JP2010510541A - レジスト下層膜加工用ハードマスク組成物、前記ハードマスク組成物を用いた半導体集積回路デバイスの製造方法、および前記方法によって製造された半導体集積回路デバイス - Google Patents
レジスト下層膜加工用ハードマスク組成物、前記ハードマスク組成物を用いた半導体集積回路デバイスの製造方法、および前記方法によって製造された半導体集積回路デバイス Download PDFInfo
- Publication number
- JP2010510541A JP2010510541A JP2009537092A JP2009537092A JP2010510541A JP 2010510541 A JP2010510541 A JP 2010510541A JP 2009537092 A JP2009537092 A JP 2009537092A JP 2009537092 A JP2009537092 A JP 2009537092A JP 2010510541 A JP2010510541 A JP 2010510541A
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- JP
- Japan
- Prior art keywords
- hard mask
- group
- mask composition
- tetrabutylammonium
- aromatic ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 125000003118 aryl group Chemical group 0.000 claims abstract description 34
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- 125000002947 alkylene group Chemical group 0.000 claims abstract description 20
- 239000002904 solvent Substances 0.000 claims abstract description 18
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- 125000005647 linker group Chemical group 0.000 claims abstract description 10
- 238000006068 polycondensation reaction Methods 0.000 claims abstract description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 claims abstract description 7
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- 239000006117 anti-reflective coating Substances 0.000 claims description 12
- 230000003667 anti-reflective effect Effects 0.000 claims description 9
- 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 9
- 239000000758 substrate Substances 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
- SHFJWMWCIHQNCP-UHFFFAOYSA-M hydron;tetrabutylazanium;sulfate Chemical compound OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC SHFJWMWCIHQNCP-UHFFFAOYSA-M 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- FPGGTKZVZWFYPV-UHFFFAOYSA-M tetrabutylammonium fluoride Chemical compound [F-].CCCC[N+](CCCC)(CCCC)CCCC FPGGTKZVZWFYPV-UHFFFAOYSA-M 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 125000000623 heterocyclic group Chemical group 0.000 claims description 6
- 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 6
- 239000000654 additive Substances 0.000 claims description 5
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- 239000003381 stabilizer Substances 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- 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 description 4
- 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 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 4
- 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 4
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 claims description 4
- 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 4
