WO2020021721A1 - 樹脂マスク剥離用洗浄剤組成物 - Google Patents
樹脂マスク剥離用洗浄剤組成物 Download PDFInfo
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- WO2020021721A1 WO2020021721A1 PCT/JP2018/028330 JP2018028330W WO2020021721A1 WO 2020021721 A1 WO2020021721 A1 WO 2020021721A1 JP 2018028330 W JP2018028330 W JP 2018028330W WO 2020021721 A1 WO2020021721 A1 WO 2020021721A1
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- WIPO (PCT)
- Prior art keywords
- component
- mass
- cleaning composition
- resin mask
- present disclosure
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 148
- 239000011347 resin Substances 0.000 title claims abstract description 128
- 229920005989 resin Polymers 0.000 title claims abstract description 128
- 239000003599 detergent Substances 0.000 title abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000003960 organic solvent Substances 0.000 claims abstract description 26
- 239000003513 alkali Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims description 155
- 238000000034 method Methods 0.000 claims description 54
- 239000007788 liquid Substances 0.000 claims description 36
- 238000004519 manufacturing process Methods 0.000 claims description 30
- -1 nitrogen-containing compound Chemical class 0.000 claims description 29
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical group CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 claims description 20
- GNKZMNRKLCTJAY-UHFFFAOYSA-N 4'-Methylacetophenone Chemical group CC(=O)C1=CC=C(C)C=C1 GNKZMNRKLCTJAY-UHFFFAOYSA-N 0.000 claims description 16
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 claims description 16
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical group O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 16
- ZRSNZINYAWTAHE-UHFFFAOYSA-N p-methoxybenzaldehyde Chemical group COC1=CC=C(C=O)C=C1 ZRSNZINYAWTAHE-UHFFFAOYSA-N 0.000 claims description 16
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 14
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical group COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000011161 development Methods 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 11
- ZPVFWPFBNIEHGJ-UHFFFAOYSA-N 2-octanone Chemical compound CCCCCCC(C)=O ZPVFWPFBNIEHGJ-UHFFFAOYSA-N 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 10
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical group C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims description 10
- 239000011574 phosphorus Substances 0.000 claims description 10
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 claims description 8
- DLRJIFUOBPOJNS-UHFFFAOYSA-N phenetole Chemical group CCOC1=CC=CC=C1 DLRJIFUOBPOJNS-UHFFFAOYSA-N 0.000 claims description 8
- GFISDBXSWQMOND-UHFFFAOYSA-N 2,5-dimethoxyoxolane Chemical group COC1CCC(OC)O1 GFISDBXSWQMOND-UHFFFAOYSA-N 0.000 claims description 7
- 239000012459 cleaning agent Substances 0.000 claims description 7
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Chemical group CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 claims description 7
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical group COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 claims description 7
- KRIOVPPHQSLHCZ-UHFFFAOYSA-N propiophenone Chemical group CCC(=O)C1=CC=CC=C1 KRIOVPPHQSLHCZ-UHFFFAOYSA-N 0.000 claims description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 7
- PKZJLOCLABXVMC-UHFFFAOYSA-N 2-Methoxybenzaldehyde Chemical group COC1=CC=CC=C1C=O PKZJLOCLABXVMC-UHFFFAOYSA-N 0.000 claims description 6
- RRQYJINTUHWNHW-UHFFFAOYSA-N 1-ethoxy-2-(2-ethoxyethoxy)ethane Chemical group CCOCCOCCOCC RRQYJINTUHWNHW-UHFFFAOYSA-N 0.000 claims description 5
- 229940019778 diethylene glycol diethyl ether Drugs 0.000 claims description 5
- VATRWWPJWVCZTA-UHFFFAOYSA-N 3-oxo-n-[2-(trifluoromethyl)phenyl]butanamide Chemical group CC(=O)CC(=O)NC1=CC=CC=C1C(F)(F)F VATRWWPJWVCZTA-UHFFFAOYSA-N 0.000 claims description 4
- 239000000126 substance Substances 0.000 description 30
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- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 26
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 21
- 239000000243 solution Substances 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 235000010724 Wisteria floribunda Nutrition 0.000 description 9
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- 229920002120 photoresistant polymer Polymers 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 8
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- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 6
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 6
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 6
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- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
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- 238000006243 chemical reaction Methods 0.000 description 4
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- 239000010949 copper Substances 0.000 description 4
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 4
- 238000012851 eutrophication Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- MIJDSYMOBYNHOT-UHFFFAOYSA-N 2-(ethylamino)ethanol Chemical compound CCNCCO MIJDSYMOBYNHOT-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OPKOKAMJFNKNAS-UHFFFAOYSA-N N-methylethanolamine Chemical compound CNCCO OPKOKAMJFNKNAS-UHFFFAOYSA-N 0.000 description 3
- RKTGAWJWCNLSFX-UHFFFAOYSA-M bis(2-hydroxyethyl)-dimethylazanium;hydroxide Chemical compound [OH-].OCC[N+](C)(C)CCO RKTGAWJWCNLSFX-UHFFFAOYSA-M 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
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- 238000010894 electron beam technology Methods 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 description 3
- KIZQNNOULOCVDM-UHFFFAOYSA-M 2-hydroxyethyl(trimethyl)azanium;hydroxide Chemical compound [OH-].C[N+](C)(C)CCO KIZQNNOULOCVDM-UHFFFAOYSA-M 0.000 description 2
- WFCSWCVEJLETKA-UHFFFAOYSA-N 2-piperazin-1-ylethanol Chemical compound OCCN1CCNCC1 WFCSWCVEJLETKA-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004111 Potassium silicate Substances 0.000 description 2
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical group C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 2
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- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- LHIJANUOQQMGNT-UHFFFAOYSA-N aminoethylethanolamine Chemical compound NCCNCCO LHIJANUOQQMGNT-UHFFFAOYSA-N 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N anhydrous diethylene glycol Natural products OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 description 2
- 229960001231 choline Drugs 0.000 description 2
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 description 2
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- 235000019353 potassium silicate Nutrition 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
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- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
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- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
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- ZFDNAYFXBJPPEB-UHFFFAOYSA-M 2-hydroxyethyl(tripropyl)azanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCO ZFDNAYFXBJPPEB-UHFFFAOYSA-M 0.000 description 1
- SHAMRMCOVNDTCS-UHFFFAOYSA-M 2-hydroxypropyl(trimethyl)azanium;hydroxide Chemical compound [OH-].CC(O)C[N+](C)(C)C SHAMRMCOVNDTCS-UHFFFAOYSA-M 0.000 description 1
- YSDSJBOULHYPCB-UHFFFAOYSA-M 2-hydroxypropyl(tripropyl)azanium hydroxide Chemical compound [OH-].OC(C[N+](CCC)(CCC)CCC)C YSDSJBOULHYPCB-UHFFFAOYSA-M 0.000 description 1
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- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 1
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- 150000001342 alkaline earth metals Chemical class 0.000 description 1
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- MYRLVAHFNOAIAI-UHFFFAOYSA-M diethyl-bis(2-hydroxyethyl)azanium;hydroxide Chemical compound [OH-].OCC[N+](CC)(CC)CCO MYRLVAHFNOAIAI-UHFFFAOYSA-M 0.000 description 1
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- 150000008282 halocarbons Chemical class 0.000 description 1
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- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- MSSZNJYLEVGNAK-UHFFFAOYSA-M tetrakis(2-hydroxypropyl)azanium;hydroxide Chemical compound [OH-].CC(O)C[N+](CC(C)O)(CC(C)O)CC(C)O MSSZNJYLEVGNAK-UHFFFAOYSA-M 0.000 description 1
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- RBUVMOSJYGXQEK-UHFFFAOYSA-M triethyl(2-hydroxypropyl)azanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC(C)O RBUVMOSJYGXQEK-UHFFFAOYSA-M 0.000 description 1
- IJGSGCGKAAXRSC-UHFFFAOYSA-M tris(2-hydroxyethyl)-methylazanium;hydroxide Chemical compound [OH-].OCC[N+](C)(CCO)CCO IJGSGCGKAAXRSC-UHFFFAOYSA-M 0.000 description 1
- FQSMVJXSANYLPV-UHFFFAOYSA-M tris(2-hydroxyethyl)-propylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCO)(CCO)CCO FQSMVJXSANYLPV-UHFFFAOYSA-M 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/42—Stripping or agents therefor
- G03F7/422—Stripping or agents therefor using liquids only
- G03F7/425—Stripping or agents therefor using liquids only containing mineral alkaline compounds; containing organic basic compounds, e.g. quaternary ammonium compounds; containing heterocyclic basic compounds containing nitrogen
-
- 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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/42—Stripping or agents therefor
-
- 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
-
- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
Definitions
- the present disclosure relates to a cleaning composition for removing a resin mask, a cleaning method using the cleaning composition, and a method for manufacturing an electronic component.
- Patent Literature 1 for example, includes a quaternary ammonium hydroxide, a specific alkyl diol aryl ether or a derivative thereof, and (C) acetophenone or a derivative thereof as such a stripping detergent.
- a low etch photoresist cleaning agent is described.
- Patent Document 2 discloses that (A) 35 to 80% by mass of an aliphatic alcohol solvent, (B) 10 to 40% by mass of an organic solvent selected from a halogenated hydrocarbon solvent and a non-hydroxylated ether solvent, A photoresist stripper consisting essentially of 0.1 to 25% by weight of a quaternary ammonium salt is described.
