JP5449248B2 - 化学的機械的研磨組成物 - Google Patents
化学的機械的研磨組成物 Download PDFInfo
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- JP5449248B2 JP5449248B2 JP2011095184A JP2011095184A JP5449248B2 JP 5449248 B2 JP5449248 B2 JP 5449248B2 JP 2011095184 A JP2011095184 A JP 2011095184A JP 2011095184 A JP2011095184 A JP 2011095184A JP 5449248 B2 JP5449248 B2 JP 5449248B2
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- polishing
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- 238000005498 polishing Methods 0.000 title claims description 298
- 239000000203 mixture Substances 0.000 title claims description 284
- 239000000126 substance Substances 0.000 title claims description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 97
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 48
- 239000011575 calcium Substances 0.000 claims description 48
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 40
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 39
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 39
- 229910052791 calcium Inorganic materials 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 32
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 27
- 239000007800 oxidant agent Substances 0.000 claims description 26
- 229910052712 strontium Inorganic materials 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 230000001590 oxidative effect Effects 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 10
- 235000011054 acetic acid Nutrition 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 7
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 6
- 239000012964 benzotriazole Substances 0.000 claims description 6
- 239000002738 chelating agent Substances 0.000 claims description 6
- 239000008139 complexing agent Substances 0.000 claims description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 4
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 claims description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 3
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 claims description 2
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 claims description 2
- 239000005711 Benzoic acid Substances 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 235000010233 benzoic acid Nutrition 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical class O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- 239000001630 malic acid Substances 0.000 claims description 2
- 235000011090 malic acid Nutrition 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- QWENRTYMTSOGBR-UHFFFAOYSA-N 1H-1,2,3-Triazole Chemical compound C=1C=NNN=1 QWENRTYMTSOGBR-UHFFFAOYSA-N 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 85
- 239000002245 particle Substances 0.000 description 51
- 229910052715 tantalum Inorganic materials 0.000 description 38
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 38
- 229910052751 metal Inorganic materials 0.000 description 33
- 239000002184 metal Substances 0.000 description 33
- 229910021485 fumed silica Inorganic materials 0.000 description 29
- 238000000034 method Methods 0.000 description 25
- 229910001424 calcium ion Inorganic materials 0.000 description 22
- 239000008119 colloidal silica Substances 0.000 description 22
- 239000010410 layer Substances 0.000 description 21
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 20
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 15
- 229910001422 barium ion Inorganic materials 0.000 description 15
- 229910001427 strontium ion Inorganic materials 0.000 description 15
- 229910052788 barium Inorganic materials 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 14
- 230000004888 barrier function Effects 0.000 description 13
