KR100498816B1 - 분산 안정성이 우수한 텅스텐 금속막 연마용 화학-기계적연마 슬러리 조성물 - Google Patents
분산 안정성이 우수한 텅스텐 금속막 연마용 화학-기계적연마 슬러리 조성물 Download PDFInfo
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- KR100498816B1 KR100498816B1 KR10-2002-0063801A KR20020063801A KR100498816B1 KR 100498816 B1 KR100498816 B1 KR 100498816B1 KR 20020063801 A KR20020063801 A KR 20020063801A KR 100498816 B1 KR100498816 B1 KR 100498816B1
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- 238000005498 polishing Methods 0.000 title claims abstract description 65
- 239000002002 slurry Substances 0.000 title claims abstract description 51
- 239000000203 mixture Substances 0.000 title claims abstract description 49
- 239000006185 dispersion Substances 0.000 title claims abstract description 39
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title abstract description 43
- 229910052721 tungsten Inorganic materials 0.000 title abstract description 43
- 239000010937 tungsten Substances 0.000 title abstract description 43
- 229910052751 metal Inorganic materials 0.000 title abstract description 22
- 239000002184 metal Substances 0.000 title abstract description 22
- 239000000126 substance Substances 0.000 title 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 claims abstract description 47
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- XNCSCQSQSGDGES-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]propyl-(carboxymethyl)amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)C(C)CN(CC(O)=O)CC(O)=O XNCSCQSQSGDGES-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007800 oxidant agent Substances 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000001590 oxidative effect Effects 0.000 claims abstract description 7
- 239000003112 inhibitor Substances 0.000 claims abstract description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 18
- 229910021485 fumed silica Inorganic materials 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical group CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 10
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 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
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 7
- CCIVGXIOQKPBKL-UHFFFAOYSA-M ethanesulfonate Chemical compound CCS([O-])(=O)=O CCIVGXIOQKPBKL-UHFFFAOYSA-M 0.000 claims description 7
- -1 iron-monoammonium propylenediaminetetraacetate hydrate Chemical compound 0.000 claims description 7
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 6
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 239000004310 lactic acid Substances 0.000 claims description 5
- 235000014655 lactic acid Nutrition 0.000 claims description 5
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 4
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 claims description 4
- 239000005711 Benzoic acid Substances 0.000 claims description 3
- 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
- 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 3
- DCEHTYYYUBZERB-UHFFFAOYSA-K azanium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;iron(3+);dihydrate Chemical compound [NH4+].O.O.[Fe+3].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O DCEHTYYYUBZERB-UHFFFAOYSA-K 0.000 claims description 3
- 235000010233 benzoic acid Nutrition 0.000 claims description 3
- 235000015165 citric acid Nutrition 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 3
- 235000004515 gallic acid Nutrition 0.000 claims description 3
- 229940074391 gallic acid Drugs 0.000 claims description 3