- Patent Document 3 contains dimethyl sulfoxide, a quaternary ammonium hydroxide, a specific alkanolamine, and a second solvent containing an alcohol, a polyhydroxy compound, or a combination thereof, and has a water content of 3% by mass or less. The solution is described.
- Patent Document 4 describes a quasi-aqueous composition containing at least one kind of alkali and / or alkaline earth metal base, at least one kind of organic solvent, and water, which is used for reworking a microelectronic device.
- the cleaning agent composition is used to reduce the remaining of the resin mask as well as the auxiliary and the like contained in the solder and plating solution used for forming fine wiring and bumps. Goods are required to have high detergency.
- the resin mask is formed using a resist whose physical properties such as solubility in a developing solution are changed by light, an electron beam, or the like. Resists are broadly classified into negative and positive types according to the reaction method with light and electron beams. A negative resist has a property that its solubility in a developing solution is reduced when exposed, and a layer containing a negative resist (hereinafter, also referred to as a “negative resist layer”) has an exposed portion after exposure and development processing.
- Positive resist has a property that solubility in a developing solution increases when exposed, and a layer containing a positive resist (hereinafter, also referred to as a “positive resist layer”) has an exposed portion after exposure and development processing.
- the unexposed portions are removed and used as a resin mask.
- the characteristics of the resin mask change due to plating treatment, heat treatment, and the like used in forming these connection portions, and the resin mask tends to be difficult to be removed in the next cleaning step.
- a negative resist has the property of being cured by reaction with light or an electron beam
- a resin mask formed using the negative resist is subjected to a plating process, a heating process, or the like used when forming a connection portion.
- the hardening proceeds more than necessary, and the substrate cannot be completely removed in the cleaning process, or the time required for the removal becomes extremely long, thereby damaging the substrate and the metal surface. Since the resin mask which has been subjected to the plating treatment and / or the heat treatment is difficult to remove, the cleaning composition is required to have high resin mask removal properties.
- the miniaturization of wiring is progressing.
- the electric resistance increases, heat is generated, and the function of the electronic device may be reduced.
- measures are taken to increase the height of the wiring. For this reason, the resin mask used for forming the wiring becomes thicker, the contact area with the wiring increases, and the wiring interval accompanying the miniaturization becomes narrower, so that it becomes difficult to remove the resin mask.
- high-energy, low-wavelength light is used to draw fine wiring.
- the resin mask since the resin mask is thick, the distance from the resin mask surface to the substrate is long, and the reaction rate of photopolymerization due to exposure is low. A difference occurs between the surface and the substrate contact surface, the reaction on the surface proceeds excessively, and if the permeability is not enhanced, the cleaning composition does not penetrate from the surface of the resin mask and the resin mask is difficult to remove.
- the present disclosure provides a cleaning composition for removing a resin mask, which is excellent in resin mask removal properties, a cleaning method using the cleaning composition, and a method for manufacturing a substrate.
- the present invention relates to a cleaning composition for removing a mask.
- the present disclosure in one aspect, relates to a cleaning method including a step of removing a resin mask from an object to be cleaned having a resin mask attached thereto with the cleaning composition of the present disclosure.
- the present disclosure in one aspect, relates to a method for manufacturing an electronic component, including a step of removing a resin mask from an object to be cleaned to which the resin mask has been attached with the cleaning composition of the present disclosure.
- the present disclosure in one aspect, relates to the use of the cleaning composition of the present disclosure as a cleaning agent in the manufacture of electronic components.
- the present disclosure in one aspect, is a kit for use in any of the cleaning method of the present disclosure and the method of manufacturing an electronic component of the present disclosure, wherein the kit contains a solution (first solution) containing component A and a component B And a solution (a second liquid) containing at least one of the first liquid and the second liquid further contains part or all of the component C, and the first liquid and the second liquid.
- the liquid relates to a kit to be mixed at the time of use.
- the present invention relates to a cleaning composition for use (hereinafter, also referred to as “cleaning composition of the present disclosure”).
- the cleaning composition of the present disclosure can efficiently remove a resin mask, particularly, a resin mask that has been subjected to plating treatment and / or heat treatment. And, by using the cleaning composition of the present disclosure, a high-quality electronic component can be obtained with a high yield. Furthermore, by using the cleaning composition of the present disclosure, an electronic component having a fine wiring pattern can be efficiently manufactured.
- the specific organic solvent (component B) acts on the interface between the substrate surface and the resin mask and the interface between the wiring and the resin mask. It is presumed that the resin mask removal property is remarkably improved. Further, the specific organic solvent (component B) acts on the unreacted monomer in the resin mask, and from there, the alkaline agent (component A) and water (component C) penetrate into the resin mask, and the resin mask is peeled off. It is also presumed that the resin mask removal property is remarkably improved. Thus, it is considered that a fine circuit (wiring pattern) can be efficiently formed on the substrate with high cleanliness. However, the present disclosure need not be construed as being limited to this mechanism.
- a cleaning composition has been required to have high resin mask removal properties, but has little effect on a substrate containing an organic resin such as an epoxy resin or a phenol resin (hereinafter, also referred to as an “organic resin-containing substrate”). It is desired. This is because if the cleaning composition dissolves or alters the surface of the substrate, the performance of the substrate required as an electronic component is reduced, and a high-quality substrate cannot be obtained.
- the specific organic solvent (component B) is optimally compatible with water, and even when a large amount of water is present or the amount of component B added is small. It works effectively and can promote the penetration of the alkali agent (component A) and water (component C) into the resin mask. Then, by reducing the content of the organic substance in the cleaning composition of the present disclosure, the influence on the organic resin-containing substrate can be reduced.
- a water-based cleaning composition that is easy to remove the removed resin mask from the cleaning liquid with a net or the like is advantageous, and a cleaning composition having a low organic substance content is preferable.
- the specific organic solvent (component B) is optimally compatible with water, and when a large amount of water is present or when the amount of component B is added. Works effectively even when the amount is small, and can promote penetration of the alkali agent (component A) and water (component C) into the resin mask. And by reducing the organic matter content in the cleaning composition of the present disclosure, it is possible to suppress an increase in the wastewater treatment load.
- a resin mask is a mask for protecting a material surface from a process such as etching, plating, or heating, that is, a mask that functions as a protective film.
- the resin mask in one or more embodiments, at least one of a resist layer after exposure and development steps, and exposure and development processing is performed (hereinafter, also referred to as “exposure and / or development processing”)
- a resist layer or a cured resist layer can be used.
- the resin material forming the resin mask includes a film-shaped photosensitive resin or a resist film.
- a general-purpose resist film can be used.
- composition of the present disclosure comprises, in one or more embodiments, an alkaline agent (Component A).
- Component A can be used alone or in combination of two or more.
- component A for example, at least one selected from inorganic alkalis and organic alkalis can be mentioned, and from the viewpoint of reducing the wastewater treatment load, inorganic alkalis are preferable.
- Examples of the inorganic alkali include sodium hydroxide, potassium hydroxide, lithium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, sodium silicate, potassium silicate, and the like.
- sodium hydroxide, potassium hydroxide, lithium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, sodium silicate, potassium silicate, and the like are preferable, and at least one of sodium hydroxide and potassium hydroxide is preferable. Is more preferable, and potassium hydroxide is still more preferable.
- organic alkali examples include a quaternary ammonium hydroxide represented by the following formula (I) and an amine represented by the following formula (II).
- R 1 , R 2 , R 3 and R 4 are each independently at least one member selected from a methyl group, an ethyl group, a propyl group, a hydroxymethyl group, a hydroxyethyl group and a hydroxypropyl group. It is.
- R 5 represents a hydrogen atom, a methyl group, an ethyl group or an aminoethyl group
- R 6 represents at least a hydrogen atom, a hydroxyethyl group, a hydroxypropyl group, a methyl group or an ethyl group
- R 7 is at least one selected from the group consisting of an aminoethyl group, a hydroxyethyl group and a hydroxypropyl group, or in the formula (II), R 5 is a methyl group, an ethyl group, an aminoethyl group.
- quaternary ammonium hydroxide represented by the formula (I) for example, a salt composed of a quaternary ammonium cation and a hydroxide, and the like can be mentioned.
- Specific examples of the quaternary ammonium hydroxide include tetramethylammonium hydroxide (TMAH), tetraethylammonium hydroxide, tetrapropylammonium hydroxide, 2-hydroxyethyltrimethylammonium hydroxide (choline), and 2-hydroxyethyltriethyl.
- TMAH tetramethylammonium hydroxide
- TMAH 2-hydroxyethyltrimethylammonium hydroxide
- TMAH 2-hydroxyethyltrimethylammonium hydroxide
- TMAH 2-hydroxyethyltrimethylammonium hydroxide
- TMAH dimethylbis (2-hydroxyethyl) ammonium hydroxide
- diethylbis At least one selected from the group consisting of tetramethylammonium hydroxide (TMAH), 2-hydroxyethyltrimethylammonium hydroxide (choline) and dimethylbis (2-hydroxyethyl) ammonium hydroxide At least one selected is more preferred, and tetramethylammonium hydroxide (TMAH) is even more preferred.
- Examples of the amine represented by the formula (II) include alkanolamines, primary to tertiary amines, and heterocyclic compounds. Specific examples of the amine include monoethanolamine, monoisopropanolamine, N-methylmonoethanolamine, N-methylisopropanolamine, N-ethylmonoethanolamine, N-ethylisopropanolamine, diethanolamine, diisopropanolamine, and N-dimethyl.
