JP6687722B2 - フォトリソグラフィで使用されるフォトレジスト洗浄組成物及びそれを用いて基材を処理する方法 - Google Patents
フォトリソグラフィで使用されるフォトレジスト洗浄組成物及びそれを用いて基材を処理する方法 Download PDFInfo
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- JP6687722B2 JP6687722B2 JP2018505673A JP2018505673A JP6687722B2 JP 6687722 B2 JP6687722 B2 JP 6687722B2 JP 2018505673 A JP2018505673 A JP 2018505673A JP 2018505673 A JP2018505673 A JP 2018505673A JP 6687722 B2 JP6687722 B2 JP 6687722B2
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- 239000000203 mixture Substances 0.000 title claims description 286
- 229920002120 photoresistant polymer Polymers 0.000 title claims description 230
- 238000004140 cleaning Methods 0.000 title claims description 124
- 239000000758 substrate Substances 0.000 title claims description 56
- 238000000034 method Methods 0.000 title claims description 40
- 238000000206 photolithography Methods 0.000 title description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 172
- 239000003960 organic solvent Substances 0.000 claims description 95
- 230000007797 corrosion Effects 0.000 claims description 66
- 238000005260 corrosion Methods 0.000 claims description 66
- 239000003112 inhibitor Substances 0.000 claims description 56
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 42
- HHVIBTZHLRERCL-UHFFFAOYSA-N sulfonyldimethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 claims description 42
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 40
- 229910052751 metal Inorganic materials 0.000 claims description 40
- 239000002184 metal Substances 0.000 claims description 40
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 39
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 36
- 239000010408 film Substances 0.000 claims description 33
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 30
- 229920001174 Diethylhydroxylamine Polymers 0.000 claims description 29
- FVCOIAYSJZGECG-UHFFFAOYSA-N diethylhydroxylamine Chemical compound CCN(O)CC FVCOIAYSJZGECG-UHFFFAOYSA-N 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 25
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 claims description 24
- 239000000908 ammonium hydroxide Substances 0.000 claims description 23
- 239000010409 thin film Substances 0.000 claims description 23
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims description 22
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims description 22
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 claims description 20
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 20
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 claims description 18
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 18
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 15
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 15
- 150000003839 salts Chemical class 0.000 claims description 15
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- 239000002904 solvent Substances 0.000 claims description 14
- ZKXYINRKIDSREX-UHFFFAOYSA-N n,n-dipropylhydroxylamine Chemical compound CCCN(O)CCC ZKXYINRKIDSREX-UHFFFAOYSA-N 0.000 claims description 13
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 claims description 12
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 claims description 12
