JP5144516B2 - 砥材を有しない研磨システム - Google Patents
砥材を有しない研磨システム Download PDFInfo
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- JP5144516B2 JP5144516B2 JP2008526997A JP2008526997A JP5144516B2 JP 5144516 B2 JP5144516 B2 JP 5144516B2 JP 2008526997 A JP2008526997 A JP 2008526997A JP 2008526997 A JP2008526997 A JP 2008526997A JP 5144516 B2 JP5144516 B2 JP 5144516B2
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- Prior art keywords
- polishing
- polishing system
- substrate
- potassium
- water
- Prior art date
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- 238000005498 polishing Methods 0.000 title claims abstract description 165
- 239000003082 abrasive agent Substances 0.000 title description 4
- 239000000758 substrate Substances 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 29
- -1 silicate compound Chemical class 0.000 claims abstract description 29
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 26
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007800 oxidant agent Substances 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 9
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 28
- 235000019353 potassium silicate Nutrition 0.000 claims description 28
- 239000004111 Potassium silicate Substances 0.000 claims description 27
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 27
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 22
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 13
- 229910001424 calcium ion Inorganic materials 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 7
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 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 claims description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 3
- 239000011609 ammonium molybdate Substances 0.000 claims description 3
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 3
- 229940010552 ammonium molybdate Drugs 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- JLKDVMWYMMLWTI-UHFFFAOYSA-M potassium iodate Chemical compound [K+].[O-]I(=O)=O JLKDVMWYMMLWTI-UHFFFAOYSA-M 0.000 claims description 3
- 239000001230 potassium iodate Substances 0.000 claims description 3
- 235000006666 potassium iodate Nutrition 0.000 claims description 3
- 229940093930 potassium iodate Drugs 0.000 claims description 3
- 239000004323 potassium nitrate Substances 0.000 claims description 3
- 235000010333 potassium nitrate Nutrition 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- OKBMCNHOEMXPTM-UHFFFAOYSA-M potassium peroxymonosulfate Chemical compound [K+].OOS([O-])(=O)=O OKBMCNHOEMXPTM-UHFFFAOYSA-M 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 29
- 238000002156 mixing Methods 0.000 description 22
- 239000000203 mixture Substances 0.000 description 18
- 239000000377 silicon dioxide Substances 0.000 description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 10
- 235000012239 silicon dioxide Nutrition 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 239000002253 acid Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- 239000002518 antifoaming agent Substances 0.000 description 6
- 238000007517 polishing process Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 5
- 230000003115 biocidal effect Effects 0.000 description 5
- 239000003139 biocide Substances 0.000 description 5
- 239000000499 gel Substances 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 5
- 239000004115 Sodium Silicate Substances 0.000 description 4
- 239000000872 buffer Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- 229910052911 sodium silicate Inorganic materials 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000001110 calcium chloride Substances 0.000 description 3
- 229910001628 calcium chloride Inorganic materials 0.000 description 3
- 239000000017 hydrogel Substances 0.000 description 3