- the content of the component A when the cleaning composition of the present disclosure is used is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, and more preferably 1.0% by mass from the viewpoint of improving resin mask removability. % Or more, more preferably 1.5% by mass or more, and from the viewpoint of improving the resin mask removability, preferably 15% by mass or less, more preferably 10% by mass or less, and preferably 7.5% by mass or less. It is still more preferably 5% by mass or less. More specifically, the content of the component A at the time of use is preferably from 0.1% by mass to 15% by mass, more preferably from 0.5% by mass to 10% by mass, and more preferably from 1.0% by mass to 7% by mass. 0.5 mass% or less is still more preferable, and 1.5 mass% or more and 5 mass% or less are still more preferable. When component A is composed of two or more alkaline agents, the content of component A refers to the total content thereof.
- the content of each component at the time of using the cleaning composition refers to the content of each component at the time of cleaning, that is, at the time when the use of the cleaning composition for cleaning is started.
- composition of the present disclosure comprises, in one or more embodiments, an organic solvent (Component B).
- Component B can be used alone or in combination of two or more.
- the cleaning composition of the present disclosure includes two or more organic solvents (hereinafter, also referred to as “mixed organic solvent”)
- the Hansen solubility parameter of the entire mixed organic solvent may not be within the above range, and the mixed organic solvent If at least one organic solvent having a Hansen solubility parameter within the above range is contained therein, the effect of the present disclosure can be exerted.
- HSP Hansen solubility parameter
- HSPiP Hansen Solubility Parameters in Practice
- the distance of the HSP as the mixed organic solvent can be calculated using the HSP calculation function of the mixed organic solvent of “HSPiP: Hansen Solubility Parameters in Practice”.
- the component B is not particularly limited as long as the distance between the HSP coordinates of the component B and the component coordinates X satisfies the above formula.
- acetophenone (distance: 2.44 MPa 0.5 )
- propio Phenone (distance: 0.65 MPa 0.5 )
- p-anisaldehyde (distance: 5.15 MPa 0.5 )
- o-anisaldehyde (distance: 2.43 MPa 0.5 )
- p-methylacetophenone (distance: 1.23 MPa 0.5 )
- tetrahydrofuran (distance: 5.36MPa 0.5)
- dimethoxytetrahydrofuran (distance: 5.42MPa 0.5)
- methoxy cyclopentane (distance: 4.10MPa 0.5), diphenyl ether (distance: 3.83MPa 0.5), anisole (distance: 4.12 MPa 0.5
- ⁇ Component B in the present disclosure preferably has a high boiling point from the viewpoint of reducing fire risk due to ignition and stamina.
- the boiling point of the component B is preferably 160 ° C. or higher, more preferably 200 ° C. or higher.
- component B preferably has a high solubility in water from the viewpoint of concentrating properties.
- the solubility of component B in 100 mL of water is preferably 0.3 g or more.
- the content of the component B when the cleaning composition of the present disclosure is used is preferably 0.5% by mass or more, more preferably 1% by mass or more, and more preferably 3% by mass or more, from the viewpoint of improving the resin mask removability. It is still more preferably 5% by mass or more, and further preferably 30% by mass or less, more preferably 25% by mass or less, and preferably 20% by mass or less, from the viewpoint of reducing the load on the wastewater treatment and reducing the influence on the organic resin-containing substrate. More preferably, it is even more preferably 15% by mass or less.
- the content of the component B at the time of use is preferably 0.5% by mass to 30% by mass, more preferably 1% by mass to 25% by mass, and more preferably 3% by mass to 20% by mass. More preferably, the content is 5% by mass or more and 15% by mass or less.
- the content of component B refers to the total content thereof.
- the mass ratio (A / B) of the component A and the component B in the detergent composition of the present disclosure is preferably 0.05 or more, and more preferably 0.08 or more, from the viewpoint of storage stability and reduction of the wastewater treatment load. , 0.1 or more, still more preferably 0.15 or more, and from the viewpoint of improving the removability of the resin mask, 2 or less, preferably 1 or less, more preferably 0.8 or less, and 0. Even more preferably 5 or less. More specifically, the mass ratio (A / B) is preferably 0.05 or more and 2 or less, more preferably 0.08 or more and 1 or less, further preferably 0.1 or more and 0.8 or less, and 0.15 or more. 0.5 or less is even more preferred.
- the cleaning composition of the present disclosure includes water (Component C).
- Water component C examples include ion-exchanged water, RO water, distilled water, pure water, and ultrapure water.
- the content of the component C in the cleaning composition of the present disclosure can be a residue excluding the components A, B, and optional components described below.
- the content of the component C at the time of using the cleaning composition of the present disclosure is 69.9 mass from the viewpoint of improving the resin mask removability, reducing the wastewater treatment load, and reducing the influence on the organic resin-containing substrate.
- % Or more preferably 70% by mass or more, more preferably 75% by mass or more, still more preferably 80% by mass or more, and from the viewpoint of improving the resin mask removability, 99.4% by mass or less, 95 mass% or less is preferable, 90 mass% or less is more preferable, and 85 mass% or less is still more preferable.
- the content of the component C at the time of use is from 69.9% by mass to 99.4% by mass, preferably from 70% by mass to 95% by mass, and more preferably from 75% by mass to 90% by mass. Is more preferably 80% by mass or more and 85% by mass or less.
- the cleaning composition of the present disclosure may further contain optional components as required, in addition to the components A to C.
- the optional component include components that can be used in ordinary detergents.
- organic solvents other than component B surfactants, chelating agents, thickeners, dispersants, rust inhibitors, polymer compounds Solubilisers, antioxidants, preservatives, defoamers, antibacterial agents and the like.
- the content of the optional component when the cleaning composition of the present disclosure is used is preferably 0% by mass to 2.0% by mass, more preferably 0% by mass to 1.5% by mass, and more preferably 0% by mass to 1% by mass. 0.3% by mass or less, more preferably 0% by mass or more and 1.0% by mass or less.
- the total content of the organic substances derived from the components A, B and optional components when the cleaning composition of the present disclosure is used is preferably 40% by mass or less from the viewpoint of reducing the load on the wastewater treatment and reducing the influence on the organic resin-containing substrate.
- it is preferably 35% by mass or less, more preferably 30% by mass or less, still more preferably 25% by mass or less, even more preferably 20% by mass or less.
- It is preferably at least 1% by mass, more preferably at least 1% by mass, still more preferably at least 3% by mass, and still more preferably at least 5% by mass.
- the total content of the component A, the component B, and the organic matter derived from an optional component when the cleaning composition of the present disclosure is used is preferably 0.5% by mass or more and 40% by mass or less, and more preferably 1% by mass. It is more preferably 35% by mass or less, more preferably 3% by mass or more and 30% by mass or less, still more preferably 5% by mass or more and 25% by mass or less, even more preferably 5% by mass or more and 20% by mass or less.
- the detergent composition of the present disclosure does not substantially contain a nitrogen-containing compound and a phosphorus-containing compound from the viewpoint of reducing the wastewater treatment load and suppressing the eutrophication of the drainage area.
- substantially free of a nitrogen-containing compound and a phosphorus-containing compound means that the total content of the nitrogen-containing compound and the phosphorus-containing compound in the cleaning composition of the present disclosure is less than 0.1% by mass. That means.
- the total content of the nitrogen-containing compound and the phosphorus-containing compound in the detergent composition of the present disclosure is preferably 0.05% by mass or less from the viewpoint of reducing the wastewater treatment load and suppressing the eutrophication of the wastewater area.
- nitrogen-containing compound examples include nitrogen-containing compounds that have been widely used as a detergent composition. For example, at least one or a combination of two or more amines and salts thereof, ammonia, and ammonium salts.
- the amine include amino alcohols such as monoethanolamine and diethanolamine.
- the ammonium salt include a quaternary ammonium salt such as tetramethylammonium hydroxide (TMAH).
- the phosphorus-containing compound examples include phosphorus-containing compounds that have been widely used as a detergent composition, such as phosphoric acid and salts thereof, condensed phosphoric acid such as pyrophosphoric acid, polyphosphoric acid, and metaphosphoric acid, and salts thereof. And at least one kind or a combination of two or more kinds selected from inorganic phosphoric acid, organic phosphoric acid, and phosphoric acid ester.
- the cleaning composition of the present disclosure can be produced by blending the components A to C and, if necessary, the above-mentioned optional components by a known method.
- the cleaning composition of the present disclosure can be obtained by blending at least the above components A to C.
- the present disclosure relates to a method for producing a cleaning composition, which comprises at least a step of blending the components A to C.
- “comprising” includes mixing components A to C and, if necessary, other components simultaneously or in any order.
- the preferable blending amount of each component can be the same as the preferable content of each component of the above-described cleaning composition of the present disclosure.
- the detergent composition of the present disclosure may be prepared as a concentrate in which the amount of component C water is reduced within a range that does not cause separation, precipitation, or the like, and impair storage stability.
- the concentrate of the detergent composition is preferably a concentrate having a dilution factor of 3 or more from the viewpoint of transportation and storage, and is preferably a concentrate having a dilution ratio of 30 or less from the viewpoint of storage stability.
- the concentrate of the detergent composition can be used after being diluted with water so that the components A to C have the above-mentioned contents (ie, the contents at the time of washing) at the time of use. Further, the concentrate of the detergent composition can be used by adding each component separately at the time of use.
- “at the time of use” or “at the time of washing” of the cleaning composition of the concentrated liquid refers to a state in which the concentrate of the cleaning composition is diluted.
- the cleaning composition of the present disclosure can be used for cleaning an object to be cleaned having a resin mask attached thereto in one or a plurality of embodiments.
