JP7146317B1 - 表面処理液および銅の表面処理方法、ならびに銅とスズの接合方法および接合体の製造方法 - Google Patents
表面処理液および銅の表面処理方法、ならびに銅とスズの接合方法および接合体の製造方法 Download PDFInfo
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- JP7146317B1 JP7146317B1 JP2022112430A JP2022112430A JP7146317B1 JP 7146317 B1 JP7146317 B1 JP 7146317B1 JP 2022112430 A JP2022112430 A JP 2022112430A JP 2022112430 A JP2022112430 A JP 2022112430A JP 7146317 B1 JP7146317 B1 JP 7146317B1
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- Prior art keywords
- copper
- surface treatment
- tin
- treatment liquid
- water
- Prior art date
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 74
- 239000010949 copper Substances 0.000 title claims abstract description 74
- 238000004381 surface treatment Methods 0.000 title claims abstract description 46
- 239000007788 liquid Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 47
- -1 thio compound Chemical class 0.000 claims abstract description 46
- 150000001879 copper Chemical class 0.000 claims abstract description 26
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 19
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 17
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 125000004433 nitrogen atom Chemical group N* 0.000 claims abstract description 15
- 125000004434 sulfur atom Chemical group 0.000 claims abstract description 15
- 150000001413 amino acids Chemical class 0.000 claims abstract description 9
- 150000002357 guanidines Chemical class 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- 229920000642 polymer Polymers 0.000 claims description 25
- 150000001875 compounds Chemical class 0.000 claims description 20
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 7
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical group [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 5
- 125000000446 sulfanediyl group Chemical group *S* 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- 125000001453 quaternary ammonium group Chemical group 0.000 description 13
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 229910052717 sulfur Inorganic materials 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 8
- 235000001014 amino acid Nutrition 0.000 description 7
- 239000002585 base Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000003505 polymerization initiator Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 3
- 229910001128 Sn alloy Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- ZRALSGWEFCBTJO-UHFFFAOYSA-N anhydrous guanidine Natural products NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 125000000753 cycloalkyl group Chemical group 0.000 description 3