- DUWWHGPELOTTOE-UHFFFAOYSA-N n-(5-chloro-2,4-dimethoxyphenyl)-3-oxobutanamide Chemical compound COC1=CC(OC)=C(NC(=O)CC(C)=O)C=C1Cl DUWWHGPELOTTOE-UHFFFAOYSA-N 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 235000019260 propionic acid Nutrition 0.000 claims description 3
- 239000011975 tartaric acid Substances 0.000 claims description 3
- 235000002906 tartaric acid Nutrition 0.000 claims description 3
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 claims description 2
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 claims description 2
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- PDAVOLCVHOKLEO-UHFFFAOYSA-N acetyl benzenecarboperoxoate Chemical compound CC(=O)OOC(=O)C1=CC=CC=C1 PDAVOLCVHOKLEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000001361 adipic acid Substances 0.000 claims description 2
- 235000011037 adipic acid Nutrition 0.000 claims description 2
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 claims description 2
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 claims description 2
- 229940092714 benzenesulfonic acid Drugs 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 2
- 239000008119 colloidal silica Substances 0.000 claims description 2
- KYQODXQIAJFKPH-UHFFFAOYSA-N diazanium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [NH4+].[NH4+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O KYQODXQIAJFKPH-UHFFFAOYSA-N 0.000 claims description 2
- CCIVGXIOQKPBKL-UHFFFAOYSA-N ethanesulfonic acid Chemical compound CCS(O)(=O)=O CCIVGXIOQKPBKL-UHFFFAOYSA-N 0.000 claims description 2
- 229940098779 methanesulfonic acid Drugs 0.000 claims description 2
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 claims description 2
- SRSFOMHQIATOFV-UHFFFAOYSA-N octanoyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(=O)CCCCCCC SRSFOMHQIATOFV-UHFFFAOYSA-N 0.000 claims description 2
- KRURGYOKPVLRHQ-UHFFFAOYSA-N trithionic acid Chemical compound OS(=O)(=O)SS(O)(=O)=O KRURGYOKPVLRHQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 2
- CYFLXLSBHQBMFT-UHFFFAOYSA-N sulfamoxole Chemical group O1C(C)=C(C)N=C1NS(=O)(=O)C1=CC=C(N)C=C1 CYFLXLSBHQBMFT-UHFFFAOYSA-N 0.000 claims 1
- 150000002736 metal compounds Chemical class 0.000 abstract description 19
- 239000003623 enhancer Substances 0.000 abstract description 4
- 239000003082 abrasive agent Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 33
- 239000002245 particle Substances 0.000 description 30
- 230000000052 comparative effect Effects 0.000 description 12
- 239000011229 interlayer Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 238000001556 precipitation Methods 0.000 description 9
- 238000004062 sedimentation Methods 0.000 description 8
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 150000007524 organic acids Chemical class 0.000 description 5
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000733 zeta-potential measurement Methods 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000003002 pH adjusting agent Substances 0.000 description 3
- 238000007517 polishing process Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OVBJJZOQPCKUOR-UHFFFAOYSA-L EDTA disodium salt dihydrate Chemical compound O.O.[Na+].[Na+].[O-]C(=O)C[NH+](CC([O-])=O)CC[NH+](CC([O-])=O)CC([O-])=O OVBJJZOQPCKUOR-UHFFFAOYSA-L 0.000 description 1
- SHWNNYZBHZIQQV-UHFFFAOYSA-J EDTA monocalcium diisodium salt Chemical compound [Na+].[Na+].[Ca+2].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O SHWNNYZBHZIQQV-UHFFFAOYSA-J 0.000 description 1