- the object to be cleaned include electronic components and intermediates for producing the same.
- the electronic component include at least one component selected from a printed board, a wafer, a metal plate such as a copper plate and an aluminum plate.
- the production intermediate is an intermediate product in a production process of an electronic component, and includes an intermediate product after a resin mask treatment.
- Specific examples of the object to be cleaned to which the resin mask is attached include, for example, a process of performing soldering using a resin mask or a plating process (copper plating, aluminum plating, nickel plating, or the like) to perform wiring or wiring.
- An electronic component in which connection terminals and the like are formed on the surface of the substrate may be used. Accordingly, the present disclosure, in one aspect, relates to the use of the cleaning compositions of the present disclosure as cleaning agents in the manufacture of electronic components.
- the cleaning composition of the present disclosure is suitable for cleaning an object to be cleaned to which a resin mask or a resin mask further subjected to plating treatment and / or heat treatment is adhered from the viewpoint of a cleaning effect.
- a resin mask for example, a negative resin mask or a positive resin mask may be used, and a negative resin mask is preferable because the effects of the present disclosure are easily exerted.
- the negative resin mask include a negative dry film resist that has been exposed and / or developed.
- the negative resin mask is formed using a negative resist, and includes, for example, a negative resist layer that has been exposed and / or developed.
- the positive resin mask is formed using a positive resist, and includes, for example, a positive resist layer that has been exposed and / or developed.
- the present disclosure in one aspect, relates to a cleaning method (hereinafter, also referred to as “the cleaning method of the present disclosure”) including a step of removing a resin mask from an object to be cleaned to which the resin mask has been attached with the cleaning composition of the present disclosure.
- the step of separating the resin mask from the object to be cleaned includes, in one or more embodiments, contacting the object to be cleaned with the resin mask attached thereto with the cleaning composition of the present disclosure.
- a resin mask particularly, a resin mask subjected to plating treatment and / or heat treatment can be efficiently removed.
- a cleaning composition As a method of peeling a resin mask from an object to be cleaned using the cleaning composition of the present disclosure, or a method of contacting the cleaning composition of the present disclosure with an object to be cleaned, for example, a cleaning composition was added.
- a method of contacting by immersing in a cleaning bath, a method of spraying and contacting the cleaning composition in a spray form (shower method), an ultrasonic cleaning method of irradiating ultrasonic waves during immersion, and the like are included.
- the cleaning composition of the present disclosure can be used for cleaning without dilution. Examples of the object to be cleaned include the objects to be cleaned described above.
- the cleaning method of the present disclosure may include, in one or more embodiments, a step of contacting the object to be cleaned with the cleaning composition, rinsing with water, and drying.
- the cleaning method of the present disclosure can include, in one or more embodiments, a step of rinsing with water after contacting the object to be cleaned with the cleaning composition.
- the cleaning method of the present disclosure is preferably performed by irradiating ultrasonic waves when the cleaning composition of the present disclosure is in contact with the object to be cleaned, since the cleaning power of the cleaning composition of the present disclosure is easily exhibited. More preferably, the sound waves have a relatively high frequency.
- the ultrasonic irradiation conditions are preferably, for example, 26 to 72 kHz and 80 to 1500 W, more preferably 36 to 72 kHz and 80 to 1500 W.
- the temperature of the cleaning composition is preferably 40 ° C. or higher, more preferably 50 ° C. or higher, and the organic resin-containing substrate, from the viewpoint that the cleaning power of the cleaning composition of the present disclosure is easily exerted. 70 ° C. or lower is preferable, and 60 ° C. or lower is more preferable, from the viewpoint of reducing the influence on the temperature.
- the present disclosure includes a method of manufacturing an electronic component (hereinafter, referred to as “the electronic component of the present disclosure”) including a step of removing a resin mask from an object to be cleaned to which the resin mask is attached with the cleaning composition of the present disclosure.
- Manufacturing method examples of the object to be cleaned include the objects to be cleaned described above.
- the method for manufacturing an electronic component according to the present disclosure can effectively remove the resin mask attached to the electronic component by performing cleaning using the cleaning composition according to the present disclosure, and thus can manufacture a highly reliable electronic component. Will be possible. Furthermore, by performing the cleaning method of the present disclosure, the resin mask attached to the electronic component can be easily removed, so that the cleaning time can be reduced and the manufacturing efficiency of the electronic component can be improved.
- kits relate to a kit for use in any of the cleaning method of the present disclosure and the method of manufacturing an electronic component of the present disclosure (hereinafter, also referred to as “kit of the present disclosure”).
- kit of the present disclosure is, in one or more embodiments, a kit for producing the cleaning composition of the present disclosure.
- the kit of the present disclosure includes, in one or more embodiments, a solution containing component A (first solution) and a solution containing component B (second solution) in a state where they are not mixed with each other; At least one of the first liquid and the second liquid further contains a part or all of the component C (water), and the first liquid and the second liquid are mixed at the time of use. Object). After the first liquid and the second liquid are mixed, they may be diluted with the component C (water) as necessary. Each of the first liquid and the second liquid may contain the above-described optional components as needed. According to the kit of the present disclosure, a detergent composition having excellent resin mask removal properties can be obtained.
- the first liquid containing 30 to 50% by mass of the component A and the balance of the component C A kit comprising: a first liquid containing component A in an amount of 30 to 50% by mass and component C as a balance, and a component B containing 1 to 99% by mass and component C as a balance.
- kits can further include a third liquid comprising the component C, and it is more preferable to dilute the mixture of the first liquid and the second liquid to an arbitrary concentration using the third liquid.
- the present disclosure further relates to one or more embodiments below.
- ⁇ 1> containing an alkali agent (component A), an organic solvent (component B) and water (component C),
- component A an alkali agent
- component B organic solvent
- component C water
- a cleaning composition for removing a resin mask wherein the content of the component C at the time of use is from 69.9% by mass to 99.4% by mass.
- Component A is at least one inorganic alkali selected from sodium hydroxide, potassium hydroxide, lithium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, sodium silicate and potassium silicate, ⁇ 1> or The cleaning composition according to ⁇ 2>.
- Component A is at least one organic alkali selected from a quaternary ammonium hydroxide represented by the following formula (I) and an amine represented by the following formula (II). ⁇ 1> 9. The cleaning composition according to item 1.
- R 1 , R 2 , R 3 and R 4 are each independently at least one member selected from a methyl group, an ethyl group, a propyl group, a hydroxymethyl group, a hydroxyethyl group and a hydroxypropyl group. It is.
- R 5 represents a hydrogen atom, a methyl group, an ethyl group or an aminoethyl group
- R 6 represents at least a hydrogen atom, a hydroxyethyl group, a hydroxypropyl group, a methyl group or an ethyl group.
- R 7 is at least one selected from the group consisting of an aminoethyl group, a hydroxyethyl group and a hydroxypropyl group, or in the formula (II), R 5 is a methyl group, an ethyl group, an aminoethyl group. , A hydroxyethyl group or a hydroxypropyl group, wherein R 6 and R 7 combine with each other to form a pyrrolidine ring or a piperazine ring together with the N atom in formula (II).
- R 6 and R 7 combine with each other to form a pyrrolidine ring or a piperazine ring together with the N atom in formula (II).
- the content of the component A at the time of use is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, still more preferably 1.0% by mass or more, and more preferably 1.5% by mass or more. More preferably, the cleaning composition according to any one of ⁇ 1> to ⁇ 5>.
- the content of Component A at the time of use is preferably 15% by mass or less, more preferably 10% by mass or less, still more preferably 7.5% by mass or less, and still more preferably 5% by mass or less. To ⁇ 6>.
- the content of the component A at the time of use is preferably from 0.1% by mass to 15% by mass, more preferably from 0.5% by mass to 10% by mass, and more preferably from 1.0% by mass to 7.5% by mass. % Or less, more preferably 1.5% by mass or more and 5% by mass or less, the cleaning composition according to any one of ⁇ 1> to ⁇ 7>.
- ⁇ 9> coordinates of the HSP component B ( ⁇ d B, ⁇ p B, ⁇ h B) when the, ingredients HSP coordinates B ( ⁇ d B, ⁇ p B, ⁇ h B) and component coordinates X ( ⁇ d 18. 3.
- Distance [( ⁇ d B -18.3) 2 + ( ⁇ p B -6.8) 2 + ( ⁇ h B -3.7) 2] 0.5 ⁇ 5.45MPa 0.5 ⁇ 10>
- Component B is acetophenone, propiophenone, p-anisaldehyde, o-anisaldehyde, p-methylacetophenone, tetrahydrofuran, dimethoxytetrahydrofuran, methoxycyclopentane, diphenyl ether, anisole, phenetole, diethylene glycol diethyl ether, dipropylene glycol
- the content of the component B at the time of use is preferably 0.5% by mass or more, more preferably 1% by mass or more, still more preferably 3% by mass or more, and still more preferably 5% by mass or more.
- the content of Component B during use is preferably 30% by mass or less, more preferably 25% by mass or less, still more preferably 20% by mass or less, and even more preferably 15% by mass or less.
- the cleaning composition according to any one of the above.
- the content of the component B during use is preferably from 0.5% by mass to 30% by mass, more preferably from 1% by mass to 25% by mass, and still more preferably from 3% by mass to 20% by mass,
- the content of the component A at the time of use is 0.1% by mass or more and 15% by mass or less
- the cleaning composition according to any one of ⁇ 1> to ⁇ 13>, wherein the content of the component B at the time of use is 0.5% by mass or more and 30% by mass or less.