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229960004198 guanidine Drugs 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 125000005647 linker group Chemical group 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 229920005604 random copolymer Polymers 0.000 description 3
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 3
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- NSDDRJXKROCWRZ-UHFFFAOYSA-N 1-isothiocyanato-2-methylpropane Chemical compound CC(C)CN=C=S NSDDRJXKROCWRZ-UHFFFAOYSA-N 0.000 description 2
- LDKSCZJUIURGMW-UHFFFAOYSA-N 1-isothiocyanato-3-methylsulfanylpropane Chemical compound CSCCCN=C=S LDKSCZJUIURGMW-UHFFFAOYSA-N 0.000 description 2
- SCVJRXQHFJXZFZ-KVQBGUIXSA-N 2-amino-9-[(2r,4s,5r)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-3h-purine-6-thione Chemical class C1=2NC(N)=NC(=S)C=2N=CN1[C@H]1C[C@H](O)[C@@H](CO)O1 SCVJRXQHFJXZFZ-KVQBGUIXSA-N 0.000 description 2
- VHBFEIBMZHEWSX-UHFFFAOYSA-N 2-isothiocyanatopropane Chemical compound CC(C)N=C=S VHBFEIBMZHEWSX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KIWBPDUYBMNFTB-UHFFFAOYSA-N Ethyl hydrogen sulfate Chemical compound CCOS(O)(=O)=O KIWBPDUYBMNFTB-UHFFFAOYSA-N 0.000 description 2
- LGDSHSYDSCRFAB-UHFFFAOYSA-N Methyl isothiocyanate Chemical compound CN=C=S LGDSHSYDSCRFAB-UHFFFAOYSA-N 0.000 description 2
- FCSHMCFRCYZTRQ-UHFFFAOYSA-N N,N'-diphenylthiourea Chemical compound C=1C=CC=CC=1NC(=S)NC1=CC=CC=C1 FCSHMCFRCYZTRQ-UHFFFAOYSA-N 0.000 description 2
- VZUNGTLZRAYYDE-UHFFFAOYSA-N N-methyl-N'-nitro-N-nitrosoguanidine Chemical compound O=NN(C)C(=N)N[N+]([O-])=O VZUNGTLZRAYYDE-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- ZOJBYZNEUISWFT-UHFFFAOYSA-N allyl isothiocyanate Chemical compound C=CCN=C=S ZOJBYZNEUISWFT-UHFFFAOYSA-N 0.000 description 2
- 229920005603 alternating copolymer Polymers 0.000 description 2
- 125000004103 aminoalkyl group Chemical group 0.000 description 2
- HAMNKKUPIHEESI-UHFFFAOYSA-N aminoguanidine Chemical class NNC(N)=N HAMNKKUPIHEESI-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- MDKCFLQDBWCQCV-UHFFFAOYSA-N benzyl isothiocyanate Chemical compound S=C=NCC1=CC=CC=C1 MDKCFLQDBWCQCV-UHFFFAOYSA-N 0.000 description 2
- ABNDFSOIUFLJAH-UHFFFAOYSA-N benzyl thiocyanate Chemical compound N#CSCC1=CC=CC=C1 ABNDFSOIUFLJAH-UHFFFAOYSA-N 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- LIMQQADUEULBSO-UHFFFAOYSA-N butyl isothiocyanate Chemical compound CCCCN=C=S LIMQQADUEULBSO-UHFFFAOYSA-N 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 2
- CVSVTCORWBXHQV-UHFFFAOYSA-N creatine Chemical compound NC(=[NH2+])N(C)CC([O-])=O CVSVTCORWBXHQV-UHFFFAOYSA-N 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- OKGXJRGLYVRVNE-UHFFFAOYSA-N diaminomethylidenethiourea Chemical compound NC(N)=NC(N)=S OKGXJRGLYVRVNE-UHFFFAOYSA-N 0.000 description 2
