JP4549774B2 - 電解銅箔の製造方法 - Google Patents
電解銅箔の製造方法 Download PDFInfo
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- JP4549774B2 JP4549774B2 JP2004234792A JP2004234792A JP4549774B2 JP 4549774 B2 JP4549774 B2 JP 4549774B2 JP 2004234792 A JP2004234792 A JP 2004234792A JP 2004234792 A JP2004234792 A JP 2004234792A JP 4549774 B2 JP4549774 B2 JP 4549774B2
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- copper foil
- electrolytic copper
- electrolytic
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Description
・アノード面及びカソード面の大きさ :6cm×11cm
・アノードの材質 :DSE
・カソードの材質 :チタン板
・アノード−カソード間の距離 :5mm
・電解電流密度 :50A/dm2
・電解時間 :190秒
純水に、硫酸、硫酸銅5水和物、濃塩酸及びゼラチン(新田ゼラチン株式会社製UDB)を添加し溶解して、表1に示す組成の電解液2を調製した。
電解液1に代えて表1に示す組成の電解液2を用いた以外は実施例と同様にして、電解銅箔及びフュージング処理後のスズめっき皮膜形成銅箔を得た。得られた電解銅箔について、実施例と同様にして諸物性を測定した。また、得られた電解銅箔の光沢面につき、実施例と同様にして、X線回折分析を行い、各回折線の相対ピーク強度を測定し、ピーク強度比I(200)/I(111)を算出した。これらの結果を表2及び表3に示す。また、X線回折分析結果については図2に示す。また、得られたフュージング処理後のスズめっき皮膜形成銅箔について、実施例と同様にしてSIM観察を行った。結果を図4に示す。また、SIM観察に基づいてボイドの発生状況を評価した。結果を表3に示す。
2 スズめっき層(Cu6Sn5層)
3 スズめっき層(Cu3Sn層)
4、4a、4b、4c、4d、4e 銅箔層
5 ボイド
Claims (2)
- Cl含有量が30ppm未満である電解銅箔の製造方法であって、
電解液として、Cl−イオン濃度が10mg/l〜50mg/l、タンパク質濃度が0.2mg/l以下の活性炭処理して得られた硫酸−硫酸銅水溶液を用いて電解して得られることを特徴とする電解銅箔の製造方法。 - 前記硫酸−硫酸銅水溶液は、Cu2+イオン濃度が40g/l〜120g/l、フリーSO4 2−イオン濃度が100g/l〜200g/lである請求項1に記載の電解銅箔の製造方法。
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JP2004234792A JP4549774B2 (ja) | 2004-08-11 | 2004-08-11 | 電解銅箔の製造方法 |
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JP2004234792A JP4549774B2 (ja) | 2004-08-11 | 2004-08-11 | 電解銅箔の製造方法 |
Publications (3)
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JP2006052441A JP2006052441A (ja) | 2006-02-23 |
JP2006052441A5 JP2006052441A5 (ja) | 2007-09-20 |
JP4549774B2 true JP4549774B2 (ja) | 2010-09-22 |
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JP2004234792A Active JP4549774B2 (ja) | 2004-08-11 | 2004-08-11 | 電解銅箔の製造方法 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5024930B2 (ja) * | 2006-10-31 | 2012-09-12 | 三井金属鉱業株式会社 | 表面処理銅箔、極薄プライマ樹脂層付表面処理銅箔及びその表面処理銅箔の製造方法並びに極薄プライマ樹脂層付表面処理銅箔の製造方法 |
KR100958976B1 (ko) | 2008-02-01 | 2010-05-20 | 엘에스엠트론 주식회사 | 고굴곡성을 갖는 전해 동박 및 그 제조 방법 |
JP5352542B2 (ja) | 2010-07-15 | 2013-11-27 | エル エス エムトロン リミテッド | リチウム二次電池の集電体用銅箔 |
MY162358A (en) * | 2010-11-22 | 2017-06-15 | Mitsui Mining & Smelting Co | Surface-treated copper foil |
TWI542739B (zh) * | 2014-03-21 | 2016-07-21 | 長春石油化學股份有限公司 | 電解銅箔 |
JP2016023347A (ja) * | 2014-07-23 | 2016-02-08 | イビデン株式会社 | プリント配線板 |
CN107153084B (zh) * | 2017-05-27 | 2020-05-22 | 佛山市承安铜业有限公司 | 一种研究铜阳极Cl-浓度对镀铜质量影响的方法 |
WO2021153256A1 (ja) | 2020-01-30 | 2021-08-05 | 三井金属鉱業株式会社 | 電解銅箔 |
WO2021153257A1 (ja) | 2020-01-30 | 2021-08-05 | 三井金属鉱業株式会社 | 電解銅箔 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000345381A (ja) * | 1999-06-08 | 2000-12-12 | Mitsui Mining & Smelting Co Ltd | 電解銅箔の製造方法、電解銅箔、銅張り積層板およびプリント配線板 |
JP2001329390A (ja) * | 2000-05-18 | 2001-11-27 | Mitsui Mining & Smelting Co Ltd | 電解銅箔の電解装置及びその電解装置で得られた電解銅箔 |
JP2004035918A (ja) * | 2002-07-01 | 2004-02-05 | Nippon Denkai Kk | 電解銅箔の製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1036992A (ja) * | 1996-07-19 | 1998-02-10 | Japan Energy Corp | 電解銅箔及びその製造方法 |
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- 2004-08-11 JP JP2004234792A patent/JP4549774B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000345381A (ja) * | 1999-06-08 | 2000-12-12 | Mitsui Mining & Smelting Co Ltd | 電解銅箔の製造方法、電解銅箔、銅張り積層板およびプリント配線板 |
JP2001329390A (ja) * | 2000-05-18 | 2001-11-27 | Mitsui Mining & Smelting Co Ltd | 電解銅箔の電解装置及びその電解装置で得られた電解銅箔 |
JP2004035918A (ja) * | 2002-07-01 | 2004-02-05 | Nippon Denkai Kk | 電解銅箔の製造方法 |
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