WO2006137497A1 - メタル材料用エッチング剤組成物およびそれを用いた半導体デバイスの製造方法 - Google Patents
メタル材料用エッチング剤組成物およびそれを用いた半導体デバイスの製造方法 Download PDFInfo
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- WO2006137497A1 WO2006137497A1 PCT/JP2006/312545 JP2006312545W WO2006137497A1 WO 2006137497 A1 WO2006137497 A1 WO 2006137497A1 JP 2006312545 W JP2006312545 W JP 2006312545W WO 2006137497 A1 WO2006137497 A1 WO 2006137497A1
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- WIPO (PCT)
- Prior art keywords
- acid
- etching
- mass
- composition according
- dielectric constant
- Prior art date
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- 238000005530 etching Methods 0.000 title claims abstract description 80
- 239000007769 metal material Substances 0.000 title claims abstract description 57
- 239000000203 mixture Substances 0.000 title claims abstract description 56
- 239000004065 semiconductor Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title abstract description 18
- 239000011810 insulating material Substances 0.000 claims abstract description 64
- 239000002738 chelating agent Substances 0.000 claims abstract description 22
- 150000002222 fluorine compounds Chemical class 0.000 claims abstract description 21
- 125000000524 functional group Chemical group 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 14
- 239000011574 phosphorus Substances 0.000 claims abstract description 14
- 150000007524 organic acids Chemical class 0.000 claims abstract description 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 13
- 150000007522 mineralic acids Chemical class 0.000 claims abstract description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000004715 keto acids Chemical class 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims abstract description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000003795 chemical substances by application Substances 0.000 claims description 28
- 150000004767 nitrides Chemical class 0.000 claims description 18
- -1 phosphorus oxoacid Chemical class 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 12
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 8
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 7
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 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 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 4
- 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 4
- 235000011054 acetic acid Nutrition 0.000 claims description 4
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 4
- 229910052735 hafnium Inorganic materials 0.000 claims description 4
- MOVBJUGHBJJKOW-UHFFFAOYSA-N methyl 2-amino-5-methoxybenzoate Chemical compound COC(=O)C1=CC(OC)=CC=C1N MOVBJUGHBJJKOW-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 235000019260 propionic acid Nutrition 0.000 claims description 4
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 4
- 235000013024 sodium fluoride Nutrition 0.000 claims description 4
- 239000011775 sodium fluoride Substances 0.000 claims description 4
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011975 tartaric acid Substances 0.000 claims description 4
- 235000002906 tartaric acid Nutrition 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 3
- 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 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000001630 malic acid Substances 0.000 claims description 3
- 235000011090 malic acid Nutrition 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 235000003270 potassium fluoride Nutrition 0.000 claims description 3
- 239000011698 potassium fluoride Substances 0.000 claims description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- 239000002253 acid Substances 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229910004200 TaSiN Inorganic materials 0.000 description 5
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 5
- 235000011007 phosphoric acid Nutrition 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- 150000001204 N-oxides Chemical class 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- LCTONWCANYUPML-UHFFFAOYSA-N Pyruvic acid Chemical compound CC(=O)C(O)=O LCTONWCANYUPML-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 150000003009 phosphonic acids Chemical class 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N thiocyanic acid Chemical compound SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 2
- BHHYHSUAOQUXJK-UHFFFAOYSA-L zinc fluoride Chemical compound F[Zn]F BHHYHSUAOQUXJK-UHFFFAOYSA-L 0.000 description 2
- RPAJSBKBKSSMLJ-DFWYDOINSA-N (2s)-2-aminopentanedioic acid;hydrochloride Chemical class Cl.OC(=O)[C@@H](N)CCC(O)=O RPAJSBKBKSSMLJ-DFWYDOINSA-N 0.000 description 1
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- ODNBVEIAQAZNNM-UHFFFAOYSA-N 1-(6-chloroimidazo[1,2-b]pyridazin-3-yl)ethanone Chemical compound C1=CC(Cl)=NN2C(C(=O)C)=CN=C21 ODNBVEIAQAZNNM-UHFFFAOYSA-N 0.000 description 1
