JP2016527707A - 窒化チタンを選択的にエッチングするための組成物及び方法 - Google Patents
窒化チタンを選択的にエッチングするための組成物及び方法 Download PDFInfo
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- JP2016527707A JP2016527707A JP2016518038A JP2016518038A JP2016527707A JP 2016527707 A JP2016527707 A JP 2016527707A JP 2016518038 A JP2016518038 A JP 2016518038A JP 2016518038 A JP2016518038 A JP 2016518038A JP 2016527707 A JP2016527707 A JP 2016527707A
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- Prior art keywords
- acid
- ammonium
- composition
- ether
- hydroxide
- Prior art date
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- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 141
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000005530 etching Methods 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 26
- 239000000463 material Substances 0.000 claims abstract description 62
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 45
- 238000004377 microelectronic Methods 0.000 claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000007800 oxidant agent Substances 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 35
- 239000003112 inhibitor Substances 0.000 claims abstract description 32
- 238000005260 corrosion Methods 0.000 claims abstract description 31
- 230000007797 corrosion Effects 0.000 claims abstract description 31
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 54
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 48
- -1 hexafluorosilicic acid Chemical compound 0.000 claims description 41
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 32
- 239000002738 chelating agent Substances 0.000 claims description 23
- 239000002904 solvent Substances 0.000 claims description 23
- FCKYPQBAHLOOJQ-UHFFFAOYSA-N Cyclohexane-1,2-diaminetetraacetic acid Chemical compound OC(=O)CN(CC(O)=O)C1CCCCC1N(CC(O)=O)CC(O)=O FCKYPQBAHLOOJQ-UHFFFAOYSA-N 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- HMBHAQMOBKLWRX-UHFFFAOYSA-N 2,3-dihydro-1,4-benzodioxine-3-carboxylic acid Chemical compound C1=CC=C2OC(C(=O)O)COC2=C1 HMBHAQMOBKLWRX-UHFFFAOYSA-N 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- 229940075419 choline hydroxide Drugs 0.000 claims description 15
- IJGSGCGKAAXRSC-UHFFFAOYSA-M tris(2-hydroxyethyl)-methylazanium;hydroxide Chemical compound [OH-].OCC[N+](C)(CCO)CCO IJGSGCGKAAXRSC-UHFFFAOYSA-M 0.000 claims description 15
- 150000003839 salts Chemical group 0.000 claims description 14
- KLSJWNVTNUYHDU-UHFFFAOYSA-N Amitrole Chemical compound NC1=NC=NN1 KLSJWNVTNUYHDU-UHFFFAOYSA-N 0.000 claims description 13
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- 239000013626 chemical specie Substances 0.000 claims description 12
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 11
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 10
- LRUDIIUSNGCQKF-UHFFFAOYSA-N 5-methyl-1H-benzotriazole Chemical compound C1=C(C)C=CC2=NNN=C21 LRUDIIUSNGCQKF-UHFFFAOYSA-N 0.000 claims description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 10
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 claims description 9
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims description 9
