JP6620859B2 - 錫又は錫合金めっき堆積層の形成方法 - Google Patents
錫又は錫合金めっき堆積層の形成方法 Download PDFInfo
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- JP6620859B2 JP6620859B2 JP2018197082A JP2018197082A JP6620859B2 JP 6620859 B2 JP6620859 B2 JP 6620859B2 JP 2018197082 A JP2018197082 A JP 2018197082A JP 2018197082 A JP2018197082 A JP 2018197082A JP 6620859 B2 JP6620859 B2 JP 6620859B2
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- Prior art keywords
- tin
- acid
- leveling agent
- surfactant
- alloy plating
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- 238000007747 plating Methods 0.000 title claims description 104
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims description 56
- 229910001128 Sn alloy Inorganic materials 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 26
- 150000003839 salts Chemical class 0.000 claims description 45
- -1 polyoxyethylene bisphenol Polymers 0.000 claims description 44
- 239000003795 chemical substances by application Substances 0.000 claims description 40
- 239000004094 surface-active agent Substances 0.000 claims description 39
- 230000008021 deposition Effects 0.000 claims description 36
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 20
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000003963 antioxidant agent Substances 0.000 claims description 9
- 150000007522 mineralic acids Chemical class 0.000 claims description 9
- 150000007524 organic acids Chemical class 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 235000005985 organic acids Nutrition 0.000 claims description 6
- 150000007934 α,β-unsaturated carboxylic acids Chemical group 0.000 claims description 6
- 150000001408 amides Chemical class 0.000 claims description 5
- 150000003934 aromatic aldehydes Chemical class 0.000 claims description 5
- 150000008365 aromatic ketones Chemical class 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000243 solution Substances 0.000 description 37
- 239000010949 copper Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 229910052802 copper Inorganic materials 0.000 description 13
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- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 239000004065 semiconductor Substances 0.000 description 11
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- 235000006708 antioxidants Nutrition 0.000 description 8
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 8
- 238000009713 electroplating Methods 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 229910000679 solder Inorganic materials 0.000 description 7
- SQAINHDHICKHLX-UHFFFAOYSA-N 1-naphthaldehyde Chemical compound C1=CC=C2C(C=O)=CC=CC2=C1 SQAINHDHICKHLX-UHFFFAOYSA-N 0.000 description 6
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 6
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- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 229940098779 methanesulfonic acid Drugs 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229940093915 gynecological organic acid Drugs 0.000 description 5
- 239000002736 nonionic surfactant Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
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- 239000000956 alloy Substances 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 4
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- 239000000203 mixture Substances 0.000 description 4
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 4
