JP5152447B2 - ポジ型フォトレジスト組成物、その塗膜及びノボラック型フェノール樹脂 - Google Patents
ポジ型フォトレジスト組成物、その塗膜及びノボラック型フェノール樹脂 Download PDFInfo
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- JP5152447B2 JP5152447B2 JP2012543361A JP2012543361A JP5152447B2 JP 5152447 B2 JP5152447 B2 JP 5152447B2 JP 2012543361 A JP2012543361 A JP 2012543361A JP 2012543361 A JP2012543361 A JP 2012543361A JP 5152447 B2 JP5152447 B2 JP 5152447B2
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- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
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- 239000001116 FEMA 4028 Substances 0.000 description 1
- WRQNANDWMGAFTP-UHFFFAOYSA-N Methylacetoacetic acid Chemical compound COC(=O)CC(C)=O WRQNANDWMGAFTP-UHFFFAOYSA-N 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000003172 aldehyde group Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- HFHDHCJBZVLPGP-RWMJIURBSA-N alpha-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO HFHDHCJBZVLPGP-RWMJIURBSA-N 0.000 description 1
- 229940043377 alpha-cyclodextrin Drugs 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- IZALUMVGBVKPJD-UHFFFAOYSA-N benzene-1,3-dicarbaldehyde Chemical compound O=CC1=CC=CC(C=O)=C1 IZALUMVGBVKPJD-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 1
- 235000011175 beta-cyclodextrine Nutrition 0.000 description 1
- 229960004853 betadex Drugs 0.000 description 1
- 229950011260 betanaphthol Drugs 0.000 description 1
- GQPLZGRPYWLBPW-UHFFFAOYSA-N calix[4]arene Chemical compound C1C(C=2)=CC=CC=2CC(C=2)=CC=CC=2CC(C=2)=CC=CC=2CC2=CC=CC1=C2 GQPLZGRPYWLBPW-UHFFFAOYSA-N 0.000 description 1
- MMYYTPYDNCIFJU-UHFFFAOYSA-N calix[6]arene Chemical compound C1C(C=2)=CC=CC=2CC(C=2)=CC=CC=2CC(C=2)=CC=CC=2CC(C=2)=CC=CC=2CC(C=2)=CC=CC=2CC2=CC=CC1=C2 MMYYTPYDNCIFJU-UHFFFAOYSA-N 0.000 description 1
- HDPRHRZFFPXZIL-UHFFFAOYSA-N calix[8]arene Chemical compound OC1=C(CC=2C(=C(CC=3C(=C(CC=4C(=C(CC=5C(=C(CC=6C(=C(CC=7C(=C(C8)C=CC=7)O)C=CC=6)O)C=CC=5)O)C=CC=4)O)C=CC=3)O)C=CC=2)O)C=CC=C1CC1=C(O)C8=CC=C1 HDPRHRZFFPXZIL-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- NHADDZMCASKINP-HTRCEHHLSA-N decarboxydihydrocitrinin Natural products C1=C(O)C(C)=C2[C@H](C)[C@@H](C)OCC2=C1O