JP4303291B2 - 複合銅箔及びその製造方法 - Google Patents
複合銅箔及びその製造方法 Download PDFInfo
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Description
剥離層としてはベンゾトリアゾール系の有機化合物やクロム酸化物などの無機化合物を含有する層が一般的に用いられるが、高温において剥離層内に銅が拡散するため、薄銅層から支持体金属層を剥離することが困難となる。そこで、銅の拡散を防止する層を、支持体金属層または薄銅層のいずれかの、剥離層に面した表面に形成することが提案されている(例えば、特許文献1参照)。
(1)ピロリン酸銅めっき
電解液組成: ピロリン酸銅80g/l、ピロリン酸カリウム320g/l、アンモニア水2ml/l
pH: 8.5
電流密度: 2.0A/dm2
時間: 20秒
温度: 40℃
(2)硫酸銅めっき
電解液組成: 硫酸銅200g/l、硫酸100g/l
電流密度: 3.5A/dm2
時間: 300秒
温度: 40℃
Claims (13)
- 支持体金属層と、支持体金属層上の剥離層と、剥離層上の薄銅層の三層からなる複合銅箔であって、
(1)剥離層が、タングステンの合金とタングステンを含有する金属酸化物からなり、剥離層の一方の表面がタングステンの合金から主としてなり、他方の表面がタングステンを含有する金属酸化物から主としてなり、タングステンの合金の含有率が、タングステンの合金から主としてなる表面からタングステンを含有する金属酸化物から主としてなる表面に向かって連続的に減少し、タングステンを含有する金属酸化物の含有率が、タングステンを含有する金属酸化物から主としてなる表面からタングステンの合金から主としてなる表面に向かって連続的に減少しているものであること、又は、
(2)剥離層が、モリブデンの合金とモリブデンを含有する金属酸化物からなり、剥離層の一方の表面がモリブデンの合金から主としてなり、他方の表面がモリブデンを含有する金属酸化物から主としてなり、モリブデンの合金の含有率が、モリブデンの合金から主としてなる表面からモリブデンを含有する金属酸化物から主としてなる表面に向かって連続的に減少し、モリブデンを含有する金属酸化物の含有率が、モリブデンを含有する金属酸化物から主としてなる表面からモリブデンの合金から主としてなる表面に向かって連続的に減少しているものであること
を特徴とする複合銅箔。 - 支持体金属層が銅箔である請求項1に記載の複合銅箔。
- タングステンの合金がタングステン及び鉄族元素を含有する合金であり、モリブデンの合金がモリブデン及び鉄族元素を含有する合金であり、タングステンを含有する金属酸化物がタングステンの酸化物及び鉄族元素の酸化物を含有するものであり、モリブデンを含有する金属酸化物がモリブデンの酸化物及び鉄族元素の酸化物を含有するものである請求項1に記載の複合銅箔。
- 鉄族元素がニッケルである請求項3に記載の複合銅箔。
- タングステンの合金またはモリブデンの合金から主としてなる表面が、支持体金属層と接する表面であり、タングステンを含有する金属酸化物またはモリブデンを含有する金属酸化物から主としてなる表面が、薄銅層に接する表面である請求項1に記載の複合銅箔。
- 剥離層が、タングステンの合金とタングステンを含有する金属酸化物からなり、タングステンの合金の含有率が、タングステンの合金から主としてなる表面からタングステンを含有する金属酸化物から主としてなる表面に向かって連続的に減少し、タングステンを含有する金属酸化物の含有率が、タングステンを含有する金属酸化物から主としてなる表面からタングステンの合金から主としてなる表面に向かって連続的に減少しているものである請求項1に記載の複合銅箔。
- 剥離層が、モリブデンの合金とモリブデンを含有する金属酸化物からなり、モリブデンの合金の含有率が、モリブデンの合金から主としてなる表面からモリブデンを含有する金属酸化物から主としてなる表面に向かって連続的に減少し、モリブデンを含有する金属酸化物の含有率が、モリブデンを含有する金属酸化物から主としてなる表面からモリブデンの合金から主としてなる表面に向かって連続的に減少しているものである請求項1に記載の複合銅箔。
- 支持体金属層上に、剥離層と薄銅層とを電気めっきにより順次形成する複合銅箔の製造法において、剥離層の形成に用いる電解液として、タングステン酸化合物もしくはモリブデン酸化合物と、鉄族元素を含有する化合物と、クエン酸とを含有する電解液を用いることを特徴とする請求項1に記載の複合銅箔の製造方法。
- 支持体金属層が銅箔であり、鉄族元素がニッケルである請求項8に記載の複合銅箔の製造方法。
- 請求項1に記載の複合銅箔と樹脂基材とを、複合銅箔の薄銅層側を樹脂基材に面して積層成形した銅張積層板を用いることを特徴とするプリント配線板の製造方法。
- 樹脂基材が、ポリイミド系樹脂、エポキシ系樹脂、マレイミド系樹脂、トリアジン系樹脂、ポリフェニレンエーテル系樹脂、ポリブタジエン系樹脂のいずれか一種を少なくとも含有することを特徴とする請求項10に記載のプリント配線板の製造方法。
- 請求項1に記載の複合銅箔の薄銅層上に樹脂基材溶液を塗布し、加熱することによって得られる銅張樹脂フィルムを用いることを特徴とするプリント配線板の製造方法。
- 樹脂基材が、ポリイミド系樹脂、エポキシ系樹脂、マレイミド系樹脂、トリアジン系樹脂、ポリフェニレンエーテル系樹脂、ポリブタジエン系樹脂のいずれか一種を少なくとも含有することを特徴とする請求項12に記載のプリント配線板の製造方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004225027 | 2004-08-02 | ||
| JP2004225027 | 2004-08-02 | ||