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- 239000011701 zinc Substances 0.000 description 4
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 description 3
- 239000001431 2-methylbenzaldehyde Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229940044654 phenolsulfonic acid Drugs 0.000 description 3
- 239000011295 pitch Substances 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 2
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
- BZOVBIIWPDQIHF-UHFFFAOYSA-N 3-hydroxy-2-methylbenzenesulfonic acid Chemical compound CC1=C(O)C=CC=C1S(O)(=O)=O BZOVBIIWPDQIHF-UHFFFAOYSA-N 0.000 description 2
- IAVREABSGIHHMO-UHFFFAOYSA-N 3-hydroxybenzaldehyde Chemical compound OC1=CC=CC(C=O)=C1 IAVREABSGIHHMO-UHFFFAOYSA-N 0.000 description 2
- YYPNJNDODFVZLE-UHFFFAOYSA-N 3-methylbut-2-enoic acid Chemical compound CC(C)=CC(O)=O YYPNJNDODFVZLE-UHFFFAOYSA-N 0.000 description 2
- AVPYQKSLYISFPO-UHFFFAOYSA-N 4-chlorobenzaldehyde Chemical compound ClC1=CC=C(C=O)C=C1 AVPYQKSLYISFPO-UHFFFAOYSA-N 0.000 description 2
- RGHHSNMVTDWUBI-UHFFFAOYSA-N 4-hydroxybenzaldehyde Chemical compound OC1=CC=C(C=O)C=C1 RGHHSNMVTDWUBI-UHFFFAOYSA-N 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000002280 amphoteric surfactant Substances 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 229940092714 benzenesulfonic acid Drugs 0.000 description 2
- 229960003237 betaine Drugs 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 description 2
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- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- SUMDYPCJJOFFON-UHFFFAOYSA-N isethionic acid Chemical compound OCCS(O)(=O)=O SUMDYPCJJOFFON-UHFFFAOYSA-N 0.000 description 2
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- 150000004706 metal oxides Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 2
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- 238000007254 oxidation reaction Methods 0.000 description 2
- ZRSNZINYAWTAHE-UHFFFAOYSA-N p-methoxybenzaldehyde Chemical compound COC1=CC=C(C=O)C=C1 ZRSNZINYAWTAHE-UHFFFAOYSA-N 0.000 description 2
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- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical compound OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 150000003871 sulfonates Chemical class 0.000 description 2
- UIERETOOQGIECD-ONEGZZNKSA-N tiglic acid Chemical compound C\C=C(/C)C(O)=O UIERETOOQGIECD-ONEGZZNKSA-N 0.000 description 2
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(ii) oxide Chemical compound [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 2
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- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
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- JIRHAGAOHOYLNO-UHFFFAOYSA-N (3-cyclopentyloxy-4-methoxyphenyl)methanol Chemical compound COC1=CC=C(CO)C=C1OC1CCCC1 JIRHAGAOHOYLNO-UHFFFAOYSA-N 0.000 description 1
- 239000001211 (E)-4-phenylbut-3-en-2-one Substances 0.000 description 1
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- KVGOXGQSTGQXDD-UHFFFAOYSA-N 1-decane-sulfonic-acid Chemical compound CCCCCCCCCCS(O)(=O)=O KVGOXGQSTGQXDD-UHFFFAOYSA-N 0.000 description 1
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- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 229940081066 picolinic acid Drugs 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- XWIJIXWOZCRYEL-UHFFFAOYSA-M potassium;methanesulfonate Chemical compound [K+].CS([O-])(=O)=O XWIJIXWOZCRYEL-UHFFFAOYSA-M 0.000 description 1