- 229960003330 pentetic acid Drugs 0.000 claims description 9
- 239000004094 surface-active agent Substances 0.000 claims description 9
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 8
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 8
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 8
- OIRDTQYFTABQOQ-KQYNXXCUSA-N adenosine Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O OIRDTQYFTABQOQ-KQYNXXCUSA-N 0.000 claims description 8
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 claims description 8
- 239000012964 benzotriazole Substances 0.000 claims description 8
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 8
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 8
- 229920000053 polysorbate 80 Polymers 0.000 claims description 8
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 claims description 8
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims description 6
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 6
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 6
- 239000001089 [(2R)-oxolan-2-yl]methanol Substances 0.000 claims description 6
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- FKPSBYZGRQJIMO-UHFFFAOYSA-M benzyl(triethyl)azanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC1=CC=CC=C1 FKPSBYZGRQJIMO-UHFFFAOYSA-M 0.000 claims description 6
- HXWGXXDEYMNGCT-UHFFFAOYSA-M decyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCC[N+](C)(C)C HXWGXXDEYMNGCT-UHFFFAOYSA-M 0.000 claims description 6
- JQDCIBMGKCMHQV-UHFFFAOYSA-M diethyl(dimethyl)azanium;hydroxide Chemical compound [OH-].CC[N+](C)(C)CC JQDCIBMGKCMHQV-UHFFFAOYSA-M 0.000 claims description 6
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 claims description 6
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 claims description 6
- DQKGOGJIOHUEGK-UHFFFAOYSA-M hydron;2-hydroxyethyl(trimethyl)azanium;carbonate Chemical compound OC([O-])=O.C[N+](C)(C)CCO DQKGOGJIOHUEGK-UHFFFAOYSA-M 0.000 claims description 6
- 229910052740 iodine Inorganic materials 0.000 claims description 6
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 6
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 claims description 6
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 6
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 claims description 5
- WZUUZPAYWFIBDF-UHFFFAOYSA-N 5-amino-1,2-dihydro-1,2,4-triazole-3-thione Chemical compound NC1=NNC(S)=N1 WZUUZPAYWFIBDF-UHFFFAOYSA-N 0.000 claims description 5
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 5
- 229920001213 Polysorbate 20 Polymers 0.000 claims description 5
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 claims description 5
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 claims description 5
- 229940051250 hexylene glycol Drugs 0.000 claims description 5
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 claims description 5
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims description 5
- 229920001451 polypropylene glycol Polymers 0.000 claims description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 5
