KR100831182B1 - 포스트 화학적-기계적 플래너화 (cmp) 세정 조성물 - Google Patents
포스트 화학적-기계적 플래너화 (cmp) 세정 조성물 Download PDFInfo
- Publication number
- KR100831182B1 KR100831182B1 KR1020077026381A KR20077026381A KR100831182B1 KR 100831182 B1 KR100831182 B1 KR 100831182B1 KR 1020077026381 A KR1020077026381 A KR 1020077026381A KR 20077026381 A KR20077026381 A KR 20077026381A KR 100831182 B1 KR100831182 B1 KR 100831182B1
- Authority
- KR
- South Korea
- Prior art keywords
- cleaning
- solution
- cleaning solution
- copper
- cmp
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 102
- 239000000203 mixture Substances 0.000 title claims description 38
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 37
- 238000004377 microelectronic Methods 0.000 claims abstract description 21
- 150000001412 amines Chemical class 0.000 claims abstract description 15
- 239000000908 ammonium hydroxide Substances 0.000 claims abstract description 14
- 125000001453 quaternary ammonium group Chemical group 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 64
- 239000010949 copper Substances 0.000 claims description 57
- 229910052802 copper Inorganic materials 0.000 claims description 47
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 45
- 230000007797 corrosion Effects 0.000 claims description 30
- 238000005260 corrosion Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 30
- 235000010323 ascorbic acid Nutrition 0.000 claims description 23
- 239000011668 ascorbic acid Substances 0.000 claims description 23
- 229960005070 ascorbic acid Drugs 0.000 claims description 22
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims description 20
- 239000003112 inhibitor Substances 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 14
- 235000004515 gallic acid Nutrition 0.000 claims description 10
- 229940074391 gallic acid Drugs 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 7
- 150000005622 tetraalkylammonium hydroxides Chemical class 0.000 claims description 7
- JPIGSMKDJQPHJC-UHFFFAOYSA-N 1-(2-aminoethoxy)ethanol Chemical compound CC(O)OCCN JPIGSMKDJQPHJC-UHFFFAOYSA-N 0.000 claims description 6
- 150000000996 L-ascorbic acids Chemical class 0.000 claims description 6
- OPKOKAMJFNKNAS-UHFFFAOYSA-N N-methylethanolamine Chemical compound CNCCO OPKOKAMJFNKNAS-UHFFFAOYSA-N 0.000 claims description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- LHIJANUOQQMGNT-UHFFFAOYSA-N aminoethylethanolamine Chemical compound NCCNCCO LHIJANUOQQMGNT-UHFFFAOYSA-N 0.000 claims description 6
- 239000012964 benzotriazole Substances 0.000 claims description 6
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- CIWBSHSKHKDKBQ-SZSCBOSDSA-N 2-[(1s)-1,2-dihydroxyethyl]-3,4-dihydroxy-2h-furan-5-one Chemical compound OC[C@H](O)C1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-SZSCBOSDSA-N 0.000 claims description 5
- CIWBSHSKHKDKBQ-DUZGATOHSA-N D-isoascorbic acid Chemical compound OC[C@@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-DUZGATOHSA-N 0.000 claims description 5
- 235000000069 L-ascorbic acid Nutrition 0.000 claims description 5
- 239000002211 L-ascorbic acid Substances 0.000 claims description 5
- 235000010350 erythorbic acid Nutrition 0.000 claims description 5
- 229940026239 isoascorbic acid Drugs 0.000 claims description 5
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 4
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 claims description 3
- 229930003268 Vitamin C Natural products 0.000 claims description 3
- 235000019154 vitamin C Nutrition 0.000 claims description 3
- 239000011718 vitamin C Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 118
- 235000012431 wafers Nutrition 0.000 description 30
- 238000004630 atomic force microscopy Methods 0.000 description 20
- 239000008367 deionised water Substances 0.000 description 20
- 229910021641 deionized water Inorganic materials 0.000 description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- 239000012141 concentrate Substances 0.000 description 12
- 239000002002 slurry Substances 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 10
- 239000002585 base Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 7
