JP2016522327A - 銀−スズ合金の電気めっき浴 - Google Patents
銀−スズ合金の電気めっき浴 Download PDFInfo
- Publication number
- JP2016522327A JP2016522327A JP2016517970A JP2016517970A JP2016522327A JP 2016522327 A JP2016522327 A JP 2016522327A JP 2016517970 A JP2016517970 A JP 2016517970A JP 2016517970 A JP2016517970 A JP 2016517970A JP 2016522327 A JP2016522327 A JP 2016522327A
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- JP
- Japan
- Prior art keywords
- silver
- tin
- compounds
- substituted
- bath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910001128 Sn alloy Inorganic materials 0.000 title claims abstract description 95
- 238000009713 electroplating Methods 0.000 title claims abstract description 73
- QCEUXSAXTBNJGO-UHFFFAOYSA-N [Ag].[Sn] Chemical compound [Ag].[Sn] QCEUXSAXTBNJGO-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 35
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 17
- 229910001432 tin ion Inorganic materials 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 125000006755 (C2-C20) alkyl group Chemical group 0.000 claims description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 229910052700 potassium Inorganic materials 0.000 claims description 7
- 239000011591 potassium Substances 0.000 claims description 7
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 claims description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 3
- 239000004332 silver Substances 0.000 abstract description 121
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 115
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 89
- 229910052709 silver Inorganic materials 0.000 abstract description 87
- 229910052718 tin Inorganic materials 0.000 abstract description 68
- 229910045601 alloy Inorganic materials 0.000 abstract description 32
- 239000000956 alloy Substances 0.000 abstract description 32
- 229910000679 solder Inorganic materials 0.000 abstract description 14
- 229910052751 metal Inorganic materials 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000008139 complexing agent Substances 0.000 abstract description 2
- 239000011135 tin Substances 0.000 description 85
- 229910001316 Ag alloy Inorganic materials 0.000 description 52
- 238000007747 plating Methods 0.000 description 49
- 239000010410 layer Substances 0.000 description 45
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 29
- 239000010931 gold Substances 0.000 description 29
- 229910052737 gold Inorganic materials 0.000 description 28
- 239000000203 mixture Substances 0.000 description 28
- -1 silver halide Chemical class 0.000 description 27
- 229910001369 Brass Inorganic materials 0.000 description 20
- 239000010951 brass Substances 0.000 description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 239000000463 material Substances 0.000 description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 13
- 239000010949 copper Substances 0.000 description 13
- 235000012431 wafers Nutrition 0.000 description 13
- 239000002253 acid Substances 0.000 description 12
- 238000009472 formulation Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 229920002120 photoresistant polymer Polymers 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 8
- 150000007513 acids Chemical class 0.000 description 7
- 150000001412 amines Chemical class 0.000 description 6
- 238000005187 foaming Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910000881 Cu alloy Inorganic materials 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 230000005496 eutectics Effects 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 150000002431 hydrogen Chemical group 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 4
