分は、グリコールウリル、メトキシル化グリコールウリル、ブチル化グリコールウリル、テトラメトキシメチルグリコールウリル、メチルプロピルテトラメトキシメチルグリコールウリル、2,6−ビス(ヒドロキシメチル)−p−クレゾール、エステル化アミノ樹脂、メチル化メラミン樹脂、N−メトキシメチルメラミン、ブチル化メラミン樹脂、N−ブトキシメチルメラミン、ビスエポキシ、ビスフェノール、ビスフェノールA、及びそれらの混合物から選択される、請求項6に記載の組成物。
- 前記追加の架橋成分は、固形分ベースで約1重量%と約20重量%との間の濃度で存在する、請求項6に記載の組成物。
- 前記酸発生剤は、2,4,4,6−テトラブロモシクロヘキサジエノン、ベンゾイントシラート、2−ニトロベンジルトシラート、有機スルホン酸のアルキル又はペルフルオロアルキルエステル、及びそれらの混合物から選択される、請求項5に記載の組成物。
- 前記酸発生剤は、固形分ベースで約1重量%と約20重量%との間の濃度で存在する、請求項5に記載の組成物。
- 固形分ベースで約5重量%と約20重量%との間の濃度で存在する有機溶媒を含む、請求項3に記載の組成物。
- 前記組成物は、約30nmと約500nmとの間の厚さを有する層の形態をとる、請求項3に記載の組成物。
- 前記ポリマーは、少なくとも約500の重量平均分子量を有する、請求項3に記載の組成物。
- 前記重量平均分子量は、約1,000と約10,000との間の範囲にある、請求項14に記載の組成物。
- 基板上のパターン化材料を形成する方法であって、
(a)基板上に材料層を設けるステップと、
(b)前記材料層の上に反射防止ハードマスク組成物を形成するステップと、
(c)前記反射防止ハードマスク組成物の上に放射線感受性画像形成層を形成するステップと、
(d)前記画像形成層を放射線にパターン様式で露光することにより前記画像形成層内に放射線露光領域のパターンを作成するステップと、
(e)前記画像形成層及び下層の前記反射防止ハードマスク組成物の部分を選択的に除去して、前記材料層の部分を露出させるステップと、
(f)前記材料層の前記露出された部分をエッチングすることによりパターン化材料構造部を形成するステップと
を含む方法。 - 前記材料層は、導電性材料、半導体材料、磁性材料、絶縁性材料、金属、誘電体材料、又はそれらの組合せである、請求項16に記載の方法。
- 前記材料層は、酸化シリコン、窒化シリコン、多結晶シリコン、並びに、シリコン、炭素及び酸素を含む低k誘電体材料から選択される、請求項17に記載の方法。
- 前記放射線は、200nm未満の波長を有する紫外放射線、及び電子ビーム放射線から選択される、請求項16に記載の方法。
- 前記エッチングは、炭素、フッ素、塩素、臭素、イオウ、水素、酸素又はそれらの混合物を含むプラズマ中の反応性イオン・エッチングによって行われる、請求項16に記載の方法。
- 前記ステップ(e)は、前記基板と、有機溶媒、水酸化テトラメチルアンモニウム水溶液、水酸化アンモニウム水溶液、及びそれらの混合物から選択される現像液との接触によって行われる、請求項16に記載の方法。
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US12/711,748 US8323871B2 (en) | 2010-02-24 | 2010-02-24 | Antireflective hardmask composition and a method of preparing a patterned material using same |
PCT/US2010/053652 WO2011106040A1 (en) | 2010-02-24 | 2010-10-22 | Antireflective hardmask composition and a method of preparing a patterned material using same |
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DE112010005304T5 (de) | 2012-12-20 |
DE112010005304B4 (de) | 2022-07-28 |
US8323871B2 (en) | 2012-12-04 |
WO2011106040A1 (en) | 2011-09-01 |
GB2489645A (en) | 2012-10-03 |
CN102770807A (zh) | 2012-11-07 |
GB201213664D0 (en) | 2012-09-12 |
US20110207047A1 (en) | 2011-08-25 |
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