- the mass ratio (A / B) between component A and component B is preferably 0.05 or more, more preferably 0.08 or more, still more preferably 0.1 or more, and even more preferably 0.15 or more.
- the cleaning composition according to any one of ⁇ 1> to ⁇ 14>.
- the mass ratio (A / B) between component A and component B is preferably 2 or less, more preferably 1 or less, still more preferably 0.8 or less, and even more preferably 0.5 or less.
- the mass ratio (A / B) of component A to component B is preferably 0.05 or more and 2 or less, more preferably 0.08 or more and 1 or less, and still more preferably 0.1 or more and 0.8 or less.
- the content of Component C at the time of use is 69.9% by mass or more, preferably 70% by mass or more, more preferably 75% by mass or more, and still more preferably 80% by mass or more.
- the content of Component C at the time of use is 99.4% by mass or less, preferably 95% by mass or less, more preferably 90% by mass or less, and even more preferably 85% by mass or less.
- the content of the component C at the time of use is from 69.9% by mass to 99.4% by mass, preferably from 70% by mass to 95% by mass, more preferably from 75% by mass to 90% by mass.
- the total content of organic substances when the cleaning composition is used is preferably 40% by mass or less, more preferably 35% by mass or less, still more preferably 30% by mass or less, and still more preferably 25% by mass or less, The cleaning composition according to any one of ⁇ 1> to ⁇ 20>, further preferably 20% by mass or less.
- the total content of organic substances when the cleaning composition is used is preferably 0.5% by mass or more, more preferably 1% by mass or more, still more preferably 3% by mass or more, and still more preferably 5% by mass or more.
- the total content of organic substances when the detergent composition is used is preferably 0.5% by mass or more and 40% by mass or less, more preferably 1% by mass or more and 35% by mass or less, and more preferably 3% by mass or more and 30% by mass.
- the total content of the nitrogen-containing compound and the phosphorus-containing compound in the detergent composition is less than 0.1% by mass, preferably 0.05% by mass or less, more preferably 0.01% by mass or less, and 0% by mass or less.
- ⁇ 26> The cleaning composition according to any one of ⁇ 1> to ⁇ 25>, wherein the resin mask is a negative dry film resist that has been subjected to at least one of exposure and development.
- a cleaning method comprising: removing the resin mask from an object to be cleaned to which the resin mask has been attached, using the cleaning composition according to any one of ⁇ 1> to ⁇ 26>.
- ⁇ 28> The cleaning method according to ⁇ 27>, wherein the object to be cleaned is an intermediate for manufacturing an electronic component.
- ⁇ 29> A method for manufacturing an electronic component, comprising a step of removing a resin mask from an object to be cleaned to which the resin mask has been attached with the cleaning composition according to any one of ⁇ 1> to ⁇ 26>.
- ⁇ 30> Use of the cleaning composition according to any one of ⁇ 1> to ⁇ 26> as a cleaning agent in the production of electronic components.
- test piece of resin mask 1 A photosensitive film for direct imaging (direct drawing) (Fotech RD-1225, thickness 25 ⁇ m, negative type dry film resist, manufactured by Hitachi Chemical Co., Ltd.) was applied to a glass epoxy multilayer substrate (MCL-E-679FG, manufactured by Hitachi Chemical Co., Ltd.). After laminating on the surface under the following conditions, selectively exposing and hardening the exposed portion (exposure step), development processing removes the unexposed portion (development step), and the resist pattern (negative pattern pattern) (Resin mask). Then, a test piece (4 cm ⁇ 4.5 cm) was obtained by performing a copper plating process on the region from which the unexposed portion was removed in the developing process.
- LT-980366 manufactured by Yangha Kagaku Co., Ltd.
- test piece of resin mask 2 After laminating a photosensitive film (HP-1060, manufactured by Hitachi Chemical Co., Ltd., thickness 60 ⁇ m, negative dry film resist) on the surface of the glass epoxy multilayer substrate under the following conditions, selectively exposing and curing the exposed portion An unexposed portion was removed by performing an (exposure process) and a development process (a development process), and a substrate having a resist pattern (a negative resin mask having a pattern shape) was obtained. Then, a test piece (4 cm ⁇ 4 cm) was obtained by performing a copper plating process on the region from which the unexposed portion was removed in the developing process.
- a photosensitive film HP-1060, manufactured by Hitachi Chemical Co., Ltd., thickness 60 ⁇ m, negative dry film resist
- Lamination Performed using a clean roller (RY-505Z, manufactured by Rayon Co., Ltd.) and a vacuum applicator (VA7024 / HP5, manufactured by Rohm & Haas).
- Exposure Exposure is performed using a direct drawing apparatus for printed circuit boards (manufactured by SCREEN Graphic and Precision Solutions Co., Ltd., Mercurex LI-9500).
- Development Developing device for substrate (LT-980366, manufactured by Yangha Kagaku Co., Ltd.), not exposed using 1% aqueous sodium carbonate solution The resin mask of the part is removed.