- UIKUBYKUYUSRSM-UHFFFAOYSA-N 3-morpholinopropylamine Chemical compound NCCCN1CCOCC1 UIKUBYKUYUSRSM-UHFFFAOYSA-N 0.000 claims description 11
- JIGUICYYOYEXFS-UHFFFAOYSA-N 3-tert-butylbenzene-1,2-diol Chemical compound CC(C)(C)C1=CC=CC(O)=C1O JIGUICYYOYEXFS-UHFFFAOYSA-N 0.000 claims description 11
- 239000001089 [(2R)-oxolan-2-yl]methanol Substances 0.000 claims description 11
- 229940074391 gallic acid Drugs 0.000 claims description 11
- 235000004515 gallic acid Nutrition 0.000 claims description 11
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 claims description 11
- KWIPUXXIFQQMKN-UHFFFAOYSA-N 2-azaniumyl-3-(4-cyanophenyl)propanoate Chemical compound OC(=O)C(N)CC1=CC=C(C#N)C=C1 KWIPUXXIFQQMKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000005711 Benzoic acid Substances 0.000 claims description 10
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 10
- 229940090948 ammonium benzoate Drugs 0.000 claims description 10
- 235000010233 benzoic acid Nutrition 0.000 claims description 10
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 9
- 229960004889 salicylic acid Drugs 0.000 claims description 9
- 229960004365 benzoic acid Drugs 0.000 claims description 8
- 229960004106 citric acid Drugs 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 4
- GSWAOPJLTADLTN-UHFFFAOYSA-N oxidanimine Chemical class [O-][NH3+] GSWAOPJLTADLTN-UHFFFAOYSA-N 0.000 claims description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- GLDQAMYCGOIJDV-UHFFFAOYSA-N Pyrocatechuic acid Natural products OC(=O)C1=CC=CC(O)=C1O GLDQAMYCGOIJDV-UHFFFAOYSA-N 0.000 claims 6
- 238000010790 dilution Methods 0.000 claims 2
- 239000012895 dilution Substances 0.000 claims 2
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- JZWFDVDETGFGFC-UHFFFAOYSA-N salacetamide Chemical group CC(=O)NC(=O)C1=CC=CC=C1O JZWFDVDETGFGFC-UHFFFAOYSA-N 0.000 claims 1
- 239000003643 water by type Substances 0.000 claims 1
- 229920002873 Polyethylenimine Polymers 0.000 description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 20
- WKFQMDFSDQFAIC-UHFFFAOYSA-N 2,4-dimethylthiolane 1,1-dioxide Chemical compound CC1CC(C)S(=O)(=O)C1 WKFQMDFSDQFAIC-UHFFFAOYSA-N 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 15
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 15
- -1 cyclic alcohols Chemical class 0.000 description 14
- 239000010949 copper Substances 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- WXTMDXOMEHJXQO-UHFFFAOYSA-N 2,5-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC(O)=CC=C1O WXTMDXOMEHJXQO-UHFFFAOYSA-N 0.000 description 9
- 235000012431 wafers Nutrition 0.000 description 9
- 150000001412 amines Chemical class 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 150000002009 diols Chemical class 0.000 description 4
- 150000002334 glycols Chemical class 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000012046 mixed solvent Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229940090248 4-hydroxybenzoic acid Drugs 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
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- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 3
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 2
- UIAFKZKHHVMJGS-UHFFFAOYSA-N 2,4-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1O UIAFKZKHHVMJGS-UHFFFAOYSA-N 0.000 description 2