- 229960002317 succinimide Drugs 0.000 claims description 5
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical compound C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 claims description 5
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 claims description 5
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 claims description 4
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 claims description 4
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims description 4
- GGZHVNZHFYCSEV-UHFFFAOYSA-N 1-Phenyl-5-mercaptotetrazole Chemical compound SC1=NN=NN1C1=CC=CC=C1 GGZHVNZHFYCSEV-UHFFFAOYSA-N 0.000 claims description 4
- BBMCTIGTTCKYKF-UHFFFAOYSA-N 1-heptanol Chemical compound CCCCCCCO BBMCTIGTTCKYKF-UHFFFAOYSA-N 0.000 claims description 4
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 4
- WAEVWDZKMBQDEJ-UHFFFAOYSA-N 2-[2-(2-methoxypropoxy)propoxy]propan-1-ol Chemical compound COC(C)COC(C)COC(C)CO WAEVWDZKMBQDEJ-UHFFFAOYSA-N 0.000 claims description 4
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims description 4
- GDGIVSREGUOIJZ-UHFFFAOYSA-N 5-amino-3h-1,3,4-thiadiazole-2-thione Chemical group NC1=NN=C(S)S1 GDGIVSREGUOIJZ-UHFFFAOYSA-N 0.000 claims description 4
- XZGLNCKSNVGDNX-UHFFFAOYSA-N 5-methyl-2h-tetrazole Chemical compound CC=1N=NNN=1 XZGLNCKSNVGDNX-UHFFFAOYSA-N 0.000 claims description 4
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 claims description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 4
- 239000002126 C01EB10 - Adenosine Substances 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- 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 description 4
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 4
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- CWRVKFFCRWGWCS-UHFFFAOYSA-N Pentrazole Chemical compound C1CCCCC2=NN=NN21 CWRVKFFCRWGWCS-UHFFFAOYSA-N 0.000 claims description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 4
- LINDOXZENKYESA-UHFFFAOYSA-N TMG Natural products CNC(N)=NC LINDOXZENKYESA-UHFFFAOYSA-N 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 4
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 claims description 4
- 229960005305 adenosine Drugs 0.000 claims description 4
- HIMXGTXNXJYFGB-UHFFFAOYSA-N alloxan Chemical compound O=C1NC(=O)C(=O)C(=O)N1 HIMXGTXNXJYFGB-UHFFFAOYSA-N 0.000 claims description 4
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 4
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 4
- 229920001400 block copolymer Polymers 0.000 claims description 4
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 4
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 4
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 4
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 claims description 4
- 229960005152 pentetrazol Drugs 0.000 claims description 4
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 4
- 239000012266 salt solution Substances 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 4
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 claims description 4