- MZGNSEAPZQGJRB-UHFFFAOYSA-N dimethyldithiocarbamic acid Chemical class CN(C)C(S)=S MZGNSEAPZQGJRB-UHFFFAOYSA-N 0.000 description 2
- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- HBNYJWAFDZLWRS-UHFFFAOYSA-N ethyl isothiocyanate Chemical compound CCN=C=S HBNYJWAFDZLWRS-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- ZJYYHGLJYGJLLN-UHFFFAOYSA-N guanidinium thiocyanate Chemical compound SC#N.NC(N)=N ZJYYHGLJYGJLLN-UHFFFAOYSA-N 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 2
- QKFJKGMPGYROCL-UHFFFAOYSA-N phenyl isothiocyanate Chemical compound S=C=NC1=CC=CC=C1 QKFJKGMPGYROCL-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical class CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 2
- PHIQHXFUZVPYII-ZCFIWIBFSA-N (R)-carnitine Chemical compound C[N+](C)(C)C[C@H](O)CC([O-])=O PHIQHXFUZVPYII-ZCFIWIBFSA-N 0.000 description 1
- XLONNWGCEFSFTN-UHFFFAOYSA-N (diaminomethylideneamino)azanium;hydrogen sulfate Chemical compound NC(N)=N[NH3+].OS([O-])(=O)=O XLONNWGCEFSFTN-UHFFFAOYSA-N 0.000 description 1
- UYSNRRIIIXZGOZ-UHFFFAOYSA-N (n,n'-diphenylcarbamimidoyl)azanium;hydron;sulfate Chemical class OS([O-])(=O)=O.C=1C=CC=CC=1N=C(N)[NH2+]C1=CC=CC=C1 UYSNRRIIIXZGOZ-UHFFFAOYSA-N 0.000 description 1
- KYVBNYUBXIEUFW-UHFFFAOYSA-N 1,1,3,3-tetramethylguanidine Chemical compound CN(C)C(=N)N(C)C KYVBNYUBXIEUFW-UHFFFAOYSA-N 0.000 description 1
- AMXQPEADWCCOMK-UHFFFAOYSA-N 1,1-diethylguanidine;sulfuric acid Chemical compound OS(O)(=O)=O.CCN(CC)C(N)=N AMXQPEADWCCOMK-UHFFFAOYSA-N 0.000 description 1
- GARJMFRQLMUUDD-UHFFFAOYSA-N 1,1-dimethylpyrrolidin-1-ium Chemical class C[N+]1(C)CCCC1 GARJMFRQLMUUDD-UHFFFAOYSA-N 0.000 description 1
- FUPAJKKAHDLPAZ-UHFFFAOYSA-N 1,2,3-triphenylguanidine Chemical compound C=1C=CC=CC=1NC(=NC=1C=CC=CC=1)NC1=CC=CC=C1 FUPAJKKAHDLPAZ-UHFFFAOYSA-N 0.000 description 1
- OPNUROKCUBTKLF-UHFFFAOYSA-N 1,2-bis(2-methylphenyl)guanidine Chemical compound CC1=CC=CC=C1N\C(N)=N\C1=CC=CC=C1C OPNUROKCUBTKLF-UHFFFAOYSA-N 0.000 description 1
- HAZRIBSLCUYMQP-UHFFFAOYSA-N 1,2-diaminoguanidine;hydron;chloride Chemical compound Cl.NN\C(N)=N/N HAZRIBSLCUYMQP-UHFFFAOYSA-N 0.000 description 1
- BIGYLAKFCGVRAN-UHFFFAOYSA-N 1,3,4-thiadiazolidine-2,5-dithione Chemical compound S=C1NNC(=S)S1 BIGYLAKFCGVRAN-UHFFFAOYSA-N 0.000 description 1
- WZRRRFSJFQTGGB-UHFFFAOYSA-N 1,3,5-triazinane-2,4,6-trithione Chemical compound S=C1NC(=S)NC(=S)N1 WZRRRFSJFQTGGB-UHFFFAOYSA-N 0.000 description 1
- KREOCUNMMFZOOS-UHFFFAOYSA-N 1,3-di(propan-2-yl)thiourea Chemical compound CC(C)NC(S)=NC(C)C KREOCUNMMFZOOS-UHFFFAOYSA-N 0.000 description 1
- KAJICSGLHKRDLN-UHFFFAOYSA-N 1,3-dicyclohexylthiourea Chemical compound C1CCCCC1NC(=S)NC1CCCCC1 KAJICSGLHKRDLN-UHFFFAOYSA-N 0.000 description 1