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- HZNVUJQVZSTENZ-UHFFFAOYSA-N 2,3-dichloro-5,6-dicyano-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(C#N)=C(C#N)C1=O HZNVUJQVZSTENZ-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- PTOKDFKDUYQOAK-UHFFFAOYSA-N 2-aminoethanol;hydrofluoride Chemical compound F.NCCO PTOKDFKDUYQOAK-UHFFFAOYSA-N 0.000 description 1
- CFAOOHORWCGLMC-UHFFFAOYSA-N 2-aminoethylphosphinic acid Chemical compound NCCP(O)=O CFAOOHORWCGLMC-UHFFFAOYSA-N 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- GUNJVIDCYZYFGV-UHFFFAOYSA-K Antimony trifluoride Inorganic materials F[Sb](F)F GUNJVIDCYZYFGV-UHFFFAOYSA-K 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- TUYRAIOYNUOFNH-UHFFFAOYSA-N CP(=O)(O)OP(=O)O Chemical compound CP(=O)(O)OP(=O)O TUYRAIOYNUOFNH-UHFFFAOYSA-N 0.000 description 1
- QEVGZEDELICMKH-UHFFFAOYSA-N Diglycolic acid Chemical compound OC(=O)COCC(O)=O QEVGZEDELICMKH-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- OEOITMAKISPTIP-UHFFFAOYSA-N OP(=O)c1cccc2cccnc12 Chemical compound OP(=O)c1cccc2cccnc12 OEOITMAKISPTIP-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 description 1
- 229910001632 barium fluoride Inorganic materials 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- QCCDYNYSHILRDG-UHFFFAOYSA-K cerium(3+);trifluoride Chemical compound [F-].[F-].[F-].[Ce+3] QCCDYNYSHILRDG-UHFFFAOYSA-K 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- AZSFNUJOCKMOGB-UHFFFAOYSA-N cyclotriphosphoric acid Chemical compound OP1(=O)OP(O)(=O)OP(O)(=O)O1 AZSFNUJOCKMOGB-UHFFFAOYSA-N 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
- WSLQHGMJTGELSF-UHFFFAOYSA-L dipotassium;difluoride Chemical compound [F-].[F-].[K+].[K+] WSLQHGMJTGELSF-UHFFFAOYSA-L 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- LZCVHHFGMKXLBU-UHFFFAOYSA-N ethanamine;hydrofluoride Chemical compound [F-].CC[NH3+] LZCVHHFGMKXLBU-UHFFFAOYSA-N 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- YAFKGUAJYKXPDI-UHFFFAOYSA-J lead tetrafluoride Chemical compound F[Pb](F)(F)F YAFKGUAJYKXPDI-UHFFFAOYSA-J 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- RRSMHQNLDRCPQG-UHFFFAOYSA-N methanamine;hydrofluoride Chemical compound [F-].[NH3+]C RRSMHQNLDRCPQG-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- VBKNTGMWIPUCRF-UHFFFAOYSA-M potassium;fluoride;hydrofluoride Chemical compound F.[F-].[K+] VBKNTGMWIPUCRF-UHFFFAOYSA-M 0.000 description 1
- DSISTIFLMZXDDI-UHFFFAOYSA-N propan-1-amine;hydrofluoride Chemical compound F.CCCN DSISTIFLMZXDDI-UHFFFAOYSA-N 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- 229940107700 pyruvic acid Drugs 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- BFXAWOHHDUIALU-UHFFFAOYSA-M sodium;hydron;difluoride Chemical compound F.[F-].[Na+] BFXAWOHHDUIALU-UHFFFAOYSA-M 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- FVRNDBHWWSPNOM-UHFFFAOYSA-L strontium fluoride Chemical compound [F-].[F-].[Sr+2] FVRNDBHWWSPNOM-UHFFFAOYSA-L 0.000 description 1
- 229910001637 strontium fluoride Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- POVVSDFLZJPOGC-UHFFFAOYSA-M tetraethoxyazanium;fluoride Chemical compound [F-].CCO[N+](OCC)(OCC)OCC POVVSDFLZJPOGC-UHFFFAOYSA-M 0.000 description 1
- QSUJAUYJBJRLKV-UHFFFAOYSA-M tetraethylazanium;fluoride Chemical compound [F-].CC[N+](CC)(CC)CC QSUJAUYJBJRLKV-UHFFFAOYSA-M 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- ASVMCHUOIVTKQQ-UHFFFAOYSA-M triethyl(methyl)azanium;fluoride Chemical compound [F-].CC[N+](C)(CC)CC ASVMCHUOIVTKQQ-UHFFFAOYSA-M 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—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
- H01L21/3213—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
- H01L21/32134—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by liquid etching only
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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
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
- C09K13/08—Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
-
- 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
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
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- 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
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/26—Acidic compositions for etching refractory metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/518—Insulating materials associated therewith the insulating material containing nitrogen, e.g. nitride, oxynitride, nitrogen-doped material
Definitions
- the present invention relates to a metal material selectively and efficiently in the manufacture of a semiconductor device made of a high dielectric constant insulating material, an insulating material made of silicon oxide film or nitride film, and a metal material cover.