- FDTUVFSBEYKVAP-UHFFFAOYSA-N formic acid;pyridine Chemical compound OC=O.C1=CC=NC=C1 FDTUVFSBEYKVAP-UHFFFAOYSA-N 0.000 claims description 4
- ARRNBPCNZJXHRJ-UHFFFAOYSA-M hydron;tetrabutylazanium;phosphate Chemical compound OP(O)([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC ARRNBPCNZJXHRJ-UHFFFAOYSA-M 0.000 claims description 4
- 239000011368 organic material Substances 0.000 claims description 4
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims description 4
- MCZDHTKJGDCTAE-UHFFFAOYSA-M tetrabutylazanium;acetate Chemical compound CC([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC MCZDHTKJGDCTAE-UHFFFAOYSA-M 0.000 claims description 4
- GMRIOAVKKGNMMV-UHFFFAOYSA-N tetrabutylazanium;azide Chemical compound [N-]=[N+]=[N-].CCCC[N+](CCCC)(CCCC)CCCC GMRIOAVKKGNMMV-UHFFFAOYSA-N 0.000 claims description 4
- WGYONVRJGWHMKV-UHFFFAOYSA-M tetrabutylazanium;benzoate Chemical compound [O-]C(=O)C1=CC=CC=C1.CCCC[N+](CCCC)(CCCC)CCCC WGYONVRJGWHMKV-UHFFFAOYSA-M 0.000 claims description 4
- KRRBFUJMQBDDPR-UHFFFAOYSA-N tetrabutylazanium;cyanide Chemical compound N#[C-].CCCC[N+](CCCC)(CCCC)CCCC KRRBFUJMQBDDPR-UHFFFAOYSA-N 0.000 claims description 4
- SNMZANHSFVMKKA-UHFFFAOYSA-M tetrabutylazanium;formate Chemical compound [O-]C=O.CCCC[N+](CCCC)(CCCC)CCCC SNMZANHSFVMKKA-UHFFFAOYSA-M 0.000 claims description 4
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 claims description 4
- 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 4
- WWIYWFVQZQOECA-UHFFFAOYSA-M tetramethylazanium;formate Chemical compound [O-]C=O.C[N+](C)(C)C WWIYWFVQZQOECA-UHFFFAOYSA-M 0.000 claims description 4
- PTMFUWGXPRYYMC-UHFFFAOYSA-N triethylazanium;formate Chemical compound OC=O.CCN(CC)CC PTMFUWGXPRYYMC-UHFFFAOYSA-N 0.000 claims description 4
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- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 claims 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- WYSXJFIFFXPGAP-UHFFFAOYSA-N nitrous acid hydrobromide Chemical compound N(=O)O.Br WYSXJFIFFXPGAP-UHFFFAOYSA-N 0.000 claims 1
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- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
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- 241000233805 Phoenix Species 0.000 description 1
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- 125000004429 atom Chemical group 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
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- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
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- 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 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
-
- 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
- G03F7/091—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers characterised by antireflection means or light filtering or absorbing means, e.g. anti-halation, contrast enhancement