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 1
- OXFSTTJBVAAALW-UHFFFAOYSA-N 1,3-dihydroimidazole-2-thione Chemical compound SC1=NC=CN1 OXFSTTJBVAAALW-UHFFFAOYSA-N 0.000 description 1
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 1
- WGJCBBASTRWVJL-UHFFFAOYSA-N 1,3-thiazolidine-2-thione Chemical compound SC1=NCCS1 WGJCBBASTRWVJL-UHFFFAOYSA-N 0.000 description 1
- BGPJLYIFDLICMR-UHFFFAOYSA-N 1,4,2,3-dioxadithiolan-5-one Chemical compound O=C1OSSO1 BGPJLYIFDLICMR-UHFFFAOYSA-N 0.000 description 1
- WTYJBGQERCCGAD-UHFFFAOYSA-N 1-Methylguanidine sulfate (2:1) Chemical compound CN=C(N)N.CN=C(N)N.OS(O)(=O)=O WTYJBGQERCCGAD-UHFFFAOYSA-N 0.000 description 1
- GGZHVNZHFYCSEV-UHFFFAOYSA-N 1-Phenyl-5-mercaptotetrazole Chemical compound SC1=NN=NN1C1=CC=CC=C1 GGZHVNZHFYCSEV-UHFFFAOYSA-N 0.000 description 1
- KKXBPUAYFJQMLN-UHFFFAOYSA-N 1-adamantyl(trimethyl)azanium Chemical class C1C(C2)CC3CC2CC1([N+](C)(C)C)C3 KKXBPUAYFJQMLN-UHFFFAOYSA-N 0.000 description 1
- ZUWFBQUHBOUPFK-UHFFFAOYSA-N 1-chloro-2-isothiocyanatoethane Chemical compound ClCCN=C=S ZUWFBQUHBOUPFK-UHFFFAOYSA-N 0.000 description 1
- WACRAFUNNYGNEQ-UHFFFAOYSA-N 1-ethyl-1-methylpiperidin-1-ium Chemical class CC[N+]1(C)CCCCC1 WACRAFUNNYGNEQ-UHFFFAOYSA-N 0.000 description 1
- NIHOUJYFWMURBG-UHFFFAOYSA-N 1-ethyl-1-methylpyrrolidin-1-ium Chemical class CC[N+]1(C)CCCC1 NIHOUJYFWMURBG-UHFFFAOYSA-N 0.000 description 1
- YPKFLUARLJRPQM-UHFFFAOYSA-N 1-isothiocyanatoadamantane Chemical compound C1C(C2)CC3CC2CC1(N=C=S)C3 YPKFLUARLJRPQM-UHFFFAOYSA-N 0.000 description 1
- KKASGUHLXWAKEZ-UHFFFAOYSA-N 1-isothiocyanatopropane Chemical compound CCCN=C=S KKASGUHLXWAKEZ-UHFFFAOYSA-N 0.000 description 1
- OGLIVJFAKNJZRE-UHFFFAOYSA-N 1-methyl-1-propylpiperidin-1-ium Chemical class CCC[N+]1(C)CCCCC1 OGLIVJFAKNJZRE-UHFFFAOYSA-N 0.000 description 1
- YQFWGCSKGJMGHE-UHFFFAOYSA-N 1-methyl-1-propylpyrrolidin-1-ium Chemical class CCC[N+]1(C)CCCC1 YQFWGCSKGJMGHE-UHFFFAOYSA-N 0.000 description 1
- XOHZHMUQBFJTNH-UHFFFAOYSA-N 1-methyl-2h-tetrazole-5-thione Chemical compound CN1N=NN=C1S XOHZHMUQBFJTNH-UHFFFAOYSA-N 0.000 description 1
- PAMIQIKDUOTOBW-UHFFFAOYSA-N 1-methylpiperidine Chemical class CN1CCCCC1 PAMIQIKDUOTOBW-UHFFFAOYSA-N 0.000 description 1
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical class CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 description 1
- JBDOSUUXMYMWQH-UHFFFAOYSA-N 1-naphthyl isothiocyanate Chemical compound C1=CC=C2C(N=C=S)=CC=CC2=C1 JBDOSUUXMYMWQH-UHFFFAOYSA-N 0.000 description 1
- IDCPFAYURAQKDZ-UHFFFAOYSA-N 1-nitroguanidine Chemical compound NC(=N)N[N+]([O-])=O IDCPFAYURAQKDZ-UHFFFAOYSA-N 0.000 description 1