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910001935 vanadium oxide Inorganic materials 0.000 claims description 4
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 claims description 3
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 3
- CXRFDZFCGOPDTD-UHFFFAOYSA-M Cetrimide Chemical compound [Br-].CCCCCCCCCCCCCC[N+](C)(C)C CXRFDZFCGOPDTD-UHFFFAOYSA-M 0.000 claims description 3
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 3
- 229910020366 ClO 4 Inorganic materials 0.000 claims description 3
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 claims description 3
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 claims description 3
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 claims description 3
- 235000019270 ammonium chloride Nutrition 0.000 claims description 3
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- KBKZYWOOZPIUJT-UHFFFAOYSA-N azane;hypochlorous acid Chemical compound N.ClO KBKZYWOOZPIUJT-UHFFFAOYSA-N 0.000 claims description 3
- 229960000686 benzalkonium chloride Drugs 0.000 claims description 3
- CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 claims description 3
- NDKBVBUGCNGSJJ-UHFFFAOYSA-M benzyltrimethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)CC1=CC=CC=C1 NDKBVBUGCNGSJJ-UHFFFAOYSA-M 0.000 claims description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004327 boric acid Substances 0.000 claims description 3
- 125000002091 cationic group Chemical group 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 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 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 3
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- LFINSDKRYHNMRB-UHFFFAOYSA-N diazanium;oxido sulfate Chemical compound [NH4+].[NH4+].[O-]OS([O-])(=O)=O LFINSDKRYHNMRB-UHFFFAOYSA-N 0.000 claims description 2
- NMGYKLMMQCTUGI-UHFFFAOYSA-J diazanium;titanium(4+);hexafluoride Chemical compound [NH4+].[NH4+].[F-].[F-].[F-].[F-].[F-].[F-].[Ti+4] NMGYKLMMQCTUGI-UHFFFAOYSA-J 0.000 claims description 2
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical compound CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 claims description 2
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- KVFVBPYVNUCWJX-UHFFFAOYSA-M ethyl(trimethyl)azanium;hydroxide Chemical compound [OH-].CC[N+](C)(C)C KVFVBPYVNUCWJX-UHFFFAOYSA-M 0.000 claims description 2
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- 125000001475 halogen functional group Chemical group 0.000 claims description 2
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- IGMBKNUVZFAHJM-UHFFFAOYSA-I hydrogen sulfate;oxido hydrogen sulfate;tetrabutylazanium;sulfate Chemical compound OS([O-])(=O)=O.[O-]S([O-])(=O)=O.OS(=O)(=O)O[O-].OS(=O)(=O)O[O-].CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC IGMBKNUVZFAHJM-UHFFFAOYSA-I 0.000 claims description 2
- NPZTUJOABDZTLV-UHFFFAOYSA-N hydroxybenzotriazole Substances O=C1C=CC=C2NNN=C12 NPZTUJOABDZTLV-UHFFFAOYSA-N 0.000 claims description 2
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- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims description 2
