JP2019026894A - 電解銅めっき用陽極、及びそれを用いた電解銅めっき装置 - Google Patents
電解銅めっき用陽極、及びそれを用いた電解銅めっき装置 Download PDFInfo
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- JP2019026894A JP2019026894A JP2017147707A JP2017147707A JP2019026894A JP 2019026894 A JP2019026894 A JP 2019026894A JP 2017147707 A JP2017147707 A JP 2017147707A JP 2017147707 A JP2017147707 A JP 2017147707A JP 2019026894 A JP2019026894 A JP 2019026894A
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- Prior art keywords
- anode
- copper plating
- electrolytic copper
- electrolytic
- plating solution
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- 239000010949 copper Substances 0.000 title claims abstract description 209
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 206
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 206
- 238000007747 plating Methods 0.000 title claims abstract description 177
- 230000002378 acidificating effect Effects 0.000 claims abstract description 18
- -1 disulfide compound Chemical class 0.000 claims abstract description 7
- 238000009713 electroplating Methods 0.000 claims description 5
- 230000000052 comparative effect Effects 0.000 description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 15
- 238000005868 electrolysis reaction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910000365 copper sulfate Inorganic materials 0.000 description 6
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 6
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 5
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 5
- 229910000457 iridium oxide Inorganic materials 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 4
- CGPVLUCOFNAVGV-UHFFFAOYSA-N copper;pentahydrate Chemical compound O.O.O.O.O.[Cu] CGPVLUCOFNAVGV-UHFFFAOYSA-N 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910001431 copper ion Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LMPMFQXUJXPWSL-UHFFFAOYSA-N 3-(3-sulfopropyldisulfanyl)propane-1-sulfonic acid Chemical compound OS(=O)(=O)CCCSSCCCS(O)(=O)=O LMPMFQXUJXPWSL-UHFFFAOYSA-N 0.000 description 1
- OBDVFOBWBHMJDG-UHFFFAOYSA-N 3-mercapto-1-propanesulfonic acid Chemical compound OS(=O)(=O)CCCS OBDVFOBWBHMJDG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/12—Process control or regulation
-
- 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
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/001—Apparatus specially adapted for electrolytic coating of wafers, e.g. semiconductors or solar cells
-
- 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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/423—Plated through-holes or plated via connections characterised by electroplating method
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Electroplating Methods And Accessories (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
【解決手段】電解銅めっき液が貯留された電解処理槽内に配設する陽極であって、当該電解銅めっき液が、ジスルフィド化合物を含有した酸性電解銅めっき液であり、当該陽極が、溶解性銅陽極と不溶性陽極とを電気的に接続した状態で備えたことを特徴とする電解銅めっき用陽極を採用する。
【選択図】図1
Description
比較例1では、電解銅めっき用陽極として溶解性銅陽極のみ用いた場合における効果を確認するための試験を行った。
比較例2では、比較例1と同様に、電解銅めっき用陽極として溶解性銅陽極のみ用いた場合における効果を確認するための試験を行った。
1・・・電解銅めっき用陽極
2・・・溶解性銅陽極
3・・・不溶性陽極
5・・・循環配管
6・・・ノズル
10・・・電解銅めっき装置
20・・・電解処理槽
21・・・電解銅めっき液(酸性電解銅めっき液)
Claims (5)
- 電解銅めっき液が貯留された電解処理槽内に配設する陽極であって、
当該電解銅めっき液が、ジスルフィド化合物を含有した酸性電解銅めっき液であり、
当該陽極が、溶解性銅陽極と不溶性陽極とを電気的に接続した状態で備えたことを特徴とする電解銅めっき用陽極。 - 前記溶解性銅陽極と前記不溶性陽極との電解銅めっき液に浸漬した表面の面積比率は、10:1〜1:10である請求項1に記載の電解銅めっき用陽極。
- 前記溶解性銅陽極と前記不溶性陽極との電解銅めっき液に浸漬した表面の面積比率は、5:1〜1:5である請求項2に記載の電解銅めっき用陽極。
- 請求項1〜請求項3のいずれかに記載の電解銅めっき用陽極を備えたことを特徴とする電解めっき装置。