- KCXFHTAICRTXLI-UHFFFAOYSA-N propane-1-sulfonic acid Chemical compound CCCS(O)(=O)=O KCXFHTAICRTXLI-UHFFFAOYSA-N 0.000 description 1
- HNDXKIMMSFCCFW-UHFFFAOYSA-N propane-2-sulphonic acid Chemical compound CC(C)S(O)(=O)=O HNDXKIMMSFCCFW-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 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 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 229960001755 resorcinol Drugs 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 229940079864 sodium stannate Drugs 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- RUQIYMSRQQCKIK-UHFFFAOYSA-M sodium;2,3-di(propan-2-yl)naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S([O-])(=O)=O)=C(C(C)C)C(C(C)C)=CC2=C1 RUQIYMSRQQCKIK-UHFFFAOYSA-M 0.000 description 1
- KZOJQMWTKJDSQJ-UHFFFAOYSA-M sodium;2,3-dibutylnaphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S([O-])(=O)=O)=C(CCCC)C(CCCC)=CC2=C1 KZOJQMWTKJDSQJ-UHFFFAOYSA-M 0.000 description 1
- IAAKNVCARVEIFS-UHFFFAOYSA-M sodium;4-hydroxynaphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(O)=CC=C(S([O-])(=O)=O)C2=C1 IAAKNVCARVEIFS-UHFFFAOYSA-M 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- RCIVOBGSMSSVTR-UHFFFAOYSA-L stannous sulfate Chemical compound [SnH2+2].[O-]S([O-])(=O)=O RCIVOBGSMSSVTR-UHFFFAOYSA-L 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 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
- 229940117986 sulfobetaine Drugs 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
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- GZCWPZJOEIAXRU-UHFFFAOYSA-N tin zinc Chemical compound [Zn].[Sn] GZCWPZJOEIAXRU-UHFFFAOYSA-N 0.000 description 1
- 229910000375 tin(II) sulfate Inorganic materials 0.000 description 1
- 239000011366 tin-based material Substances 0.000 description 1
- 229910000597 tin-copper alloy Inorganic materials 0.000 description 1
- MHMUCYJKZUZMNJ-OWOJBTEDSA-N trans-3-chloroacrylic acid Chemical compound OC(=O)\C=C\Cl MHMUCYJKZUZMNJ-OWOJBTEDSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- PDSVZUAJOIQXRK-UHFFFAOYSA-N trimethyl(octadecyl)azanium Chemical class CCCCCCCCCCCCCCCCCC[N+](C)(C)C PDSVZUAJOIQXRK-UHFFFAOYSA-N 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/30—Electroplating: Baths therefor from solutions of tin
- C25D3/32—Electroplating: Baths therefor from solutions of tin characterised by the organic bath constituents used
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/60—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of tin
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
- C25D5/505—After-treatment of electroplated surfaces by heat-treatment of electroplated tin coatings, e.g. by melting
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/12—Semiconductors
- C25D7/123—Semiconductors first coated with a seed layer or a conductive layer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
- H05K3/181—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating
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- H—ELECTRICITY
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
- H05K3/188—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by direct electroplating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3457—Solder materials or compositions; Methods of application thereof
- H05K3/3463—Solder compositions in relation to features of the printed circuit board or the mounting process