- IINMQQJNRFDBMV-UHFFFAOYSA-N 2-(2-methyl-5-nitrophenyl)guanidine;nitric acid Chemical compound O[N+]([O-])=O.CC1=CC=C([N+]([O-])=O)C=C1N=C(N)N IINMQQJNRFDBMV-UHFFFAOYSA-N 0.000 description 1
- BTDGLZSKNFJBER-UHFFFAOYSA-N 2-(4-cyanophenyl)guanidine Chemical compound NC(=N)NC1=CC=C(C#N)C=C1 BTDGLZSKNFJBER-UHFFFAOYSA-N 0.000 description 1
- IDQNBVFPZMCDDN-UHFFFAOYSA-N 2-Amino-4,6-dimethylpyrimidine Chemical compound CC1=CC(C)=NC(N)=N1 IDQNBVFPZMCDDN-UHFFFAOYSA-N 0.000 description 1
- ZGJOBTCQXNGPBN-UHFFFAOYSA-N 2-[(5-nitrofuran-2-yl)methylideneamino]guanidine Chemical class NC(N)=NN=CC1=CC=C([N+]([O-])=O)O1 ZGJOBTCQXNGPBN-UHFFFAOYSA-N 0.000 description 1
- UBDZFAGVPPMTIT-UHFFFAOYSA-N 2-aminoguanidine;hydron;chloride Chemical compound [Cl-].NC(N)=N[NH3+] UBDZFAGVPPMTIT-UHFFFAOYSA-N 0.000 description 1
- 239000001763 2-hydroxyethyl(trimethyl)azanium Substances 0.000 description 1
- XCXKNNGWSDYMMS-UHFFFAOYSA-N 2-methyl-1-nitroguanidine Chemical compound CNC(N)=N[N+]([O-])=O XCXKNNGWSDYMMS-UHFFFAOYSA-N 0.000 description 1
- QFGRBBWYHIYNIB-UHFFFAOYSA-N 2-methylsulfanyl-4,5-dihydro-1,3-thiazole Chemical compound CSC1=NCCS1 QFGRBBWYHIYNIB-UHFFFAOYSA-N 0.000 description 1
- QRJZGVVKGFIGLI-UHFFFAOYSA-N 2-phenylguanidine Chemical compound NC(=N)NC1=CC=CC=C1 QRJZGVVKGFIGLI-UHFFFAOYSA-N 0.000 description 1
- YQHJFPFNGVDEDT-UHFFFAOYSA-N 2-tert-butyl-1,1,3,3-tetramethylguanidine Chemical compound CN(C)C(N(C)C)=NC(C)(C)C YQHJFPFNGVDEDT-UHFFFAOYSA-N 0.000 description 1
- RVBUGGBMJDPOST-UHFFFAOYSA-N 2-thiobarbituric acid Chemical compound O=C1CC(=O)NC(=S)N1 RVBUGGBMJDPOST-UHFFFAOYSA-N 0.000 description 1
- VQPMXSMUUILNFZ-UHFFFAOYSA-N 3,7-dihydropurine-2,6-dithione Chemical compound S=C1NC(=S)NC2=C1NC=N2 VQPMXSMUUILNFZ-UHFFFAOYSA-N 0.000 description 1
- ZBUUHLDYMKTVLT-UHFFFAOYSA-N 3-amino-2-sulfanylidene-1,3-thiazolidin-4-one Chemical compound NN1C(=O)CSC1=S ZBUUHLDYMKTVLT-UHFFFAOYSA-N 0.000 description 1
- CPGFMWPQXUXQRX-UHFFFAOYSA-N 3-amino-3-(4-fluorophenyl)propanoic acid Chemical compound OC(=O)CC(N)C1=CC=C(F)C=C1 CPGFMWPQXUXQRX-UHFFFAOYSA-N 0.000 description 1
- BUZICZZQJDLXJN-UHFFFAOYSA-N 3-azaniumyl-4-hydroxybutanoate Chemical compound OCC(N)CC(O)=O BUZICZZQJDLXJN-UHFFFAOYSA-N 0.000 description 1
- VMSZFBSYWXMXRF-UHFFFAOYSA-N 3-isothiocyanatopyridine Chemical compound S=C=NC1=CC=CN=C1 VMSZFBSYWXMXRF-UHFFFAOYSA-N 0.000 description 1
- OCVLSHAVSIYKLI-UHFFFAOYSA-N 3h-1,3-thiazole-2-thione Chemical compound SC1=NC=CS1 OCVLSHAVSIYKLI-UHFFFAOYSA-N 0.000 description 1
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- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 description 1
- 229940116357 potassium thiocyanate Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- GDQCWIUHBJJDNL-UHFFFAOYSA-N prop-2-enyl pyrrolidine-1-carbodithioate Chemical compound C=CCSC(=S)N1CCCC1 GDQCWIUHBJJDNL-UHFFFAOYSA-N 0.000 description 1