- peeling rate (%)
- the peeling rate (the ratio (%) of the area of the portion where the resin mask is removed, assuming that the total area where the resin mask was present before the cleaning test is 100) is calculated. Table 2 shows the results.
- the cleaning compositions of Examples 1 to 22 were the same as Comparative Examples 1 to 7, 9 containing no component A or component B, and Comparative Example 8 in which the content of component C was not within the predetermined range. In comparison, it was found that the resin mask was easily removed.
- the cleaning compositions of Examples 1 to 22 in which the content of the component C is in the range of 69.9 to 99.4% by mass are the same as those of Comparative Example 8 in which the content of the component C is less than 69.9% by mass.
- the effect on the organic resin-containing substrate was reduced as compared to Furthermore, the detergent compositions of Examples 1 to 22 had an organic matter content of 40% by mass or less, and it was considered that the wastewater treatment load was small.
- the cleaning composition of the present disclosure is useful as a cleaning composition used in a manufacturing process of an electronic component, shortening the cleaning process of the electronic component to which the resin mask is attached, and improving the performance and performance of the manufactured electronic component.
- the reliability can be improved, and the productivity of the semiconductor device can be improved.
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Abstract
Description
特許文献2には、(A)脂肪族アルコール系溶剤35~80質量%、(B)ハロゲン系炭化水素溶剤、非ヒドロキシ化エーテル溶剤から選ばれる有機溶剤10~40質量%、(C)第4級アンモニウム塩0.1~25質量%から本質的になるフォトレジスト用剥離液が記載されている。
特許文献3には、ジメチルスルホキシド、第4級アンモニウムヒドロキシド、特定のアルカノールアミン、及びアルコール、ポリヒドロキシ化合物又はその組み合わせを含む第2溶剤を含有し、水の含有量が3質量%以下である溶液が記載されている。
特許文献4には、マイクロ電子デバイスの再加工に用いる、少なくとも1種のアルカリ及び/又はアルカリ土類金属塩基、少なくとも1種の有機溶剤及び水を含有する準水系組成物が記載されている。
レジストは、光や電子線との反応方法から、ネガ型とポジ型に大きく分けられている。ネガ型レジストは、露光されると現像液に対する溶解性が低下する特性を有し、ネガ型レジストを含む層(以下、「ネガ型レジスト層」ともいう)は、露光及び現像処理後に露光部が樹脂マスクとして使用される。ポジ型レジストは、露光されると現像液に対する溶解性が増大する特性を有し、ポジ型レジストを含む層(以下、「ポジ型レジスト層」ともいう)は、露光及び現像処理後に露光部が除去され、未露光部が樹脂マスクとして使用される。このような特性を有する樹脂マスクを使用することで、金属配線、金属ピラーやハンダバンプといった回路基板の微細な接続部を形成することができる。
一般に、樹脂マスクの剥離は、洗浄剤組成物の成分が樹脂マスクに浸透し、樹脂マスクが膨潤することによる界面ストレスに起因すると考えられている。本開示の洗浄剤組成物では、アルカリ剤(成分A)、特定の有機溶剤(成分B)と水(成分C)が樹脂マスクに浸透することにより、樹脂マスクに配合されているアルカリ可溶性樹脂の解離を促進し、更に電荷反発を起こすことによって樹脂マスクの剥離を促進すると考えられる。このとき、特定の有機溶剤(成分B)が基板表面と樹脂マスクとの界面、配線と樹脂マスクの界面に作用することで、基板-樹脂間の密着力が低下して更に樹脂マスクの剥離を促進し、樹脂マスク除去性が格段に向上するものと推定される。また、特定の有機溶剤(成分B)が樹脂マスク中の未反応モノマーに作用し、そこを起点に樹脂マスク中にアルカリ剤(成分A)と水(成分C)を浸透させ、樹脂マスクの剥離を促進し、樹脂マスク除去性が格段に向上するものとも推定される。これにより、効率よくかつ高い清浄度で基板上に微細な回路(配線パターン)の形成が可能になると考えられる。
但し、本開示はこのメカニズムに限定して解釈されなくてもよい。
これに対し、本開示の洗浄剤組成物では、特定の有機溶剤(成分B)は、水との相溶性が最適であり、大量の水が存在する場合や成分Bの添加量が少ない場合でも有効に作用し、アルカリ剤(成分A)及び水(成分C)の樹脂マスクへの浸透を促進しうる。そして、本開示の洗浄剤組成物中の有機物含有量を低減させることで、有機樹脂含有基板への影響を低減しうる。
さらに、洗浄液を効率よく繰り返し用いるためには、除去した樹脂マスクを洗浄液中から網等で排除しやすい、剥離による水系の洗浄剤組成物が有利であり、有機物含有量の少ない洗浄剤組成物が強く要望されている。しかし、前記特許文献に記載の方法では、高い樹脂マスク除去性と低い排水処理負荷の両立が難しい。
これに対し、本開示の洗浄剤組成物では、上述したとおり、特定の有機溶剤(成分B)は、水との相溶性が最適であり、大量の水が存在する場合や成分Bの添加量が少ない場合でも有効に作用し、アルカリ剤(成分A)及び水(成分C)の樹脂マスクへの浸透を促進しうる。そして、本開示の洗浄剤組成物中の有機物含有量を低減させることで、排水処理負荷の増大を抑制しうる。
本開示の洗浄剤組成物は、一又は複数の実施形態において、アルカリ剤(成分A)を含む。成分Aは、1種又は2種以上を併用して用いることができる。
本開示の洗浄剤組成物は、一又は複数の実施形態において、有機溶剤(成分B)を含む。成分Bは、1種又は2種以上を併用して用いることができる。
δd:分子間の分散力によるエネルギー
δp:分子間の双極子相互作用によるエネルギー
δh:分子間の水素結合によるエネルギー
これら3つのパラメータは3次元空間(ハンセン空間)における座標とみなすことができ、2つの物質のHSPをハンセン空間内に置いたとき、2点間の距離が近ければ近いほど互いに溶解しやすいことを示している。化学工業2010年3月号(化学工業社)等に詳細な説明があり、パソコン用ソフト「HSPiP:Hansen Solubility Parameters in Practice」等を用いることで各種物質のハンセン溶解度パラメータを得ることができる。本開示は、このパソコン用ソフト「HSPiP:Hansen Solubility Parameters in Practice」を用いて得られたハンセン溶解度パラメータを用いている。成分Bが2種以上の混合有機溶剤である場合、混合有機溶媒としてのHSPの距離については、「HSPiP:Hansen Solubility Parameters in Practice」の混合有機溶剤のHSP算出機能を用いて算出できる。
距離=[(δdB-18.3)2+(δpB-6.8)2+(δhB-3.7)2]0.5
≦5.45MPa0.5
本開示の洗浄剤組成物は、水(成分C)を含む。成分Cの水としては、イオン交換水、RO水、蒸留水、純水、超純水等が挙げられる。
本開示の洗浄剤組成物は、前記成分A~C以外に、必要に応じて任意成分を更に含有することができる。任意成分としては、通常の洗浄剤に用いられうる成分を挙げることができ、例えば、成分B以外の有機溶剤、界面活性剤、キレート剤、増粘剤、分散剤、防錆剤、高分子化合物、可溶化剤、酸化防止剤、防腐剤、消泡剤、抗菌剤等が挙げられる。本開示の洗浄剤組成物の使用時における任意成分の含有量は、0質量%以上2.0質量%以下が好ましく、0質量%以上1.5質量%以下がより好ましく、0質量%以上1.3質量%以下が更に好ましく、0質量%以上1.0質量%以下がより更に好ましい。
窒素含有化合物としては、洗浄剤組成物として従来から広く用いられている窒素含有化合物が挙げられ、例えば、アミン及びその塩、アンモニア、並びにアンモニウム塩から選ばれる少なくとも1種又は2種以上の組合せが挙げられる。前記アミンとしては、例えば、モノエタノールアミン、ジエタノールアミン等のアミノアルコールが挙げられる。前記アンモニウム塩としては、例えば、テトラメチルアンモニウムヒドロキシド(TMAH)等の4級アンモニウム塩を挙げることができる。
リン含有化合物としては、洗浄剤組成物として従来から広く用いられているリン含有化合物が挙げられ、例えば、リン酸及びその塩、ピロリン酸、ポリリン酸、メタリン酸等の縮合リン酸及びその塩などの無機リン酸、並びに有機リン酸、リン酸エステルから選ばれる少なくとも1種又は2種以上の組合せが挙げられる。
本開示の洗浄剤組成物は、前記成分A~C及び必要に応じて上述の任意成分を公知の方法で配合することにより製造できる。例えば、本開示の洗浄剤組成物は、少なくとも前記成分A~Cを配合してなるものとすることができる。したがって、本開示は、少なくとも前記成分A~Cを配合する工程を含む、洗浄剤組成物の製造方法に関する。本開示において「配合する」とは、成分A~C及び必要に応じてその他の成分を同時に又は任意の順に混合することを含む。本開示の洗浄剤組成物の製造方法において、各成分の好ましい配合量は、上述した本開示の洗浄剤組成物の各成分の好ましい含有量と同じとすることができる。
本開示の洗浄剤組成物は、一又は複数の実施形態において、樹脂マスクが付着した被洗浄物の洗浄に使用されうる。
被洗浄物としては、例えば、電子部品及びその製造中間物が挙げられる。電子部品としては、例えば、プリント基板、ウエハ、銅板及びアルミニウム板等の金属板から選ばれる少なくとも1つの部品が挙げられる。前記製造中間物は、電子部品の製造工程における中間製造物であって、樹脂マスク処理後の中間製造物を含む。樹脂マスクが付着した被洗浄物の具体例としては、例えば、樹脂マスクを使用した半田付けやメッキ処理(銅メッキ、アルミニウムメッキ、ニッケルメッキ等)等の処理を行う工程を経ることにより、配線や接続端子等が基板表面に形成された電子部品等が挙げられる。