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/14—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/075—Silicon-containing compounds
- G03F7/0757—Macromolecular compounds containing Si-O, Si-C or Si-N bonds
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
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Abstract
式中、Xは、少なくとも1つの置換または非置換の芳香環を含むC6−C30の官能基であり、R1はC1−C6のアルキル基である;
式中、R2はC1−C6のアルキル基であり、R3はC1−C12のアルキル基である;
式中、R4およびR5はそれぞれ独立してC1−C6のアルキル基であり、Yは、芳香環、置換または非置換の、直鎖または分岐のC1−C20のアルキレン基、骨格中に芳香環、複素環、ウレア基またはイソシアヌレート基を含むC1−C20のアルキレン基、および少なくとも1つの多重結合を含むC2−C20の炭化水素基からなる群から選択される連結基である。
本発明のハードマスク組成物は、優れた膜特性および良好な保存安定性を示し、その満足できるハードマスク特性によって材料層に良好なパターンを転写することを可能にする。加えて、本発明のハードマスク組成物は、後続のパターンのエッチングの際にO2プラズマガスに対して改善されたエッチング耐性を有する。前記ハードマスク組成物は、高い親水性の薄膜の形成に使用することができ、したがって薄膜の上部の反射防止コーティングとの界面の相溶性の改善に効果的である。さらに、前記ハードマスク組成物を用いた半導体集積回路デバイスの製造方法を提供する。
Description
[比較例1]
メチルトリメトキシシラン1,750g、フェニルトリメトキシシラン340g、およびトリメトキシシラン313gを、機械的撹拌機、コンデンサ、滴下漏斗、および窒素導入管を備えた10リットルの4つ口フラスコに入れたプロピレングリコールモノメチルエーテルアセテート(PGMEA)5,600gに溶解させ、次いで、これに硝酸水溶液(1,000ppm)925gを添加した。得られた混合物を60℃で1時間反応させた後、生成したメタノールを減圧下で除去した。反応温度を50℃に維持して、反応を1週間継続させた。反応完了後、反応混合物にヘキサンを添加して式8の重合体を沈殿させた:
メチルトリメトキシシラン1,375g、フェニルトリメトキシシラン286g、およびビス(トリメトキシシリル)メタン740gを、機械的撹拌機、コンデンサ、滴下漏斗、および窒素導入管を備えた10リットルの4つ口フラスコに入れたPGMEA5,600gに溶解させ、次いで、これに硝酸水溶液(1,000ppm)654gを添加した。得られた混合物を50℃で1時間反応させた後、生成したメタノールを減圧下で除去した。反応温度を80℃に維持して、反応を1週間継続させた。反応完了後、反応混合物にヘキサンを添加して式9の重合体を沈殿させた:
メチルトリメトキシシラン1,632gおよびビス(トリメトキシシリル)メタン768gを、機械的撹拌機、コンデンサ、滴下漏斗、および窒素導入管を備えた10リットルの4つ口フラスコに入れたPGMEA5,600gに溶解させ、次いで、これに硝酸水溶液(1,000ppm)654gを添加した。得られた混合物を50℃で1時間反応させた後、生成したメタノールを減圧下で除去した。反応温度を50℃に維持して、反応を1週間継続させた。反応完了後、反応混合物にヘキサンを添加して式10の重合体を沈殿させた:
メチルトリメトキシシラン686gおよびビス(トリメトキシシリル)メタン1,714gを、機械的撹拌機、コンデンサ、滴下漏斗、および窒素導入管を備えた10リットルの4つ口フラスコに入れたPGMEA5,600gに溶解させ、次いで、これに硝酸水溶液(1,000ppm)462gを添加した。得られた混合物を50℃で1時間反応させた後、生成したメタノールを減圧下で除去した。反応温度を50℃に維持して、反応を3日間継続させた。反応完了後、反応混合物にヘキサンを添加して式11の重合体を沈殿させた:
フェニルトリメトキシシラン189g、メチルトリメトキシシラン519g、およびビス(トリエトキシシリル)エタン1,691gを、機械的撹拌機、コンデンサ、滴下漏斗、および窒素導入管を備えた10リットルの4つ口フラスコに入れたPGMEA5,600gに溶解させ、次いで、これに硝酸水溶液(1,000ppm)541gを添加した。得られた混合物を50℃で1時間反応させた後、生成したメタノールおよびエタノールを減圧下で除去した。反応温度を50℃に維持して、反応を3日間継続させた。反応完了後、反応混合物にヘキサンを添加して式12の重合体を沈殿させた:
比較例1および実施例1〜4で調製した溶液の保存安定性を試験した。各溶液の3つの試料を40℃で保存した。10日間隔で、試料中の重合体の分子量および試料をコートした後に得られた膜の厚さを測定した。結果を表1に示す。
比較例1および実施例1〜4で形成された膜の屈折率(n)および吸光係数(k)をエリプソメータ(J.A.Woollam)を用いて測定した。結果を表2に示す。
比較例1および実施例1〜4で形成された膜の水との接触角を、接触角測定システム(Phoenix 300 plus,SEO)を用いて測定した。各膜の表面(5点)上に10μlの水を滴下した。膜表面と水滴との間の角度を測定した。結果を表3に示す。
比較例1および実施例1〜4の膜について、パターンを用いないバルクドライエッチングを以下のプラズマ条件下で100秒間行った:90mT,400W/250W,24N2,12O2,500Ar。エッチング後、膜の厚さを測定し、単位時間あたりのエッチング速度を計算した。N2およびArをフローイングガスとして用い、O2を主エッチングガスとして用いた。結果を表4に示す。