NHADDZMCASKINP-HTRCEHHLSA-N 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 229940019778 diethylene glycol diethyl ether Drugs 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- CKSRFHWWBKRUKA-UHFFFAOYSA-N ethyl 2-ethoxyacetate Chemical compound CCOCC(=O)OCC CKSRFHWWBKRUKA-UHFFFAOYSA-N 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229940073505 ethyl vanillin Drugs 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- GDSRMADSINPKSL-HSEONFRVSA-N gamma-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO GDSRMADSINPKSL-HSEONFRVSA-N 0.000 description 1
- 229940080345 gamma-cyclodextrin Drugs 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 1
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- YSGBMDFJWFIEDF-UHFFFAOYSA-N methyl 2-hydroxy-3-methylbutanoate Chemical compound COC(=O)C(O)C(C)C YSGBMDFJWFIEDF-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- GNVRJGIVDSQCOP-UHFFFAOYSA-N n-ethyl-n-methylethanamine Chemical compound CCN(C)CC GNVRJGIVDSQCOP-UHFFFAOYSA-N 0.000 description 1
- NXPPAOGUKPJVDI-UHFFFAOYSA-N naphthalene-1,2-diol Chemical compound C1=CC=CC2=C(O)C(O)=CC=C21 NXPPAOGUKPJVDI-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- FXLOVSHXALFLKQ-UHFFFAOYSA-N p-tolualdehyde Chemical compound CC1=CC=C(C=O)C=C1 FXLOVSHXALFLKQ-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- UWJJYHHHVWZFEP-UHFFFAOYSA-N pentane-1,1-diol Chemical compound CCCCC(O)O UWJJYHHHVWZFEP-UHFFFAOYSA-N 0.000 description 1
- LSSGAGGYJWTEPQ-UHFFFAOYSA-N phenyl-(2,3,6-trihydroxyphenyl)methanone Chemical compound OC1=CC=C(O)C(C(=O)C=2C=CC=CC=2)=C1O LSSGAGGYJWTEPQ-UHFFFAOYSA-N 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- FKRCODPIKNYEAC-UHFFFAOYSA-N propionic acid ethyl ester Natural products CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
-
- 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
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/12—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with monohydric phenols having only one hydrocarbon substituent ortho on para to the OH group, e.g. p-tert.-butyl phenol
-
- 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