- the present invention relates to an etching agent yarn used for well etching and a method for manufacturing a semiconductor device using the same.
- an insulating material having a dielectric constant of 10 or more is employed instead of silicon oxide having a dielectric constant of 3.9.
- Such high dielectric constant insulating materials include rare earth element oxides such as Al 2 O 3, HfO 3, Y 2, and ZrO, and lanthanum.
- the gate insulating layer can have a thickness capable of preventing a tunnel current while maintaining the gate insulating material capacity in accordance with the scaling rule even if the gate length is reduced.
- Such a high dielectric constant insulating material an insulating material comprising a silicon oxide film or a nitride film, and
- a process for selectively etching metal materials occurs. For example, during the process of patterning a metal material only on the first gate region of a dual gate transistor, a high dielectric constant insulating material and a metal material are deposited on the insulating material, and then the second gate region. A process that etches only these metal materials.
- the insulating material and the high dielectric constant insulating material cannot be selected from the metal material, and the insulating material and the high dielectric constant insulating material are It may be etched, making precise processing difficult. Furthermore, metal material etching technology using the wet etching method has been reported.
- the present invention relates to a high dielectric constant insulating material, an insulating material made of an oxide film or a nitride film, and a metal, which are indispensable for the technology for suppressing the tunnel current, reducing the signal delay, and improving the driving force of the semiconductor device. It relates to an etchant used to selectively and efficiently etch metal materials in the manufacture of semiconductor devices that also have material strength, and is corrosive to insulating materials made of high dielectric constant insulating materials and oxide films or nitride films.
- An object of the present invention is to provide an etchant composition that etches a metal material selectively and efficiently.
- an aqueous solution containing a fluorine compound, or an inorganic acid in the fluorine compound aqueous solution containing a fluorine compound, or an inorganic acid in the fluorine compound.
- an etching agent composition in which a chelating agent having a functional element of phosphorous oxo acid in the molecular structure is added to an aqueous solution containing either organic acid enables fine etching of the metal material by etching.
- the present invention has been completed by discovering that it has extremely excellent characteristics with a high dielectric constant insulating material and an insulating material composed of an oxide film or a nitride film and has little corrosivity.
- the present invention relates to the following etching composition for metal materials and a method for producing a semiconductor device using the same.
- An etchant used to selectively etch metal materials in the manufacture of semiconductor devices such as high dielectric constant insulating materials, silicon oxide films or nitride films, and metal materials.
- An etching agent composition which is an aqueous solution containing a fluorine compound and a chelating agent having, as a functional group, an oxo acid of phosphorus element in a molecular structure.
- Etching agent used to selectively etch metal materials in the manufacture of semiconductor devices made of high dielectric constant insulating materials, silicon oxide films or nitride films, and metal materials.
- An etching agent composition which is an aqueous solution containing a fluorine compound, a chelating agent having a phosphorus element in the molecular structure as a functional group, and an inorganic acid and / or an organic acid.
- etching agent composition according to 1 above wherein the fluorine compound is from 0.001 to 10% by mass, and the chelating agent having a molecular element having phosphorus oxoacid as a functional group is from 0.001 to 10% by mass.
- Fluorine compound power Hydrofluoric acid, ammonium fluoride, tetramethylammonium fluoride, sodium fluoride, and potassium fluoride power At least one selected from the above 1 to 5! Etching composition.
- etching agent composition according to 2 or 4 above wherein the inorganic acid is at least one selected from sulfuric acid, nitric acid, hydrochloric acid, phosphoric acid, sulfamic acid, nitrous acid, and amidosulfuric acid.