| PCT/JP2005/013466 WO2006013735A1 (ja) | 2004-08-02 | 2005-07-22 | 複合銅箔及びその製造方法 |
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| Publication Number | Publication Date |
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| JPWO2006013735A1 JPWO2006013735A1 (ja) | 2008-07-31 |
| JP4303291B2 true JP4303291B2 (ja) | 2009-07-29 |
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| JP2006531381A Expired - Fee Related JP4303291B2 (ja) | 2004-08-02 | 2005-07-22 | 複合銅箔及びその製造方法 |
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| Country | Link |
|---|---|
| US (1) | US7816015B2 (ja) |
| JP (1) | JP4303291B2 (ja) |
| KR (1) | KR100859614B1 (ja) |
| CN (1) | CN1993501B (ja) |
| MY (1) | MY140573A (ja) |
| TW (1) | TW200609109A (ja) |
| WO (1) | WO2006013735A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4927503B2 (ja) | 2005-12-15 | 2012-05-09 | 古河電気工業株式会社 | キャリア付き極薄銅箔及びプリント配線基板 |
| JP4934409B2 (ja) | 2005-12-15 | 2012-05-16 | 古河電気工業株式会社 | キャリア付き極薄銅箔及びプリント配線基板 |
| TW200804626A (en) * | 2006-05-19 | 2008-01-16 | Mitsui Mining & Smelting Co | Copper foil provided with carrier sheet, method for fabricating copper foil provided with carrier sheet, surface-treated copper foil provided with carrier sheet, and copper-clad laminate using the surface-treated copper foil provided with carrier she |
| JP4891037B2 (ja) * | 2006-11-22 | 2012-03-07 | 日本電解株式会社 | 複合銅箔およびその製造方法、ならびに該複合銅箔を用いたプリント配線板の製造方法 |
| CN102203326A (zh) * | 2008-09-05 | 2011-09-28 | 古河电气工业株式会社 | 带有载体的极薄铜箔以及贴铜层压板或印刷线路基板 |
| KR101006619B1 (ko) * | 2008-10-20 | 2011-01-07 | 삼성전기주식회사 | 라운드형 솔더범프를 갖는 인쇄회로기판 및 그 제조방법 |
| CN101892499B (zh) * | 2010-07-24 | 2011-11-09 | 江西理工大学 | 以铜箔作载体的可剥离超薄铜箔及其制备方法 |
| EP2468826A1 (de) | 2010-12-21 | 2012-06-27 | Bayer MaterialScience AG | Pickering-Emulsion zur Herstellung elektrisch leitfähiger Beschichtungen und Verfahren zur Herstellung einer Pickering-Emulsion |
| JP5666384B2 (ja) * | 2011-05-31 | 2015-02-12 | 日本電解株式会社 | 支持体付極薄銅箔とその製造方法 |
| JP5175992B1 (ja) * | 2012-07-06 | 2013-04-03 | Jx日鉱日石金属株式会社 | 極薄銅箔及びその製造方法、並びに極薄銅層 |
| JP6085919B2 (ja) * | 2012-08-31 | 2017-03-01 | 味の素株式会社 | 極薄銅層付きフィルム、極薄銅層付き接着フィルム、それらの製造方法、銅張積層板、及び配線板 |
| WO2014132947A1 (ja) * | 2013-02-26 | 2014-09-04 | 古河電気工業株式会社 | キャリア付き極薄銅箔、銅張積層板並びにコアレス基板 |
| JP2015133342A (ja) * | 2014-01-09 | 2015-07-23 | 京セラサーキットソリューションズ株式会社 | 配線基板の製造方法 |
| CN105537082B (zh) * | 2016-01-28 | 2018-11-09 | 深圳市弘海电子材料技术有限公司 | 两层法制备挠性无胶聚酰亚胺覆铜板时的干燥方法 |
| EP3930996B1 (en) * | 2019-02-28 | 2023-10-25 | Circuit Foil Luxembourg | Composite copper foil and method of fabricating the same |