- HBCQSNAFLVXVAY-UHFFFAOYSA-N pyrimidine-2-thiol Chemical compound SC1=NC=CC=N1 HBCQSNAFLVXVAY-UHFFFAOYSA-N 0.000 description 1
- 150000003248 quinolines Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- KIWUVOGUEXMXSV-UHFFFAOYSA-N rhodanine Chemical compound O=C1CSC(=S)N1 KIWUVOGUEXMXSV-UHFFFAOYSA-N 0.000 description 1
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- BRBKOPJOKNSWSG-UHFFFAOYSA-N sulfaguanidine Chemical compound NC(=N)NS(=O)(=O)C1=CC=C(N)C=C1 BRBKOPJOKNSWSG-UHFFFAOYSA-N 0.000 description 1
- 229960004257 sulfaguanidine Drugs 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003419 tautomerization reaction Methods 0.000 description 1
- UMOZLQVSOVNSCA-UHFFFAOYSA-N tert-butyl n-(diaminomethylidene)carbamate Chemical compound CC(C)(C)OC(=O)NC(N)=N UMOZLQVSOVNSCA-UHFFFAOYSA-N 0.000 description 1
- XZGNHTJSFCBWHG-UHFFFAOYSA-N tert-butyl n-[bis[(2-methylpropan-2-yl)oxycarbonylamino]methylidene]carbamate Chemical compound CC(C)(C)OC(=O)NC(NC(=O)OC(C)(C)C)=NC(=O)OC(C)(C)C XZGNHTJSFCBWHG-UHFFFAOYSA-N 0.000 description 1
- GOQZIPJCBUYLIR-UHFFFAOYSA-N tert-butyl n-[n-[(2-methylpropan-2-yl)oxycarbonyl]-n'-(trifluoromethylsulfonyl)carbamimidoyl]carbamate Chemical compound CC(C)(C)OC(=O)NC(=NS(=O)(=O)C(F)(F)F)NC(=O)OC(C)(C)C GOQZIPJCBUYLIR-UHFFFAOYSA-N 0.000 description 1
- 150000005621 tetraalkylammonium salts Chemical class 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical class CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical class C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 description 1
- SRVJKTDHMYAMHA-WUXMJOGZSA-N thioacetazone Chemical compound CC(=O)NC1=CC=C(\C=N\NC(N)=S)C=C1 SRVJKTDHMYAMHA-WUXMJOGZSA-N 0.000 description 1
- 229960003231 thioacetazone Drugs 0.000 description 1
- 150000003567 thiocyanates Chemical class 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N thiocyanic acid Chemical class SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- ZEMGGZBWXRYJHK-UHFFFAOYSA-N thiouracil Chemical compound O=C1C=CNC(=S)N1 ZEMGGZBWXRYJHK-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- PUVAFTRIIUSGLK-UHFFFAOYSA-M trimethyl(oxiran-2-ylmethyl)azanium;chloride Chemical group [Cl-].C[N+](C)(C)CC1CO1 PUVAFTRIIUSGLK-UHFFFAOYSA-M 0.000 description 1
- RRHXZLALVWBDKH-UHFFFAOYSA-M trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium;chloride Chemical group [Cl-].CC(=C)C(=O)OCC[N+](C)(C)C RRHXZLALVWBDKH-UHFFFAOYSA-M 0.000 description 1
- ZNEOHLHCKGUAEB-UHFFFAOYSA-N trimethylphenylammonium Chemical class C[N+](C)(C)C1=CC=CC=C1 ZNEOHLHCKGUAEB-UHFFFAOYSA-N 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Chemical Treatment Of Metals (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