- YQUVCSBJEUQKSH-UHFFFAOYSA-N 3,4-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C(O)=C1 YQUVCSBJEUQKSH-UHFFFAOYSA-N 0.000 description 2
- UYEMGAFJOZZIFP-UHFFFAOYSA-N 3,5-dihydroxybenzoic acid Chemical group OC(=O)C1=CC(O)=CC(O)=C1 UYEMGAFJOZZIFP-UHFFFAOYSA-N 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
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- 229910052763 palladium Inorganic materials 0.000 description 1
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- 238000004544 sputter deposition Methods 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
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- 150000003512 tertiary amines Chemical class 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- QVOFCQBZXGLNAA-UHFFFAOYSA-M tributyl(methyl)azanium;hydroxide Chemical compound [OH-].CCCC[N+](C)(CCCC)CCCC QVOFCQBZXGLNAA-UHFFFAOYSA-M 0.000 description 1
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Classifications
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- 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
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- 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
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- Cleaning Or Drying Semiconductors (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Detergent Compositions (AREA)
Description
本特許出願は、2015年8月5日に出願された米国仮特許出願第62/201,352号の利益を主張し、この出願は参照されることにより全体的に組み込まれる。
以下の表中に示されるようなフォトレジスト洗浄組成物を、室温において、撹拌プレート上のガラスビーカー中で個々の成分の量を組み合わせることで調製した。
4BHA:4−ヒドロキシ安息香酸
DIW:脱イオン水
DMSO:ジメチルスルホキシド
PG:プロピレングリコール
PEI:ポリエチレンイミン
TBC:3級ブチルカテコール
TMAH:水酸化テトラメチルアンモニウム
////=完全に洗浄した
///=わずかな残留物があった
//=部分的な洗浄であった
/=洗浄がほとんどされなかった又は全くされなかった
Claims (18)
- 3〜150μmの膜厚を有するフォトレジストパターンを剥離するためのフォトレジスト洗浄組成物であって、(a)0.5〜5質量%の少なくとも1つの4級水酸化アンモニウム又は2つ以上の4級水酸化アンモニウムの混合物;(b)60〜97.5質量%の、ジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物を含む水溶性有機溶媒と、少なくとも1つの追加の有機溶媒又は2つ以上の追加の有機溶媒との混合物;(c)0.5〜15質量%のPEIを含む2つ以上の腐食防止剤の混合物;並びに(d)0.5〜25質量%の水を含み、脱イオン水中で5質量%に希釈した後のpHが9超である、フォトレジスト洗浄組成物。
- (a)0.5〜5質量%の少なくとも1つの4級水酸化アンモニウム又は2つ以上の4級水酸化アンモニウムの混合物;(b)82〜97.5質量%の、ジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物を含む水溶性有機溶媒と、少なくとも1つの追加の有機溶媒又は2つ以上の追加の有機溶媒との混合物;(c)1〜5質量%のPEIを含む2つ以上の腐食防止剤の混合物;並びに(d)1〜10質量%の水を含む、請求項1に記載のフォトレジスト洗浄組成物。
- (b)が、80〜96質量%の前記ジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物、及び1〜4質量%の前記少なくとも1つの追加の有機溶媒又は2つ以上の追加の有機溶媒を含み、前記(c)が1〜5質量%を含み、前記(d)が1〜10質量%を含む、請求項1に記載のフォトレジスト洗浄組成物。
- 前記(b)が、80〜96質量%のジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物、及び1〜4質量%の少なくとも1つの追加の有機溶媒又は2つ以上の追加の有機溶媒を含み、前記(c)が、1〜10質量%の、PEIを含む2つ以上の腐食防止剤の混合物であり、前記(d)が1〜10質量%である、請求項1に記載のフォトレジスト洗浄組成物。
- 前記(b)が、35〜50質量%のジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物、及び45〜58質量%の追加の有機溶媒又は2つ以上の追加の有機溶媒を含み、前記(c)が1〜10質量%であり、前記(d)が1〜10質量%である、請求項1に記載のフォトレジスト洗浄組成物。
- 前記(a)が1〜5質量%であり、前記(b)が78〜85質量%であり、前記(c)が10.5〜15質量%であり、前記(d)が1〜10質量%である、請求項1に記載のフォトレジスト洗浄組成物。
- 前記(a)が1〜5質量%であり、前記(b)が、59〜84質量%のジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物、及び1〜20質量%の少なくとも1つの追加の有機溶媒又は2つ以上の追加の有機溶媒であり、前記(c)が10.5〜15質量%であり、前記(d)が1〜10質量%である、請求項1に記載のフォトレジスト洗浄組成物。
- 3〜150μmの膜厚を有するフォトレジストパターンを剥離するためのフォトレジスト洗浄組成物であって、(a)1〜5質量%の少なくとも1つの4級水酸化アンモニウム又は2つ以上の4級水酸化アンモニウムの混合物;(b)78〜85質量%の、ジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物を含む水溶性有機溶媒と、少なくとも1つの追加の有機溶媒又は2つ以上の追加の有機溶媒との混合物;(c)10〜20質量%のジエチルヒドロキシルアミン(DEHA)、ヒドロキシルアミン若しくはジプロピルヒドロキシルアミン又はそれらの塩又はそれらの混合物、及び0.5〜5質量%の少なくとも1つの追加の腐食防止剤又は2つ以上の追加の腐食防止剤の混合物;並びに(d)1〜10質量%の水を含む、フォトレジスト洗浄組成物。