- 被めっき部材が、スルーホール及び/又はビアホールを有するプリント配線基板又はウエハーであって、当該スルーホール及び/又は当該ビアホールの内部に銅を充填する電解処理を行う請求項4に記載の電解めっき装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017147707A JP6653799B2 (ja) | 2017-07-31 | 2017-07-31 | 電解銅めっき用陽極、及びそれを用いた電解銅めっき装置 |
TW107119157A TWI683931B (zh) | 2017-07-31 | 2018-06-04 | 電解鍍銅用陽極及使用其之電解鍍銅裝置 |
PCT/JP2018/026178 WO2019026578A1 (ja) | 2017-07-31 | 2018-07-11 | 電解銅めっき用陽極、及びそれを用いた電解銅めっき装置 |
CN201880047492.6A CN110997989A (zh) | 2017-07-31 | 2018-07-11 | 电解镀铜用阳极、及使用该阳极的电解镀铜装置 |
KR1020207002324A KR102381835B1 (ko) | 2017-07-31 | 2018-07-11 | 전해 구리 도금용 양극 및 그것을 이용한 전해 구리 도금 장치 |
Applications Claiming Priority (1)
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JP2017147707A JP6653799B2 (ja) | 2017-07-31 | 2017-07-31 | 電解銅めっき用陽極、及びそれを用いた電解銅めっき装置 |
Publications (2)
Publication Number | Publication Date |
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JP2019026894A true JP2019026894A (ja) | 2019-02-21 |
JP6653799B2 JP6653799B2 (ja) | 2020-02-26 |
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Country Status (5)
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JP (1) | JP6653799B2 (ja) |
KR (1) | KR102381835B1 (ja) |
CN (1) | CN110997989A (ja) |
TW (1) | TWI683931B (ja) |
WO (1) | WO2019026578A1 (ja) |
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DE102018133532A1 (de) * | 2018-12-21 | 2020-06-25 | Maschinenfabrik Kaspar Walter Gmbh & Co Kg | Elektrolyt und Verfahren zur Herstellung von Chromschichten |
KR102445229B1 (ko) * | 2019-09-30 | 2022-09-21 | 한국재료연구원 | 도금액에 포함된 첨가제 분해 산물 농도 측정 셀 |
CN111575746A (zh) * | 2020-06-10 | 2020-08-25 | 诸暨企周企业管理有限公司 | 一种抗氧化效果的铜箔电解生产设备 |
Citations (2)
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JP2014513211A (ja) * | 2011-04-26 | 2014-05-29 | アトーテヒ ドイッチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング | 銅の電解析出用水性酸浴 |
JP2017008404A (ja) * | 2015-06-25 | 2017-01-12 | 田中貴金属工業株式会社 | めっき装置及びめっき方法 |
Family Cites Families (8)
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JP3455705B2 (ja) * | 1999-11-08 | 2003-10-14 | 大阪府 | 電気銅めっき装置ならびに前記装置を使用した銅めっき方法 |
JP4033616B2 (ja) | 2000-09-04 | 2008-01-16 | 鶴見曹達株式会社 | 銅メッキ材料の製造方法 |
EP1264918B1 (en) * | 2001-06-07 | 2011-11-23 | Shipley Co. L.L.C. | Electrolytic copper plating method |
JP3803968B2 (ja) | 2002-10-22 | 2006-08-02 | 荏原ユージライト株式会社 | 酸性銅めっき方法および酸性銅めっき装置 |
JP2005187869A (ja) | 2003-12-25 | 2005-07-14 | Hitachi Aic Inc | メッキ方法及びメッキ装置 |
JP5110269B2 (ja) * | 2007-08-09 | 2012-12-26 | 上村工業株式会社 | 電気銅めっき方法 |
JP5650899B2 (ja) * | 2009-09-08 | 2015-01-07 | 上村工業株式会社 | 電気めっき装置 |
JP2017210644A (ja) * | 2016-05-24 | 2017-11-30 | メルテックス株式会社 | 溶解性銅陽極、電解銅めっき装置、電解銅めっき方法、及び酸性電解銅めっき液の保存方法 |
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2017
- 2017-07-31 JP JP2017147707A patent/JP6653799B2/ja active Active
-
2018
- 2018-06-04 TW TW107119157A patent/TWI683931B/zh active
- 2018-07-11 CN CN201880047492.6A patent/CN110997989A/zh active Pending
- 2018-07-11 KR KR1020207002324A patent/KR102381835B1/ko active IP Right Grant
- 2018-07-11 WO PCT/JP2018/026178 patent/WO2019026578A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2014513211A (ja) * | 2011-04-26 | 2014-05-29 | アトーテヒ ドイッチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング | 銅の電解析出用水性酸浴 |
JP2017008404A (ja) * | 2015-06-25 | 2017-01-12 | 田中貴金属工業株式会社 | めっき装置及びめっき方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20200032101A (ko) | 2020-03-25 |
CN110997989A (zh) | 2020-04-10 |
KR102381835B1 (ko) | 2022-04-01 |
TWI683931B (zh) | 2020-02-01 |
TW201910565A (zh) | 2019-03-16 |
JP6653799B2 (ja) | 2020-02-26 |
WO2019026578A1 (ja) | 2019-02-07 |
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