JP5700864B2 - 銅微粒子分散液、導電膜形成方法及び回路基板 - Google Patents
銅微粒子分散液、導電膜形成方法及び回路基板 Download PDFInfo
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Description
焼結進行剤を含有する。焼結進行剤は、常温より高い温度で銅から銅酸化物を除去する化合物である。銅酸化物は、酸化銅(I)及び酸化銅(II)である。常温より高いこのような温度は、銅微粒子を光焼結するための光の照射によってもたらされる。
実施例1と同じ銅微粒子分散液と基板を用いた。この基板上に膜厚1μmの皮膜を形成した。皮膜の色は黒色であった。皮膜を乾燥した後、皮膜に光を照射した。光の照射前に皮膜を乾燥したので、分散媒は焼結進行剤として機能しない。光照射のエネルギーは、実施例1と同じとした。
分散媒としてジエチレングリコールジブチルエーテルを用い、平均粒子径が70nmの銅微粒子を用いて、銅微粒子分散液を作った。分散剤も焼結進行剤も分散媒に添加しなかった。銅微粒子の濃度は、40質量%とした。この銅微粒子分散液は、銅微粒子の安定分散性が低く、銅微粒子は、かき混ぜた後しばらくの間は分散したが、1時間程度で沈殿した。基板として、実施例3と同じガラス基板を用いた。この基板上に銅微粒子分散液から成る皮膜を形成した。皮膜を乾燥した後、皮膜に光を照射した。光照射のエネルギーは、11J/cm2とした。光の照射によって、凝集した銅微粒子が多くの塊として基板上に残った状態となった。このような状態は、「吹き飛び(blow-off)」と呼ばれる。銅微粒子の焼結はある程度進行したが、導電膜は形成されなかった。
分散媒としてn−ヘキサンを用いた。分散剤としてリン酸エステル(商品名「DISPERBYK(登録商標)−102」)を用いた。分散剤の濃度は、銅微粒子分散液に対して2質量%とした。それ以外の条件を比較例2と同じにした。基板上に銅微粒子分散液から成る皮膜を形成した。皮膜を乾燥した後、皮膜に光を照射した。光の照射後、基板上の皮膜は、黒色であり、そのシート抵抗は、1Ω/sqという高い値であった。光照射エネルギーを11J/cm2より高くすると、皮膜の色が青色に変化し、皮膜の表面酸化が起こった。
分散媒として1,3−ジメチル−2−イミダゾリジノンを用いた。それ以外の条件を比較例3と同じにした。光の照射後、基板上の皮膜は、黒色であり、そのシート抵抗は、1Ω/sqであった。光照射エネルギーを11J/cm2より高くすると、皮膜の色が青色に変化し、皮膜の表面酸化が起こった。
分散媒としてN−メチルピロリドンを用いた。それ以外の条件を比較例4と同じにした。光の照射後、基板上の皮膜は、黒色であり、そのシート抵抗は、1Ω/sqであった。光照射エネルギーを11J/cm2より高くすると、皮膜の色が青色に変化し、皮膜の表面酸化が起こった。
分散媒として炭酸プロピレンを用いた。それ以外の条件を比較例5と同じにした。光の照射後、基板上の皮膜は、黒色であり、そのシート抵抗は、1Ω/sqであった。光照射エネルギーを11J/cm2より高くすると、皮膜の色が青色に変化し、皮膜の表面酸化が起こった。
分散媒として水を用いた。分散剤として、酸基を有する共重合物のアルキロールアンモニウム塩(商品名「DISPERBYK(登録商標)−180」)を用いた。それ以外の条件を比較例6と同じにした。作った銅微粒子分散液は、銅微粒子の水への溶解が進行するため、1日後には青色の液体になった。このため、銅微粒子分散液を作成後速やかに使用した。光の照射後、基板上の皮膜は、黒色であり、そのシート抵抗は、1Ω/sqであった。光照射エネルギーを11J/cm2より高くすると、皮膜の色が青色に変化し、皮膜の表面酸化が起こった。
11 銅微粒子
2 皮膜
3 基材
4 導電膜
Claims (4)
- 分散媒と、前記分散媒中に分散された銅微粒子とを有する銅微粒子分散液であって、
焼結進行剤を含有し、
前記焼結進行剤は、常温より高い温度で銅から銅酸化物を除去する化合物であり、常温より高い温度で銅と錯生成する化合物であり、
常温より高い前記温度は、前記銅微粒子を光焼結するための光の照射によってもたらされ、
前記化合物は、ポリアミドイミド、ポリイミド、ホスホン酸、β−ジケトン、アセチレングリコール、チオエーテル、及び硫酸エステルよりなる群から選ばれることを特徴とする銅微粒子分散液。 - 分散媒と、前記分散媒中に分散された銅微粒子とを有する銅微粒子分散液であって、
焼結進行剤を含有し、
前記焼結進行剤は、常温より高い温度で銅から銅酸化物を除去する化合物であり、常温より高い温度で銅酸化物を溶解するアルカリであり、
常温より高い前記温度は、前記銅微粒子を光焼結するための光の照射によってもたらされ、