- 238000004876 x-ray fluorescence Methods 0.000 description 4
- JAAIPIWKKXCNOC-UHFFFAOYSA-N 1h-tetrazol-1-ium-5-thiolate Chemical compound SC1=NN=NN1 JAAIPIWKKXCNOC-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical class CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 3
- 229920002873 Polyethylenimine Polymers 0.000 description 3
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 3
- 239000012776 electronic material Substances 0.000 description 3
- VHBFFQKBGNRLFZ-UHFFFAOYSA-N flavone Chemical class O1C2=CC=CC=C2C(=O)C=C1C1=CC=CC=C1 VHBFFQKBGNRLFZ-UHFFFAOYSA-N 0.000 description 3
- 150000004820 halides Chemical class 0.000 description 3
- 229910000457 iridium oxide Inorganic materials 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000005240 physical vapour deposition Methods 0.000 description 3
- 150000003378 silver Chemical class 0.000 description 3
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 description 3
- 229910000367 silver sulfate Inorganic materials 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- FAKFSJNVVCGEEI-UHFFFAOYSA-J tin(4+);disulfate Chemical compound [Sn+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O FAKFSJNVVCGEEI-UHFFFAOYSA-J 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- PDHFSBXFZGYBIP-UHFFFAOYSA-N 2-[2-(2-hydroxyethylsulfanyl)ethylsulfanyl]ethanol Chemical compound OCCSCCSCCO PDHFSBXFZGYBIP-UHFFFAOYSA-N 0.000 description 2
- VWGKEVWFBOUAND-UHFFFAOYSA-N 4,4'-thiodiphenol Chemical compound C1=CC(O)=CC=C1SC1=CC=C(O)C=C1 VWGKEVWFBOUAND-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- REFJWTPEDVJJIY-UHFFFAOYSA-N Quercetin Chemical compound C=1C(O)=CC(O)=C(C(C=2O)=O)C=1OC=2C1=CC=C(O)C(O)=C1 REFJWTPEDVJJIY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- GAMYVSCDDLXAQW-AOIWZFSPSA-N Thermopsosid Natural products O(C)c1c(O)ccc(C=2Oc3c(c(O)cc(O[C@H]4[C@H](O)[C@@H](O)[C@H](O)[C@H](CO)O4)c3)C(=O)C=2)c1 GAMYVSCDDLXAQW-AOIWZFSPSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- RTIXKCRFFJGDFG-UHFFFAOYSA-N chrysin Chemical compound C=1C(O)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=CC=C1 RTIXKCRFFJGDFG-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XHEFDIBZLJXQHF-UHFFFAOYSA-N fisetin Chemical compound C=1C(O)=CC=C(C(C=2O)=O)C=1OC=2C1=CC=C(O)C(O)=C1 XHEFDIBZLJXQHF-UHFFFAOYSA-N 0.000 description 2
- 229930003944 flavone Natural products 0.000 description 2
- 235000011949 flavones Nutrition 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000005360 phosphosilicate glass Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-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
- 239000002904 solvent Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 150000003606 tin compounds Chemical class 0.000 description 2
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 2
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 2
- 125000006373 (C2-C10) alkyl group Chemical group 0.000 description 1
- 239000001211 (E)-4-phenylbut-3-en-2-one Substances 0.000 description 1
- 0 *c1nnn[n]1* Chemical compound *c1nnn[n]1* 0.000 description 1
- HHNKCWROIOOUOO-UHFFFAOYSA-N 1-[2-(diethylazaniumyl)ethyl]tetrazole-5-thiolate Chemical compound CCN(CC)CCN1NN=NC1=S HHNKCWROIOOUOO-UHFFFAOYSA-N 0.000 description 1
- WTFAGPBUAGFMQX-UHFFFAOYSA-N 1-[2-[2-(2-aminopropoxy)propoxy]propoxy]propan-2-amine Chemical compound CC(N)COCC(C)OCC(C)OCC(C)N WTFAGPBUAGFMQX-UHFFFAOYSA-N 0.000 description 1