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 2
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- HLQAWDQQEJSALG-UHFFFAOYSA-M tetramethylazanium;periodate Chemical compound C[N+](C)(C)C.[O-]I(=O)(=O)=O HLQAWDQQEJSALG-UHFFFAOYSA-M 0.000 claims description 2
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- GRNRCQKEBXQLAA-UHFFFAOYSA-M triethyl(2-hydroxyethyl)azanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CCO GRNRCQKEBXQLAA-UHFFFAOYSA-M 0.000 claims description 2
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- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 150000007519 polyprotic acids 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
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- YQIVQBMEBZGFBY-UHFFFAOYSA-M tetraheptylazanium;bromide Chemical compound [Br-].CCCCCCC[N+](CCCCCCC)(CCCCCCC)CCCCCCC YQIVQBMEBZGFBY-UHFFFAOYSA-M 0.000 description 1
- AHNISXOXSNAHBZ-UHFFFAOYSA-M tetrakis-decylazanium;bromide Chemical compound [Br-].CCCCCCCCCC[N+](CCCCCCCCCC)(CCCCCCCCCC)CCCCCCCCCC AHNISXOXSNAHBZ-UHFFFAOYSA-M 0.000 description 1
- FDXKBUSUNHRUIZ-UHFFFAOYSA-M tetramethylazanium;chlorite Chemical compound [O-]Cl=O.C[N+](C)(C)C FDXKBUSUNHRUIZ-UHFFFAOYSA-M 0.000 description 1
- WBWDWFZTSDZAIG-UHFFFAOYSA-M thonzonium bromide Chemical compound [Br-].N=1C=CC=NC=1N(CC[N+](C)(C)CCCCCCCCCCCCCCCC)CC1=CC=C(OC)C=C1 WBWDWFZTSDZAIG-UHFFFAOYSA-M 0.000 description 1
- 229950005767 tonzonium bromide Drugs 0.000 description 1
- XDUVTZGINNGNAG-UHFFFAOYSA-M tridodecyl(methyl)azanium;bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](C)(CCCCCCCCCCCC)CCCCCCCCCCCC XDUVTZGINNGNAG-UHFFFAOYSA-M 0.000 description 1
- GPQCSCQDQNXQSV-UHFFFAOYSA-N tridodecylazanium;chloride Chemical compound Cl.CCCCCCCCCCCCN(CCCCCCCCCCCC)CCCCCCCCCCCC GPQCSCQDQNXQSV-UHFFFAOYSA-N 0.000 description 1
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- SZEMGTQCPRNXEG-UHFFFAOYSA-M trimethyl(octadecyl)azanium;bromide Chemical compound [Br-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C SZEMGTQCPRNXEG-UHFFFAOYSA-M 0.000 description 1
- BJAARRARQJZURR-UHFFFAOYSA-N trimethylazanium;hydroxide Chemical compound O.CN(C)C BJAARRARQJZURR-UHFFFAOYSA-N 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
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- C11D3/30—Amines; Substituted amines ; Quaternized amines
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- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
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- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
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- C23G1/20—Other heavy metals
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- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/42—Stripping or agents therefor
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- G03F7/423—Stripping or agents therefor using liquids only containing mineral acids or salts thereof, containing mineral oxidizing substances, e.g. peroxy compounds
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
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- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