- 239000000356 contaminant Substances 0.000 description 6
- 238000007654 immersion Methods 0.000 description 6
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 3
- 239000005751 Copper oxide Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229910000431 copper oxide Inorganic materials 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229940079877 pyrogallol Drugs 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 2
- -1 TiN Chemical class 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
- 238000004458 analytical method Methods 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 239000007853 buffer solution Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 229940072107 ascorbate Drugs 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical compound CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0073—Anticorrosion compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/28—Heterocyclic compounds containing nitrogen in the ring
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/30—Amines; Substituted amines ; Quaternized amines
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/265—Carboxylic acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3209—Amines or imines with one to four nitrogen atoms; Quaternized amines
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3218—Alkanolamines or alkanolimines
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3245—Aminoacids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3254—Esters or carbonates thereof
-
- 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
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers
- H01L21/02074—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers the processing being a planarization of conductive layers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/22—Electronic devices, e.g. PCBs or semiconductors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Detergent Compositions (AREA)
Abstract
Description
비교 침액 시험 | |||||||
아민 | TMAH (중량%) | 아민 (중량%) | 아스코르브산 (중량%) | 갈산 (중량%) | 적정 알칼리도 (Meq./용액 g) | 상대 등급 | |
1 | MEA | 0.5 | 0.9 | 0.2 | - | 0.191 | 1 |
2 | MEA | 0.5 | 0.9 | 0.35 | - | 0.182 | 2 |
3 | MEA | 0.5 | 0.9 | - | 0.35 | 0.182 | 3 |
4 | NMEA | 0.5 | 0.9 | - | 0.35 | 0.154 | 4 |
5 | MEA | 0.5 | 0.9 | - | 0.1 | 0.196 | 5 |
6 | HA | 0.66 | 0.3 | - | 0.233 | 0.235 | 6 |
7 | HA | 0.66 | 0.6 | - | 0.233 | 0.284 | 7 |
8 | HA | 0.33 | 0.3 | - | 0.467 | 0.122 | 8 |
9 | HA | 0.33 | 0.6 | - | 0.467 | 0.171 | 9 |
10 | - | - | - | - | 0.485 | 10 | |
11 | - | - | - | - | NA | 11 |
부식 시험 데이터 | |||
조성물 | 기판 | 시험 방법 | 결과 |
Cu (ECD, 부분 연마) | AFM | RMS = 0.8 연마후 약간 파임 | |
용액 A | Cu (ECD, 부분 연마) | AFM | RMS = 1.0 최소로 파임, 최소 Cu 공격 |
용액 B | Cu (ECD, 부분 연마) | AFM | RMS = 1.1 최소로 파임, 최소 Cu 공격 |
용액 C | Cu (ECD, 부분 연마) | AFM | RMS = 3.4 약간 파임, 적당한 Cu 공격 |
용액 D | Cu (ECD, 부분 연마) | AFM | RMS = 3.5 약간 파임, 적당한 Cu 공격 |
용액 E | Cu (ECD, 부분 연마) | AFM | RMS = NA BTA 로 개질된 표면 |
용액 F | Cu (ECD, 부분 연마) | AFM | RMS = 1.3 최소로 파임, 약한 Cu 공격 |
용액 G | Cu (ECD, 부분 연마) | AFM | RMS = 3.8 약간 파임, 적당한 Cu 공격 |
* RMS = AFM 에 따른 평균 제곱근 조도 |
조성물 | A | B | C | D | E | F | G |
TMAH (중량%) | 0.5 | X | X | 0.5 | 0.5 | X | 0.5 |
MEA (중량%) | 0 | 0.9 | X | 0.9 | X | 0.9 | 0.9 |
아스코르브산 (중량%) | X | X | 0.35 | X | 0.35 | 0.35 | 0.35 |
물 (중량%) | 99.50 | 99.10 | 99.65 | 98.60 | 99.15 | 98.75 | 98.25 |
조성물 알칼리도 (Meq./용액 g) | 0.055 | 0.147 | -0.020 | 0.202 | 0.035 | 0.127 | 0.182 |
침액 시험 등급* | 3 | 5 | 5 | 3 | 5 | 5 | 1 |
* 1 = 양호, 3 = 보통 및 5 = 불량 |
농축 조성물 A | 농축 조성물 B | |||
농축물 (중량%) | 22 ℃ 에서의 에칭 속도 | 50 ℃ 에서의 에칭 속도 | 22 ℃ 에서의 에칭 속도 | 50 ℃ 에서의 에칭 속도 |
1.25 | 4.52 | 23.35 | 22.05 | 88.39 |
1.665 | 9.24 | 23.58 | 19.66 | 118.91 |
2.5 | 0.55 | 24.68 | 28.86 | 161.39 |
5 | 0.00 | 13.91 | 27.82 | 234.20 |
시이트 내성 변화 | ||
농축물 (중량%) | 농축 조성물 A | 농축 조성물 B |
12.5 | -0.0015 | 0.1742 |
50 | -0.0994 | 0.3307 |
Claims (16)
- 알킬이 C1 내지 C10 원자 중 하나 또는 C1 내지 C10 원자의 배합물을 함유하는 테트라알킬암모늄 히드록사이드로 이루어진 군에서 선택되는 4 차 암모늄 히드록사이드, 모노에탄올아민, 아미노에틸에탄올아민, N-메틸아미노에탄올, 아미노에톡시에탄올, 디에탄올아민, 트리에탄올아민, C2-C5 알칸올아민 및 이의 배합물로 이루어진 군에서 선택되는 극성 유기 아민 및 물을 포함하고, 구리-함유 집적 회로의 제조 중 화학적-기계적 연마 후 상기 구리-함유 집적 회로의 세정에 유용한 세정 용액.