- etching agent composition according to 2 or 5 above, wherein the organic acid is at least one selected from formic acid, oxalic acid, citrate, malonic acid, succinic acid, acetic acid, propionic acid, phosphoric acid, and tartaric acid.
- Metal material strength Al, Co, Cr, Cu, Fe, Hf, Mo, Nb, Ni, Pt, Ru, Ta, Ti, W, or Zr, or the metal and silicon atoms and / or nitrogen atoms It is characterized by 1 to 8 above, any one of the etchant compositions.
- High dielectric constant insulating materials are AlO, CeO, DyO, ErO, EuO, GdO,
- the etching agent composition according to any one of 1 to 8 above which is a material containing silicon atoms and / or nitrogen atoms.
- the fluorine compound used in the present invention includes hydrofluoric acid, ammonium fluoride, acidic ammonium fluoride, cerium fluoride, tetrafluoride, fluorofluoric acid, and fluoride.
- the fluorine compounds used in the present invention may be used singly or in combination of two or more.
- the concentration of the fluorine compound in the etching agent composition is preferably in the range of 0.001 to 10% by mass. 0. By making 001% by mass or more, a high etching rate of the metal material can be obtained. In addition, by setting the content to 10% by mass or less, it is possible to prevent corrosion of an insulating material made of a high dielectric constant insulating material or an oxide film or a nitride film.
- Examples of the chelating agent having a phosphorus element oxoacid as a functional group in the molecular structure used in the present invention include methyldiphosphonic acid, aminotrismethylenephosphonic acid, 1-hydroxystilidene 1,1-diphosphonic acid, Ethylaminobismethylenephosphonic acid, dodecylaminobismethylenephosphonic acid, nitrilotrismethylenephosphonic acid, ethylenediaminebismethylenephosphonic acid, ethylenediaminetetrakismethylenephosphonic acid, hexenediaminetetrakismethylenephosphonic acid, diethylenetriaminepentamethylenephosphonic Phosphonic acid chelating agents having a phosphonic acid group in the molecule such as acid, 1,2-propandiaminetetramethylenephosphonic acid, or their ammonium salts, organic amine salts, alkali metal salts, or phosphonic acids
- acid chelating agents those containing nitrogen atoms in the molecule are acidified to form
- the chelating agents having a molecular structure containing an oxo acid of phosphorus element as a functional group may be used alone or in combination of two or more.
- concentration of the etchant composition of the chelating agent having a Okiso acids of phosphorus element in the molecular structure as a functional group in the range of 0.001 to 10 mass 0/0 are preferred.
- the addition effect can be obtained by setting the content to 0.001% by mass or more, and the precipitation of crystals in the etching agent composition can be prevented by setting the content to 10% by mass or less.
- the inorganic acid used in the present invention is sulfuric acid, nitric acid, hydrochloric acid, phosphoric acid, hypophosphorous acid, carbonic acid, sulfur.
- Aminic acid, boric acid, phosphonic acid, phosphinic acid, nitrous acid, amidosulfuric acid and the like can be mentioned, among which sulfuric acid, nitric acid, hydrochloric acid, phosphoric acid, sulfamic acid, nitrous acid, and amidosulfuric acid are preferable.
- the concentration of the inorganic acid in the etching agent composition is preferably a force of 50% by mass or less, which is appropriately determined by the solubility in water contained. By setting it to 50% by mass or less, in addition to the metal material to be etched, it is possible to prevent the material from being etched unless it is originally intended to be damaged by etching.
- the organic acid used in the present invention is oxalic acid, succinic acid, malonic acid, propionic acid, acetic acid, maleic acid, glycolic acid, diglycolic acid, tartaric acid, itaconic acid, pyruvic acid, malic acid, adipic acid, Formic acid, phthalic acid, benzoic acid, salicylic acid, strong rubamic acid, thiocyanic acid, lactic acid, citrate, among which oxalic acid, citrate, malonic acid, succinic acid, acetic acid, propionic acid, malic acid, and tartaric acid Is preferred.
- the concentration of the organic acid in the etching agent composition is preferably 15% by mass or less as determined by the solubility in water. By adjusting the content to 15% by mass or less, it is possible to prevent the precipitation of crystals in the etching agent composition.
