KR20050006203A - 연마액 및 연마방법 - Google Patents
연마액 및 연마방법 Download PDFInfo
- Publication number
- KR20050006203A KR20050006203A KR10-2004-7017363A KR20047017363A KR20050006203A KR 20050006203 A KR20050006203 A KR 20050006203A KR 20047017363 A KR20047017363 A KR 20047017363A KR 20050006203 A KR20050006203 A KR 20050006203A
- Authority
- KR
- South Korea
- Prior art keywords
- acid
- polishing
- compound
- skeleton
- group
- Prior art date
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- 238000005498 polishing Methods 0.000 title claims abstract description 303
- 238000000034 method Methods 0.000 title claims description 43
- 239000012530 fluid Substances 0.000 title description 2
- 229910052751 metal Inorganic materials 0.000 claims abstract description 101
- 239000002184 metal Substances 0.000 claims abstract description 101
- 150000001875 compounds Chemical class 0.000 claims abstract description 66
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 31
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007800 oxidant agent Substances 0.000 claims abstract description 18
- ZRALSGWEFCBTJO-UHFFFAOYSA-N guanidine group Chemical group NC(=N)N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 125000000714 pyrimidinyl group Chemical group 0.000 claims abstract description 10
- 125000002883 imidazolyl group Chemical group 0.000 claims abstract description 9
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical group C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000007824 aliphatic compounds Chemical class 0.000 claims abstract description 7
- 125000003226 pyrazolyl group Chemical group 0.000 claims abstract description 7
- 150000001491 aromatic compounds Chemical class 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 104
- 239000002253 acid Substances 0.000 claims description 85
- 239000010410 layer Substances 0.000 claims description 73
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 72
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 60
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 54
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 54
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 54
- 239000003795 chemical substances by application Substances 0.000 claims description 50
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 48
- 239000000758 substrate Substances 0.000 claims description 44
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 40
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 39
- 230000004888 barrier function Effects 0.000 claims description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 239000010949 copper Substances 0.000 claims description 32
- 239000011229 interlayer Substances 0.000 claims description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 30
- 229910052802 copper Inorganic materials 0.000 claims description 30
- 239000004744 fabric Substances 0.000 claims description 30
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 27
- 239000001530 fumaric acid Substances 0.000 claims description 27
- 235000011087 fumaric acid Nutrition 0.000 claims description 27
- 239000004310 lactic acid Substances 0.000 claims description 27
- 235000014655 lactic acid Nutrition 0.000 claims description 27
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 26
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 25
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 24
- 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 24
- 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 24
- 150000007513 acids Chemical class 0.000 claims description 24
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 24
- 235000015165 citric acid Nutrition 0.000 claims description 24
- 239000001630 malic acid Substances 0.000 claims description 24
- 235000011090 malic acid Nutrition 0.000 claims description 24
- 239000011975 tartaric acid Substances 0.000 claims description 24
- 235000002906 tartaric acid Nutrition 0.000 claims description 24
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 23
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 claims description 20
- 239000001361 adipic acid Substances 0.000 claims description 20
- 235000011037 adipic acid Nutrition 0.000 claims description 20
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 claims description 20