- LUOIEXVCCJQBDI-UHFFFAOYSA-N 1-ethylsulfanyl-6-(2-hydroxyethylsulfanyl)hexan-2-ol Chemical compound CCSCC(O)CCCCSCCO LUOIEXVCCJQBDI-UHFFFAOYSA-N 0.000 description 1
- IKQCSJBQLWJEPU-UHFFFAOYSA-N 2,5-dihydroxybenzenesulfonic acid Chemical compound OC1=CC=C(O)C(S(O)(=O)=O)=C1 IKQCSJBQLWJEPU-UHFFFAOYSA-N 0.000 description 1
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- IRQHBCDQKOSIKT-UHFFFAOYSA-N 2-[14-(2-hydroxyethylsulfanyl)tetradecylsulfanyl]ethanol Chemical compound OCCSCCCCCCCCCCCCCCSCCO IRQHBCDQKOSIKT-UHFFFAOYSA-N 0.000 description 1
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- LMEWRZSPCQHBOB-UHFFFAOYSA-M silver;2-hydroxypropanoate Chemical compound [Ag+].CC(O)C([O-])=O LMEWRZSPCQHBOB-UHFFFAOYSA-M 0.000 description 1
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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
- C25D3/56—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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/64—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of silver
-
- 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
- C25D7/12—Semiconductors
- C25D7/123—Semiconductors first coated with a seed layer or a conductive layer
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- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—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
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/11—Manufacturing methods
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—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
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L24/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
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- 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
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- H01L2224/03—Manufacturing methods
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- H01L2224/03444—Manufacturing methods by blanket deposition of the material of the bonding area in gaseous form
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- H01L2224/03—Manufacturing methods
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- H01L2224/03—Manufacturing methods
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- H01L2224/03462—Electroplating
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- H01—ELECTRIC ELEMENTS
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- H01L2224/03—Manufacturing methods
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/03—Manufacturing methods
- H01L2224/039—Methods of manufacturing bonding areas involving a specific sequence of method steps
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- 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
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/0401—Bonding areas specifically adapted for bump connectors, e.g. under bump metallisation [UBM]
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/05001—Internal layers
- H01L2224/05099—Material
- H01L2224/051—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/05101—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of less than 400°C
- H01L2224/05111—Tin [Sn] as principal constituent
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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Abstract
Description
X−S−Y
式中、X及びYは、置換または非置換フェノール基、HO−R−、または−R’−S−R”−OHであり得るが、但し、X及びYが同じであるとき、それらは、置換または非置換フェノール基であり、そうでない場合、X及びYは、異なり、R、R’、及びR”は、同じであるか、または異なり、また、1〜20個の炭素原子を有する直鎖または分岐アルキレンラジカルである、1つ以上の化合物と、次の構造式を有する1つ以上の化合物であって、
X−S−Y