- 239000000377 silicon dioxide Substances 0.000 description 12
- 239000010936 titanium Substances 0.000 description 12
- 150000003839 salts Chemical class 0.000 description 10
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 9
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 8
- 238000007517 polishing process Methods 0.000 description 8
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 238000007792 addition Methods 0.000 description 7
- 239000000654 additive Substances 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- -1 potassium ferricyanide Chemical compound 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 239000002518 antifoaming agent Substances 0.000 description 6
- 239000001110 calcium chloride Substances 0.000 description 6
- 229910001628 calcium chloride Inorganic materials 0.000 description 6
- 230000037303 wrinkles Effects 0.000 description 6
- 230000003115 biocidal effect Effects 0.000 description 5
- 239000003139 biocide Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 239000002736 nonionic surfactant Substances 0.000 description 4
- 239000003002 pH adjusting agent Substances 0.000 description 4
- LLYCMZGLHLKPPU-UHFFFAOYSA-M perbromate Chemical compound [O-]Br(=O)(=O)=O LLYCMZGLHLKPPU-UHFFFAOYSA-M 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003082 abrasive agent Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 150000007522 mineralic acids Chemical class 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 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 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
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- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
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- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
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- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
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- 125000000524 functional group Chemical group 0.000 description 2
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
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- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 2
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
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- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
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- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- 125000001399 1,2,3-triazolyl group Chemical group N1N=NC(=C1)* 0.000 description 1
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- 125000004070 6 membered heterocyclic group Chemical group 0.000 description 1
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
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- 150000001450 anions Chemical class 0.000 description 1
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
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- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
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- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
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- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- QLBHNVFOQLIYTH-UHFFFAOYSA-L dipotassium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [K+].[K+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O QLBHNVFOQLIYTH-UHFFFAOYSA-L 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 229940009662 edetate Drugs 0.000 description 1
- 125000003916 ethylene diamine group Chemical group 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229940074391 gallic acid Drugs 0.000 description 1
- 235000004515 gallic acid Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229940050410 gluconate Drugs 0.000 description 1