Description
本発明の表面処理液は、銅表面へのスズの接合性向上に用いられる。表面処理液は、水溶性銅塩、特定の構造を含むチオ化合物、ならびに塩基性アミノ酸、グアニジン化合物、および第四級アンモニウム塩から選択される1種以上の含窒素有機化合物を含む水溶液である。
水溶性銅塩は、水に溶解して第二銅イオンを放出するものである。水溶性銅塩の例としては、硫酸銅、硝酸銅、塩化銅、酢酸銅、硫化銅、シアン化銅、塩化アンモニウム銅、グルコン酸銅、酒石酸銅、過塩素酸銅、およびこれらの水和物が挙げられる。取り扱い性、コスト、原料供給性等の点から、硫酸銅、硝酸銅、塩化銅、酢酸銅が好ましい。
表面処理液には、1個の炭素原子に、1個以上の窒素原子および1個以上の硫黄原子が共有結合している構造を有するチオ化合物が含まれている。
表面処理液は、水溶性銅塩および上記のチオ化合物に加えて、含窒素塩基化合物を含む。含窒素塩基化合物としては、塩基性アミノ酸、グアニジン化合物および第四級アンモニウム塩が挙げられる。
塩基性アミノ酸は、等電点が7より大きいアミノ酸であり、その具体例としては、アルギニン、ヒスチジン、リシン、シトルリン、オルニチン、ヒドロキシリジン等が挙げられる。
グアニジン化合物は、グアニジノ基を有する化合物であり、その具体例としては、炭酸グアニジン、グアニジンリン酸塩、グアニジン塩酸塩、グアニジン臭化水素酸塩、グアニジンヨウ化水素酸塩、グアニジン硝酸塩、グアニジン硫酸塩、スルファミン酸グアニジン、チオシアン酸グアニジン等のグアニジン塩類;グアニル尿素炭酸塩、グアニル尿素リン酸塩、グアニル尿素塩酸塩、グアニル尿素硝酸塩、グアニル尿素硫酸塩等のグアニル尿素塩類;重炭酸アミノグアニジン、アミノグアニジン硝酸塩、アミノグアニジン塩酸塩、アミノグアニジンヘミ硫酸塩等のアミノグアニジン塩類;1-メチルグアニジン硫酸塩、1,1-ジメチルグアニジン硫酸塩、1,1-ジエチルグアニジン硫酸塩、1,3-ジフェニルグアニジン硫酸塩、1-オクタデシルグアニジン塩酸塩、1-(2-メチル-5-ニトロフェニル)グアニジン硝酸塩等のグアニジン誘導体の塩;1,3-ジアミノグアニジン塩酸塩、1-(5-ニトロフルフリリデン)アミノグアニジン塩酸塩等のアミノグアニジン誘導体の塩類;1,1,3,3-テトラメチルグアニジン、2-tert-ブチル-1,1,3,3-テトラメチルグアニジン、フェニルグアニジン、1,3-ジフェニルグアニジン、1,2,3-トリフェニルグアニジン、ニトログアニジン、1-アセチルグアニジン、アセチルアセトングアニジン、1-(tert-ブトキシカルボニル)グアニジン、1,3-ビス(tert-ブトキシカルボニル)-2-(トリフルオロメタンスルホニル)グアニジン、1,2,3-トリス(tert-ブトキシカルボニル)グアニジン、クレアチン、シアノグアニジン、スルファグアニジン、ニトロソグアニジン、シメチジン、ジノテフラン、1-メチル-3-ニトロ-1-ニトロソグアニジン、1,3-ジ-o-トリルグアニジン、1-メチル-3-ニトログアニジン、1-(4-シアノフェニル)グアニジン等が挙げられる。
第四級アンモニウム塩としては、テトラメチルアンモニウム塩、テトラエチルアンモニウム塩、エチルトリメチルアンモニウム塩、N,N,N-トリメチル-1-アダマンチルアンモニウム塩等のテトラアルキルアンモニウム塩類;トリメチルフェニルアンモニウム塩、ベンジルトリメチルアンモニウム塩等のトリアルキルモノアリールアンモニウム塩類;1,1-ジメチルピペリジニウム塩、1-エチル-1-メチルピペリジニウム塩、1-メチル-1-プロピルピペリジニウム塩、1-ブチル-1-メチルピペリジニウム塩等のジアルキルピペリジニウム塩類;1,1-ジメチルピロリジニウム塩、1-エチル-1-メチルピロリジニウム塩、1-メチル-1-プロピルピロリジニウム塩、1-ブチル-1-メチルピロリジニウム塩等のジアルキルピペロジニウム塩類;コリン、コリンクロリド、アセチルコリンクロリド等のコリン誘導体;無水ベタイン、ベタイン塩酸塩、カルニチン等が挙げられる。
上記の各成分を水に溶解することにより、表面処理液が調製される。水としては、イオン性物質や不純物を除去した水が好ましく、例えばイオン交換水、純水、超純水等が好ましく用いられる。溶媒として、エタノールやイソプロピルアルコール等の水との混和性を有する有機溶媒と水との混合溶媒を用いてもよい。
銅の表面に上記の溶液を接触させ、溶媒を乾燥除去することにより、銅の表面処理が行われる。銅は、純銅でもよく、銅合金でもよい。銅部材としては、銅箔(電解銅箔、圧延銅箔)、銅メッキ膜(無電解銅めっき膜、電解銅めっき膜)および銅鋼材等が挙げられる。銅部材を備える部品としては、半導体基板、プリント配線板等の電子基板、リードフレーム等が挙げられる。
表1に示す成分を所定の配合量(濃度)となるようにイオン交換水に溶解して、水溶液を調製した。表1におけるポリマー1~4の詳細は下記の通りである。
攪拌翼、温度計および還流冷却管を備えた四つ口フラスコに、溶媒として、100重量部のイオン交換水および20重量部のイソプロピルアルコールを仕込み、モノマーとして100重量部の60%トリアリルエチルアンモニウム・エチルサルフェート、重合開始剤として1.5重量部の2,2-アゾビス[N-(2-カルボキシエチル)-2-メチルプロピロアミジン]2水和物を加え、20分かけて約70℃に昇温した。70℃で2時間加熱した後、30重量部のイオン交換水および1.5重量部の重合開始剤を加え、さらに70℃で3時間加熱した。減圧下でイソプロピルアルコールを溜去した。放冷後、イオン交換水を加えて30重量%のポリマー1の溶液を得た。
攪拌翼、温度計および還流冷却管を備えた四つ口フラスコに、溶媒として、100重量部のイオン交換水および20重量部のイソプロピルアルコールを仕込み、モノマーとして100重量部の60%ジアリルジメチルアンモニウムクロリド、重合開始剤として4.5重量部のペルオキソ二硫酸ジアンモニウムを加え、20分かけて約70℃に昇温した。70℃で2時間加熱した後、45重量部のイオン交換水および4.5重量部の重合開始剤を加え、さらに70℃で3時間加熱した。減圧下でイソプロピルアルコールを溜去した。放冷後、イオン交換水を加えて30重量%のポリマー2の溶液を得た。