- 150000002148 esters Chemical class 0.000 claims description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- 239000006061 abrasive grain Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- 150000003863 ammonium salts Chemical class 0.000 claims description 15
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- 229960002449 glycine Drugs 0.000 claims description 13
- 235000013905 glycine and its sodium salt Nutrition 0.000 claims description 13
- 150000003852 triazoles Chemical group 0.000 claims description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 12
- 239000011976 maleic acid Substances 0.000 claims description 12
- 229920003169 water-soluble polymer Polymers 0.000 claims description 12
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 11
- 239000012964 benzotriazole Substances 0.000 claims description 11
- 229910052721 tungsten Inorganic materials 0.000 claims description 11
- 239000010937 tungsten Substances 0.000 claims description 11
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims description 10
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 10
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 10
- SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical compound OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 claims description 10
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 10
- 230000002378 acidificating effect Effects 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- -1 tungsten nitride Chemical class 0.000 claims description 9
- LLPKQRMDOFYSGZ-UHFFFAOYSA-N 2,5-dimethyl-1h-imidazole Chemical compound CC1=CN=C(C)N1 LLPKQRMDOFYSGZ-UHFFFAOYSA-N 0.000 claims description 8
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 7
- XLSZMDLNRCVEIJ-UHFFFAOYSA-N 4-methylimidazole Chemical compound CC1=CNC=N1 XLSZMDLNRCVEIJ-UHFFFAOYSA-N 0.000 claims description 6
- 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
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical group [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 5
- 239000005711 Benzoic acid Substances 0.000 claims description 5
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims description 5
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims description 5
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 235000010233 benzoic acid Nutrition 0.000 claims description 5
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 5
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 5
- 238000010494 dissociation reaction Methods 0.000 claims description 5
- 230000005593 dissociations Effects 0.000 claims description 5
- 235000019253 formic acid Nutrition 0.000 claims description 5
- 239000000174 gluconic acid Substances 0.000 claims description 5
- 235000012208 gluconic acid Nutrition 0.000 claims description 5
- 239000004220 glutamic acid Substances 0.000 claims description 5
- 235000013922 glutamic acid Nutrition 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- 229940081066 picolinic acid Drugs 0.000 claims description 5
- 229920002401 polyacrylamide Polymers 0.000 claims description 5
- 229940005605 valeric acid Drugs 0.000 claims description 5
- ASOKPJOREAFHNY-UHFFFAOYSA-N 1-Hydroxybenzotriazole Chemical compound C1=CC=C2N(O)N=NC2=C1 ASOKPJOREAFHNY-UHFFFAOYSA-N 0.000 claims description 4
- QWENRTYMTSOGBR-UHFFFAOYSA-N 1H-1,2,3-Triazole Chemical compound C=1C=NNN=1 QWENRTYMTSOGBR-UHFFFAOYSA-N 0.000 claims description 4
- SLLDUURXGMDOCY-UHFFFAOYSA-N 2-butyl-1h-imidazole Chemical compound CCCCC1=NC=CN1 SLLDUURXGMDOCY-UHFFFAOYSA-N 0.000 claims description 4
- PQAMFDRRWURCFQ-UHFFFAOYSA-N 2-ethyl-1h-imidazole Chemical compound CCC1=NC=CN1 PQAMFDRRWURCFQ-UHFFFAOYSA-N 0.000 claims description 4
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 claims description 4
- AMOUXUIXXQFHJR-UHFFFAOYSA-N 2-methyl-5,7-diphenyl-[1,2,4]triazolo[1,5-a]pyrimidine Chemical compound N12N=C(C)N=C2N=C(C=2C=CC=CC=2)C=C1C1=CC=CC=C1 AMOUXUIXXQFHJR-UHFFFAOYSA-N 0.000 claims description 4
- FUOZJYASZOSONT-UHFFFAOYSA-N 2-propan-2-yl-1h-imidazole Chemical compound CC(C)C1=NC=CN1 FUOZJYASZOSONT-UHFFFAOYSA-N 0.000 claims description 4
- LRUDIIUSNGCQKF-UHFFFAOYSA-N 5-methyl-1H-benzotriazole Chemical compound C1=C(C)C=CC2=NNN=C21 LRUDIIUSNGCQKF-UHFFFAOYSA-N 0.000 claims description 4
- ULKLGIFJWFIQFF-UHFFFAOYSA-N 5K8XI641G3 Chemical compound CCC1=NC=C(C)N1 ULKLGIFJWFIQFF-UHFFFAOYSA-N 0.000 claims description 4
- LHCPRYRLDOSKHK-UHFFFAOYSA-N 7-deaza-8-aza-adenine Chemical compound NC1=NC=NC2=C1C=NN2 LHCPRYRLDOSKHK-UHFFFAOYSA-N 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 4