- the inorganic acid and organic acid used in the present invention may be used singly or in combination of two or more. Further, by adding the organic acid or inorganic acid, the insulating material made of silicon oxide film or nitride film is corroded, and the metal material can be etched more efficiently.
- the etchant composition of the present invention may use force by removing the natural oxide film on the surface portion of the metal material with hydrofluoric acid. By pre-treating with hydrofluoric acid, the metal material can be etched more efficiently.
- the etchant composition of the present invention is used in the step of etching all of the metal material to be etched.
- a high dielectric constant insulating material or an oxide film can be formed by a conventional dry etching method using a plasma gas. Alternatively, it can be used to remove an unetched portion of the metal material after etching to an extent without damaging the insulating material made of the nitride film.
- the etching composition of the present invention improves the wettability of the etching composition.
- Additives that have been added may be added. Examples of such additives include a compound having a surface activity, a water-soluble polymer, and a water-soluble or water-miscible organic solvent. These additives can be used if dissolved in the etching agent composition of the present invention, and may be used alone or in combination of two or more.
- the pH of the etching agent yarn according to the present invention may be selected depending on the etching conditions, the type of the semiconductor substrate to be used, and the like.
- adding quaternary ammonium hydroxide such as ammonia, ammine, tetramethylammonium hydroxide, etc.
- An organic acid or the like may be added.
- the use temperature of the etching agent composition of the present invention is appropriately determined along with the use time depending on the type of metal material to be etched and the required etching amount.
- Metal materials to which the etching agent composition of the present invention can be applied are Al, Co, Cr, Cu, Fe, Hf, Mo, Nb, Ni, Pt, Ru, Ta, Ti, W, and Zr. More preferably, it contains at least one selected from the group consisting of Co, Hf, Ni, Ta, Ti, and W.
- a material containing a silicon atom or a nitrogen atom, or a material containing both a silicon atom and a nitrogen atom can be applied. Further, the present invention can be applied even when two of the above materials are mixed or in a laminated state.
- the high dielectric constant insulating material to which the etchant composition of the present invention can be applied is Al 2 O 3, CeO 2
- it contains at least one selected from Yb O and ZrO forces
- Al O, HfO, Ta O and ZrO forces are selected. Or silicon atoms and nitrogen
- the present invention can also be applied to materials containing elemental atoms, or materials containing both silicon atoms and nitrogen atoms. Furthermore, even if two of the above materials are mixed, they can be applied in the laminated state.
- th-SiO which is an insulating material, and a high dielectric constant insulating material.
- HfSiON which is a high dielectric constant insulating material
- HfSiON was almost unetched (less than 5 AZ)
- HfSiON was slightly etched (5-50 AZ)
- HfSiON etching was strong (more than 50 AZ)
- a wafer sample in which th-SiO2 which is an insulating material is formed on a silicon wafer substrate is formed on a silicon wafer substrate.
- th-SiO 2 which is an insulating material
- th-SiO which is an insulating material, and a pure metal material
- the evaluation criteria for Ti which is a pure metal material, are as follows.
- HfSi which is a metal material containing silicon atoms
- HfN which is a metal material containing nitrogen atoms
- Etching performance was confirmed using a wafer sample on which TaSiN, a metal material containing both elemental atoms and nitrogen atoms, was formed.
- the results are shown in Table 4.
- the evaluation criteria for TaSiN, which is a metal material containing both silicon atoms and nitrogen atoms, are as follows. ⁇ : TaSiN was clearly etched
- Comparative Example 8 Comparative Example 22, Comparative Example 36, or Comparative Example 50, precipitation of crystals occurred in the etching agent composition, and thus the etching performance was not confirmed.
- Etching of the material can be suppressed. Therefore, it became clear that the metal material can be etched selectively and efficiently with less corrosiveness to the high dielectric constant insulating material and the insulating material made of oxide film or nitride film.
- the balance is mainly water.
- the balance is mainly water.
- etching agent composition of the present invention By etching a metal material using the etching agent composition of the present invention, selective etching of the metal material, which is difficult only by the conventional etching method using plasma gas, is possible, and a high dielectric constant insulating material It is possible to suppress corrosion of the insulating material made of silicon oxide film or nitride film.