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- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3457—Solder materials or compositions; Methods of application thereof
- H05K3/3473—Plating of solder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/11—Manufacturing methods
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/14—Structure, shape, material or disposition of the bump connectors prior to the connecting process of a plurality of bump connectors
- H01L2224/1401—Structure
- H01L2224/1403—Bump connectors having different sizes, e.g. different diameters, heights or widths
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- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/03—Metal processing
- H05K2203/0338—Transferring metal or conductive material other than a circuit pattern, e.g. bump, solder, printed component
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/04—Soldering or other types of metallurgic bonding
- H05K2203/043—Reflowing of solder coated conductors, not during connection of components, e.g. reflowing solder paste
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4007—Surface contacts, e.g. bumps
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- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
Description
実施例1〜7及び比較例1〜2において使用されるフェニル系界面活性剤(C)であるポリオキシエチレンビスフェノールエーテルの各構造式を表1〜表2に示す。
(Snめっき液の建浴)
メタンスルホン酸Sn水溶液に、遊離酸としてのメタンスルホン酸と、酸化防止剤としてヒドロキノンと、第1レベリング剤として1−ナフトアルデヒドと、第2レベリング剤としてメタクリル酸を混合して、均一な溶液となった後、更に界面活性剤として上記(C−1)のポリオキシエチレンビスフェノールエーテル(質量平均分子量:約600g/mol)を加えた。そして最後にイオン交換水を加えて、下記組成のSnめっき液を建浴した。なお、メタンスルホン酸Sn水溶液は、金属Sn板をメタンスルホン酸水溶液中で電解させることにより調製した。
メタンスルホン酸Sn(Sn2+として):50g/L
メタンスルホン酸カリウム(遊離酸として):100g/L
フェニル系界面活性剤(C−1):2g/L
ヒドロキノン(酸化防止剤(F)として):1g/L
1−ナフトアルデヒド(第1レベリング剤(D−1)として):0.1g/L
メタクリル酸(第2レベリング剤(D−2)として):2g/L
イオン交換水:残部
実施例2〜8及び比較例1〜2では、フェニル系界面活性剤(C)として、表1〜表2に示す構造式のポリオキシエチレンビスフェノールエーテル((C−2)〜(C−10))を用いた。それ以外は、実施例1と同様にして、実施例2〜8及び比較例1〜2のSnめっき液を建浴した。なお、実施例3及び比較例2では、Sn以外の金属としてAgを含み(Ag+として1.0g/L)、実施例5では、Sn以外の金属としてCuを含んでいる(Cu2+として0.5g/L)。
実施例1〜8及び比較例1〜2の10種類の建浴しためっき液を用いて、バンプ径の異なるパターンを有する基板に、電流密度2ASDの条件でめっきを行い、ビア内に錫又は錫合金めっき堆積層を形成した。そして、リフロー装置を用いて280℃まで加熱し、めっき堆積層を溶融させてバンプを形成した。これらのめっき堆積層及びバンプについて評価した。
なお、後述する「ビア内の錫又は錫合金めっき堆積層のビアフィリング性」及び「ビア内の錫又は錫合金めっき堆積層の外観」はリフロー前のめっき堆積層について測定しており、「バンプ高さのばらつき」及び「ボイドの発生し易さ」は、めっき堆積層のリフロー後に形成されたバンプについて測定している。その結果を表3に示す。
レーザー顕微鏡を用い、ビア内の錫又は錫合金めっき堆積層を観察し、めっき堆積層の最も高い点から最も低い点までの高さの差を測定した。高さの差が5μmを超えた場合を「不良」とし、高さの差が5μm以下の場合を「良好」と判断し、表3の「ビアフィリング性」の欄に示した。
レーザー顕微鏡を用いて、ビア内の錫又は錫合金めっき堆積層を観察し、表面粗さRaを測定した。めっき堆積層の表面粗さRaが2μmを超えた場合を「不良」とし、2μm以下の場合を「良好」と判断し、表3の「めっき堆積層の外観」の欄に示した。
基板のバンプの高さを、自動外観検査装置を用いて測定した。測定したバンプ高さから、高さばらつきσ(標準偏差)を算出した。高さばらつきσが3以下である場合を「均一」とし、高さばらつきσが3を超える場合を「不均一」と判断し、その結果を表3の「バンプの高さばらつきσ」の欄に示した。
180μm、250μm、360μmの各ピッチ間隔で配列されかつ直径が70μm、90μm、120μmであるバンプ(計2000個)について、透過X線像を撮影した。撮影した画像を目視で観察し、バンプの大きさに対して1%以上の大きさのボイドが1つ以上見られた場合を「NG」とし、ボイドが見られない場合を「OK」とした。その結果を表3の「ボイド」の欄に示す。
実施例9〜18では、第1レベリング剤(D−1)、第2レベリング剤(D−2)又はSn以外の金属のいずれかと、フェニル系界面活性剤の質量平均分子量を表4に示すように変更したこと以外は、実施例1と同様にして、Snめっき液を建浴した。なお、表4の第1レベリング剤(D−1)において、D1Aはベンズアルデヒドであり、D1Bは4−クロロベンズアルデヒドであり、D1Cは1−ナフトアルデヒドである。また、表4の第2レベリング剤(D−2)において、D2Aはメタクリル酸であり、D2Bはアクリル酸であり、D2Cはアクリルアミドである。
実施例9〜18の10種類の建浴しためっき液を用いて、比較試験1と同様に、バンプ径の異なるパターンを有する基板に、電流密度2ASDの条件でめっきを行い、ビア内に錫又は錫合金めっき堆積層を形成した。そして、リフロー装置を用いて280℃まで加熱し、めっき堆積層を溶融させてバンプを形成して、「ビア内の錫又は錫合金めっき堆積層のビアフィリング性」、「ビア内の錫又は錫合金めっき堆積層の外観」、「バンプ高さのばらつき」及び「ボイドの発生し易さ」を評価した。その結果を表4に示す。
2 ソルダーレジスト層
