JP2015007276A - スズまたはスズ合金用電気メッキ液およびその用途 - Google Patents
スズまたはスズ合金用電気メッキ液およびその用途 Download PDFInfo
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- JP2015007276A JP2015007276A JP2013133292A JP2013133292A JP2015007276A JP 2015007276 A JP2015007276 A JP 2015007276A JP 2013133292 A JP2013133292 A JP 2013133292A JP 2013133292 A JP2013133292 A JP 2013133292A JP 2015007276 A JP2015007276 A JP 2015007276A
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- tin
- electroplating
- electroplating solution
- filling
- tin alloy
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- 238000009713 electroplating Methods 0.000 title claims abstract description 83
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910001128 Sn alloy Inorganic materials 0.000 title claims abstract description 35
- 238000007747 plating Methods 0.000 claims abstract description 43
- 238000011049 filling Methods 0.000 claims abstract description 34
- 150000001875 compounds Chemical class 0.000 claims abstract description 18
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims abstract description 9
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
- 150000004002 naphthaldehydes Chemical class 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- FPYUJUBAXZAQNL-UHFFFAOYSA-N 2-chlorobenzaldehyde Chemical compound ClC1=CC=CC=C1C=O FPYUJUBAXZAQNL-UHFFFAOYSA-N 0.000 claims description 3
- BWHOZHOGCMHOBV-UHFFFAOYSA-N Benzalacetone Natural products CC(=O)C=CC1=CC=CC=C1 BWHOZHOGCMHOBV-UHFFFAOYSA-N 0.000 claims description 3
- BWHOZHOGCMHOBV-BQYQJAHWSA-N trans-benzylideneacetone Chemical compound CC(=O)\C=C\C1=CC=CC=C1 BWHOZHOGCMHOBV-BQYQJAHWSA-N 0.000 claims description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000002156 mixing Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 6
- 238000005429 filling process Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 229940098779 methanesulfonic acid Drugs 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- -1 gold ion Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- SQAINHDHICKHLX-UHFFFAOYSA-N 1-naphthaldehyde Chemical compound C1=CC=C2C(C=O)=CC=CC2=C1 SQAINHDHICKHLX-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- JALQQBGHJJURDQ-UHFFFAOYSA-L bis(methylsulfonyloxy)tin Chemical compound [Sn+2].CS([O-])(=O)=O.CS([O-])(=O)=O JALQQBGHJJURDQ-UHFFFAOYSA-L 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical compound OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 description 2
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 description 1
- VZYDKJOUEPFKMW-UHFFFAOYSA-N 2,3-dihydroxybenzenesulfonic acid Chemical compound OC1=CC=CC(S(O)(=O)=O)=C1O VZYDKJOUEPFKMW-UHFFFAOYSA-N 0.000 description 1
- PKZJLOCLABXVMC-UHFFFAOYSA-N 2-Methoxybenzaldehyde Chemical compound COC1=CC=CC=C1C=O PKZJLOCLABXVMC-UHFFFAOYSA-N 0.000 description 1
- WROUWQQRXUBECT-UHFFFAOYSA-N 2-ethylacrylic acid Chemical compound CCC(=C)C(O)=O WROUWQQRXUBECT-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 229910001439 antimony ion Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910001451 bismuth ion Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-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