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Abstract
Description
Claims
Priority Applications (4)
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JP2007522372A JP5050850B2 (ja) | 2005-06-24 | 2006-06-22 | メタル材料用エッチング剤組成物およびそれを用いた半導体デバイスの製造方法 |
US11/917,646 US8658053B2 (en) | 2005-06-24 | 2006-06-22 | Etching composition for metal material and method for manufacturing semiconductor device by using same |
EP06780631A EP1895577A4 (en) | 2005-06-24 | 2006-06-22 | CHEMICAL ATTACK COMPOSITION FOR METALLIC MATERIAL AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME |
CN2006800214324A CN101199043B (zh) | 2005-06-24 | 2006-06-22 | 腐蚀剂组合物及使用该组合物的半导体装置的制备方法 |
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JP2005-185695 | 2005-06-24 | ||
JP2005185695 | 2005-06-24 |
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US (1) | US8658053B2 (ja) |
EP (1) | EP1895577A4 (ja) |
JP (1) | JP5050850B2 (ja) |
CN (1) | CN101199043B (ja) |
TW (1) | TWI434339B (ja) |
WO (1) | WO2006137497A1 (ja) |
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JP2007005656A (ja) * | 2005-06-24 | 2007-01-11 | Mitsubishi Gas Chem Co Inc | メタル材料用エッチング剤組成物及びそれを用いた半導体デバイスの製造方法 |
US9281205B2 (en) * | 2008-06-11 | 2016-03-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for etching an ultra thin film |
KR20180016619A (ko) * | 2010-10-06 | 2018-02-14 | 엔테그리스, 아이엔씨. | 질화 금속을 선택적으로 에칭하기 위한 조성물 및 방법 |
KR101868319B1 (ko) * | 2010-10-06 | 2018-06-15 | 엔테그리스, 아이엔씨. | 질화 금속을 선택적으로 에칭하기 위한 조성물 및 방법 |
KR101827031B1 (ko) | 2010-10-06 | 2018-02-07 | 엔테그리스, 아이엔씨. | 질화 금속을 선택적으로 에칭하기 위한 조성물 및 방법 |
WO2013100644A1 (ko) * | 2011-12-28 | 2013-07-04 | 솔브레인 주식회사 | 식각액 조성물 및 이를 이용한 습식 식각 방법 |
JP2013151726A (ja) * | 2012-01-25 | 2013-08-08 | Fujifilm Corp | エッチング方法、およびこれに用いられるエッチング液 |
JP2014001447A (ja) * | 2012-02-07 | 2014-01-09 | Rohm & Haas Electronic Materials Llc | 金属接着を向上させる活性化方法 |
CN105970225A (zh) * | 2016-07-01 | 2016-09-28 | 苏州博洋化学股份有限公司 | 一种铝蚀刻剂及其制备方法 |
KR20190048724A (ko) * | 2017-10-31 | 2019-05-09 | 케이피엑스케미칼 주식회사 | 금속 식각액 조성물 및 이를 이용한 금속층의 식각 방법 |
KR101985167B1 (ko) * | 2017-10-31 | 2019-06-04 | 케이피엑스케미칼 주식회사 | 금속 식각액 조성물 및 이를 이용한 금속층의 식각 방법 |
WO2022131186A1 (ja) * | 2020-12-18 | 2022-06-23 | 株式会社トクヤマ | 遷移金属の半導体の処理方法、および遷移金属酸化物の還元剤含有処理液 |
JP7342288B2 (ja) | 2020-12-18 | 2023-09-11 | 株式会社トクヤマ | 遷移金属の半導体の処理方法、および遷移金属酸化物の還元剤含有処理液 |
Also Published As
Publication number | Publication date |
---|---|
TWI434339B (zh) | 2014-04-11 |
US20100216315A1 (en) | 2010-08-26 |
JP5050850B2 (ja) | 2012-10-17 |
CN101199043A (zh) | 2008-06-11 |
CN101199043B (zh) | 2010-05-19 |
US8658053B2 (en) | 2014-02-25 |
TW200707573A (en) | 2007-02-16 |
EP1895577A1 (en) | 2008-03-05 |
JPWO2006137497A1 (ja) | 2009-01-22 |
EP1895577A4 (en) | 2009-10-28 |
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