したがって、本開示は、一態様において、本開示の洗浄剤組成物の、電子部品の製造における洗浄剤としての使用に関する。
本開示は、一態様において、本開示の洗浄剤組成物で樹脂マスクが付着した被洗浄物から樹脂マスクを剥離する工程を含む、洗浄方法(以下、「本開示の洗浄方法」ともいう)に関する。本開示の洗浄方法において、被洗浄物から樹脂マスクを剥離する工程は、一又は複数の実施形態において、樹脂マスクが付着した被洗浄物を本開示の洗浄剤組成物に接触させることを含む。本開示の洗浄方法であれば、樹脂マスク、特にメッキ処理及び/又は加熱処理された樹脂マスクを効率よく除去できる。
本開示は、一態様において、本開示の洗浄剤組成物で、樹脂マスクが付着した被洗浄物から樹脂マスクを剥離する工程を含む、電子部品の製造方法(以下、「本開示の電子部品の製造方法」ともいう)に関する。被洗浄物としては、上述した被洗浄物を挙げることができる。本開示の電子部品の製造方法は、本開示の洗浄剤組成物を用いて洗浄を行うことにより、電子部品に付着した樹脂マスクを効果的に除去できるため、信頼性の高い電子部品の製造が可能になる。更に、本開示の洗浄方法を行うことにより、電子部品に付着した樹脂マスクの除去が容易になることから、洗浄時間が短縮化でき、電子部品の製造効率を向上できる。
本開示は、一態様において、本開示の洗浄方法及び本開示の電子部品の製造方法のいずれかに使用するためのキット(以下、「本開示のキット」ともいう)に関する。本開示のキットは、一又は複数の実施形態において、本開示の洗浄剤組成物を製造するためのキットである。
<1> アルカリ剤(成分A)、有機溶剤(成分B)及び水(成分C)を含有し、
成分Bのハンセン溶解度パラメータの座標が、δd=18.3、δp=6.8、δh=3.7を中心とする半径5.45MPa0.5の球の範囲内であり、
使用時における成分Cの含有量が69.9質量%以上99.4質量%以下である、樹脂マスク剥離用洗浄剤組成物。
<3> 成分Aが、水酸化ナトリウム、水酸化カリウム、水酸化リチウム、水酸化カルシウム、炭酸ナトリウム、炭酸カリウム、珪酸ナトリウム及び珪酸カリウムから選ばれる少なくとも1種の無機アルカリである、<1>又は<2>に記載の洗浄剤組成物。
<4> 成分Aが、下記式(I)で表される第4級アンモニウム水酸化物、及び下記式(II)で表されるアミンから選ばれる少なくとも1種の有機アルカリである、<1>に記載の洗浄剤組成物。
<5> 成分Aが、テトラメチルアンモニウムヒドロキシドである、<1>又は<4>に記載の洗浄剤組成物。
<6> 使用時における成分Aの含有量は、0.1質量%以上が好ましく、0.5質量%以上がより好ましく、1.0質量%以上が更に好ましく、1.5質量%以上がより更に好ましい、<1>から<5>のいずれかに記載の洗浄剤組成物。
<7> 使用時における成分Aの含有量は、15質量%以下が好ましく、10質量%以下がより好ましく、7.5質量%以下が更に好ましく、5質量%以下がより更に好ましい、<1>から<6>のいずれかに記載の洗浄剤組成物。
<8> 使用時における成分Aの含有量は、0.1質量%以上15質量%以下が好ましく、0.5質量%以上10質量%以下がより好ましく、1.0質量%以上7.5質量%以下が更に好ましく、1.5質量%以上5質量%以下がより更に好ましい、<1>から<7>のいずれかに記載の洗浄剤組成物。
<9> 成分BのHSPの座標を(δdB、δpB、δhB)としたとき、該成分BのHSPの座標(δdB、δpB、δhB)と成分座標X(δd=18.3、δp=6.8、δh=3.7)との距離(単位:MPa0.5)が下記式を満たす、<1>から<8>のいずれかに記載の洗浄剤組成物。
距離=[(δdB-18.3)2+(δpB-6.8)2+(δhB-3.7)2]0.5
≦5.45MPa0.5
<10> 成分Bが、アセトフェノン、プロピオフェノン、p-アニスアルデヒド、o-アニスアルデヒド、p-メチルアセトフェノン、テトラヒドロフラン、ジメトキシテトラヒドロフラン、メトキシシクロペンタン、ジフェニルエーテル、アニソール、フェネトール、ジエチレングリコールジエチルエーテル、ジプロピレングリコールジメチルエーテル、シクロヘキサノン、2-オクタノン及びベンズアルデヒドから選ばれる少なくとも1種である、<1>から<9>のいずれかに記載の洗浄剤組成物。
<11> 使用時における成分Bの含有量は、0.5質量%以上が好ましく、1質量%以上がより好ましく、3質量%以上が更に好ましく、5質量%以上がより更に好ましい、<1>から<10>のいずれかに記載の洗浄剤組成物。
<12> 使用時における成分Bの含有量は、30質量%以下が好ましく、25質量%以下がより好ましく、20質量%以下が更に好ましく、15質量%以下がより更に好ましい、<1>から<11>のいずれかに記載の洗浄剤組成物。
<13> 使用時における成分Bの含有量は、0.5質量%以上30質量%以下が好ましく、1質量%以上25質量%以下がより好ましく、3質量%以上20質量%以下が更に好ましく、5質量%以上15質量%以下がより更に好ましい、<1>から<12>のいずれかに記載の洗浄剤組成物。
<14> 使用時における成分Aの含有量が0.1質量%以上15質量%以下であり、
使用時における成分Bの含有量が0.5質量%以上30質量%以下である、<1>から<13>のいずれかに記載の洗浄剤組成物。
<15> 成分Aと成分Bとの質量比(A/B)は、0.05以上が好ましく、0.08以上がより好ましく、0.1以上が更に好ましく、0.15以上がより更に好ましい、<1>から<14>のいずれかに記載の洗浄剤組成物。
<16> 成分Aと成分Bとの質量比(A/B)は、2以下が好ましく、1以下がより好ましく、0.8以下が更に好ましく、0.5以下がより更に好ましい、<1>から<15>のいずれかに記載の洗浄剤組成物。
<17> 成分Aと成分Bとの質量比(A/B)は、0.05以上2以下が好ましく、0.08以上1以下がより好ましく、0.1以上0.8以下が更に好ましく、0.15以上0.5以下がより更に好ましい、<1>から<16>のいずれかに記載の洗浄剤組成物。
<18> 使用時における成分Cの含有量は、69.9質量%以上であって、70質量%以上が好ましく、75質量%以上がより好ましく、80質量%以上が更に好ましい、<1>から<17>のいずれかに記載の洗浄剤組成物。
<19> 使用時における成分Cの含有量は、99.4質量%以下であって、95質量%以下が好ましく、90質量%以下がより好ましく、85質量%以下が更に好ましい、<1>から<18>のいずれかに記載の洗浄剤組成物。
<20> 使用時における成分Cの含有量は、69.9質量%以上99.4質量%以下であって、70質量%以上95質量%以下が好ましく、75質量%以上90質量%以下がより好ましく、80質量%以上85質量%以下が更に好ましい、<1>から<19>のいずれかに記載の洗浄剤組成物。
<21> 洗浄剤組成物の使用時における有機物の総含有量は、40質量%以下が好ましく、35質量%以下がより好ましく、30質量%以下が更に好ましく、25質量%以下がより更に好ましく、20質量%以下がより更に好ましい、<1>から<20>のいずれかに記載の洗浄剤組成物。
<22> 洗浄剤組成物の使用時における有機物の総含有量は、0.5質量%以上が好ましく、1質量%以上がより好ましく、3質量%以上が更に好ましく、5質量%以上がより更に好ましい、<1>から<21>のいずれかに記載の洗浄剤組成物。
<23> 洗浄剤組成物の使用時における有機物の総含有量は、0.5質量%以上40質量%以下が好ましく、1質量%以上35質量%以下がより好ましく、3質量%以上30質量%以下が更に好ましく、5質量%以上25質量%以下がより更に好ましく、5質量%以上20質量%以下がより更に好ましい、<1>から<22>のいずれかに記載の洗浄剤組成物。
<24> 窒素含有化合物及びリン含有化合物を実質的に含まない、<1>から<23>のいずれかに記載の洗浄剤組成物。
<25> 洗浄剤組成物中の窒素含有化合物及びリン含有化合物の合計含有量が0.1質量%未満であり、0.05質量%以下が好ましく、0.01質量%以下がより好ましく、0質量%が更に好ましい、<1>から<24>のいずれかに記載の洗浄剤組成物。
<26> 樹脂マスクが、露光及び現像の少なくとも一方の処理が施されたネガ型ドライフィルムレジストである、<1>から<25>のいずれかに記載の洗浄剤組成物。
<27> <1>から<26>のいずれかに記載の洗浄剤組成物で、樹脂マスクが付着した被洗浄物から樹脂マスクを剥離する工程を含む、洗浄方法。
<28> 被洗浄物が、電子部品の製造中間物である、<27>に記載の洗浄方法。
<29> <1>から<26>のいずれかに記載の洗浄剤組成物で樹脂マスクが付着した被洗浄物から樹脂マスクを剥離する工程を含む、電子部品の製造方法。
<30> <1>から<26>のいずれかに記載の洗浄剤組成物の、電子部品の製造における洗浄剤としての使用。
<31> <27>又は<28>に記載の洗浄方法及び<29>に記載の電子部品の製造方法のいずれかに使用するためのキットであって、
成分Aを含有する溶液(第1液)と、成分Bを含有する溶液(第2液)とを、相互に混合されない状態で含み、
第1液及び第2液の少なくとも一方は、成分Cの一部又は全部を更に含有し、
第1液と第2液とは使用時に混合されるキット。
有機溶剤のHSPの座標(δd1、δp1、δh1)は、パソコン用ソフトウエア「HSPiP:Hansen Solubility Parameters in Practice」を用いて算出した。そして、有機溶剤のHSPの座標(δd1、δp1、δh1)と成分座標(δd=18.3、δp=6.8、δh=3.7)との距離を下記式により算出した。結果を表1に示す。
距離=[(δd1-18.3)2+(δp1-6.8)2+(δh1-3.7)2]0.5
トール型の200mLガラスビーカーに有効分換算で水酸化カリウム(成分A)2.5g、アセトフェノン(成分B)15.0g及び水(成分C)82.5gを配合し、それを攪拌して混合することにより、実施例1の洗浄剤組成物を調製した。そして、実施例2~22及び比較例1~9の洗浄剤組成物を、実施例1と同様の方法により、成分A~C以外の成分を含む場合はそれらも同時に配合し、表2に示す有効分となる組成比で調製した。各洗浄剤組成物の各成分の含有量(質量%、有効分)を表2に示した。
(成分A)
A1:水酸化カリウム[関東化学株式会社製、特級、固形分48質量%]
A2:水酸化ナトリウム[関東化学株式会社製、特級、固形分48質量%]
A3:テトラメチルアンモニウムヒドロキシド[昭和電工株式会社製、TMAH(25%)]
(成分B)
B1:アセトフェノン[富士フィルム和光純薬株式会社製、特級]
B2:プロピオフェノン[東京化成工業株式会社製]
B3:p-アニスアルデヒド[富士フィルム和光純薬株式会社製、特級]
B4:o-アニスアルデヒド[SIGMA-ALDRICH社製]
B5:p-メチルアセトフェノン[富士フィルム和光純薬株式会社製、一級]
B6:テトラヒドロフラン[富士フィルム和光純薬株式会社、特級]
B7:ジメトキシテトラヒドロフラン[東京化成工業株式会社製]
B8:メトキシシクロペンタン[東京化成工業株式会社製]
B9:ジフェニルエーテル[富士フィルム和光純薬株式会社製、特級]
B10:アニソール[富士フィルム和光純薬株式会社製、特級]
B11:フェネトール[富士フィルム和光純薬株式会社製、一級]
B12:ジエチレングリコールジエチルエーテル[富士フィルム和光純薬株式会社製、一級]
B13:ジプロピレングリコールジメチルエーテル[富士フィルムワコーケミカル株式会社製]
B14:シクロヘキサノン[富士フィルム和光純薬株式会社製、一級]
B15:2-オクタノン[富士フィルム和光純薬株式会社製、一級]
B16:ベンズアルデヒド[富士フィルム和光純薬株式会社製、特級]
(非成分B)
B17:ブチルジグリコール[富士フィルム和光純薬株式会社製、特級]
B18:ジエチレングリコールジメチルエーテル[富士フィルム和光純薬株式会社製、特級]
B19:酢酸ブチル[富士フィルム和光純薬株式会社製、一級]
