KR20060043826A - 마이크로-스크래칭이 적고 금속 산화물의 기계적 연마가 잘되는 금속 cmp 슬러리 조성물 - Google Patents
마이크로-스크래칭이 적고 금속 산화물의 기계적 연마가 잘되는 금속 cmp 슬러리 조성물 Download PDFInfo
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- KR20060043826A KR20060043826A KR1020050020060A KR20050020060A KR20060043826A KR 20060043826 A KR20060043826 A KR 20060043826A KR 1020050020060 A KR1020050020060 A KR 1020050020060A KR 20050020060 A KR20050020060 A KR 20050020060A KR 20060043826 A KR20060043826 A KR 20060043826A
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- 239000000203 mixture Substances 0.000 title claims abstract description 73
- 239000002002 slurry Substances 0.000 title claims abstract description 66
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 title claims abstract description 46
- 238000006748 scratching Methods 0.000 title abstract description 5
- 229910044991 metal oxide Inorganic materials 0.000 title abstract description 4
- 150000004706 metal oxides Chemical class 0.000 title abstract description 4
- 238000005498 polishing Methods 0.000 claims abstract description 61
- 239000002243 precursor Substances 0.000 claims abstract description 38
- 239000004065 semiconductor Substances 0.000 claims abstract description 30
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000080 wetting agent Substances 0.000 claims abstract description 18
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical group OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 73
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 12
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052721 tungsten Inorganic materials 0.000 claims description 12
- 239000010937 tungsten Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 11
- 229910021641 deionized water Inorganic materials 0.000 claims description 11
- 239000003906 humectant Substances 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 10
- 239000003002 pH adjusting agent Substances 0.000 claims description 7
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 239000003082 abrasive agent Substances 0.000 claims description 6
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 6
- 235000011090 malic acid Nutrition 0.000 claims description 6
- 239000001630 malic acid Substances 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 150000007522 mineralic acids Chemical class 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000001932 seasonal effect Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 2
- 150000001735 carboxylic acids Chemical class 0.000 claims 2
- 239000000126 substance Substances 0.000 abstract description 17
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract description 2
- XNCSCQSQSGDGES-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]propyl-(carboxymethyl)amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)C(C)CN(CC(O)=O)CC(O)=O XNCSCQSQSGDGES-UHFFFAOYSA-N 0.000 abstract 1
- IERHLVCPSMICTF-XVFCMESISA-N CMP group Chemical group P(=O)(O)(O)OC[C@@H]1[C@H]([C@H]([C@@H](O1)N1C(=O)N=C(N)C=C1)O)O IERHLVCPSMICTF-XVFCMESISA-N 0.000 abstract 1
- 239000002738 chelating agent Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 51
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 239000007800 oxidant agent Substances 0.000 description 12
- -1 iron ions Chemical class 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 150000002978 peroxides Chemical class 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000003486 chemical etching Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910001337 iron nitride Inorganic materials 0.000 description 2
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- MTVMXNTVZNCVTH-UHFFFAOYSA-N ethane-1,2-diol;2-(2-hydroxyethoxy)ethanol Chemical compound OCCO.OCCOCCO MTVMXNTVZNCVTH-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- JDBBTVFYDZWUFI-UHFFFAOYSA-K iron(3+) trinitrite Chemical compound [Fe+3].[O-]N=O.[O-]N=O.[O-]N=O JDBBTVFYDZWUFI-UHFFFAOYSA-K 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007521 mechanical polishing technique Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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- 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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/14—Fillers; Abrasives ; Abrasive compositions; Suspending or absorbing agents not provided for in one single group of C11D3/12; Specific features concerning abrasives, e.g. granulometry or mixtures