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/20—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with polyhydric phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- G—PHYSICS
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- 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
- G03F7/022—Quinonediazides
- G03F7/023—Macromolecular quinonediazides; Macromolecular additives, e.g. binders
- G03F7/0233—Macromolecular quinonediazides; Macromolecular additives, e.g. binders characterised by the polymeric binders or the macromolecular additives other than the macromolecular quinonediazides
- G03F7/0236—Condensation products of carbonyl compounds and phenolic compounds, e.g. novolak resins
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- G—PHYSICS
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- 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
- G03F7/022—Quinonediazides
- G03F7/023—Macromolecular quinonediazides; Macromolecular additives, e.g. binders
- G03F7/0233—Macromolecular quinonediazides; Macromolecular additives, e.g. binders characterised by the polymeric binders or the macromolecular additives other than the macromolecular quinonediazides
Landscapes
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Materials For Photolithography (AREA)
Description
で表される構造単位を繰り返し単位として有し、前記構造(x1)と構造(x2)の総数に対する前記構造(x1)の含有率が85%以上であることを特徴とするポジ型フォトレジスト組成物を提供するものである。
で表される構造単位を繰り返し単位として有し、前記構造(x1)と構造(x2)の総数に対する前記構造(x1)の含有率が85%以上であり、且つ、式(1)が下記式(1−1)で表される構造単位
であることを特徴とするノボラック型フェノール樹脂を提供するものである。
で表される構造単位を繰り返し単位として有し、前記構造(x1)と構造(x2)の総数に対する前記構造(x1)の含有率が85%以上であり、且つ、式(1)が下記式(1−2)で表される構造単位
で表される構造単位を繰り返し単位として有し、前記構造(x1)と構造(x2)の総数に対する前記構造(x1)の含有率が85%以上である。
装置:日本電子(株)製 AL−400
測定モード:SGNNE(NOE消去の1H完全デカップリング法)
パルス角度:45℃パルス
試料濃度:30wt%
積算回数:10000回
測定装置:東ソー株式会社製「HLC−8220 GPC」
カラム:昭和電工株式会社製「Shodex KF802」(8.0mmФ×300mm)
+昭和電工株式会社製「Shodex KF802」(8.0mmФ×300mm)
+昭和電工株式会社製「Shodex KF803」(8.0mmФ×300mm)
+昭和電工株式会社製「Shodex KF804」(8.0mmФ×300mm)
カラム温度:40℃
検出器: RI(示差屈折計)
データ処理:東ソー株式会社製「GPC−8020モデルIIバージョン4.30」
展開溶媒:テトラヒドロフラン
流速:1.0ml/分
試料:樹脂固形分換算で0.5質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの
注入量:0.1ml
標準試料:下記単分散ポリスチレン
東ソー株式会社製「A−500」
東ソー株式会社製「A−2500」
東ソー株式会社製「A−5000」
東ソー株式会社製「F−1」