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Abstract
Description
[0054] 約1〜約10重量%のTMAH及び約0.01〜約1重量%のキレート化剤を含む濃縮物を、約50〜約95重量%のH2O2(30%)で希釈した。キレート化剤には、CDTA、EDTA−2NH3(エチレンジアミン四酢酸二アンモニウム塩)、EDTMPA、DTPA、HEDP及びNTMP(50%)が含まれた。PETEOS及びTiNのエッチ速度並びに総コバルト損失量を、50℃で測定した。キレート化剤及びその量に依存して、PETEOSエッチ速度は30分間で約0.3Å未満であり、TiNエッチ速度は500Å/分を超え、5分の時点でのCo損失は約1Å〜約45Åの範囲内であった。キレート化剤がHEDP又はDTPAであった場合に、5分の時点でのCo損失は、約10Å未満であった。
[0056] 約1〜約10重量%のTMAH、約0.01〜約0.05重量%のCDTA、及び約0.1〜約2.5重量%の腐食防止剤を含む濃縮物を、約50〜約95重量%のH2O2(30%)で希釈した。腐食防止剤には、5−mBTA、3−ATA/SDS、3−ATA、スクシンイミド、尿酸、MBI、アデノシン、ベンゾチアゾール、5−ATA、Tween 80、Tween 40、Tween 20及びDDPA/Tween−80が含まれた。PETEOS及びTiNのエッチ速度並びに総コバルト損失量を、50℃で測定した。腐食防止剤及びその量に依存して、PETEOSエッチ速度は30分間で約0.3Å未満であり、TiNエッチ速度は500Å/分を超え、5分の時点でのCo損失は約2Å〜約32Åの範囲内であり、20分の時点でのCu損失は20Å未満であった。
[0058] 5〜10重量%のTMAH、0.001〜0.2重量%のCDTA、0.01〜1重量%のmBTA、残部水を含む濃縮物を調製した。半水性調合物を、10重量%の濃縮物を10重量%の有機溶媒及び80重量%のH2O2(30%)と組み合わせることにより調製した。有機溶媒には、ジエチレングリコールモノエチルエーテル、ジエチレングリコールモノブチルエーテル、ジメチルスルホキシド、スルホラン、トリエチレングリコールジメチルエーテル、テトラヒドロフルフリルアルコール、DPGME、プロピレングリコール、エチレングリコール、1,2−ブタンジオール、1,4−ブタンジオール、ヘキシレングリコール、テトラメチル尿素、重炭酸コリン、及び炭酸プロピレンが含まれた。PETEOS、TiN、Cu及びSiONのエッチ速度を、50℃で測定した。この測定において、TiNについての処理時間は30秒であり、PETEOS、Cu及びSiONについての処理時間は30分であった。重炭酸コリン又は炭酸プロピレンを使用した場合を除く、調合物の全てについて、PETEOS及びSiONエッチ速度は0.5Å未満であり、Cuエッチ速度は0.5Å未満であった。ジエチレングリコールモノエチルエーテルを使用した場合を除いて、全てが、210Å/分を超えるTiNエッチ速度を有していた。
[0060] 約1〜約10重量%のKOH、約1重量%〜約10重量%の安定化された水酸化コリン(、約0.01〜約1重量%のCDTA、及び約0.1重量%〜約10重量%の腐食防止剤を含む濃縮物を調製した。腐食防止剤には、mBTA、TAZ又は3−ATAが含まれた。濃縮物を、1部の濃縮物を9部の過酸化水素(30%)と組み合わせることにより希釈した。Black Diamond低k誘電体、Cu、Co、及びSiNのエッチ速度を、60℃で測定した。TiNのエッチ速度は、50℃にて30秒の時点で測定した。いずれの場合においても、低k誘電体エッチ速度は約0.5Å/分未満であり、SiNエッチ速度は約1Å/分であり、TiNエッチ速度は250Å/分を超えた。Coエッチ速度は、腐食防止剤がTAZ又は3−ATAであった場合に約0.5Å/分未満であった。腐食防止剤が3−ATAであった場合に、Cuエッチ速度は0.5Å/分未満であった。
[0061] 約1重量%〜約10重量%の少なくとも1種のエッチング剤、約0.01〜約1重量%のCDTA、及び約0.01重量%〜約1重量%のmBTAを含む濃縮物を調製した。少なくとも1種のエッチング剤には、TPAH、BTEAH、DEDMAH、又はTHEMAHが含まれた。濃縮物を、1部の濃縮物を9部の過酸化水素(30%)と組み合わせることにより希釈した。Black Diamond低k誘電体、Cu、Co、及びSiNのエッチ速度を、60℃で測定した。TiNのエッチ速度は、50℃にて30秒の時点で測定した。いずれの場合においても、低k誘電体エッチ速度は約1Å/分未満(BTEAH、THEMAH及びDEDMAHを含む溶液は0.5Å/分未満)であり、SiNエッチ速度は約0.8Å/分未満であり、TiNエッチ速度は200Å/分を超え、Cuエッチ速度は約1Å/分未満(THEMAHを含む溶液を除く)であり、Coエッチ速度は約0.5Å/分未満(THEMAHを含む溶液を除く)であった。
[0062] 約1重量%〜約10重量%のKOH、約0.01〜約1重量%のCDTA、及び約0.01重量%〜約1重量%のTAZを含む濃縮物を調製した。濃縮物を、1部の濃縮物を9部の過酸化水素(30%)と組み合わせることにより希釈した。Black Diamond低k誘電体、Cu、及びCoのエッチ速度を、60℃で測定した。TiNのエッチ速度は、50℃にて30秒の時点で測定した。低k誘電体エッチ速度は約0.5Å/分未満であり、TiNエッチ速度は約250Å/分を超え、Cuエッチ速度は約1Å/分未満であり、Coエッチ速度は約1Å/分未満であった。
Claims (19)
- 窒化チタン及び/又はフォトレジストエッチ残渣材料を、それらを上に有するマイクロ電子デバイスの表面から選択的に除去するための組成物であって、前記組成物は、少なくとも1種の酸化剤、少なくとも1種のエッチング剤、少なくとも1種の金属腐食防止剤、少なくとも1種のキレート化剤、及び少なくとも1種の溶媒を含む、組成物。
- 前記エッチング剤が、H2ZrF6、H2TiF6、HPF6、HF、フッ化アンモニウム、テトラフルオロホウ酸、ヘキサフルオロケイ酸、テトラブチルアンモニウムテトラフルオロボレート(TBA−BF4)、ヘキサフルオロケイ酸アンモニウム、ヘキサフルオロチタン酸アンモニウム、テトラメチルアンモニウムヒドロキシド(TMAH)、テトラエチルアンモニウムヒドロキシド(TEAH)、テトラプロピルアンモニウムヒドロキシド(TPAH)、テトラブチルアンモニウムヒドロキシド(TBAH)、ベンジルトリメチルアンモニウムヒドロキシド(BTMAH)、水酸化カリウム、水酸化アンモニウム、ベンジルトリエチルアンモニウムヒドロキシド(BTEAH)、テトラブチルホスホニウムヒドロキシド(TBPH)、(2−ヒドロキシエチル)トリメチルアンモニウムヒドロキシド、(2−ヒドロキシエチル)トリエチルアンモニウムヒドロキシド、(2−ヒドロキシエチル)トリプロピルアンモニウムヒドロキシド、(1−ヒドロキシプロピル)トリメチルアンモニウムヒドロキシド、エチルトリメチルアンモニウムヒドロキシド、ジエチルジメチルアンモニウムヒドロキシド(DEDMAH)、トリス(2−ヒドロキシエチル)メチルアンモニウムヒドロキシド(THEMAH)、1,1,3,3−テトラメチルグアニジン(TMG)、炭酸グアニジン、アルギニン、水酸化アンモニウム、モノエタノールアミン(MEA)、ジエタノールアミン(DEA)、トリエタノールアミン(TEA)、エチレンジアミン、システイン、フッ化テトラアルキルアンモニウム(NR1R2R3R4F)(式中、R1、R2、R3、R4は、互いに同じでも異なっていてもよく、直鎖又は分岐のC1〜C6アルキル基からなる群から選択される)、及びそれらの組み合わせからなる群から選択される化学種を含む、請求項1に記載の組成物。