- 238000001027 hydrothermal synthesis Methods 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000005368 silicate glass Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910021485 fumed silica Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000006174 pH buffer Substances 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RLQWHDODQVOVKU-UHFFFAOYSA-N tetrapotassium;silicate Chemical compound [K+].[K+].[K+].[K+].[O-][Si]([O-])([O-])[O-] RLQWHDODQVOVKU-UHFFFAOYSA-N 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229920001448 anionic polyelectrolyte Polymers 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 239000006172 buffering agent Substances 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- CIYRLONPFMPRLH-UHFFFAOYSA-N copper tantalum Chemical compound [Cu].[Ta] CIYRLONPFMPRLH-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000006254 rheological additive Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- 235000019794 sodium silicate Nutrition 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01L21/31—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]
-
- 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
- C09G1/04—Aqueous dispersions
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (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)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
この実施例は、本発明の研磨システムを使用して観察された、ケイ酸カリウムの濃度を増加させたときの、タンタル層の除去速度に対する影響を説明するものである。
この実施例は、本発明の研磨システムを使用して観察された、添加されたカルシウムイオンの存在においてケイ酸カリウムの濃度を増加させたときの、タンタル層の除去速度に対する影響を説明するものである。
Claims (12)
- タンタルを含む基板を研磨するための化学的機械的研磨システムであって、
(a)一般式:M 2 O・mSiO 2 によって表されるケイ酸カリウム(式中、Mはカリウムであり、mはゼロでない正の数である)である水溶性シリケート化合物、
(b)基板の少なくとも一部を酸化する酸化剤、
(c)水、及び
(d)研磨パッド
を含み、そして該研磨システムが砥材粒子を有していないことを特徴とする化学的機械的研磨システム。 - 前記ケイ酸カリウムが2.8〜3.9のSiO2:K2Oモル比を有している、請求項1に記載の研磨システム。
- 前記酸化剤が、過酸化水素、ヨウ素酸カリウム、過マンガン酸カリウム、過硫酸アンモニウム、水素ペルオキシ一硫酸硫酸カリウム、モリブデン酸アンモニウム、硝酸第二鉄、硝酸カリウム及びそれらの組み合わせからなる群から選ばれる、請求項1又は2に記載の研磨システム。
- 9もしくはそれ以上のpHを有している、請求項1〜3のいずれか1項に記載の研磨システム。
- 4もしくはそれ未満のpHを有している、請求項1〜3のいずれか1項に記載の研磨システム。
- 1〜50ppmのカルシウムイオンをさらに含んでいる、請求項1〜5のいずれか1項に記載の研磨システム。
- (i)タンタルを含む基板に、
(a)一般式:M 2 O・mSiO 2 によって表されるケイ酸カリウム(式中、Mはカリウムであり、mはゼロでない正の数である)である水溶性シリケート化合物、
(b)基板の少なくとも一部を酸化する酸化剤、
(c)水、及び
(d)研磨パッド
を含み、そして砥材粒子を有していない研磨システムを接触させること、
(ii)前記研磨パッドを前記基板に関して移動させること、及び
(iii)前記基板の少なくとも一部を砥磨して前記基板を研磨すること
を含む、基板を研磨する方法。 - 前記ケイ酸カリウムが2.8〜3.9のSiO2:K2Oモル比を有している、請求項7に記載の方法。
- 前記酸化剤が、過酸化水素、ヨウ素酸カリウム、過マンガン酸カリウム、過硫酸アンモニウム、水素ペルオキシ一硫酸硫酸カリウム、モリブデン酸アンモニウム、硝酸第二鉄、硝酸カリウム及びそれらの組み合わせからなる群から選ばれる、請求項7又は8に記載の方法。
- 前記研磨システムが9もしくはそれ以上のpHを有している、請求項7〜9のいずれか1項に記載の方法。
- 前記研磨システムが4もしくはそれ未満のpHを有している、請求項7〜9のいずれか1項に記載の方法。
- 前記研磨システムが1〜50ppmのカルシウムイオンをさらに含んでいる、請求項7〜11のいずれか1項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/205,428 | 2005-08-17 | ||
US11/205,428 US20070039926A1 (en) | 2005-08-17 | 2005-08-17 | Abrasive-free polishing system |
PCT/US2006/030982 WO2007021716A2 (en) | 2005-08-17 | 2006-08-09 | Abrasive-free polishing system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009505423A JP2009505423A (ja) | 2009-02-05 |
JP2009505423A5 JP2009505423A5 (ja) | 2009-09-17 |
JP5144516B2 true JP5144516B2 (ja) | 2013-02-13 |
Family
ID=37499371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008526997A Expired - Fee Related JP5144516B2 (ja) | 2005-08-17 | 2006-08-09 | 砥材を有しない研磨システム |
Country Status (11)
Country | Link |
---|---|
US (1) | US20070039926A1 (ja) |
EP (1) | EP1924666B1 (ja) |
JP (1) | JP5144516B2 (ja) |
KR (1) | KR101109334B1 (ja) |
CN (1) | CN101263209B (ja) |
AT (1) | ATE528364T1 (ja) |
IL (1) | IL189504A (ja) |
MY (1) | MY146300A (ja) |
SG (1) | SG178632A1 (ja) |
TW (1) | TWI343296B (ja) |
WO (1) | WO2007021716A2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070117497A1 (en) * | 2005-11-22 | 2007-05-24 | Cabot Microelectronics Corporation | Friction reducing aid for CMP |
CN101333419B (zh) * | 2008-08-05 | 2011-06-29 | 清华大学 | 一种集成电路铜布线的无磨粒化学机械抛光液 |
DE112012001891B4 (de) * | 2011-04-26 | 2016-09-15 | Asahi Glass Company, Limited | Verfahren zum Polieren eines nicht-Oxid-Einkristallsubstrats |
KR20140076566A (ko) | 2011-10-07 | 2014-06-20 | 아사히 가라스 가부시키가이샤 | 탄화규소 단결정 기판 및 연마액 |
JP7125386B2 (ja) | 2017-03-23 | 2022-08-24 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
JP7361204B2 (ja) * | 2019-08-30 | 2023-10-13 | サン-ゴバン セラミックス アンド プラスティクス,インコーポレイティド | 材料除去作業を行うための流体組成物及び方法 |
WO2021041694A1 (en) | 2019-08-30 | 2021-03-04 | Saint-Gobain Ceramics & Plastics, Inc. | Composition and method for conducting a material removing operation |
US20240117220A1 (en) * | 2022-10-11 | 2024-04-11 | Cmc Materials Llc | Chemical-mechanical polishing composition for heavily-doped boron silicon films |