- 前記(c)が、10〜20質量%のジエチルヒドロキシルアミン(DEHA)、ヒドロキシルアミン若しくはジプロピルヒドロキシルアミン又はそれらの塩又はそれらの混合物、及び1〜4又は1〜3質量%の少なくとも1つの追加の腐食防止剤又は2つ以上の追加の腐食防止剤の混合物である、請求項8に記載のフォトレジスト洗浄組成物。
- 前記(b)が、64〜69質量%の、ジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物を含む有機溶媒と、アルカノールアミンを含む少なくとも1つの追加の有機溶媒又は2つ以上の追加の有機溶媒との混合物である、請求項8に記載のフォトレジスト洗浄組成物。
- 前記(b)が、75〜96質量%の、ジメチルスルホキシドを含む水溶性有機溶媒と、プロピレングリコール、テトラヒドロフルフリルアルコール、グリコールエーテル、ガンマ−ブチロラクトン、ガンマ−バレロラクトン、ジメチルアセトアミド、モノエタノールアミン及びアミノプロピルモルホリン並びにそれらの混合物からなる群より選択される少なくとも1つの追加の有機溶媒との混合物であり、前記(c)が、0.5〜5質量%であり、少なくとも1つの腐食防止剤が、カテコール、tert−ブチルカテコール、安息香酸アンモニウム、アントラニル酸、安息香酸、サリチル酸、クエン酸、没食子酸、モノ−若しくはジ−ヒドロキシ安息香酸、又はそれらの混合物からなる群より選択され、前記(d)が0.5〜10質量%である、請求項1に記載のフォトレジスト洗浄組成物。
- 前記(a)が、1〜3質量%の、水酸化テトラメチルアンモニウム又は水酸化テトラエチルアンモニウム及びそれらの混合物からなる群より選択される4級水酸化アンモニウムを含み、前記(b)が、90〜96質量%の、ジメチルスルホキシドと、プロピレングリコール、テトラヒドロフルフリルアルコール、グリコールエーテル、ガンマ−ブチロラクトン、ガンマ−バレロラクトン、ジメチルアセトアミド、モノエタノールアミン及びアミノプロピルモルホリン並びにそれらの混合物からなる群より選択される少なくとも1つの追加の有機溶媒とであり、前記(c)が、0.5〜4質量%であり、少なくとも1つの腐食防止剤が、カテコール、tert−ブチルカテコール、安息香酸アンモニウム、アントラニル酸、安息香酸、サリチル酸、クエン酸、没食子酸、モノ−若しくはジ−ヒドロキシ安息香酸、又はそれらの混合物からなる群より選択され、前記(d)が2〜5質量%である、請求項1に記載のフォトレジスト洗浄組成物。
- 前記(b)が、90〜95質量%のジメチルスルホキシド、及び1〜6質量%の、プロピレングリコール、テトラヒドロフルフリルアルコール、ジプロピレングリコールメチルエーテル、ガンマ−ブチロラクトン、ガンマ−バレロラクトン、ジメチルアセトアミド、モノエタノールアミン及びアミノプロピルモルホリン又はそれらの混合物からなる群より選択される少なくとも1つの追加の有機溶媒であり、前記(c)が0.5〜3質量%である、請求項12に記載のフォトレジスト洗浄組成物。
- 前記2つ以上の腐食防止剤の混合物が、カテコール、tert−ブチルカテコール、安息香酸アンモニウム、アントラニル酸、安息香酸、サリチル酸、クエン酸、没食子酸、モノ−若しくはジ−ヒドロキシ安息香酸、ジエチルヒドロキシルアミン(DEHA)、ヒドロキシルアミン若しくはジプロピルヒドロキシルアミン又はそれらの塩又はそれらの混合物、又は前記腐食防止剤の任意の混合物からなる群より選択される少なくとも1つを含む、請求項1に記載のフォトレジスト洗浄組成物。
- 基材を処理するための方法であって、その上に金属薄膜を有する基材上に3〜150μmの膜厚を有するフォトレジストパターンを形成すること、金属薄膜露出領域又はフォトレジストパターン非被覆領域上に導電層を提供すること、及び前記フォトレジストパターンをフォトレジスト洗浄組成物に接触させて、前記フォトレジストパターンを剥離及び溶解することを含み、前記フォトレジスト洗浄組成物が、(a)0.5〜5質量%の少なくとも1つの4級水酸化アンモニウム又は2つ以上の4級水酸化アンモニウムの混合物;(b)60〜97.5質量%の、ジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物を含む水溶性有機溶媒と、少なくとも1つの追加の有機溶媒又は2つ以上の追加の有機溶媒との混合物;(c)0.5〜15質量%のPEIを含む2つ以上の腐食防止剤の混合物;並びに(d)0.5〜25質量%の水を含み、前記フォトレジスト洗浄組成物が、脱イオン水中で5質量%に希釈した後のpHが9超である、方法。
- 前記(b)が82〜97.5質量%であり、前記(c)が1〜5質量%であり、前記(d)が1〜10質量%である、請求項15に記載の基材を処理するための方法。
- 前記(b)が、35〜50質量%のジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物、及び45〜58質量%の追加の有機溶媒又は2つ以上の追加の有機溶媒を含み、前記(c)が1〜10質量%であり、前記(d)が1〜10質量%である、請求項15に記載の基材を処理するための方法。
- 基材を処理するための方法であって、その上に金属薄膜を有する基材上に3〜150μmの膜厚を有するフォトレジストパターンを形成すること、金属薄膜露出領域又はフォトレジストパターン非被覆領域上に導電層を提供すること、及び前記フォトレジストパターンをフォトレジスト洗浄組成物に接触させることを含み、前記フォトレジスト洗浄組成物が、(a)1〜5質量%の少なくとも1つの4級水酸化アンモニウム又は2つ以上の4級水酸化アンモニウムの混合物;(b)78〜85質量%の、ジメチルスルホキシド(DMSO)、スルホラン若しくはジメチルスルホン、又はそれらの混合物を含む水溶性有機溶媒と、少なくとも1つの追加の有機溶媒又は2つ以上の追加の有機溶媒との混合物;(c)10〜20質量%のジエチルヒドロキシルアミン(DEHA)、ヒドロキシルアミン若しくはジプロピルヒドロキシルアミン又はそれらの塩又はそれらの混合物、及び0.5〜5質量%の少なくとも1つの追加の腐食防止剤又は2つ以上の腐食防止剤の混合物;並びに(d)1〜10質量%の水を含む、方法。
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TWI690780B (zh) * | 2014-12-30 | 2020-04-11 | 美商富士軟片電子材料美國股份有限公司 | 用於自半導體基板去除光阻之剝離組成物 |
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EP3320075A4 (en) | 2019-02-27 |
TW201712111A (zh) | 2017-04-01 |
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WO2017024140A1 (en) | 2017-02-09 |
EP3320075A1 (en) | 2018-05-16 |
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