- 前記エッチング剤が、TMAH、水酸化コリン、水酸化カリウム、THEMAH、及びそれらの任意の組み合わせを含む、請求項1又は2の組成物。
- 前記酸化剤が、過酸化水素、FeCl3、FeF3、Fe(NO3)3、Sr(NO3)2、CoF3、MnF3、オキソン(2KHSO5・KHSO4・K2SO4)、過ヨウ素酸、ヨウ素酸、酸化バナジウム(V)、酸化バナジウム(IV,V)、バナジン酸アンモニウム、ペルオキソ一硫酸アンモニウム、亜塩素酸アンモニウム(NH4ClO2)、塩素酸アンモニウム(NH4ClO3)、ヨウ素酸アンモニウム(NH4IO3)、硝酸アンモニウム(NH4NO3)、過ホウ酸アンモニウム(NH4BO3)、過塩素酸アンモニウム(NH4ClO4)、過ヨウ素酸アンモニウム(NH4IO3)、過硫酸アンモニウム((NH4)2S2O8)、次亜塩素酸アンモニウム(NH4ClO)、タングステン酸アンモニウム((NH4)10H2(W2O7))、過硫酸ナトリウム(Na2S2O8)、次亜塩素酸ナトリウム(NaClO)、過ホウ酸ナトリウム、ヨウ素酸カリウム(KIO3)、過マンガン酸カリウム(KMnO4)、過硫酸カリウム、硝酸(HNO3)、過硫酸カリウム(K2S2O8)、次亜塩素酸カリウム(KClO)、亜塩素酸テトラメチルアンモニウム((N(CH3)4)ClO2)、塩素酸テトラメチルアンモニウム((N(CH3)4)ClO3)、ヨウ素酸テトラメチルアンモニウム((N(CH3)4)IO3)、過ホウ酸テトラメチルアンモニウム((N(CH3)4)BO3)、過塩素酸テトラメチルアンモニウム((N(CH3)4)ClO4)、過ヨウ素酸テトラメチルアンモニウム((N(CH3)4)IO4)、過硫酸テトラメチルアンモニウム((N(CH3)4)S2O8)、ペルオキソ一硫酸テトラブチルアンモニウム、ペルオキソ一硫酸、硝酸第二鉄(Fe(NO3)3)、尿素過酸化水素((CO(NH2)2)H2O2)、過酢酸(CH3(CO)OOH)、1,4−ベンゾキノン、トルキノン、ジメチル−1,4−ベンゾキノン、クロラニル、アロキサン、N−メチルモルホリンN−オキシド、トリメチルアミンN−オキシド、及びそれらの組み合わせからなる群から選択される化学種を含む、請求項1〜3のいずれか一項に記載の組成物。
- 前記酸化剤が、過酸化水素を含む、請求項1〜3のいずれか一項に記載の組成物。
- 前記少なくとも1種の溶媒が、水、メタノール、エタノール、イソプロパノール、ブタノール、ペンタノール、ヘキサノール、2−エチル−1−ヘキサノール、ヘプタノール、オクタノール、エチレングリコール、プロピレングリコール、ブチレングリコール、ヘキシレングリコール、炭酸ブチレン、炭酸エチレン、炭酸プロピレン、重炭酸コリン、ジプロピレングリコール、ジメチルスルホキシド、スルホラン、テトラヒドロフルフリルアルコール(THFA)、1,2−ブタンジオール、1,4−ブタンジオール、テトラメチル尿素、ジエチレングリコールモノメチルエーテル、トリエチレングリコールモノメチルエーテル、ジエチレングリコールモノエチルエーテル、トリエチレングリコールモノエチルエーテル、エチレングリコールモノプロピルエーテル、エチレングリコールモノブチルエーテル、ジエチレングリコールモノブチルエーテル、トリエチレングリコールモノブチルエーテル、エチレングリコールモノヘキシルエーテル、ジエチレングリコールモノヘキシルエーテル、エチレングリコールフェニルエーテル、プロピレングリコールメチルエーテル、ジプロピレングリコールメチルエーテル(DPGME)、トリプロピレングリコールメチルエーテル(TPGME)、ジプロピレングリコールジメチルエーテル、ジプロピレングリコールエチルエーテル、プロピレングリコールn−プロピルエーテル、ジプロピレングリコールn−プロピルエーテル(DPGPE)、トリプロピレングリコールn−プロピルエーテル、プロピレングリコールn−ブチルエーテル、ジプロピレングリコールn−ブチルエーテル、トリプロピレングリコールn−ブチルエーテル、プロピレングリコールフェニルエーテル、2,3−ジヒドロデカフルオロペンタン、エチルペルフルオロブチルエーテル、メチルペルフルオロブチルエーテル、アルキルカーボネート、4−メチル−2−ペンタノール、及びそれらの組み合わせからなる群から選択される化学種を含む、請求項1〜5のいずれか一項に記載の組成物。
- 前記少なくとも1種の溶媒が、水を含む、請求項1〜5のいずれか一項に記載の組成物。
- 前記少なくとも1種の金属腐食防止剤が、5−アミノ−1,3,4−チアジアゾール−2−チオール(ATDT)、2−アミノ−5−エチル−1,3,4−チアジアゾール、ベンゾトリアゾール(BTA)、1,2,4−トリアゾール(TAZ)、トリルトリアゾール、5−メチル−ベンゾトリアゾール(mBTA)、5−フェニル−ベンゾトリアゾール、5−ニトロ−ベンゾトリアゾール、ベンゾトリアゾールカルボン酸、3−アミノ−5−メルカプト−1,2,4−トリアゾール、1−アミノ−1,2,4−トリアゾール、ヒドロキシベンゾトリアゾール、2−(5−アミノ−ペンチル)−ベンゾトリアゾール、1−アミノ−1,2,3−トリアゾール、1−アミノ−5−メチル−1,2,3−トリアゾール、3−アミノ−1,2,4−トリアゾール(3−ATA)、5−アミノ−1,2,4−トリアゾール(5−ATA)、3−アミノ−5−メルカプト−1,2,4−トリアゾール、3−アミノ−5−メチルチオ−1H−1,2,4−トリアゾール、3−アミノ−5−メルカプト−1,2,4−トリアゾール、ATA−SDS、3−メルカプト−1,2,4−トリアゾール、3−イソプロピル−1,2,4−トリアゾール、3,5−ジアミノ−1,2,4−トリアゾール、5−フェニルチオール−ベンゾトリアゾール、ハロ−ベンゾトリアゾール(ハロ=F、Cl、Br又はI)、ナフトトリアゾール、2−メルカプトベンゾイミダゾール(MBI)、2−メルカプトベンゾチアゾール、4−メチル−2−フェニルイミダゾール、2−メルカプトチアゾリン、5−アミノテトラゾール、ペンチレンテトラゾール、5−フェニル−1H−テトラゾール、5−ベンジル−1H−テトラゾール、5−メチルテトラゾール、5−メルカプト−1−メチル−テトラゾール、1−フェニル−1H−テトラゾール−5−チオール、Ablumine