- 229960002449 glycine Drugs 0.000 description 1
- 235000013905 glycine and its sodium salt Nutrition 0.000 description 1
- QFWPJPIVLCBXFJ-UHFFFAOYSA-N glymidine Chemical compound N1=CC(OCCOC)=CN=C1NS(=O)(=O)C1=CC=CC=C1 QFWPJPIVLCBXFJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- PEYVWSJAZONVQK-UHFFFAOYSA-N hydroperoxy(oxo)borane Chemical compound OOB=O PEYVWSJAZONVQK-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- ICIWUVCWSCSTAQ-UHFFFAOYSA-N iodic acid Chemical class OI(=O)=O ICIWUVCWSCSTAQ-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical class [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 description 1
- 229940001447 lactate Drugs 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- UPXYJUPSYMBDCO-UHFFFAOYSA-L magnesium;diacetate;hydrate Chemical compound O.[Mg+2].CC([O-])=O.CC([O-])=O UPXYJUPSYMBDCO-UHFFFAOYSA-L 0.000 description 1
- 229940049920 malate Drugs 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000002894 organic compounds Chemical group 0.000 description 1
- 239000012285 osmium tetroxide Substances 0.000 description 1
- 229910000489 osmium tetroxide Inorganic materials 0.000 description 1
- 239000006179 pH buffering agent Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- KHIWWQKSHDUIBK-UHFFFAOYSA-N periodic acid Chemical compound OI(=O)(=O)=O KHIWWQKSHDUIBK-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- IWZKICVEHNUQTL-UHFFFAOYSA-M potassium hydrogen phthalate Chemical compound [K+].OC(=O)C1=CC=CC=C1C([O-])=O IWZKICVEHNUQTL-UHFFFAOYSA-M 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910001631 strontium chloride Inorganic materials 0.000 description 1
- AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical compound [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical class OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 229940033123 tannic acid Drugs 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- UXRMCZYAVOHQNB-UHFFFAOYSA-J zirconium(4+);disulfate;hydrate Chemical compound O.[Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O UXRMCZYAVOHQNB-UHFFFAOYSA-J 0.000 description 1
Classifications
-
- 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
-
- 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
- C09K3/1409—Abrasive particles per se
-
- 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
- C09K3/1463—Aqueous liquid suspensions
-
- 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]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
この例は、本発明の研磨組成物により示される研磨速度の上昇を示している。タンタルを含んでなる類似の基板を、7種の異なる研磨組成物で研磨した(研磨組成物1A、1B、1C、1D、1E、1Fおよび1G)。研磨組成物1A(本発明)は、研磨組成物の全重量に対し、キログラムあたり約0.50ミリモル(ミリモル/kg)(およそ20ppm)のカルシウム(塩化カルシウムとして)を含んでいた。研磨組成物1B(比較例)は測定可能な量の金属イオンを含んでいなかった。研磨組成物1C(比較例)は、約7.41ミリモル/kg(およそ200ppm)のアルミニウム(硫酸アルミニウム18水和物として)を含んでいた。研磨組成物1D(比較例)は、約0.82ミリモル/kg(およそ20ppm)のマグネシウム(酢酸マグネシウム水和物として)を含んでいた。研磨組成物1E(比較例)は、約1.04ミリモル/kg(およそ50ppm)のチタン(三塩化チタンとして)を含んでいた。研磨組成物1F(比較例)は、約0.33ミリモル/kg(およそ30ppm)のジルコニウム(硫酸ジルコニウム水和物として)を含んでいた。研磨組成物1G(比較例)は、約0.54ミリモル/kg(およそ30ppm)の鉄(硫酸鉄として)を含んでいた。上記の研磨組成物のそれぞれは、約6wt%のヒュームドシリカ、約3wt%の過酸化水素、約0.3wt%の酢酸および約0.2wt%のベンゾトリアゾールも含んでおり、酸化剤の添加前のpHは約10であった。タンタル除去速度の値(分あたりのÅ)を各研磨組成物に対して測定した。結果を表1にまとめて示す。
この例は、本発明の研磨組成物により示される研磨速度の上昇を示す。タンタルを含んでなる類似の基板を、6種の異なる研磨組成物(研磨組成物2A、2B、2C、2D、2Eおよび2F)で研磨した。研磨組成物2A(比較例)は、測定可能な量のカルシウム、ストロンチウムまたはバリウムイオンを含んでいなかった。研磨組成物2B−2E(本発明)は、研磨組成物の全重量に対し、それぞれキログラムあたり0.125、0.249、0.499、1.247および2.494ミリモル(ミリモル/kg)のカルシウム(塩化カルシウムとして)を含んでいた。上記の研磨組成物のそれぞれは、約6wt%のヒュームドシリカ、約3wt%の過酸化水素、約0.3wt%の酢酸および約0.2wt%のベンゾトリアゾールも含んでおり、酸化剤の添加前のpHは約10であった。タンタル除去速度の値(分あたりのÅ)を各研磨組成物に対して測定し、同時に研磨後の各基板の面内不均一性(WIWNU)も測定した。結果を表2にまとめて示す。