- 230000000694 effects Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910001449 indium ion Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- LLABTCPIBSAMGS-UHFFFAOYSA-L lead(2+);methanesulfonate Chemical compound [Pb+2].CS([O-])(=O)=O.CS([O-])(=O)=O LLABTCPIBSAMGS-UHFFFAOYSA-L 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 229940044654 phenolsulfonic acid Drugs 0.000 description 1
- ZWLUXSQADUDCSB-UHFFFAOYSA-N phthalaldehyde Chemical compound O=CC1=CC=CC=C1C=O ZWLUXSQADUDCSB-UHFFFAOYSA-N 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910001432 tin ion Inorganic materials 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 1
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 1
- 235000012141 vanillin Nutrition 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
Classifications
-
- 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
- C25D5/02—Electroplating of selected surface areas
-
- 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
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
-
- 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
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/288—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition
- H01L21/2885—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition using an external electrical current, i.e. electro-deposition
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76898—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics formed through a semiconductor substrate
-
- 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
- H05K3/187—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 means therefor, e.g. baths, apparatus
-
- 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
- H05K3/42—Plated through-holes or plated via connections
- H05K3/421—Blind plated via connections
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
- Electrodes Of Semiconductors (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
Description
(a)カルボキシル基含有化合物
(b)カルボニル基含有化合物
を含有し、成分(a)が1.3g/L以上および成分(b)が0.3g/L以上であることを特徴とするスズまたはスズ合金用電気メッキ液である。
<スズ用電気メッキ液>
メタンスルホン酸第1スズ(スズとして):25〜150g/L、好ましくは70〜125g/L
メタンスルホン酸:10〜180g/L、好ましくは15〜120g/L
ポリオキシエチレンラウリルアミン:0.1〜8g/L、好ましくは3〜6g/L
カテコール:0.1〜5g/L、好ましくは0.5〜2g/L
メタクリル酸:0.2〜4g/L、好ましくは1.3〜2.5g/L
1−ナフトアルデヒド:0.05〜1.5g/L、好ましくは0.3〜1.0g/L
メタノール:0.7〜25g/L、好ましくは3.5〜17g/L
<スズ合金用電気メッキ液>
メタンスルホン酸第1スズ(スズとして):25〜150g/L、好ましくは70〜125g/L
メタンスルホン酸鉛(鉛として):0.1〜50g/L、好ましくは1〜30g/L
メタンスルホン酸:10〜180g/L、好ましくは15〜120g/L
ポリオキシエチレンラウリルアミン:0.1〜8g/L、好ましくは3〜6g/L
カテコール:0.1〜5g/L、好ましくは0.5〜2g/L
メタクリル酸:0.2〜4g/L、好ましくは1.3〜2.5g/L
1−ナフトアルデヒド:0.05〜1.5g/L、好ましくは0.3〜1.0g/L
メタノール:0.7〜25g/L、好ましくは3.5〜17g/L
スズ用電気メッキ液の調製:
下記組成のスズ用電気メッキ液を、成分1〜5、7を混合した後、成分6を混合することにより調製した。
スズ電気メッキによるブラインドビアの充填:
アスペクト比6(10φx60D)のブラインドビアを有するシリコンウエハ基板を水洗し、前処理を行った。この前処理を行った基板を、実施例1で調製したスズ用電気メッキ液(比較品1、実施品1)に1分間浸漬し、0.075A/dm2の電流密度で所定時間(15分(比較品1)または20分(実施品1))電気メッキを行った。電気メッキ後の基板の断面からビアの充填具合を観察した(図1)。
スズ電気メッキによるブラインドビアの充填:
実施例2で用いたのと同様の基板に前処理を行った後、実施例1で調製したスズ用電気メッキ液(実施品1または比較品2)に浸漬し、0.05A/dm2の電流密度で所定時間(15分、30分、60分、90分、120分(実施品1のみ))電気メッキを行った。電気メッキ後の基板の断面からビアの充填具合を観察した(図2および図3)。