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 claims description 4
- 229910001362 Ta alloys Inorganic materials 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 4
- 229910001080 W alloy Inorganic materials 0.000 claims description 4
- 229960003512 nicotinic acid Drugs 0.000 claims description 4
- 235000001968 nicotinic acid Nutrition 0.000 claims description 4
- 239000011664 nicotinic acid Substances 0.000 claims description 4
- 229920001282 polysaccharide Polymers 0.000 claims description 4
- 239000005017 polysaccharide Substances 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 150000003609 titanium compounds Chemical class 0.000 claims description 4
- 150000003658 tungsten compounds Chemical class 0.000 claims description 4
- 229920002554 vinyl polymer Polymers 0.000 claims description 4
- MLIWQXBKMZNZNF-KUHOPJCQSA-N (2e)-2,6-bis[(4-azidophenyl)methylidene]-4-methylcyclohexan-1-one Chemical compound O=C1\C(=C\C=2C=CC(=CC=2)N=[N+]=[N-])CC(C)CC1=CC1=CC=C(N=[N+]=[N-])C=C1 MLIWQXBKMZNZNF-KUHOPJCQSA-N 0.000 claims description 3
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 claims description 3
- XCXKNNGWSDYMMS-UHFFFAOYSA-N 2-methyl-1-nitroguanidine Chemical compound CNC(N)=N[N+]([O-])=O XCXKNNGWSDYMMS-UHFFFAOYSA-N 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 claims description 2
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 claims description 2
- XTCYBBUYBQFNEI-UHFFFAOYSA-N 2-phenyl-[1,2,4]triazolo[1,5-a]pyrimidine Chemical compound C1=CC=CC=C1C1=NN2C=CC=NC2=N1 XTCYBBUYBQFNEI-UHFFFAOYSA-N 0.000 claims 1
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 150000004676 glycans Chemical class 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 abstract description 6
- 239000003112 inhibitor Substances 0.000 abstract 2
- 125000001425 triazolyl group Chemical group 0.000 abstract 2
- 239000002002 slurry Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 73
- 238000005530 etching Methods 0.000 description 27
- 239000004065 semiconductor Substances 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 14
- 238000000227 grinding Methods 0.000 description 14
- 238000007517 polishing process Methods 0.000 description 13
- 239000010703 silicon Substances 0.000 description 13
- 229910052710 silicon Inorganic materials 0.000 description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 9
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 238000013329 compounding Methods 0.000 description 7
- 239000008119 colloidal silica Substances 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229940126062 Compound A Drugs 0.000 description 5
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920005575 poly(amic acid) Polymers 0.000 description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 4
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- MKBBSFGKFMQPPC-UHFFFAOYSA-N 2-propyl-1h-imidazole Chemical compound CCCC1=NC=CN1 MKBBSFGKFMQPPC-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- SRNKZYRMFBGSGE-UHFFFAOYSA-N [1,2,4]triazolo[1,5-a]pyrimidine Chemical compound N1=CC=CN2N=CN=C21 SRNKZYRMFBGSGE-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 150000004804 polysaccharides Chemical class 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/005—Control means for lapping machines or devices
- B24B37/0056—Control means for lapping machines or devices taking regard of the pH-value of lapping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
- B24B37/044—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor characterised by the composition of the lapping agent
-
- 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
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/04—Aqueous dispersions
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F3/00—Brightening metals by chemical means
- C23F3/04—Heavy metals
- C23F3/06—Heavy metals with acidic solutions
-
- 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)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Disintegrating Or Milling (AREA)
- ing And Chemical Polishing (AREA)
Abstract
Description
Claims (19)
- (가)산화제, (나)산화 금속 용해제, (다)금속방식제 및 물을 함유하고, pH가 2~5인 연마액으로서,(나)산화 금속 용해제가, 유산, 프탈산, 푸마르산, 말레인산 및 아미노초산을 제외한 제1 해리가능 산성기의 해리정수(pKa)가 3.7 미만인 산으로부터 선택된 1종 이상의 산(A군), 상기 A군의 산의 암모늄염 및 상기 A군의 산의 에스테르로부터 선택된 1종 이상, 및유산, 프탈산, 푸마르산, 말레인산, 아미노초산 및 제1 해리가능 산성기의 pKa가 3.7 이상인 산으로부터 선택된 1종 이상의 산(B군), 상기 B군의 산의 암모늄염 및 상기 B군의 산의 에스테르로부터 선택된 1종 이상을 포함하는 것을 특징으로 하는 연마액.