この例は、本発明の研磨組成物により示される研磨速度の上昇を示す。タンタルを含んでなる類似の基板を、3種の異なる研磨組成物(研磨組成物3A、3Bおよび3C)で研磨した。研磨組成物3Aおよび3B(比較例)は、測定可能な量のカルシウム、ストロンチウムまたはバリウムイオンを含んでいなかった。研磨組成物3C(本発明)は、研磨組成物の全重量に対し、キログラムあたり1.0ミリモル(ミリモル/kg)のカルシウム(塩化カルシウムとして)を含んでいた。研磨組成物3Bおよび3Cは、約0.3wt%の酢酸をさらに含んでいた。上記の研磨組成物のそれぞれは、約6wt%のヒュームドシリカ、約3wt%の過酸化水素および約0.2wt%のベンゾトリアゾールも含んでおり、酸化剤の添加前のpHは約10であった。タンタル除去速度の値(分あたりのÅ)を各研磨組成物に対して測定し、同時に研磨後の各基板の面内不均一性(WIWNU)も測定した。結果を表3にまとめて示す。
この例は、本発明の研磨組成物により示される研磨速度の上昇を表している。タンタルを含んでなる類似の基板を、6種の異なる研磨組成物(研磨組成物4A、4B、4C、4D、4Eおよび4F)により研磨した。研磨組成物4A(比較例)は、測定可能な量のカルシウム、ストロンチウムまたはバリウムイオンを含まなかった。研磨組成物4B、4Cおよび4D(本発明)は、それぞれ、研磨組成物の全重量に対し、キログラムあたり1.0ミリモル(ミリモル/kg)のカルシウム(塩化カルシウムとして)を含んでいた。研磨組成物4E(本発明)は、研磨組成物の全重量に対し、0.46ミリモル/kgのストロンチウム(塩化ストロンチウムとして)を含んでいた。研磨組成物4F(本発明)は、研磨組成物の全重量に対し、0.29ミリモル/kgのバリウム(水酸化バリウムとして)を含んでいた。研磨組成物4Aおよび4Bは、それぞれ、約6wt%の市販のヒュームドシリカ(Aerosil(登録商標)90ヒュームドシリカ、Degussa AG)を含み、研磨組成物4C−4Fは、それぞれ、約6wt%の異なる市販のヒュームドシリカ(Cab−O−Sil(登録商標)L−90ヒュームドシリカ、Cabot Corporation)を含んでいた。研磨組成物4Dは、非イオン界面活性剤(Igepal(登録商標)CO−890、BASF Corporation)をさらに含んでいた。上記の研磨組成物のそれぞれは、約3wt%の過酸化水素、約0.3wt%の酢酸および約0.1wt%のベンゾトリアゾールも含んでいた。酸化剤の添加前に、研磨組成物のそれぞれは、約10のpHを示したが、研磨組成物4Cは約9のpHを示した。タンタル除去速度の値(分あたりのÅ)を研磨組成物のそれぞれに対し測定し、研磨後の各基板の面内不均一性(WIWNU)も測定した。結果を表4にまとめて示す。
この例は、コロイダルシリカ研磨剤を含むスラリー中の本発明の研磨組成物により示される研磨速度の上昇を表す。タンタルを含んでなる類似の基板を、18種の異なる研磨組成物(研磨組成物1A−1T)を用いて研磨した。研磨組成物1A、1C、1E、1G、1J、1L、1N、1Qおよび1S(本発明)は、研磨組成物の全重量に対し、キログラムあたり約0.50ミリモル(ミリモル/kg)(およそ20ppm)の添加されたカルシウム(塩化カルシウムとして)を含んでいた。研磨組成物1B、1D、1F、1H、1K、1M、1P、1Rおよび1T(比較例)は添加されたカルシウムイオンを含んでいなかった。上記の研磨組成物のそれぞれは、約6wt%のコロイダルシリカ、約3wt%の過酸化水素および約0.3wt%の酢酸も含んでおり、酸化剤添加前のpHは約10であった。組成物1Aおよび1Bに存在するシリカ粒子は、およそ2.6nmの平均粒径を有していた。組成物1Cおよび1Dに存在するシリカ粒子は、およそ4nmの平均粒径を有していた。組成物1Eおよび1Fに存在するシリカ粒子は、およそ8.8nmの平均粒径を有していた。組成物1Gおよび1Hに存在するシリカ粒子は、およそ15nmの平均粒径を有していた。組成物1Jおよび1Kに存在するシリカ粒子は、およそ21nmの平均粒径を有していた。組成物1Lおよび1Mに存在するシリカ粒子は、およそ25nmの平均粒径を有していた。組成物1Nおよび1Pに存在するシリカ粒子は、およそ50nmの平均粒径を有していた。組成物1Qおよび1Rに存在するシリカ粒子は、およそ80nmの平均粒径を有していた。組成物1Sおよび1Tに存在するシリカ粒子は、およそ113nmの平均粒径を有していた。タンタル除去速度の値(分あたりのÅ)を各研磨組成物に対して測定した。結果を表5にまとめて示す。
この例は、コロイダルシリカ研磨剤を含むスラリー中の本発明の研磨組成物により示される研磨速度の上昇を表している。タンタルを含んでなる類似の基板を、6種の異なる研磨組成物(研磨組成物2A、2B、2C、2D、2Eおよび2F)により研磨した。研磨組成物2A(比較例)は、測定可能な量のカルシウム、ストロンチウムまたはバリウムイオンを含まなかった。研磨組成物2B−2E(本発明)は、研磨組成物の全重量に対し、それぞれ、キログラムあたり0.125、0.25、0.50、0.75および1.25ミリモル(ミリモル/kg)のカルシウム(塩化カルシウムとして)を含んでいた。上記の研磨組成物のそれぞれは、約6wt%のコロイダルシリカ、約3wt%の過酸化水素および約0.3wt%の酢酸も含んでおり、酸化剤添加前のpHは約10であった。タンタル除去速度の値(分あたりのÅ)を各研磨組成物に対して測定した。結果を表6にまとめて示す。
Claims (5)
- (a)シリカ粒子、
(b)研磨組成物の全重量に対し、5×10-3から3ミリモル/kgの、カルシウム、ストロンチウムおよびそれらの混合物からなる群から選択される少なくとも1種のアルカリ土類金属、
(c)酸化剤、および
(d)水を含んでなる液体キャリア、
を含み、pHが7から13までであって、コロイド状に安定している、化学的機械的研磨組成物。 - 前記研磨組成物が、1,2,3−トリアゾール、1,2,4−トリアゾール、ベンゾトリアゾール、ベンズイミダゾール、ベンゾチアゾールおよびそれらの混合物からなる群から選択される腐食防止剤をさらに含んでなる、請求項1に記載の研磨組成物。
- 前記研磨組成物が、錯化剤またはキレート剤をさらに含んでなる、請求項1に記載の研磨組成物。
- 前記酸化剤が、研磨組成物の全重量に対し、0.5から8wt%の量で研磨組成物中に存在する、請求項1に記載の研磨組成物。
- 前記研磨組成物が酸をさらに含んでなり、前記酸が、シュウ酸、リンゴ酸、マロン酸、酒石酸、酢酸、乳酸、プロピオン酸、フタル酸、安息香酸、クエン酸、コハク酸、それらの塩、およびそれらの組み合わせからなる群から選択される有機酸である、請求項1に記載の研磨組成物。
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WO2019138846A1 (ja) | 2018-01-11 | 2019-07-18 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
KR20200108022A (ko) | 2018-01-11 | 2020-09-16 | 가부시키가이샤 후지미인코퍼레이티드 | 연마용 조성물 |
US11339311B2 (en) | 2018-01-11 | 2022-05-24 | Fujimi Incorporated | Polishing composition |
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EP1685202B1 (en) | 2019-06-12 |
TW200513524A (en) | 2005-04-16 |
WO2005026277A1 (en) | 2005-03-24 |
US20080057832A1 (en) | 2008-03-06 |
CN1849378B (zh) | 2012-05-16 |
KR100741630B1 (ko) | 2007-07-23 |
EP1685202A1 (en) | 2006-08-02 |
US7754098B2 (en) | 2010-07-13 |
KR20060087552A (ko) | 2006-08-02 |
US20050056368A1 (en) | 2005-03-17 |
JP2011159998A (ja) | 2011-08-18 |
TWI296283B (en) | 2008-05-01 |
JP4805826B2 (ja) | 2011-11-02 |
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