式中、X及びYは、置換または非置換フェノール基、HO−R−、または−R’−S−R”−OHであり得るが、但し、X及びYが同じであるとき、それらは、置換または非置換フェノール基であり、そうでない場合、X及びYは、異なり、R、R’、及びR”は、同じであるか、または異なり、また、1〜20個の炭素原子を有する直鎖または分岐アルキレンラジカルである、1つ以上の化合物と、次の構造式を有する1つ以上の化合物であって、
X−S−Y
式中、X及びYは、置換または非置換フェノール基、HO−R−、または−R’S−R”−OHであり得るが、但し、X及びYが同じであるとき、それらは、置換または非置換フェノール基であり、そうでない場合、X及びYは、異なり、R、R’、及びR”は、同じであるか、または異なり、また、1〜20個の炭素原子を有する直鎖または分岐アルキレンラジカルである、1つ以上の化合物と、次の構造式を有する1つ以上の化合物であって、
X−S−Y(I)
式中、X及びYは、置換または非置換フェノール基、HO−R−、または−R’−S−R”−OHであり得るが、但し、X及びYが同じであるとき、それらは、置換または非置換フェノール基であり、そうでない場合、X及びYは、異なり、R、R’、及びR”は、同じであるか、または異なり、また、1〜20個の炭素原子を有する直鎖または分岐アルキレンラジカルである。フェノールの置換基としては、直鎖または分岐(C1−C5)アルキルが挙げられるが、それに限定されない。全般に、そのような化合物は、0.1g/L〜25g/L、一般的には、0.5g/L〜10g/Lの量で浴中に含まれる。
HO−R−S−R’−S−R”−OH(II)
式中、R、R’、及びR”は、同じであるか、または異なり、また、1〜20個の炭素原子、好ましくは、1〜10個の炭素原子、より好ましくは、R及びR”が2〜10個の炭素原子及びR’が2個の炭素原子を有する、直鎖または分岐アルキレンラジカルである。そのような化合物は、ジヒドロキシビススルフィド化合物として知られている。好ましくは、ジヒドロキシビススルフィド化合物は、フェノール含有化合物を超えて合金浴中に含まれる。
Claims (7)
- 1つ以上の銀イオン源と、1つ以上のスズイオン源と、次の構造式を有する1つ以上の化合物であって、
X−S−Y(I)
式中、X及びYは、置換または非置換フェノール基、HO−R−、または−R’S−R”−OHであり得るが、但し、X及びYが同じであるとき、それらは、置換または非置換フェノール基であり、そうでない場合、X及びYは、異なり、R、R’、及びR”は、同じであるか、または異なり、また、1〜20個の炭素原子を有する直鎖または分岐アルキレンラジカルである、1つ以上の化合物と、次の構造式を有する1つ以上の化合物であって、
を含む、電気めっき浴。 - 銀イオンとスズイオンとの比率が1〜12の範囲である、請求項1に記載の前記電気めっき浴。
- 銀イオンとスズイオンとの前記比率が1〜6の範囲である、請求項2に記載の前記電気めっき浴。
- X及びYは、異なり、また、HO−R−または−R’−S−R”−OHである、請求項1に記載の前記電気めっき浴。
- 前記構造式(III)の化合物と前記構造式(I)の化合物との比率が3〜300である、請求項1に記載の前記電気めっき浴。
- a)基板を、1つ以上の銀イオン源と、1つ以上のスズイオン源と、次の構造式を有する1つ以上の化合物であって、
X−S−Y
式中、X及びYは、置換または非置換フェノール基、HO−R−、または−R’S−R”−OHであり得るが、但し、X及びYが同じであるとき、それらは、置換または非置換フェノール基であり、そうでない場合、X及びYは、異なり、R、R’、及びR”は、同じであるか、または異なり、また、1〜20個の炭素原子を有する直鎖または分岐アルキレンラジカルである、1つ以上の化合物と、次の構造式を有する1つ以上の化合物であって、
b)銀−スズ合金を前記基板上に電気めっきすることと、
を含む、電気めっき方法。 - a)複数の相互接続バンプパッドを有する半導体ダイを提供することと、
b)前記相互接続バンプパッドを覆ってシード層を形成することと、
c)前記半導体ダイを、1つ以上の銀イオン源と、1つ以上のスズイオン源と、次の構造式を有する1つ以上の化合物であって、
X−S−Y
式中、X及びYは、置換または非置換フェノール基、HO−R−、または−R’S−R”−OHであり得るが、但し、X及びYが同じであるとき、それらは、置換または非置換フェノール基であり、そうでない場合、X及びYは、異なり、R、R’、及びR”は、同じであるか、または異なり、また、1〜20個の炭素原子を有する直鎖または分岐アルキレンラジカルである、1つ以上の化合物と、次の構造式を有する1つ以上の化合物であって、
d)銀−スズ合金相互接続バンプを、前記相互接続バンプパッドを覆って電気めっきすることと、
e)前記銀−スズ合金相互接続バンプをリフローすることと、
を含む、電気めっき方法。
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US13/910,109 US9512529B2 (en) | 2013-06-04 | 2013-06-04 | Electroplating baths of silver and tin alloys |
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PCT/US2014/040941 WO2014165867A1 (en) | 2013-04-06 | 2014-06-04 | Electroplating baths of silver and tin alloys |
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JP2017155296A (ja) * | 2016-03-02 | 2017-09-07 | 三菱マテリアル株式会社 | めっき液 |
JP2020056055A (ja) * | 2018-09-28 | 2020-04-09 | 三菱マテリアル株式会社 | コネクタ用端子材、コネクタ用端子及びコネクタ用端子材の製造方法 |
JP2020056057A (ja) * | 2018-09-28 | 2020-04-09 | 三菱マテリアル株式会社 | コネクタ用端子材、コネクタ用端子及びコネクタ用端子材の製造方法 |
JP7059877B2 (ja) | 2018-09-28 | 2022-04-26 | 三菱マテリアル株式会社 | コネクタ用端子材及びコネクタ用端子 |
JP2021063291A (ja) * | 2019-10-15 | 2021-04-22 | 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 | 酸性水性銀−ニッケル合金電気めっき組成物及び方法 |
JP7032502B2 (ja) | 2019-10-15 | 2022-03-08 | 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 | 酸性水性銀-ニッケル合金電気めっき組成物及び方法 |
JP7462799B2 (ja) | 2020-06-05 | 2024-04-05 | マクダーミッド エンソン インコーポレイテッド | 銀/スズ電気めっき浴及びその使用方法 |
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EP3004429B1 (en) | 2018-07-18 |
US9512529B2 (en) | 2016-12-06 |
KR101729658B1 (ko) | 2017-04-24 |
JP6083921B2 (ja) | 2017-02-22 |
WO2014165867A1 (en) | 2014-10-09 |
US20140353162A1 (en) | 2014-12-04 |
CN105492661A (zh) | 2016-04-13 |
EP3004429A1 (en) | 2016-04-13 |
KR20160013969A (ko) | 2016-02-05 |
CN105492661B (zh) | 2018-01-12 |
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