東ソー株式会社製「F−2」
東ソー株式会社製「F−4」
東ソー株式会社製「F−10」
東ソー株式会社製「F−20」
測定装置:東ソー株式会社製「HLC−8220 GPC」
カラム:昭和電工株式会社製「Shodex KF802」(8.0mmФ×300mm)
+昭和電工株式会社製「Shodex KF802」(8.0mmФ×300mm)
+昭和電工株式会社製「Shodex KF803」(8.0mmФ×300mm)
+昭和電工株式会社製「Shodex KF804」(8.0mmФ×300mm)
カラム温度:40℃
検出器: RI(示差屈折計)
データ処理:東ソー株式会社製「GPC−8020モデルIIバージョン4.30」
展開溶媒:テトラヒドロフラン
流速:1.0ml/分
試料:樹脂固形分換算で0.5質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの
注入量:0.1ml
標準試料:下記単分散ポリスチレン
東ソー株式会社製「A−500」
東ソー株式会社製「A−2500」
東ソー株式会社製「A−5000」
東ソー株式会社製「F−1」
東ソー株式会社製「F−2」
東ソー株式会社製「F−4」
東ソー株式会社製「F−10」
東ソー株式会社製「F−20」
測定モード:SGNNE(NOE消去の1H完全デカップリング法)
パルス角度:45℃パルス
試料濃度:30wt%
積算回数:10000回
攪拌機、温度計を備えた2リットルの4つ口フラスコに、m−クレゾール648g、p−クレゾール432g、シュウ酸2.5g及び42質量%ホルムアルデヒド水溶液534gを仕込み、100℃まで昇温して3時間反応させた。次いで、210℃まで昇温し減圧して脱水、蒸留させ、クレゾールノボラック樹脂(A1)948gを得た。このクレゾールノボラック樹脂(A1)のGPC測定の結果は、数平均分子量(Mn)が2,715、重量平均分子量(Mw)が19,738、多分散度(Mw/Mn)=7.270であった。
冷却管、温度計を備えた100mlの2口フラスコに、2,5−キシレノール3.66g及び4−ヒドロキシベンズアルデヒド1.22gを仕込み、2−エトキシエタノール10mlに溶解させた。氷浴中で冷却しながら硫酸1mlを加えた後、100℃で2時間加熱、攪拌し反応させた。反応後、得られた溶液を水で再沈殿操作を行い回収物〔重縮合物(C)の粗生成物〕を得た。重縮合物(C)の粗生成物をアセトンに再溶解し、さらに水で再沈殿操作を行った後、得られた生成物を濾別、真空乾燥を行うことによって、下記式(2−1)で表される淡褐色結晶の重縮合物(C1)2.82gを得た。ここで、粗生成物における重縮合物(C)の純度はGPCの面積比で87質量%であり、重縮合物(C1)の純度は94質量%であった。尚、重縮合物(C1)の1H−NMRスペクトルのチャート図を図1に、13C−NMRスペクトルのチャート図を図2に、GPCのチャート図を図3に示す。また、1H−NMRスペクトル及び13C−NMRスペクトル及びの帰属は以下のとおりである。
δ/ppm 9.2(−OH)、8.9(−OH)、6.3〜6.8(Ar−H)、5.3(>CH−)、2.0(−CH3)
C1の13C−NMR帰属
δ/ppm 115〜155(ArC)、48(>CH−)、19(CH3)、16(CH3)
合成例2で用いた2,5−キシレノールに代えて2,6−キシレノールを用いた以外は合成例2と同様に操作を行うことによって、下記式(3)で表される橙色結晶の重縮合物(C2)2.85gを得た。ここで、粗生成物における重縮合物(C)の純度はGPCの面積比で82質量%であり、重縮合物(C2)の純度は94質量%であった。尚、重縮合物(C2)の1H−NMRスペクトルのチャート図を図4に、13C−NMRスペクトルのチャート図を図5に、GPCのチャート図を図6に示す。また、1H−NMRスペクトル及び13C−NMRスペクトル及びの帰属は以下のとおりである。
δ/ppm 9.2(−OH)、8.0(−OH)、6.6〜6.8(Ar−H)、5.1(>CH−)、2.1(−CH3)
δ/ppm 115〜155(ArC)、54(>CH−)、17(CH3)
冷却管、温度計を備えた100mlの2口フラスコに、合成例2で得られた重縮合物(C1)1.74g及び92質量%パラホルムアルデヒド0.16gを仕込み、2−エトキシエタノール5ml及び酢酸5mlに溶解させた。氷浴中で冷却しながら硫酸0.5mlを加えた後、70℃で4時間加熱、攪拌し反応させた。反応後、得られた溶液を水で再沈殿操作を行い粗生成物を得た。粗生成物をアセトンに再溶解し、さらに水で再沈殿操作を行った後、得られた生成物を濾別、真空乾燥を行い淡褐色粉末のフェノール型ノボラック樹脂(B1)を得た。このフェノール型ノボラック樹脂(B1)のGPC測定の結果は、数平均分子量(Mn)は6,601、重量平均分子量(Mw)は14,940、多分散度(Mw/Mn)=2.263であった。
δ/ppm 115〜155(ArC)、49(>CH−)、25(−CH2−) 、17(CH3)、15(CH3)