O、2−ベンジルピリジン、スクシンイミド、2,4−ジアミノ−6−メチル−1,3,5−トリアジン、チアゾール、トリアジン、メチルテトラゾール、1,3−ジメチル−2−イミダゾリジノン、1,5−ペンタメチレンテトラゾール、1−フェニル−5−メルカプトテトラゾール、ジアミノメチルトリアジン、イミダゾリンチオン、4−メチル−4H−1,2,4−トリアゾール−3−チオール、4−アミノ−4H−1,2,4−トリアゾール、ベンゾチアゾール、イミダゾール、ベンゾイミダゾール、2−ブミノベンゾイミダゾール、1−メチルイミダゾール、インジアゾール、デシルトリメチルアンモニウムクロリド(DTAC)、アデノシン、アデニン、スクシンイミド、カルバゾール、サッカリン、尿酸、ベンゾインオキシム、カチオン第4級塩ポリ(エチレングリコール)、ポリ(プロピレングリコール)、エチレンオキシド/プロピレンオキシドブロックコポリマー、ポリオキシエチレン(20)ソルビタンモノオレエート、ポリオキシエチレン(20)ソルビタンモノパルミテート、ポリオキシエチレン(20)ソルビタンモノラウレート、ポリオキシプロピレン/ポリオキシエチレンブロックコポリマー、ドデシルベンゼンスルホン酸、ドデシルベンゼンスルホン酸ナトリウム(SDS)、ドデシルホスホン酸(DDPA)、ビス(2−エチルヘキシル)ホスフェート、ベンジルホスホン酸、ジフェニルホスフィン酸、1,2−エチレンジホスホン酸、フェニルホスホン酸、桂皮酸、セチルトリメチルアンモニウムブロミド、ミリスチルトリメチルアンモニウムブロミド、及びそれらの組み合わせからなる群から選択される化学種を含むからなる群から選択される、請求項1〜7のいずれか一項に記載の組成物。
- 前記金属腐食防止剤が、5−メチル−1H−ベンゾトリアゾール、3−ATA、1,2,4−トリアゾール、及び/又はDTACを含む、請求項1〜8のいずれか一項に記載の組成物。
- 前記少なくとも1種のキレート化剤が、アセチルアセトネート、1,1,1−トリフルオロ−2,4−ペンタンジオン、1,1,1,5,5,5−ヘキサフルオロ−2,4−ペンタンジオン、グリシン、セリン、プロリン、ロイシン、アラニン、アスパラギン、アスパラギン酸、グルタミン、バリン及びリジン、イミノ二酢酸(IDA)、マロン酸、シュウ酸、コハク酸、ホウ酸、ニトリロ三酢酸、リンゴ酸、クエン酸、酢酸、マレイン酸、エチレンジアミン四酢酸(EDTA)、エチレンジアミン四酢酸二アンモニウム塩、(1,2−シクロヘキシレンジニトリロ)四酢酸(CDTA)、ジエチレントリアミン五酢酸(DTPA)、2−ホスホノブタン−1,2,4−トリカルボン酸(PBTCA)、エチレンジアミンジコハク酸、プロピレンジアミン四酢酸、ホスホン酸、ヒドロキシエチリデンジホスホン酸(HEDP)、1−ヒドロキシエタン−1,1−ジホスホン酸、ニトリロ−トリス(メチレンホスホン酸)(NTMP)、アミノトリ(メチレンホスホン酸)、ジエチレントリアミンペンタ(メチレンホスホン酸)、エチレンジアミンテトラ(メチレンホスホン酸)(EDTMPA)、エチレンジアミン、2,4−ペンタンジオン、塩化ベンザルコニウム、1−イミダゾール、テトラグリム、ペンタメチルジエチレントリアミン(PMDETA)、1,3,5−トリアジン−2,4,6−チチオール三ナトリウム塩溶液、1,3,5−トリアジン−2,4,6−チチオール三アンモニウム塩溶液、ジエチルジチオカルバミン酸ナトリウム、二置換ジチオカルバメート、スルファニルアミド、モノエタノールアミン(MEA)、2−ヒドロキシピリジン1−オキシド、五塩基性三リン酸ナトリウム、及びそれらの組み合わせからなる群から選択される化学種を含む、請求項1〜9のいずれか一項に記載の組成物。
- 前記少なくとも1種のキレート化剤が、CDTAを含む、請求項1〜10のいずれか一項に記載の組成物。
- 前記少なくとも1種のキレート化剤が、酢酸塩、塩化物、臭化物、ヨウ化物、硫酸塩、安息香酸塩、プロピオン酸塩、クエン酸塩、ギ酸塩、シュウ酸塩、酒石酸塩、コハク酸塩、乳酸塩、マレイン酸塩、マロン酸塩、フマル酸塩、リンゴ酸塩、アスコルビン酸塩、マンデル酸塩、及びフタル酸塩のアンモニウムカチオン又はテトラアルキルアンモニウムカチオン、並びにそれらの組み合わせからなる群から選択される化学種を含む、請求項1〜11のいずれか一項に記載の組成物。
- 前記少なくとも1種のキレート化剤が、臭化アンモニウム及び/又は塩化アンモニウムを含む、請求項1〜12のいずれか一項に記載の組成物。
- 少なくとも1種の界面活性剤、少なくとも1種の低kパッシベート剤、及びそれらの組み合わせからなる群から選択される少なくとも1種の追加の成分をさらに含む、請求項1〜13のいずれか一項に記載の組成物。
- 前記組成物が、ケイ酸塩、研磨材、金属ハロゲン化物、及びそれらの組み合わせを実質的に欠く、請求項1〜14のいずれか一項に記載の組成物。
- 前記組成物のpHが、約5〜約12の範囲内である、請求項1〜15のいずれか一項に記載の組成物。
- 窒化チタン材料を、それを上に有するマイクロ電子デバイスの表面からエッチングする方法であって、前記方法は、前記表面を、請求項1〜16のいずれか一項に記載の組成物と接触させる工程を含み、前記組成物は、前記窒化チタン材料を、金属及び絶縁材料に比べて選択的に前記表面から除去するものである、方法。
- 前記接触させる工程が、約20℃〜約100℃の範囲内の温度での約0.3分〜約30分の範囲内の時間を含む、請求項17に記載の方法。
- 前記組成物が、所望のエッチング作用に続いて前記表面からすすぎ落とされる、請求項17〜18のいずれか一項に記載の方法。
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Also Published As
Publication number | Publication date |
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EP3004287A4 (en) | 2017-06-21 |
US20160130500A1 (en) | 2016-05-12 |
JP2019134168A (ja) | 2019-08-08 |
EP3004287B1 (en) | 2021-08-18 |
SG10201708364XA (en) | 2017-11-29 |
JP6723152B2 (ja) | 2020-07-15 |
CN111394100A (zh) | 2020-07-10 |
TWI651396B (zh) | 2019-02-21 |
EP3004287A1 (en) | 2016-04-13 |
CN105683336A (zh) | 2016-06-15 |
TW201504397A (zh) | 2015-02-01 |
SG11201509933QA (en) | 2016-01-28 |
US10920141B2 (en) | 2021-02-16 |
WO2014197808A1 (en) | 2014-12-11 |
KR102338550B1 (ko) | 2021-12-14 |
KR20160014714A (ko) | 2016-02-11 |
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