比較例1および実施例1〜4で形成された各膜上に、ArFフォトレジストをコートし、110℃で60秒間ベーキングし、ArF露光システム(ASML1250,NA0.82)を用いて露光し、TMAH水溶液(2.38重量%)で現像して80nmのラインアンドスペースパターンを形成した。実施例2および3で形成した膜上に、さらなる反射防止コーティングを形成した。CD−SEMを用いてパターンを観察した。パターンの露光寛容度(EL)マージンを露光エネルギーの関数として、焦点深度(DoF)マージンを光源からの距離の関数として測定した。結果を表5に示す。
実験例5で得られたパターニングされた試片をCFxプラズマ、O2プラズマおよびCFxプラズマを用いて順にドライエッチングした。残留する有機材料をO2を用いて完全に除去し、エッチングした試片の断面をFE−SEMで観察した。結果を表6に示す。
Claims (13)
- オルガノシラン重合体および溶媒または溶媒の混合物を含むレジスト下層膜加工用ハードマスク組成物であって、前記オルガノシラン重合体は、酸触媒の存在下で、式1、2、および3で表される化合物から調製される、レジスト下層膜加工用ハードマスク組成物:
- 前記オルガノシラン重合体は、式1、2、および3の化合物100重量部に対して、式1の化合物0〜90重量部、式2の化合物5〜90重量部、および式3の化合物5〜90重量部を混合し、混合物を0.001〜5重量部の酸触媒存在下で100〜900重量部の反応溶媒中で反応させることによって調製される、請求項1に記載のハードマスク組成物。
- 前記酸触媒は、硝酸、硫酸、塩酸、p−トルエンスルホン酸一水和物、ジエチル硫酸、およびこれらの混合物からなる群から選択される、請求項1に記載のハードマスク組成物。
- 前記オルガノシラン重合体は、前記ハードマスク組成物100重量部に対して、1〜50重量部の量で存在する、請求項1に記載のハードマスク組成物。
- 架橋剤、ラジカル安定剤、および界面活性剤から選択される少なくとも1つの添加剤をさらに含む、請求項1に記載のハードマスク組成物。
- p−トルエンスルホン酸ピリジニウム、アミドスルホベタイン−16、(−)−カンファー−10−スルホン酸アンモニウム塩、ギ酸アンモニウム、ギ酸トリエチルアンモニウム、ギ酸トリメチルアンモニウム、ギ酸テトラメチルアンモニウム、ギ酸ピリジニウム、ギ酸テトラブチルアンモニウム、硝酸テトラメチルアンモニウム、硝酸テトラブチルアンモニウム、酢酸テトラブチルアンモニウム、アジ化テトラブチルアンモニウム、安息香酸テトラブチルアンモニウム、重硫酸テトラブチルアンモニウム、臭化テトラブチルアンモニウム、塩化テトラブチルアンモニウム、シアン化テトラブチルアンモニウム、フッ化テトラブチルアンモニウム、ヨウ化テトラブチルアンモニウム、硫酸テトラブチルアンモニウム、亜硝酸テトラブチルアンモニウム、p−トルエンスルホン酸テトラブチルアンモニウム、およびリン酸テトラブチルアンモニウムからなる群から選択される少なくとも1つの化合物をさらに含む、請求項1に記載のハードマスク組成物。
- 架橋剤、ラジカル安定剤、および界面活性剤から選択される少なくとも1つの添加剤をさらに含む、請求項8に記載のハードマスク組成物。
- 半導体集積回路デバイスの製造方法であって、
(a)基板上に材料層を提供する段階;
(b)前記材料層上に有機材料からなる第1ハードマスク層を形成する段階;
(c)前記第1ハードマスク層上に請求項1に記載のハードマスク組成物を塗布して第2反射防止ハードマスク層を形成する段階;
(d)前記第2反射防止ハードマスク層上に感光性画像形成層を形成する段階;
(e)前記画像形成層をパターンに従って露光し、前記画像形成層内に露光領域のパターンを形成する段階;
(f)前記感光性画像形成層および前記第2反射防止ハードマスク層の一部を選択的に除去し、前記第1ハードマスク層の一部を露出させる段階;
(g)パターニングされた前記第2反射防止ハードマスク層および前記第1ハードマスク層の一部を選択的に除去し、前記材料層の一部を露出させる段階;および
(h)前記材料層の露出部分をエッチングして前記材料層をパターニングする段階;
を含む、方法。 - 段階(d)の前に、前記第2反射防止ハードマスク層上にさらなる反射防止コーティングを形成する段階をさらに含む、請求項10に記載の方法。
- 請求項10に記載の方法によって製造された、半導体集積回路デバイス。
- 請求項11に記載の方法によって製造された、半導体集積回路デバイス。
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JP2010538143A (ja) * | 2007-09-06 | 2010-12-09 | チェイル インダストリーズ インコーポレイテッド | ギャップ充填特性が改善された半導体微細ギャップ充填用有機シラン系重合体及びこれを利用した半導体微細ギャップ充填用コーティング組成物 |
JP2012190050A (ja) * | 2010-09-09 | 2012-10-04 | Jsr Corp | レジストパターン形成方法 |
JP2012194216A (ja) * | 2011-03-15 | 2012-10-11 | Shin Etsu Chem Co Ltd | パターン形成方法及びこれに用いるケイ素含有膜形成用組成物 |
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WO2008063016A1 (en) | 2008-05-29 |
JP5271274B2 (ja) | 2013-08-21 |
US8273519B2 (en) | 2012-09-25 |
EP2095188A4 (en) | 2010-06-16 |
CN101490621B (zh) | 2013-03-13 |
TW200832060A (en) | 2008-08-01 |
US20080118875A1 (en) | 2008-05-22 |
TWI366068B (en) | 2012-06-11 |
KR100796047B1 (ko) | 2008-01-21 |
EP2095188A1 (en) | 2009-09-02 |
CN101490621A (zh) | 2009-07-22 |
EP2095188B1 (en) | 2017-02-22 |
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