- KHEVZJGOLJAUMQ-UHFFFAOYSA-J O.O.O.O.[Co+2].[Na+].[Na+].C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)[O-])CC(=O)[O-] Chemical compound O.O.O.O.[Co+2].[Na+].[Na+].C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)[O-])CC(=O)[O-] KHEVZJGOLJAUMQ-UHFFFAOYSA-J 0.000 description 1
- XGTZRRXVSMJKBD-UHFFFAOYSA-J O.O.O.O.[Mn+2].[Na+].[Na+].C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)[O-])CC(=O)[O-] Chemical compound O.O.O.O.[Mn+2].[Na+].[Na+].C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)[O-])CC(=O)[O-] XGTZRRXVSMJKBD-UHFFFAOYSA-J 0.000 description 1
- DQVGTEHKVRUKDR-UHFFFAOYSA-N [acetyloxy-[2-(diacetyloxyamino)ethyl]amino] acetate azane Chemical compound N.N.CC(=O)ON(OC(C)=O)CCN(OC(C)=O)OC(C)=O DQVGTEHKVRUKDR-UHFFFAOYSA-N 0.000 description 1
- FEZXQNIRVPTEDF-UHFFFAOYSA-N [acetyloxy-[2-(diacetyloxyamino)ethyl]amino] acetate;dihydrate Chemical group O.O.CC(=O)ON(OC(C)=O)CCN(OC(C)=O)OC(C)=O FEZXQNIRVPTEDF-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 239000001201 calcium disodium ethylene diamine tetra-acetate Substances 0.000 description 1
- 235000011188 calcium disodium ethylene diamine tetraacetate Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- CHPMNDHAIUIBSK-UHFFFAOYSA-J copper;disodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;tetrahydrate Chemical compound O.O.O.O.[Na+].[Na+].[Cu+2].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O CHPMNDHAIUIBSK-UHFFFAOYSA-J 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- AEJUWNFWWXTZCH-UHFFFAOYSA-L diazanium 2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate manganese(2+) Chemical compound [NH4+].[NH4+].[Mn+2].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O AEJUWNFWWXTZCH-UHFFFAOYSA-L 0.000 description 1
- WRSUMHYBOYWMTD-UHFFFAOYSA-N diazanium;2-[2-[carboxylatomethyl(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetate;hydrate Chemical compound [NH4+].[NH4+].O.OC(=O)CN(CC(O)=O)CCN(CC([O-])=O)CC([O-])=O WRSUMHYBOYWMTD-UHFFFAOYSA-N 0.000 description 1
- JFROQFOCFOKDKU-UHFFFAOYSA-L dipotassium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;hydron;dihydrate Chemical compound O.O.[K+].[K+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O JFROQFOCFOKDKU-UHFFFAOYSA-L 0.000 description 1
- 229940071106 ethylenediaminetetraacetate Drugs 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- PVFSDGKDKFSOTB-UHFFFAOYSA-K iron(3+);triacetate Chemical compound [Fe+3].CC([O-])=O.CC([O-])=O.CC([O-])=O PVFSDGKDKFSOTB-UHFFFAOYSA-K 0.000 description 1
- NTLBRFLUZXNZAU-UHFFFAOYSA-J magnesium disodium 2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate tetrahydrate Chemical compound O.O.O.O.[Na+].[Na+].[Mg++].[O-]C(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC([O-])=O NTLBRFLUZXNZAU-UHFFFAOYSA-J 0.000 description 1
- ZDYUUBIMAGBMPY-UHFFFAOYSA-N oxalic acid;hydrate Chemical compound O.OC(=O)C(O)=O ZDYUUBIMAGBMPY-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013225 prussian blue Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- IFTBIBDAWNGFFB-UHFFFAOYSA-K sodium 2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxymethyl)amino]acetate iron(2+) hydrate Chemical compound O.C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)O)CC(=O)[O-].[Na+].[Fe+2] IFTBIBDAWNGFFB-UHFFFAOYSA-K 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- JZBRFIUYUGTUGG-UHFFFAOYSA-J tetrapotassium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [K+].[K+].[K+].[K+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O JZBRFIUYUGTUGG-UHFFFAOYSA-J 0.000 description 1
- XFLNVMPCPRLYBE-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;tetrahydrate Chemical compound O.O.O.O.[Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O XFLNVMPCPRLYBE-UHFFFAOYSA-J 0.000 description 1