合成例2で用いた重縮合物(C1)に代えて合成例3で得られた重縮合物(C2)を用いた以外は合成例3と同様に操作を行い、淡褐色粉末のフェノール型ノボラック樹脂(B2)1.68gを得た。このフェノール型ノボラック樹脂(B2)のGPC測定の結果は、数平均分子量(Mn)が1,917、重量平均分子量(Mw)が2,763、多分散度(Mw/Mn)=1.441であった。
δ/ppm 124〜151(ArC)、54(>CH−)、35(−CH2−) 、17(CH3)
攪拌機、温度計を備えた2リットルの4つ口フラスコに、o−クレゾール324g、p−クレゾール324g、シュウ酸1.5g及び42質量%ホルムアルデヒド水溶液390gを仕込み、100℃まで昇温して7時間反応させた。次いで、常圧で200℃まで昇温して脱水、蒸留した後、200℃で2時間減圧蒸留を行い、比較対照用ノボラック樹脂(H1)432gを得た。比較対照用ノボラック樹脂(H1)のGPC測定の結果は、数平均分子量(Mn)が958、重量平均分子量(Mw)が1,245、多分散度(Mw/Mn)=1.300であった。
クレゾールノボラック樹脂(A1)11質量部及びフェノール型ノボラック樹脂(B1)5質量部をプロピレングリコールモノメチルエーテルアセテート(以下、「PGMEA」と略記する。)80質量部に加えて、混合、溶解して溶液を得た後に、この溶液に感光剤(東洋合成工業株式会社製「P−200」;4,4’−[1−[4−[1−(4−ヒドロキシフェニル)−1メチルエチル]フェニル]エチリデン]ビスフェノール1モルと1,2−ナフトキノン−2−ジアジド−5−スルホニルクロリド2モルとの縮合物)4質量部を加えて、混合、溶解して、ポジ型フォトレジスト組成物(1)を得た。また、同様の操作で、感光剤を配合しないものも調製し、ポジ型フォトレジスト組成物(1’)として得た。得られたポジ型フォトレジスト組成物(1)及び(1’)を用いて下記方法に従ってアルカリ溶解速度の測定及び感度の評価、ガラス転移点温度測定及び耐熱性の評価を行った。
感光剤を配合したポジ型フォトレジスト組成物(1)及び感光剤を配合していないポジ型フォトレジスト組成物(1’)について、それぞれのポジ型フォトレジスト組成物を直径5インチのシリコンウェハー上にスピンコーターを用いて塗布後、110℃で60秒乾燥し、1μmの厚さの薄膜を得た。アルカリ溶液(2.38質量%テトラメチルアンモニウムヒドロキシド水溶液)に60秒浸漬させ、浸漬後の膜厚を、膜厚計(フィルメトリクス社製「F−20」)を用いて測定してアルカリ溶解速度(ADR)を測定して、得られた値から下記の基準にしたがって感度及び耐アルカリ溶液性を評価した。なお、感光剤を配合していないポジ型フォトレジスト組成物での評価がポジ型フォトレジスト塗膜の露光部分の評価となり、感光剤を配合したポジ型フォトレジスト組成物での評価がポジ型フォトレジスト塗膜の未露光部分の評価となる。
○:アルカリ溶解速度が20nm/秒以上である。
△:アルカリ溶解速度が10nm/秒以上20nm/秒未満である。
×:アルカリ溶解速度が10nm/秒未満である。
○:アルカリ溶解速度が0.5nm/秒未満である。
△:アルカリ溶解速度が0.5nm/秒以上1.0nm/秒未満である。
×:アルカリ溶解速度が1.0nm/秒以上である。
ポジ型フォトレジスト組成物(1)を直径5インチのシリコンウェハー上にスピンコーターを用いて塗布後、110℃で60秒乾燥し、1μmの厚さの薄膜を得た。この薄膜をかき取り、ガラス転移点温度(以下、「Tg」と略記する。)を測定した。なお、Tgの測定は、示差熱走査熱量計(株式会社ティー・エイ・インスツルメント製「示差熱走査熱量計(DSC)Q100」)を用いて、窒素雰囲気下、温度範囲−100〜200℃、昇温速度10℃/分の条件で行った。得られたTgの値から、下記の基準にしたがって耐熱性を評価した。
○:Tgが130℃以上である。
×:Tgが130℃未満である。
フェノール型ノボラック樹脂(B1)に代えて、フェノール型ノボラック樹脂(B2)を用いた以外は実施例1と同様に操作し、感光剤を配合したポジ型フォトレジスト組成物(2)及び感光剤を配合していないポジ型フォトレジスト組成物(2’)を調製した。実施例1と同様にアルカリ溶解速度の測定及び感度の評価、ガラス転移点温度測定及び耐熱性の評価を行った。
フェノール型ノボラック樹脂(B1)に代えて、重縮合物(C1)を用いた以外は実施例1と同様に操作し、感光剤を配合したポジ型フォトレジスト組成物(3)及び感光剤を配合していないポジ型フォトレジスト組成物(3’)を調製した。実施例1と同様にアルカリ溶解速度の測定及び感度の評価、ガラス転移点温度測定及び耐熱性の評価を行った。
フェノール型ノボラック樹脂(B1)に代えて、重縮合物(C2)を用いた以外は実施例1と同様に操作し、感光剤を配合したポジ型フォトレジスト組成物(4)及び感光剤を配合していないポジ型フォトレジスト組成物(4’)を調製した。実施例1と同様にアルカリ溶解速度の測定及び感度の評価、ガラス転移点温度測定及び耐熱性の評価を行った。