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
-
- 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
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/06—Hydroxides
-
- 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
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/08—Acids
-
- 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
- C11D7/263—Ethers
-
- 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
-
- 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
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30625—With simultaneous mechanical treatment, e.g. mechanico-chemical polishing
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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
- H01L21/04—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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
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- 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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- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Materials Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
습윤제 | W 연마속도 (Å/min) | 스크래치 결함 (ea) | 리세션 (Å) | |
디에틸렌 글리콜 | 0.0g | 2,680 | 20 | 183 |
디에틸렌 글리콜 | 1.0g | 2,780 | 18 | 180 |
디에틸렌 글리콜 | 4.0g | 2,860 | 15 | 165 |
디에틸렌 글리콜 | 8.0g | 2,910 | 5 | 154 |
에틸렌 글리콜 | 4.0g | 2,800 | 14 | 159 |
에틸렌 글리콜 디에틸렌 글리콜 | 각각 4.0g | 2,850 | 8 | 150 |
구분 | 습윤제 | 정적 화학적 에칭 속도 (Å/min) | |
PDTA-Fe | 디에틸렌 글리콜 | 0.0g | 20 |
디에틸렌 글리콜 | 1.0g | 18 | |
디에틸렌 글리콜 | 4.0g | 14 | |
디에틸렌 글리콜 | 8.0g | 7 | |
에틸렌 글리콜 | 4.0g | 11 | |
에틸렌 글리콜 | 각각 4.0g | 9 | |
PDTA-Cr | 디에틸렌 글리콜 | 4.0g | 15 |
디에틸렌 글리콜 | 8.0g | 12 | |
질산화철 | 디에틸렌 글리콜 | 8.0g | 44 |
디에틸렌 글리콜 | 0.0g | 92 |
구분 | 방치 시간 (hr) | 디에틸렌글리콜 | W연마속도 ( Å/min) | Abrasive Mean Size (㎚) |
PDTA-Fe | 0 | 0.0g | 2,680 | 153 |
8.0g | 2,910 | 153 | ||
2 | 0.0g | 2,500 | 154 | |
8.0g | 2,880 | 153 | ||
6 | 0.0g | 2,480 | 156 | |
8.0g | 2,890 | 155 | ||
12 | 0.0g | 2,440 | 158 | |
8.0g | 2,930 | 154 | ||
24 | 0.0g | 2,410 | 158 | |
8.0g | 2,860 | 156 | ||
질산화철 | 0 | 0.0g | 3,050 | 167 |
8.0g | 3,000 | 166 | ||
24 | 0.0g | 2,120 | 192 | |
8.0g | 2,790 | 172 |
Claims (20)
- pH-조절제, 마모제, 금속-프로필렌디아민테트라아세테이트(M-PDTA) 착체, 습윤제 및 물을 함유하는 수성 혼합물(aqueous admixture)을 포함하는 반도체 기판 상의 금속층의 화학적-기계적 연마용 슬러리 전구체 조성물(slurry precursor composition).
- 제 1항에 있어서, 상기 수성 혼합물이 카르복실산을 추가로 포함하는 슬러리 전구체 조성물.
- 제 2항에 있어서, 상기 pH 조절제가 무기산 및 수산화물 가운데 적어도하나를 포함하는 슬러리 전구체 조성물.
- 제 1항에 있어서, 상기 습윤제가 디에틸렌 글리콜인 슬러리 전구체 조성물.
- 제 1항에 있어서, 상기 수성 혼합물 내의 상기 마모제의 함량이 8 중량%를 초과하는 슬러리 전구체 조성물.
- 제 5항에 있어서, 상기 수성 혼합물 내의 상기 습윤제의 함량이 약 0.4 중량%부터 약 1.2 중량%까지의 범위내인 슬러리 전구체 조성물.
- 제 6항에 있어서, 상기 수성 혼합물 내의 상기 M-PDTA의 함량이 약 0.1 중량%부터 약 0.8 중량%까지의 범위내인 슬러리 전구체 조성물.
- 제 1항에 있어서, 상기 수성 혼합물 내의 상기 습윤제의 함량이 약 0.4 중량%부터 약 1.2 중량%까지의 범위내인 슬러리 전구체 조성물.
- 제 1항에 있어서, 상기 수성 혼합물 내의 상기 M-PDTA의 함량이 약 0.1 중량%부터 약 0.8 중량%까지의 범위내인 슬러리 전구체 조성물.
- pH-조절제, 8중량%를 초과하는 양의 마모제, 약 0.1중량%부터 약 0.8 중량%까지의 범위내의 양의 금속-프로필렌디아민테트라아세테이트(M-PDTA) 착체, 약 0.4중량%부터 약 1.2 중량%까지의 범위내의 양의 습윤제 및 탈이온수를 함유하는 수성 혼합물(aqueous admixture)을 포함하는 반도체 기판 상의 금속층의 화학적-기계적 연마용 슬러리 전구체 조성물(slurry precursor composition).
- 제 10항에 있어서, 상기 수성 혼합물이 카르복실산을 추가로 포함하는 슬러리 전구체 조성물.
- 제 10항에 있어서, 상기 pH 조절제가 무기산 및 수산화물 가운데 적어도 하 나를 포함하는 슬러리 전구체 조성물.
- 제 10항에 있어서, 상기 습윤제가 디에틸렌 글리콜인 슬러리 전구체 조성물.
- 제 12항에 있어서, 상기 습윤제가 디에틸렌 글리콜인 슬러리 전구체 조성물.
- 약 0.4 중량%부터 약 0.8 중량% 까지의 양의 수산화칼륨, 질산, 말산, 8중량%를 초과하는 양의 실리카 마모제, 약 0.1중량%부터 약 0.8 중량%까지의 범위내의 양의 Fe-PDTA 착체, 약 0.4중량%부터 약 1.2 중량%까지의 범위내의 양의 디에틸렌 글리콜 및 탈이온수를 함유하는 수성 혼합물(aqueous admixture)을 포함하는 반도체 기판 상의 금속층의 화학적-기계적 연마용 슬러리 전구체 조성물(slurry precursor composition).