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US4277355A (en) * | 1979-09-28 | 1981-07-07 | Alexander Farcnik | Insulative fireproof textured coating |
US5352277A (en) * | 1988-12-12 | 1994-10-04 | E. I. Du Pont De Nemours & Company | Final polishing composition |
MY133700A (en) * | 1996-05-15 | 2007-11-30 | Kobe Steel Ltd | Polishing fluid composition and polishing method |
JPH09306881A (ja) * | 1996-05-15 | 1997-11-28 | Kobe Steel Ltd | シリコン用研磨液組成物および研磨方法 |
US20040134873A1 (en) * | 1996-07-25 | 2004-07-15 | Li Yao | Abrasive-free chemical mechanical polishing composition and polishing process containing same |
SG54606A1 (en) * | 1996-12-05 | 1998-11-16 | Fujimi Inc | Polishing composition |
US6276996B1 (en) * | 1998-11-10 | 2001-08-21 | Micron Technology, Inc. | Copper chemical-mechanical polishing process using a fixed abrasive polishing pad and a copper layer chemical-mechanical polishing solution specifically adapted for chemical-mechanical polishing with a fixed abrasive pad |
US6429133B1 (en) * | 1999-08-31 | 2002-08-06 | Micron Technology, Inc. | Composition compatible with aluminum planarization and methods therefore |
JP2003509855A (ja) * | 1999-09-15 | 2003-03-11 | ロデール ホールディングス インコーポレイテッド | 化学機械研磨中に不溶性ケイ酸塩を形成するためのスラリー |
JP2001144042A (ja) * | 1999-11-11 | 2001-05-25 | Hitachi Chem Co Ltd | 金属研磨方法 |
US6551935B1 (en) * | 2000-08-31 | 2003-04-22 | Micron Technology, Inc. | Slurry for use in polishing semiconductor device conductive structures that include copper and tungsten and polishing methods |
US6602117B1 (en) * | 2000-08-30 | 2003-08-05 | Micron Technology, Inc. | Slurry for use with fixed-abrasive polishing pads in polishing semiconductor device conductive structures that include copper and tungsten and polishing methods |
US6709316B1 (en) * | 2000-10-27 | 2004-03-23 | Applied Materials, Inc. | Method and apparatus for two-step barrier layer polishing |
US6800218B2 (en) * | 2001-08-23 | 2004-10-05 | Advanced Technology Materials, Inc. | Abrasive free formulations for chemical mechanical polishing of copper and associated materials and method of using same |
US20030189186A1 (en) * | 2002-03-29 | 2003-10-09 | Everlight Usa, Inc. | Chemical-mechanical polishing composition for metal layers |
US6974777B2 (en) * | 2002-06-07 | 2005-12-13 | Cabot Microelectronics Corporation | CMP compositions for low-k dielectric materials |
JP4152218B2 (ja) * | 2003-02-25 | 2008-09-17 | Necエレクトロニクス株式会社 | 化学的機械的研磨用スラリー |
JP2004276219A (ja) * | 2003-03-18 | 2004-10-07 | Ebara Corp | 電解加工液、電解加工装置及び配線加工方法 |
US7485241B2 (en) * | 2003-09-11 | 2009-02-03 | Cabot Microelectronics Corporation | Chemical-mechanical polishing composition and method for using the same |
-
2005
- 2005-08-17 US US11/205,428 patent/US20070039926A1/en not_active Abandoned
-
2006
- 2006-08-09 CN CN200680033516XA patent/CN101263209B/zh not_active Expired - Fee Related
- 2006-08-09 AT AT06813337T patent/ATE528364T1/de not_active IP Right Cessation
- 2006-08-09 EP EP06813337A patent/EP1924666B1/en not_active Not-in-force
- 2006-08-09 WO PCT/US2006/030982 patent/WO2007021716A2/en active Application Filing
- 2006-08-09 SG SG2010059459A patent/SG178632A1/en unknown
- 2006-08-09 KR KR1020087006318A patent/KR101109334B1/ko not_active IP Right Cessation
- 2006-08-09 JP JP2008526997A patent/JP5144516B2/ja not_active Expired - Fee Related
- 2006-08-15 MY MYPI20063944A patent/MY146300A/en unknown
- 2006-08-17 TW TW095130290A patent/TWI343296B/zh not_active IP Right Cessation
-
2008
- 2008-02-13 IL IL189504A patent/IL189504A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN101263209B (zh) | 2011-07-13 |
EP1924666A2 (en) | 2008-05-28 |
KR101109334B1 (ko) | 2012-01-31 |
WO2007021716A3 (en) | 2007-06-07 |
SG178632A1 (en) | 2012-03-29 |
CN101263209A (zh) | 2008-09-10 |
IL189504A (en) | 2012-12-31 |
US20070039926A1 (en) | 2007-02-22 |
KR20080035699A (ko) | 2008-04-23 |
ATE528364T1 (de) | 2011-10-15 |
EP1924666B1 (en) | 2011-10-12 |
JP2009505423A (ja) | 2009-02-05 |
IL189504A0 (en) | 2008-08-07 |
TW200730298A (en) | 2007-08-16 |
TWI343296B (en) | 2011-06-11 |
WO2007021716A2 (en) | 2007-02-22 |
MY146300A (en) | 2012-07-31 |
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