B20:フェニルジグリコール[東京化成工業株式会社製]
B21:エチレングリコール[富士フィルム和光純薬株式会社製、一級]
(成分C)
水:オルガノ株式会社製純水装置G-10DSTSETで製造した1μS/cm以下の純水
調製した実施例1~22及び比較例1~9の洗浄剤組成物の樹脂マスク除去性を評価した。
ダイレクトイメージング(直接描画)用感光性フィルム(日立化成株式会社製、フォテック RD-1225、厚み25μm、ネガ型ドライフィルムレジスト)をガラスエポキシ多層基板(日立化成株式会社製、MCL-E-679FG)の表面に下記条件でラミネートし、選択的に露光処理して露光部を硬化した後(露光工程)、現像処理することで未露光部を除去し(現像工程)、レジストパターン(パターン形状のネガ型樹脂マスク)を有する基板を得た。そして、前記現像処理で未露光部が除去された領域を銅メッキ処理することで、テストピース(4cm×4.5cm)を得た。
(1)ラミネート:クリーンローラー(株式会社レヨーン工業製、RY-505Z)及び真空アプリケータ(ローム&ハース社製、VA7024/HP5)を用いてローラー温度50℃、ローラー圧1.4Bar、処理時間30秒で行う。
(2)露光:プリント基板用直接描画装置(株式会社SCREENグラフィックアンドプレシジョンソリューションズ製、Mercurex LI-9500)を用い、露光量15mJ/cm2で露光を行う。
(3)パターン形状:L/S=20μm/20μmの縞状パターン
(4)現像:基板用現像装置(揚博科技株式会社製、LT-980366)、30℃の1%炭酸ナトリウム水溶液を用いて、スプレー圧0.2MPa、47秒間で、未露光部の樹脂マスクを除去する。
感光性フィルム(日立化成株式会社製、HP-1060、厚み60μm、ネガ型ドライフィルムレジスト)をガラスエポキシ多層基板の表面に下記条件でラミネートし、選択的に露光処理して露光部を硬化した後(露光工程)、現像処理することで未露光部を除去し(現像工程)、レジストパターン(パターン形状のネガ型樹脂マスク)を有する基板を得た。そして、前記現像処理で未露光部が除去された領域を銅メッキ処理することで、テストピース(4cm×4cm)を得た。
(1)ラミネート:クリーンローラー(株式会社レヨーン工業製、RY-505Z)及び真空アプリケータ(ローム&ハース社製、VA7024/HP5)を用いて行う。
(2)露光:プリント基板用直接描画装置(株式会社SCREENグラフィックアンドプレシジョンソリューションズ製、Mercurex LI-9500)を用いて露光を行う。
(3)パターン形状:L/S=20μm/20μmの縞状パターン
(4)現像:基板用現像装置(揚博科技株式会社製、LT-980366)、1%炭酸ナトリウム水溶液を用いて、未露光部の樹脂マスクを除去する。
トール型の200mLガラスビーカーに、各洗浄剤組成物を100g添加して60℃に加温し、回転子[フッ素樹脂(PTFE)、φ8mm×25mm]を用いて回転数600rpmで撹拌した状態で、テストピースを4分間浸漬する。そして、100mLガラスビーカーに水を100g添加したすすぎ槽へ浸漬してすすいだ後、自然乾燥する。
光学顕微鏡「デジタルマイクロスコープVHX-2000」(株式会社キーエンス製)を用いて、洗浄試験を行った後のテストピースの各部位に残存する樹脂マスクの有無を300倍に拡大して目視確認し、剥離率(洗浄試験を行う前に樹脂マスクが存在した総面積を100としたときの樹脂マスクが除去された部分の面積の比率(%))を算出する。結果を表2に示す。
250mL広口ポリプロピレン製ボトルに各洗浄剤組成物100gを添加し、ガラスエポキシ多層基板(2cm×5cm)を浸漬し、60℃で7日間保管後、水ですすぎ、乾燥後の基板表面の状態を目視観察し、下記評価基準で評価した結果を表2に示す。
A:試験前と変化なし
B:基板表面が変質した
Claims (11)
- アルカリ剤(成分A)、有機溶剤(成分B)及び水(成分C)を含有し、
成分Bのハンセン溶解度パラメータの座標が、δd=18.3、δp=6.8、δh=3.7を中心とする半径5.45MPa0.5の球の範囲内であり、
使用時における成分Cの含有量が69.9質量%以上99.4質量%以下である、樹脂マスク剥離用洗浄剤組成物。 - 使用時における成分Aの含有量が0.1質量%以上15質量%以下であり、
使用時における成分Bの含有量が0.5質量%以上30質量%以下である、請求項1に記載の洗浄剤組成物。 - 成分Bが、アセトフェノン、プロピオフェノン、p-アニスアルデヒド、o-アニスアルデヒド、p-メチルアセトフェノン、テトラヒドロフラン、ジメトキシテトラヒドロフラン、メトキシシクロペンタン、ジフェニルエーテル、アニソール、フェネトール、ジエチレングリコールジエチルエーテル、ジプロピレングリコールジメチルエーテル、シクロヘキサノン、2-オクタノン及びベンズアルデヒドから選ばれる少なくとも1種である、請求項1又は2に記載の洗浄剤組成物。
- 成分Aが、無機アルカリである、請求項1から3のいずれかに記載の洗浄剤組成物。
- 窒素含有化合物及びリン含有化合物を実質的に含まない、請求項1から4のいずれかに記載の洗浄剤組成物。
- 樹脂マスクが、露光及び現像の少なくとも一方の処理が施されたネガ型ドライフィルムレジストである、請求項1から5のいずれかに記載の洗浄剤組成物。
- 請求項1から6のいずれかに記載の洗浄剤組成物で、樹脂マスクが付着した被洗浄物から樹脂マスクを剥離する工程を含む、洗浄方法。
- 被洗浄物が、電子部品の製造中間物である、請求項7に記載の洗浄方法。
- 請求項1から6のいずれかに記載の洗浄剤組成物で樹脂マスクが付着した被洗浄物から樹脂マスクを剥離する工程を含む、電子部品の製造方法。
- 請求項1から6のいずれかに記載の洗浄剤組成物の、電子部品の製造における洗浄剤としての使用。
- 請求項7又は8に記載の洗浄方法及び請求項9に記載の電子部品の製造方法のいずれかに使用するためのキットであって、
成分Aを含有する溶液(第1液)と、成分Bを含有する溶液(第2液)とを、相互に混合されない状態で含み、
第1液及び第2液の少なくとも一方は、成分Cの一部又は全部を更に含有し、
第1液と第2液とは使用時に混合されるキット。
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JP2019518336A JP7132214B2 (ja) | 2018-07-27 | 2018-07-27 | 樹脂マスク剥離用洗浄剤組成物 |
PCT/JP2018/028330 WO2020021721A1 (ja) | 2018-07-27 | 2018-07-27 | 樹脂マスク剥離用洗浄剤組成物 |
KR1020217002126A KR20210021576A (ko) | 2018-07-27 | 2018-07-27 | 수지 마스크 박리용 세정제 조성물 |
CN201880084864.2A CN111566567B (zh) | 2018-07-27 | 2018-07-27 | 树脂掩膜剥离用清洗剂组合物 |
TW108125973A TWI810335B (zh) | 2018-07-27 | 2019-07-23 | 樹脂遮罩剝離用洗淨劑組合物 |
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Citations (4)
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JPH11311867A (ja) * | 1998-02-25 | 1999-11-09 | Kao Corp | 剥離剤組成物 |
JP2000019745A (ja) * | 1998-07-06 | 2000-01-21 | Kao Corp | 剥離剤組成物 |
JP2007254555A (ja) * | 2006-03-22 | 2007-10-04 | Sanyo Chem Ind Ltd | 洗浄剤組成物 |
WO2018047631A1 (ja) * | 2016-09-09 | 2018-03-15 | 花王株式会社 | 樹脂マスク剥離用洗浄剤組成物 |
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US5185235A (en) | 1987-09-09 | 1993-02-09 | Tokyo Ohka Kogyo Co., Ltd. | Remover solution for photoresist |
US9329486B2 (en) | 2005-10-28 | 2016-05-03 | Dynaloy, Llc | Dynamic multi-purpose composition for the removal of photoresists and method for its use |
KR101328097B1 (ko) * | 2006-01-11 | 2013-11-13 | 주식회사 동진쎄미켐 | 티에프티 엘시디용 칼라 레지스트 박리액 조성물 |
CN101041794B (zh) * | 2006-03-24 | 2012-02-22 | 达兴材料股份有限公司 | 清洗液组成物和其用途 |
KR20090076938A (ko) | 2006-09-25 | 2009-07-13 | 어드밴스드 테크놀러지 머티리얼즈, 인코포레이티드 | 웨이퍼 재작업 적용을 위한 포토레지스트의 제거를 위한 조성물 및 방법 |
CN101201556A (zh) | 2006-12-15 | 2008-06-18 | 安集微电子(上海)有限公司 | 低蚀刻性光刻胶清洗剂 |
KR101333779B1 (ko) * | 2007-08-20 | 2013-11-29 | 주식회사 동진쎄미켐 | 티에프티 엘시디용 칼라 레지스트 박리액 조성물 |
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- 2018-07-27 JP JP2019518336A patent/JP7132214B2/ja active Active
- 2018-07-27 CN CN201880084864.2A patent/CN111566567B/zh active Active
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Patent Citations (4)
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JPH11311867A (ja) * | 1998-02-25 | 1999-11-09 | Kao Corp | 剥離剤組成物 |
JP2000019745A (ja) * | 1998-07-06 | 2000-01-21 | Kao Corp | 剥離剤組成物 |
JP2007254555A (ja) * | 2006-03-22 | 2007-10-04 | Sanyo Chem Ind Ltd | 洗浄剤組成物 |
WO2018047631A1 (ja) * | 2016-09-09 | 2018-03-15 | 花王株式会社 | 樹脂マスク剥離用洗浄剤組成物 |
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TW202016662A (zh) | 2020-05-01 |
TWI810335B (zh) | 2023-08-01 |
JPWO2020021721A1 (ja) | 2021-06-24 |
CN111566567A (zh) | 2020-08-21 |
CN111566567B (zh) | 2024-07-12 |
KR20210021576A (ko) | 2021-02-26 |
JP7132214B2 (ja) | 2022-09-06 |
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