- (가)산화제, (나)산화 금속 용해제, (다)금속방식제 및 물을 함유하고, pH가 2~5인 연마액으로서,(다)금속방식제가, 트리아졸 골격을 갖는 방향족 화합물의 군(C군)으로부터 선택된 1종 이상, 및 트리아졸 골격을 갖는 지방족 화합물, 피리미딘 골격을 갖는 화합물, 이미다졸 골격을 갖는 화합물, 구아니딘 골격을 갖는 화합물, 티아졸 골격을 갖는 화합물 및 피라졸 골격을 갖는 화합물의 군(D군)으로부터 선택된 1종 이상을 포함하는 것을 특징으로 하는 연마액.
- 제 1항에 있어서, 상기 A군이 말론산, 시트르산, 말산, 글리콜산, 글루탐산, 글루콘산, 옥살산, 타르타르산, 피콜린산, 니콘틴산, 만데르산, 초산, 황산, 질산, 인산, 염산 및 포름산으로 이루어고, 상기 B군이 숙신산, 아디핀산, 글루타르산, 벤조산, 키날딘산, 부티르산, 발레르산, 유산, 프탈산, 푸마르산, 말레인산 및 아미노초산으로 이루어지는 것을 특징으로 하는 연마액.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서, 상기 (나)산화 금속 용해제가 이하로부터 선택되는 산의 조합을 포함하거나, 또는 이하로부터 선택되는 조합의 적어도 한쪽이 산의 암모늄염인 조합을 포함하는 것을 특징으로 하는 연마액:말론산과 숙신산, 말론산과 글루타르산, 말론산과 아디핀산, 말론산과 유산, 말론산과 푸마르산, 말론산과 프탈산, 시트르산과 숙신산, 시트르산과 글루타르산, 시트르산과 아디핀산, 시트르산과 유산, 시트르산과 푸마르산, 시트르산과 프탈산, 말산과 숙신산, 말산과 글루타르산, 말산과 아디핀산, 말산과 유산, 말산과 푸마르산, 말산과 프탈산, 글리콜산과 숙신산, 글리콜산과 글루타르산, 글리콜산과 아디핀산, 글리콜산과 유산, 글리콜산과 푸마르산, 글리콜산과 프탈산, 타르타르산과 숙신산, 타르타르산과 글루타르산, 타르타르산과 아디핀산, 타르타르산과 유산, 타르타르산과 푸마르산, 타르타르산과 프탈산.
- 제 1항, 제 3항 및 제 4항 중 어느 한 항에 있어서, 상기 (다)금속방식제가트리아졸 골격을 갖는 화합물, 피리미딘 골격을 갖는 화합물, 이미다졸 골격을 갖는 화합물, 구아니딘 골격을 갖는 화합물, 티아졸 골격을 갖는 화합물 및 피라졸 골격을 갖는 화합물로부터 선택되는 1종 이상을 포함하는 것을 특징으로 하는 연마액.
- 제 2항에 있어서, 상기 C군이 벤조트리아졸, 1-히드록시벤조트리아졸 및 5-메틸벤조트리아졸로부터 선택되는 적어도 1종인 것을 특징으로 하는 연마액.