- 229910021654 trace metal Inorganic materials 0.000 description 1
- XKWFRVVFRZYIFP-UHFFFAOYSA-N triazanium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxymethyl)amino]acetate Chemical compound N.N.N.OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O XKWFRVVFRZYIFP-UHFFFAOYSA-N 0.000 description 1
- FYZXEMANQYHCFX-UHFFFAOYSA-K tripotassium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxymethyl)amino]acetate Chemical compound [K+].[K+].[K+].OC(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O FYZXEMANQYHCFX-UHFFFAOYSA-K 0.000 description 1
- FXNQQEVEDZAAJM-UHFFFAOYSA-K trisodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxymethyl)amino]acetate;trihydrate Chemical compound O.O.O.[Na+].[Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O FXNQQEVEDZAAJM-UHFFFAOYSA-K 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 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
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- 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]
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Abstract
Description
시료 | 첨가제 유형 | 침전(15일 후) | 제타 전위(mV) | 평균입도(초기, nm) | 평균입도(30일 후,nm) |
비교예 1 | 없음 | 침전 | -2 | 240 | 과량응집 |
실시예 1 | PDTA·Fe·Na·H2O | 없음 | -18 | 205 | 225 |
실시예 2 | PDTA·Fe·NH4·H2O | 없음 | -30 | 198 | 200 |
시료 | 첨가제 유형 | 침전(15일 후) | 제타전위(mV) | 평균입도(초기, nm) | 평균입도(30일 후,nm) |
비교예 2 | 없음 | 침전 | -2 | 240 | 과량응집 |
실시예 3 | EDTA·Fe·Na·H2O | 없음 | -21 | 205 | 219 |
실시예 4 | EDTA·Fe·Na·3H2O | 없음 | -20 | 207 | 225 |
실시예 5 | EDTA·Fe·NH4·2H2O | 없음 | -25 | 200 | 215 |
실시예 6 | EDTA·Ca·2Na·3H2O | 없음 | -22 | 206 | 227 |
실시예 7 | EDTA·Co·2Na·4H2O | 없음 | -19 | 210 | 235 |
실시예 8 | EDTA·Mg·2Na·4H2O | 없음 | -20 | 205 | 223 |
실시예 9 | EDTA·Cu·2Na·4H2O | 없음 | -22 | 207 | 220 |
실시예 10 | EDTA·Mn·2Na·4H2O | 없음 | -15 | 230 | 240 |
실시예 11 | EDTA·Mn·2(NH4) | 없음 | -15 | 232 | 245 |
실시예 12 | EDTA·Zn·2Na·3H2O | 없음 | -18 | 212 | 231 |
시료 | 첨가제 유형 | 침전(15일 후) | 제타전위(mV) | 평균입도(초기, nm) | 평균입도(30일 후, nm) |
비교예 3 | 없음 | 침전 | -2 | 240 | 과량응집 |
실시예 13 | EDTA·2H·2Na·2H2O | 없음 | -20 | 210 | 215 |
실시예 14 | EDTA·3Na·3H2O | 없음 | -22 | 207 | 210 |
실시예 15 | EDTA·4Na·4H2O | 없음 | -19 | 212 | 221 |
실시예 16 | EDTA·2H·2(NH4)·H2O | 없음 | -23 | 203 | 210 |
실시예 17 | EDTA·2H·2(NH4) | 없음 | -25 | 205 | 207 |
실시예 18 | EDTA·H·3(NH4) | 없음 | -22 | 205 | 210 |
실시예 19 | EDTA·2H·2K·2H2O | 없음 | -20 | 210 | 219 |
실시예 20 | EDTA·H·3K | 없음 | -16 | 220 | 234 |
실시예 21 | EDTA·4K | 없음 | -15 | 225 | 238 |
시료 | 첨가제 유형 | 침전(15일 후) | 제타전위(mV) | 평균입도(초기, nm) | 평균입도(30일 후, nm) |
비교예 4 | 없음 | 침전 | -2 | 240 | 과량응집 |
실시예 22 | (CH3CO2)2·Fe | 없음 | -20 | 230 | 245 |
실시예 23 | Fe(II)Cl2 | 없음 | -25 | 225 | 234 |
실시예 24 | Fe(III)Cl3 | 없음 | -27 | 220 | 227 |
실시예 25 | Fe4[Fe(CN)6]3 | 없음 | -20 | 235 | 250 |
실시예 26 | FeI2 | 없음 | -18 | 240 | 255 |
실시예 27 | Fe(NO3)3 | 없음 | -30 | 210 | 215 |
실시예 28 | Fe(II)C2O4·2H2O | 없음 | -20 | 235 | 249 |
실시예 29 | Fe2(III)(C2O4)3·6H2O | 없음 | -23 | 230 | 245 |
실시예 30 | Fe(II)SO4·7H2O | 없음 | -27 | 215 | 220 |
실시예 31 | Fe2(III)(SO4)3·XH2O | 없음 | -28 | 213 | 215 |
실시예 32 | C10H14Fe(II)O4 | 없음 | -20 | 237 | 250 |
실시예 33 | C10H14Fe(III)O4 | 없음 | -22 | 235 | 248 |
Claims (15)
- (i) 철-모노암모늄 프로필렌디아민테트라아세테이트 히드레이트(PDTA·Fe·NH4·H2O), (ii) 철-모노암모늄 에틸렌디아민테트라아세테이트 디히드레이트(EDTA·Fe·NH4·2H2O), (iii) 에틸렌디아민테트라아세테이트 디암모늄(EDTA·2H·2(NH4)) 및 이들의 혼합물로 이루어진 군으로부터 선택되는 분산안정제 0.001 내지 1.0중량%, 연마제 0.1 내지 20.0중량%, 산화제 0.1 내지 10.0중량%, 술폰산, 에탄술폰산, 메탄술폰산, 톨루엔술폰산, 에틸술폰산, 술판디술폰산, 술판모노술폰산, 나프탈렌술폰산, 벤젠술폰산 및 이들의 혼합물로 이루어진 군으로부터 선택되는 텅스텐 연마 향상제 0.001 내지 5.0중량% 및 나머지 성분으로서 물을 포함하며, pH가 2 내지 9인 화학-기계적 연마 슬러리 조성물.