以下の繰り返し単位を有するジアリルジメチルアンモニウムと二酸化硫黄の交互共重合体(ニットーボーメディカル製「PAS-A-1」、重量平均分子量5000)
以下の構造を有するビニルピロリドンとN,N-ジメチルアミノエチルメタクリルアミドジエチル硫酸塩ランダム共重合体(大阪有機化学工業製「H.C.ポリマー2」、重量平均分子量約80000)
(銅メッキ板の表面処理)
25mm×25mmのサイズの銅メッキ板を、5%硫酸水溶液に60秒間浸漬して酸洗浄を行った後、水洗および乾燥を行い、テストピースを作製した。表1の溶液(25℃)中に、テストピースを60秒間浸漬して、銅の表面処理を実施した。テストピースを溶液から取り出し、水洗および乾燥を行った。
Claims (6)
- 銅の表面処理液であって、
水溶性銅塩;
1個の炭素原子に、1個以上の窒素原子および1個以上の硫黄原子が共有結合している構造を有するチオ化合物;ならびに
塩基性アミノ酸、グアニジン化合物、および第四級アンモニウム塩から選択される1種以上の含窒素塩基化合物、
を含む水溶液であり、
前記水溶性銅塩の濃度が0.05~70mMであり、
前記チオ化合物の濃度が0.005~20mMである、
表面処理液。 - 前記水溶性銅塩のモル濃度が、前記チオ化合物のモル濃度の0.05~500倍である、請求項1に記載の表面処理液。
- 前記含窒素塩基化合物が、分子量1000以上の第四級アンモニウム塩型ポリマーである、請求項1または2に記載の表面処理液。
- 銅の表面に、請求項1または2に記載の表面処理液を接触させる、銅の表面処理方法。
- 請求項4に記載の方法により銅を表面処理し、処理表面にスズ部材を熱圧着する、銅とスズの接合方法。
- 請求項4に記載の方法により銅を表面処理し、処理表面にスズ部材を熱圧着することにより銅とスズとを接合する、銅‐スズ接合体の製造方法。
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JP2022112430A JP7146317B1 (ja) | 2022-07-13 | 2022-07-13 | 表面処理液および銅の表面処理方法、ならびに銅とスズの接合方法および接合体の製造方法 |
PCT/JP2023/023148 WO2024014254A1 (ja) | 2022-07-13 | 2023-06-22 | 表面処理液および銅の表面処理方法、ならびに銅とスズの接合方法および接合体の製造方法 |
TW112125018A TW202413721A (zh) | 2022-07-13 | 2023-07-05 | 表面處理液以及銅之表面處理方法、以及銅與錫之接合方法與接合體之製造方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4311551A (en) | 1979-04-12 | 1982-01-19 | Philip A. Hunt Chemical Corp. | Composition and method for etching copper substrates |
US6063172A (en) | 1998-10-13 | 2000-05-16 | Mcgean-Rohco, Inc. | Aqueous immersion plating bath and method for plating |
JP2017133099A (ja) | 2015-12-16 | 2017-08-03 | ローム アンド ハース エレクトロニック マテリアルズ エルエルシーRohm and Haas Electronic Materials LLC | ニッケル表面上に有機被膜を形成するための方法 |
CN107604360A (zh) | 2017-09-14 | 2018-01-19 | 江阴江化微电子材料股份有限公司 | 一种选择性铜腐蚀液及应用 |
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2022
- 2022-07-13 JP JP2022112430A patent/JP7146317B1/ja active Active
-
2023
- 2023-06-22 WO PCT/JP2023/023148 patent/WO2024014254A1/ja unknown
- 2023-07-05 TW TW112125018A patent/TW202413721A/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4311551A (en) | 1979-04-12 | 1982-01-19 | Philip A. Hunt Chemical Corp. | Composition and method for etching copper substrates |
US6063172A (en) | 1998-10-13 | 2000-05-16 | Mcgean-Rohco, Inc. | Aqueous immersion plating bath and method for plating |
JP2017133099A (ja) | 2015-12-16 | 2017-08-03 | ローム アンド ハース エレクトロニック マテリアルズ エルエルシーRohm and Haas Electronic Materials LLC | ニッケル表面上に有機被膜を形成するための方法 |
CN107604360A (zh) | 2017-09-14 | 2018-01-19 | 江阴江化微电子材料股份有限公司 | 一种选择性铜腐蚀液及应用 |
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JP2024010875A (ja) | 2024-01-25 |
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