フェノール型ノボラック樹脂(B1)に代えて、フェノール型ノボラック樹脂(H1)を用いた以外は実施例1と同様に操作し、感光剤を配合したポジ型フォトレジスト組成物(5)及び感光剤を配合していないポジ型フォトレジスト組成物(5’)を調製した。実施例1と同様にアルカリ溶解速度の測定及び感度の評価、ガラス転移点温度測定及び耐熱性の評価を行った。
フェノール型ノボラック樹脂(B1)に代えて、2,3,4,4’−テトラヒドロキシベンゾフェノン(和光純薬工業株式会社製;以下、「THBP」と略記する。)を用いた以外は実施例1と同様に操作し、感光剤を配合したポジ型フォトレジスト組成物(6)及び感光剤を配合していないポジ型フォトレジスト組成物(6’)を調製した。実施例1と同様にアルカリ溶解速度の測定及び感度の評価、ガラス転移点温度測定及び耐熱性の評価を行った。
クレゾールノボラック樹脂(A1)16質量部をPGMEA80質量部に加えて、混合、溶解して溶液を得た後に、この溶液に感光剤(東洋合成工業株式会社製「P−200」;4,4’−[1−[4−[1−(4−ヒドロキシフェニル)−1メチルエチル]フェニル]エチリデン]ビスフェノール1モルと1,2−ナフトキノン−2−ジアジド−5−スルホニルクロリド2モルとの縮合物)4質量部を加えて、混合、溶解して、ポジ型フォトレジスト組成物(7)を得た。また、同様の操作で、感光剤を配合しないものも調製し、ポジ型フォトレジスト組成物(7’)として得た。これらを用いて、実施例1と同様にアルカリ溶解速度の測定及び感度の評価、ガラス転移点温度測定及び耐熱性の評価を行った。
Claims (14)
- クレゾールノボラック樹脂(A)100質量部に対してノボラック型フェノール樹脂(B)を3〜80質量部含有するポジ型フォトレジスト組成物であって、前記ノボラック型フェノール樹脂(B)が、下記式(1)
で表される構造単位を繰り返し単位として有し、前記構造(x1)と構造(x2)の総数に対する前記構造(x1)の含有率が85%以上であることを特徴とするポジ型フォトレジスト組成物。 - 前記ノボラック型フェノール樹脂(B)の重量平均分子量が5,000〜35,000である請求項2記載のポジ型フォトレジスト組成物。
- 前記ノボラック型フェノール樹脂(B)の重量平均分子量が1000〜5000である請求項4記載のポジ型フォトレジスト組成物。
- 前記アルデヒド系化合物(D)がホルムアルデヒドである請求項4または5記載のポジ型フォトレジスト組成物。
- ノボラック型フェノール樹脂(B)が(x1)を、(x1)と(x2)との合計100に対して90%以上含有する請求項1〜6のいずれか1項記載のポジ型フォトレジスト組成物。
- クレゾールノボラック樹脂(A)100質量部に対してノボラック型フェノール樹脂(B)を20〜60質量部含有する請求項1記載のポジ型フォトレジスト組成物。
- 前記クレゾールノボラック樹脂(A)が、m−クレゾールまたはp−クレゾール、ならびに、ホルムアルデヒドを必須の原料として製造されたものである請求項1記載のポジ型フォトレジスト組成物。
- 請求項1〜9のいずれか1項記載のポジ型フォトレジスト組成物を塗布し乾燥させて得られることを特徴とする塗膜。
- 下記式(1)
で表される構造単位を繰り返し単位として有し、前記構造(x1)と構造(x2)の総数に対する前記構造(x1)の含有率が85%以上であり、且つ、式(1)が下記式(1−1)で表される構造単位
であることを特徴とするノボラック型フェノール樹脂。 - 下記式(1)
で表される構造単位を繰り返し単位として有し、前記構造(x1)と構造(x2)の総数に対する前記構造(x1)の含有率が85%以上であり、且つ、式(1)が下記式(1−2)で表される構造単位
であることを特徴とするノボラック型フェノール樹脂。
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US20140023969A1 (en) | 2014-01-23 |
KR101947536B1 (ko) | 2019-02-13 |
US8846297B2 (en) | 2014-09-30 |
TW201245886A (en) | 2012-11-16 |
TWI534547B (zh) | 2016-05-21 |
CN103384850B (zh) | 2015-02-04 |
EP2653922A4 (en) | 2014-09-24 |
EP2653922A1 (en) | 2013-10-23 |
JPWO2012141165A1 (ja) | 2014-07-28 |
WO2012141165A1 (ja) | 2012-10-18 |
CN103384850A (zh) | 2013-11-06 |
KR20140007808A (ko) | 2014-01-20 |
EP2653922B1 (en) | 2017-05-24 |
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