- 제 1 항에 있어서, 부식 억제제 유효량을 추가로 포함하는 세정 용액.
- 제 2 항에 있어서, 부식 억제제가 아스코르브산 (비타민 C), L(+)-아스코르브산, 이소아스코르브산, 아스코르브산 유도체, 벤조트리아졸, 시트르산, 에틸렌디아민, 테트라아세트산 (EDTA), 갈산 및 이의 배합물로 이루어진 군에서 선택되는 세정 용액.
- 제 1 항에 있어서, 4 차 암모늄 히드록사이드가 테트라메틸암모늄 히드록사이드 (TMAH) 를 포함하는 세정 용액.
- 제 1 항에 있어서, 극성 유기 아민이 모노에탄올아민 (MEA) 를 포함하는 세정 용액.
- 제 1 항 또는 제 2 항에 있어서, 극성 유기 아민에 대한 4 차 암모늄 히드록사이드의 중량 퍼센트 비율이 1.8 인 세정 용액.
- 마이크로전자 기판을 세정하는 조건 하에, 알킬이 C1 내지 C10 원자 중 하나 또는 C1 내지 C10 원자의 배합물을 함유하는 테트라알킬암모늄 히드록사이드로 이루어진 군에서 선택되는 4 차 암모늄 히드록사이드, 모노에탄올아민, 아미노에틸에탄올아민, N-메틸아미노에탄올, 아미노에톡시에탄올, 디에탄올아민, 트리에탄올아민, C2-C5 알칸올아민 및 이의 배합물로 이루어진 군에서 선택되는 극성 유기 아민 및 물을 포함하는 세정 용액을, 상기 마이크로전자 기판에 접촉시키는 것을 포함하는 마이크로전자 기판 세정 방법.
- 제 7 항에 있어서, 마이크로전자 기판이 화학적-기계적 플래너화 (CMP) 공정 또는 바이어 형성 후 세정되는 방법.
- 제 7 항에 있어서, 마이크로전자 기판이 구리를 포함하는 방법.
- 제 7 항에 있어서, 상기 조건이 주위 내지 70 ℃ 범위의 온도를 포함하는 방법.
- 제 7 항에 있어서, 상기 세정 용액이 부식 억제제 유효량을 추가로 포함하는 방법.
- 제 11 항에 있어서, 4 차 암모늄 히드록사이드의 양이 0.05 내지 12.4 중량%인 방법.
- 제 11 항에 있어서, 극성 유기 아민의 양이 0.2 내지 27.8 중량%인 방법.
- 제 7 항 또는 제 11 항에 있어서, 용액의 알칼리도가 용액 1 g 당 염기 0.073 밀리당량 초과인 방법.
- 제 7 항 또는 제 11 항에 있어서, 4 차 암모늄 히드록사이드가 테트라메틸암모늄 히드록사이드 (TMAH) 를 포함하는 방법.
- 제 7 항 또는 제 11 항에 있어서, 극성 유기 아민이 모노에탄올아민 (MEA) 를 포함하는 방법.
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US09/587,883 | 2000-06-06 | ||
US09/587,883 US6492308B1 (en) | 1999-11-16 | 2000-06-06 | Post chemical-mechanical planarization (CMP) cleaning composition |
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KR1020027016692A KR100831180B1 (ko) | 2000-06-06 | 2001-06-06 | 포스트 화학적-기계적 플래너화 (cmp) 세정 조성물 |
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- 2001-06-06 KR KR1020077026381A patent/KR100831182B1/ko active IP Right Grant
- 2001-06-06 EP EP01942043A patent/EP1287550B1/en not_active Expired - Lifetime
- 2001-06-06 KR KR1020027016692A patent/KR100831180B1/ko active IP Right Grant
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JPH0726205A (ja) * | 1993-05-28 | 1995-01-27 | Herberts Gmbh | 乳化剤を含まないコーティング剤、その製造および使用 |
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TW574369B (en) | 2004-02-01 |
CN1205655C (zh) | 2005-06-08 |
EP1287550B1 (en) | 2010-03-24 |
ATE462198T1 (de) | 2010-04-15 |
JP2003536258A (ja) | 2003-12-02 |
KR20070114326A (ko) | 2007-11-30 |
JP4942275B2 (ja) | 2012-05-30 |
WO2001095381A2 (en) | 2001-12-13 |
WO2001095381A3 (en) | 2002-05-23 |
EP1287550A2 (en) | 2003-03-05 |
KR20030025238A (ko) | 2003-03-28 |
US6492308B1 (en) | 2002-12-10 |
KR100831180B1 (ko) | 2008-05-21 |
CN1433567A (zh) | 2003-07-30 |
DE60141629D1 (de) | 2010-05-06 |
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