- 제 2항 또는 제 6항에 있어서, 상기 D군의 트리아졸 골격을 갖는 지방족 화합물이 1,2,3-트리아졸, 1,2,4-트리아졸로, 3-아미노-1H-1,2,4-트리아졸로 및 4-아미노-4H-1,2,4-트리아졸로로부터 선택되는 적어도 1종인 것을 특징으로 하는 연마액.
- 제 2항, 제 5항 내지 제 7항 중 어느 한 항에 있어서, 상기 피리미딘 골격을 갖는 화합물이 4-아미노피라졸로[3,4-d]피리미딘, 1,2,4-트리아졸로[1,5-a]피리미딘, 2-메틸-5,7-디페닐-(1,2,4)트리아졸로(1,5-a)피리미딘, 2-메틸술파닐-5,7-디페닐-(1,2,4)트리아졸로(1,5-a)피리미딘으로부터 선택되는 적어도 1종인 것을 특징으로 하는 연마액.
- 제 2항, 제 5항 내지 제 8항 중 어느 한 항에 있어서, 상기 이미다졸 골격을갖는 화합물이 2-메틸이미다졸, 2-에틸이미다졸, 2-(이소프로필)이미다졸, 2-프로필이미다졸, 2-부틸이미다졸, 4-메틸이미다졸, 2,4-디메틸이미다졸, 2-에틸-4-메틸이미다졸로부터 선택되는 적어도 1종인 것을 특징으로 하는 연마액.
- 제 2항, 제 5항 내지 제 9항 중 어느 한 항에 있어서, 상기 구아니딘 골격을 갖는 화합물이 1,3-디페닐구아니딘, 1-메틸-3-니트로구아니딘으로부터 선택되는 적어도 1종인 것을 특징으로 하는 연마액.
- 제 1항 내지 제 10항 중 어느 한 항에 있어서, pH가 3~4.5이며, 또한 연마액중의 금속방식제의 농도가 0.01~0.50중량%인 것을 특징으로 하는 연마액.
- 제 1항 내지 제 11항 중 어느 한 항에 있어서, (가)금속산화제가 과산화수소, 과황산암모늄, 질산제이철, 질산, 과요오드산칼륨, 차아염소산 및 오존수로부터 선택되는 적어도 1종인 것을 특징으로 하는 연마액.
- 제 1항 내지 제 12항 중 어느 한 항에 있어서, 중량 평균 분자량이 500 이상인 수용성 폴리머를 적어도 1종류 함유하는 것을 특징으로 하는 연마액.
- 제 13항에 있어서, 상기 중량 평균 분자량이 500 이상인 수용성 폴리머가 다당류, 폴리카르복실산, 폴리카르복실산의 에스테르, 폴리카르복실산의 염, 폴리아크릴아미드 및 비닐계 폴리머로부터 선택된 적어도 1종인 것을 특징으로 하는 연마액.
- 제 1항 내지 제 14항 중 어느 한 항에 있어서, 알루미늄, 실리카 및 세리아로부터 1종류 이상 선택되는 고체 지립을 포함하는 것을 특징으로 하는 연마액.
- 연마 정반의 연마포상에 제 1항 내지 제 15항 중 어느 한 항 기재의 연마액을 공급하면서, 기체의 피연마면을 연마포에 누른 상태에서 연마포와 기체를 상대적으로 움직여서 피연마면을 연마하는 것을 특징으로 하는 연마방법.
- 표면이 요부 및 철부로 이루어지는 층간 절연막과, 상기 층간 절연막을 표면을 따라 피복하는 배리어층과, 상기 요부를 충전하여 배리어층을 피복하는 금속층을 갖는 기판의 금속층을 연마하여, 상기 철부의 배리어층을 노출시키는 제1 연마공정과, 상기 제1 연마공정후에 적어도 배리어층 및 요부의 금속층을 연마하여 철부의 층간 절연막을 노출시키는 제2 연마공정을 포함하고, 제1 연마공정 및 제2 연마공정의 적어도 한쪽의 공정에서, 제 1항 내지 제 15항 중 어느 한 항 기재의 연마액을 사용하여 연마하는 것을 특징으로 하는 연마방법.