| CN117512505B (zh) * | 2023-02-28 | 2025-10-28 | 深圳惠科新材料股份有限公司 | 复合铜箔制备方法和复合铜箔 |
| TWI902265B (zh) * | 2024-05-23 | 2025-10-21 | 南亞塑膠工業股份有限公司 | 印刷電路板用銅箔及其製造方法 |
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| US6405429B1 (en) * | 1999-08-26 | 2002-06-18 | Honeywell Inc. | Microbeam assembly and associated method for integrated circuit interconnection to substrates |
| TW591991B (en) | 2000-03-10 | 2004-06-11 | Olin Corp | Copper foil with low profile bond enhancement |
| US6346335B1 (en) * | 2000-03-10 | 2002-02-12 | Olin Corporation | Copper foil composite including a release layer |
| FI109348B (fi) | 2000-07-04 | 2005-09-14 | Metso Paper Inc | Menetelmä ja sovitelma rullien lajittelemiseksi |
| US7026059B2 (en) * | 2000-09-22 | 2006-04-11 | Circuit Foil Japan Co., Ltd. | Copper foil for high-density ultrafine printed wiring boad |
| JP2002292788A (ja) | 2001-03-30 | 2002-10-09 | Nippon Denkai Kk | 複合銅箔及び該複合銅箔の製造方法 |
| CN1217564C (zh) * | 2001-05-14 | 2005-08-31 | 日本电解株式会社 | 经糙化处理的铜箔及其制造方法 |
| JP4164731B2 (ja) * | 2001-08-21 | 2008-10-15 | 東洋紡績株式会社 | 織物 |
| JP4612978B2 (ja) * | 2001-09-20 | 2011-01-12 | 日本電解株式会社 | 複合銅箔及びその製造方法 |
| JP3973197B2 (ja) * | 2001-12-20 | 2007-09-12 | 三井金属鉱業株式会社 | キャリア箔付電解銅箔及びその製造方法 |
| JP2003286596A (ja) | 2002-03-29 | 2003-10-10 | Nippon Denkai Kk | レーザー穴明けに適した銅箔とその製造方法 |
| JP2004169181A (ja) * | 2002-10-31 | 2004-06-17 | Furukawa Techno Research Kk | キャリア付き極薄銅箔、及びその製造方法、キャリア付き極薄銅箔を用いたプリント配線基板 |
-
2005
- 2005-07-20 TW TW094124580A patent/TW200609109A/zh not_active IP Right Cessation
- 2005-07-22 CN CN2005800257753A patent/CN1993501B/zh not_active Expired - Lifetime
- 2005-07-22 KR KR1020077001751A patent/KR100859614B1/ko not_active Expired - Fee Related
- 2005-07-22 WO PCT/JP2005/013466 patent/WO2006013735A1/ja not_active Ceased
- 2005-07-22 JP JP2006531381A patent/JP4303291B2/ja not_active Expired - Fee Related
- 2005-07-22 US US11/573,059 patent/US7816015B2/en not_active Expired - Fee Related
- 2005-07-29 MY MYPI20053514A patent/MY140573A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070033005A (ko) | 2007-03-23 |
| TWI300380B (ja) | 2008-09-01 |
| US7816015B2 (en) | 2010-10-19 |
| WO2006013735A1 (ja) | 2006-02-09 |
| CN1993501A (zh) | 2007-07-04 |
| US20070212566A1 (en) | 2007-09-13 |
| KR100859614B1 (ko) | 2008-09-23 |
| JPWO2006013735A1 (ja) | 2008-07-31 |
| WO2006013735A8 (ja) | 2006-09-21 |
| MY140573A (en) | 2009-12-31 |
| CN1993501B (zh) | 2010-11-10 |
| TW200609109A (en) | 2006-03-16 |
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