- 과산화수소, 적어도 하나의 pH 조절제, 8중량%를 초과하는 양의 마모제, 약 0.1중량%부터 약 0.8 중량%까지의 범위내의 양의 Fe-PDTA 착체, 약 0.4중량%부터 약 1.2 중량%까지의 범위내의 양의 습윤제 및 탈이온수를 포함하는 반도체 기판 상의 금속층의 화학적-기계적 연마용 슬러리 조성물(slurry precursor composition).
- 제 16항에 있어서, 상기 습윤제가 디에틸렌 글리콜을 포함하는 슬러리 조성물.
- 제 16항에 있어서, 상기 과산화수소가 슬러리 조성물이 실온에서 텅스텐 금속 층에 노출될 때, 약 5Å/min부터 약 15Å/min까지의 범위의 정적 습식 에칭율(static wet etch rate)을 달성하는데 충분한 양으로 제공되는 슬러리 조성물.
- 다음 단계를 포함하는 집적 회로의 제조 방법:반도체 웨이퍼의 표면상에 전기 절연층을 형성하는 단계;상기 절기 절연층에 복수의 컨택트 홀을 형성하는 단계;전기절연층 상에 그리고 복수의 컨택트 홀 내로 신장하는 텅스텐 금속층을 증착하는 단계;과산화수소, 8중량%를 초과하는 양의 마모제, 약 0.1중량%부터 약 0.8중량%까지의 범위 내의 양의 Fe-PDTA, 약 0.4중량%부터 약 1.2중량%의 범위 내의 양의 습윤제 및 탈이온수를 포함하는 슬러리 조성물을 이용하여 텅스텐 금속층을 연마하는 단계.
- 제 19항에 있어서, 상기 연마 단계에 이어 다음 단계들을 수해하는 방법;전기절연층을 세정액에 노출시키는 단계; 및반도체 웨이퍼를 복수의 반도체 칩들로 다이싱하는 단계.
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US6689258B1 (en) * | 2002-04-30 | 2004-02-10 | Advanced Micro Devices, Inc. | Electrochemically generated reactants for chemical mechanical planarization |
US7677956B2 (en) * | 2002-05-10 | 2010-03-16 | Cabot Microelectronics Corporation | Compositions and methods for dielectric CMP |
US7087187B2 (en) * | 2002-06-06 | 2006-08-08 | Grumbine Steven K | Meta oxide coated carbon black for CMP |
US6604987B1 (en) * | 2002-06-06 | 2003-08-12 | Cabot Microelectronics Corporation | CMP compositions containing silver salts |
US6936543B2 (en) | 2002-06-07 | 2005-08-30 | Cabot Microelectronics Corporation | CMP method utilizing amphiphilic nonionic surfactants |
US7435165B2 (en) * | 2002-10-28 | 2008-10-14 | Cabot Microelectronics Corporation | Transparent microporous materials for CMP |
DE10304894B4 (de) * | 2003-02-06 | 2004-07-22 | Siltronic Ag | Poliermittel und Polierverfahren mit diesem Poliermittel |
US6869336B1 (en) * | 2003-09-18 | 2005-03-22 | Novellus Systems, Inc. | Methods and compositions for chemical mechanical planarization of ruthenium |
-
2004
- 2004-10-06 US US10/959,228 patent/US6953389B2/en not_active Expired - Lifetime
-
2005
- 2005-03-10 KR KR1020050020060A patent/KR100680509B1/ko active IP Right Grant
- 2005-06-05 IL IL169006A patent/IL169006A/en unknown
- 2005-06-08 TW TW094118917A patent/TWI281188B/zh active
- 2005-06-09 US US11/148,670 patent/US7452815B2/en not_active Expired - Lifetime
- 2005-06-11 EP EP05012588A patent/EP1645606B1/en active Active
- 2005-06-11 DE DE602005001748T patent/DE602005001748T2/de active Active
- 2005-06-14 JP JP2005173346A patent/JP4220983B2/ja active Active
- 2005-06-16 MY MYPI20052739A patent/MY140094A/en unknown
- 2005-06-16 SG SG200503871A patent/SG121931A1/en unknown
- 2005-06-17 CN CNB2005100790078A patent/CN100374527C/zh active Active
Also Published As
Publication number | Publication date |
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JP4220983B2 (ja) | 2009-02-04 |
SG121931A1 (en) | 2006-05-26 |
MY140094A (en) | 2009-11-30 |
DE602005001748D1 (de) | 2007-09-06 |
KR100680509B1 (ko) | 2007-02-08 |
JP2006108628A (ja) | 2006-04-20 |
EP1645606B1 (en) | 2007-07-25 |
CN100374527C (zh) | 2008-03-12 |
CN1757699A (zh) | 2006-04-12 |
TW200612465A (en) | 2006-04-16 |
TWI281188B (en) | 2007-05-11 |
IL169006A (en) | 2010-11-30 |
DE602005001748T2 (de) | 2008-04-10 |
EP1645606A1 (en) | 2006-04-12 |
US6953389B2 (en) | 2005-10-11 |
US20050227491A1 (en) | 2005-10-13 |
US7452815B2 (en) | 2008-11-18 |
US20050062016A1 (en) | 2005-03-24 |
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