- 삭제
- 제1항에 있어서, 전체 슬러리 조성물에 대하여 0.001 내지 5.0중량%의 실리콘 산화막 연마 억제제를 더욱 포함하며, 상기 실리콘 산화막 연마 억제제는 락틱산, 타르타르산, 시트르산, 옥살산, 벤조산, 갈릭산, 프로판산, 말론산, 숙신산, 글루타릭산, 아디프산, 피멜릭산 및 이들의 혼합물로 이루어진 군으로부터 선택되는 화합물인 것인 화학-기계적 연마 슬러리 조성물.
- 제1항에 있어서, 상기 연마제는 γ-알루미나, α-알루미나, 퓸드 실리카, 콜로이달 실리카, 세리아 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것인 화학-기계적 연마 슬러리 조성물.
- 제1항에 있어서, 상기 산화제는 과산화수소, 퍼옥시디카보네이트, 옥타노일 퍼옥사이드, 아세틸벤조일 퍼옥사이드 및 이들의 혼합물로 이루어진 군으로부터 선택되는 화합물인 것인 화학-기계적 연마 슬러리 조성물.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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KR100850877B1 (ko) * | 2004-06-18 | 2008-08-07 | 주식회사 동진쎄미켐 | 철 함유 콜로이달 실리카를 포함하는 화학 기계적 연마슬러리 조성물 |
Citations (5)
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KR20000022769A (ko) * | 1998-09-01 | 2000-04-25 | 고시야마 이사무 | 연마용 조성물 |
KR20000035614A (ko) * | 1998-11-24 | 2000-06-26 | 윌리엄 비. 켐플러 | 기계화학적 평면화에 사용되는 과산소-함유 슬러리의안정화 |
KR20010035669A (ko) * | 1999-10-01 | 2001-05-07 | 윤종용 | 씨엠피용 비선택성 금속 슬러리 및 이를 이용한 씨엠피 방법 |
KR20020042500A (ko) * | 2000-11-30 | 2002-06-05 | 마쯔모또 에이찌 | 연마 방법 |
KR20040029239A (ko) * | 2002-09-25 | 2004-04-06 | 주식회사 동진쎄미켐 | 텅스텐 금속막 연마용 화학-기계적 연마 슬러리 조성물 |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR20000022769A (ko) * | 1998-09-01 | 2000-04-25 | 고시야마 이사무 | 연마용 조성물 |
KR20000035614A (ko) * | 1998-11-24 | 2000-06-26 | 윌리엄 비. 켐플러 | 기계화학적 평면화에 사용되는 과산소-함유 슬러리의안정화 |
KR20010035669A (ko) * | 1999-10-01 | 2001-05-07 | 윤종용 | 씨엠피용 비선택성 금속 슬러리 및 이를 이용한 씨엠피 방법 |
KR20020042500A (ko) * | 2000-11-30 | 2002-06-05 | 마쯔모또 에이찌 | 연마 방법 |
KR20040029239A (ko) * | 2002-09-25 | 2004-04-06 | 주식회사 동진쎄미켐 | 텅스텐 금속막 연마용 화학-기계적 연마 슬러리 조성물 |
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