3 銅シード層
4 ドライフィルムレジスト層
6 ビア
7 錫めっき堆積層(錫めっき皮膜)
8 錫バンプ
Claims (4)
- (A)少なくとも第一錫塩を含む可溶性塩と、
(B)有機酸及び無機酸から選ばれた酸又はその塩と、
(C)界面活性剤と、
(D)レベリング剤と
を含み、
複数種類のビア径を有するビアが存在する基板にめっきするための錫又は錫合金めっき液を用いて、前記基板上に錫又は錫合金めっき堆積層を形成する方法であって、
前記界面活性剤がフェニル系界面活性剤を含み、
前記フェニル系界面活性剤が次の一般式(1)で表されるポリオキシエチレンビスフェノールエーテルであり、
前記レベリング剤が第1レベリング剤と第2レベリング剤からなり、
前記第1レベリング剤が、脂肪族アルデヒド、芳香族アルデヒド、脂肪族ケトン及び芳香族ケトンよりなる群より選ばれた1種又は2種以上であり、
前記第2レベリング剤が、α,β−不飽和カルボン酸又はそのアミド、或いはこれらの塩であることを特徴とする錫又は錫合金めっき堆積層の形成方法。
- 前記フェニル系界面活性剤とは別の界面活性剤、酸化防止剤及び炭素数1〜3のアルコールのうち、2つ以上を更に含む請求項1記載の錫又は錫合金めっき堆積層の形成方法。
- 請求項1又は2記載の方法で形成された錫又は錫合金めっき堆積層に対しリフロー処理を行ってバンプを形成する方法。
- 請求項3記載の方法により形成されたバンプを用いて回路基板を製造する方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201880068798.XA CN111279020B (zh) | 2017-10-24 | 2018-10-23 | 锡或锡合金电镀液 |
KR1020207011532A KR102221566B1 (ko) | 2017-10-24 | 2018-10-23 | 주석 또는 주석 합금 도금액 |
US16/757,855 US11162182B2 (en) | 2017-10-24 | 2018-10-23 | Tin or tin alloy plating solution |
EP18871709.4A EP3702493A4 (en) | 2017-10-24 | 2018-10-23 | TIN OR TIN ALLOY PLATING SOLUTION |
PCT/JP2018/039332 WO2019082884A1 (ja) | 2017-10-24 | 2018-10-23 | 錫又は錫合金めっき液 |
TW107137317A TWI707065B (zh) | 2017-10-24 | 2018-10-23 | 錫或錫合金鍍敷堆積層之形成方法 |
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JP7140176B2 (ja) * | 2020-11-25 | 2022-09-21 | 三菱マテリアル株式会社 | 錫合金めっき液 |
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JP3261701B2 (ja) * | 1991-02-05 | 2002-03-04 | ミノルタ株式会社 | 画像表示方式及び装置 |
JP4296358B2 (ja) * | 1998-01-21 | 2009-07-15 | 石原薬品株式会社 | 銀及び銀合金メッキ浴 |
JP4249292B2 (ja) * | 1998-07-10 | 2009-04-02 | 株式会社大和化成研究所 | 錫及び錫合金メッキ浴 |
JP2001089894A (ja) * | 1999-09-22 | 2001-04-03 | Ishihara Chem Co Ltd | スズ合金メッキを施した表面被覆材料、並びに当該被覆材料を利用した電子部品 |
JP2001262391A (ja) * | 2000-03-14 | 2001-09-26 | Ishihara Chem Co Ltd | スズ−銅系合金メッキ浴並びに当該皮膜を形成した電子部品 |
EP1260614B1 (en) * | 2001-05-24 | 2008-04-23 | Shipley Co. L.L.C. | Tin plating |
JP4632027B2 (ja) * | 2004-11-19 | 2011-02-16 | 石原薬品株式会社 | 鉛フリーのスズ−銀系合金又はスズ−銅系合金電気メッキ浴 |
JP2008028336A (ja) * | 2006-07-25 | 2008-02-07 | Shinko Electric Ind Co Ltd | 電子部品の製造方法 |
JP6133056B2 (ja) | 2012-12-27 | 2017-05-24 | ローム・アンド・ハース電子材料株式会社 | スズまたはスズ合金めっき液 |
JP6006683B2 (ja) | 2013-06-26 | 2016-10-12 | 株式会社Jcu | スズまたはスズ合金用電気メッキ液およびその用途 |
US20150122661A1 (en) * | 2013-11-05 | 2015-05-07 | Rohm And Haas Electronic Materials Llc | Plating bath and method |
US20150122662A1 (en) | 2013-11-05 | 2015-05-07 | Rohm And Haas Electronic Materials Llc | Plating bath and method |
JP2015193916A (ja) * | 2014-03-18 | 2015-11-05 | 上村工業株式会社 | 錫または錫合金の電気めっき浴、およびバンプの製造方法 |
JP6442722B2 (ja) | 2014-10-08 | 2018-12-26 | 石原ケミカル株式会社 | 電気メッキ式の突起電極形成方法 |
JP7009679B2 (ja) * | 2015-07-29 | 2022-01-26 | 石原ケミカル株式会社 | 電気スズ及び電気スズ合金メッキ浴、当該メッキ浴を用いた電着物の形成方法 |
JP2017179515A (ja) * | 2016-03-31 | 2017-10-05 | 三菱マテリアル株式会社 | めっき液 |
JP6834070B2 (ja) * | 2016-06-13 | 2021-02-24 | 石原ケミカル株式会社 | 電気スズ及びスズ合金メッキ浴、当該メッキ浴を用いて電着物を形成した電子部品の製造方法 |
WO2018142776A1 (ja) * | 2017-01-31 | 2018-08-09 | 三菱マテリアル株式会社 | 錫合金めっき液 |
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EP3702493A4 (en) | 2021-08-11 |
US11162182B2 (en) | 2021-11-02 |
TW201930652A (zh) | 2019-08-01 |
KR102221566B1 (ko) | 2021-02-26 |
CN111279020A (zh) | 2020-06-12 |
US20200378024A1 (en) | 2020-12-03 |
TWI707065B (zh) | 2020-10-11 |
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JP2019077949A (ja) | 2019-05-23 |
KR20200051034A (ko) | 2020-05-12 |
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