- 제 17항에 있어서, 상기 금속층이 구리, 구리합금, 구리의 산화물 및 구리합금의 산화물로부터 선택되는 적어도 1종을 포함하는 것을 특징으로 하는 연마방법.
- 제 17항 또는 제 18항에 있어서, 상기 배리어층이 1종의 조성으로 이루어지는 단층 구조 또는 2종 이상의 조성으로 이루어지는 적층구조이며, 상기 배리어층의 조성이 탄탈, 질화 탄탈, 탄탈 합금, 그 밖의 탄탈 화합물, 및 티타늄, 질화 티타늄, 티타늄 합금, 그 밖의 티타늄 화합물, 및 텅스텐, 질화 텅스텐, 텅스텐 합금, 그 밖의 텅스텐 화합물 중에서 선택되는 것을 특징으로 하는 연마방법.
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JP2002160159 | 2002-05-31 | ||
PCT/JP2003/005465 WO2003094216A1 (fr) | 2002-04-30 | 2003-04-28 | Fluide de polissage et procede de polissage |
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Cited By (7)
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KR100601740B1 (ko) * | 2005-04-11 | 2006-07-18 | 테크노세미켐 주식회사 | 투명도전막 식각용액 |
US8508273B2 (en) | 2005-11-09 | 2013-08-13 | Hynix Semiconductor Inc. | Apparatus and method for outputting data of semiconductor memory apparatus |
US8778217B2 (en) | 2006-07-05 | 2014-07-15 | Hitachi Chemical Company, Ltd. | Polishing slurry for CMP, and polishing method |
KR101153685B1 (ko) * | 2007-11-14 | 2012-06-18 | 쇼와 덴코 가부시키가이샤 | 연마 조성물 |
US8425276B2 (en) | 2007-11-14 | 2013-04-23 | Showa Denko K.K. | Polishing composition |
KR20200036790A (ko) * | 2018-09-28 | 2020-04-07 | 버슘머트리얼즈 유에스, 엘엘씨 | 배리어 슬러리 제거율 개선 |
KR20210154556A (ko) * | 2020-06-12 | 2021-12-21 | 성균관대학교산학협력단 | 연마 조성물의 제조 방법 |
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JP4853494B2 (ja) | 2012-01-11 |
TWI303660B (en) | 2008-12-01 |
US20070295934A1 (en) | 2007-12-27 |
DE60322695D1 (de) | 2008-09-18 |
JP4449745B2 (ja) | 2010-04-14 |
EP1505639B1 (en) | 2008-08-06 |
ATE470236T1 (de) | 2010-06-15 |
TW200307032A (en) | 2003-12-01 |
DE60332881D1 (de) | 2010-07-15 |
US7367870B2 (en) | 2008-05-06 |
JPWO2003094216A1 (ja) | 2005-09-08 |
CN100336179C (zh) | 2007-09-05 |
JP2008263215A (ja) | 2008-10-30 |
ATE403936T1 (de) | 2008-08-15 |
EP1881524A1 (en) | 2008-01-23 |
CN1650403A (zh) | 2005-08-03 |
WO2003094216A1 (fr) | 2003-11-13 |
AU2003235964A1 (en) | 2003-11-17 |
US20080003924A1 (en) | 2008-01-03 |
CN101037585B (zh) | 2010-05-26 |
US20050181609A1 (en) | 2005-08-18 |
US8696929B2 (en) | 2014-04-15 |
CN101037585A (zh) | 2007-09-19 |
KR100720985B1 (ko) | 2007-05-22 |
EP1881524B1 (en) | 2010-06-02 |
EP1505639A1 (en) | 2005-02-09 |
EP1505639A4 (en) | 2007-05-09 |
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