スズ電気メッキによるブラインドビアの充填:
実施例2で用いたのと同様の基板に前処理を行った後、実施例1で調製したスズ用電気メッキ液(実施品1)に浸漬し、0.075A/dm2の電流密度で20分、0.15A/dm2の電流密度で10分、0.3A/dm2の電流密度で10分と変化させて電気メッキを行った。
スズ用電気メッキ液の調製:
下記組成のスズ用電気メッキ液を、成分1〜5、7を混合した後、成分6を混合することにより調製した。
スズ電気メッキによるビアの充填:
アスペクト比0.57(70φx40D)のブラインドビアを有するプリント配線板に40℃で1分間、アルカリ脱脂処理をした後、室温で10秒間、酸活性処理により前処理を行った。この前処理を行った基板を、実施例5で調製したスズ用電気メッキ液(実施品2)に浸漬し、1.5A/dm2の電流密度で所定時間(15分、25分または35分)電気メッキを行った。電気メッキ後の基板の断面からビアの充填具合を観察した(図4)。
スズ用電気メッキ液の調製:
下記組成のスズ用電気メッキ液を、成分1〜5、8を混合した後、成分6または7を混合することにより調製した。
スズ電気メッキによるビアの充填:
アスペクト比5(20φx100D)のブラインドビアを有するシリコンウエハ基板に前処理を行った後、実施例7で調製したスズ用電気メッキ液(実施品3または実施品4)に浸漬し、0.2A/dm2の電流密度でブラインドビアが充填されるまで電気メッキを行った。
スズ合金用電気メッキ液の調製:
下記組成のスズ合金用電気メッキ液を、成分1〜6、8を混合した後、成分7を混合することにより調製した。
スズ合金電気メッキによるブラインドビアの充填:
実施例6で用いたのと同様の基板に前処理を行った後、実施例9で調製したスズ合金用電気メッキ液(実施品5)に浸漬し、1.5A/dm2の電流密度で30分間電気メッキを行った。
以 上
Claims (8)
- スズまたはスズ合金用電気メッキ液であって、以下の成分(a)および(b)
(a)カルボキシル基含有化合物
(b)カルボニル基含有化合物
を含有し、成分(a)が1.3g/L以上および成分(b)が0.3g/L以上であることを特徴とするスズまたはスズ合金用電気メッキ液。 - 成分(a)と成分(b)のモル比が10以下である請求項1記載のスズまたはスズ合金用電気メッキ液。
- 成分(a)のカルボキシル基含有化合物が、メタクリル酸およびアクリル酸から選ばれる1種または2種である請求項1記載のスズまたはスズ合金用電気メッキ液。
- 成分(b)のカルボニル基含有化合物が、ベンザルアセトン、ナフトアルデヒドおよびクロロベンズアルデヒドから選ばれる1種または2種である請求項1記載のスズまたはスズ合金用電気メッキ液。
- ブラインドビアまたはスルーホールの充填用である請求項1〜4の何れかに記載のスズまたはスズ合金用電気メッキ液。
- ブラインドビアまたはスルーホールを有する被メッキ物に、請求項1〜5の何れかに記載のスズまたはスズ合金用電気メッキ液で電気メッキすることを特徴とするブラインドビアまたはスルーホールのメッキ充填方法。
- 電気メッキ中の電流密度を電気メッキ開始時より相対的に高くする請求項6記載のブラインドビアまたはスルーホールのメッキ充填方法。
- ブラインドビアまたはスルーホールを有する基板にメッキ充填をする工程を含む電子回路基板の製造方法において、メッキ充填を請求項6または7に記載のビアまたはスルーホールのメッキ充填方法で行うことを特徴とする電子回路基板の製造方法。
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JP2013133292A JP6006683B2 (ja) | 2013-06-26 | 2013-06-26 | スズまたはスズ合金用電気メッキ液およびその用途 |
KR1020157035631A KR20160024868A (ko) | 2013-06-26 | 2014-05-08 | 주석 또는 주석 합금용 전기 도금액 및 그의 용도 |
US14/898,288 US20160130712A1 (en) | 2013-06-26 | 2014-05-08 | Electroplating solution for tin or tin alloy, and use for same |
PCT/JP2014/062367 WO2014208204A1 (ja) | 2013-06-26 | 2014-05-08 | スズまたはスズ合金用電気メッキ液およびその用途 |
CN201480033173.1A CN105308218B (zh) | 2013-06-26 | 2014-05-08 | 锡或锡合金用电镀液及其用途 |
TW103118809A TWI625428B (zh) | 2013-06-26 | 2014-05-29 | Electroplating bath for tin or tin alloy and use thereof |
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WO2019082885A1 (ja) | 2017-10-24 | 2019-05-02 | 三菱マテリアル株式会社 | 錫又は錫合金めっき液 |
WO2019082884A1 (ja) | 2017-10-24 | 2019-05-02 | 三菱マテリアル株式会社 | 錫又は錫合金めっき液 |
WO2019181905A1 (ja) | 2018-03-20 | 2019-09-26 | 三菱マテリアル株式会社 | 錫又は錫合金のめっき液、バンプの形成方法、回路基板の製造方法 |
KR20200047736A (ko) | 2017-10-24 | 2020-05-07 | 미쓰비시 마테리알 가부시키가이샤 | 주석 또는 주석 합금 도금액 |
KR20200051034A (ko) | 2017-10-24 | 2020-05-12 | 미쓰비시 마테리알 가부시키가이샤 | 주석 또는 주석 합금 도금액 |
KR20200133330A (ko) | 2018-03-20 | 2020-11-27 | 미쓰비시 마테리알 가부시키가이샤 | 주석 또는 주석 합금의 도금액, 범프의 형성 방법, 회로 기판의 제조 방법 |
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JP6006683B2 (ja) | 2016-10-12 |
CN105308218A (zh) | 2016-02-03 |
KR20160024868A (ko) | 2016-03-07 |
CN105308218B (zh) | 2018-07-13 |
US20160130712A1 (en) | 2016-05-12 |
TW201510295A (zh) | 2015-03-16 |
TWI625428B (zh) | 2018-06-01 |
WO2014208204A1 (ja) | 2014-12-31 |
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