前記アルカリは、水酸化カリウムであることを特徴とする銅微粒子分散液。 - 請求項1又は請求項2に記載の銅微粒子分散液から成る皮膜を基材上に形成する工程と、
前記皮膜に光を照射することによって、その皮膜中の銅微粒子を光焼結して導電膜を形成する工程とを有することを特徴とする導電膜形成方法。 - 請求項3に記載の導電膜形成方法によって形成された導電膜を有する回路を前記基材から成る基板上に備えることを特徴とする回路基板。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013102916A JP5700864B2 (ja) | 2013-05-15 | 2013-05-15 | 銅微粒子分散液、導電膜形成方法及び回路基板 |
| CN201480025664.1A CN105210155B (zh) | 2013-05-15 | 2014-01-31 | 铜微粒分散体、导电膜形成方法以及电路板 |
| EP14797696.3A EP2998967A1 (en) | 2013-05-15 | 2014-01-31 | Copper-fine-particle dispersion liquid, conductive-film formation method, and circuit board |
| KR1020157031362A KR101840917B1 (ko) | 2013-05-15 | 2014-01-31 | 구리 미립자 분산액, 도전막 형성 방법 및 회로 기판 |
| US14/769,953 US20160007455A1 (en) | 2013-05-15 | 2014-01-31 | Copper particulate dispersion, conductive film forming method, and circuit board |
| PCT/JP2014/052222 WO2014185102A1 (ja) | 2013-05-15 | 2014-01-31 | 銅微粒子分散液、導電膜形成方法及び回路基板 |
| TW103116754A TWI534834B (zh) | 2013-05-15 | 2014-05-12 | 銅微粒子分散液 |
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| JP2013102916A JP5700864B2 (ja) | 2013-05-15 | 2013-05-15 | 銅微粒子分散液、導電膜形成方法及び回路基板 |
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| JP2014225338A JP2014225338A (ja) | 2014-12-04 |
| JP5700864B2 true JP5700864B2 (ja) | 2015-04-15 |
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| US (1) | US20160007455A1 (ja) |
| EP (1) | EP2998967A1 (ja) |
| JP (1) | JP5700864B2 (ja) |
| KR (1) | KR101840917B1 (ja) |
| CN (1) | CN105210155B (ja) |
| TW (1) | TWI534834B (ja) |
| WO (1) | WO2014185102A1 (ja) |
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| JP5275498B1 (ja) * | 2012-07-03 | 2013-08-28 | 石原薬品株式会社 | 導電膜形成方法及び焼結進行剤 |
| WO2015012264A1 (ja) * | 2013-07-23 | 2015-01-29 | 旭化成株式会社 | 銅及び/又は銅酸化物分散体、並びに該分散体を用いて形成された導電膜 |
| JP2015133317A (ja) * | 2013-12-10 | 2015-07-23 | Dowaエレクトロニクス株式会社 | 導電性ペーストおよびそれを用いた導電膜の製造方法 |
| CN106538074B (zh) | 2014-03-25 | 2020-03-06 | 斯特拉塔西斯公司 | 用在制造跨层图案的方法及系统 |
| WO2016013426A1 (ja) * | 2014-07-22 | 2016-01-28 | 住友電気工業株式会社 | 金属微粒子分散液及び金属被膜 |
| CN107210119B (zh) * | 2015-01-22 | 2019-02-05 | 阿尔卑斯电气株式会社 | 压粉磁芯及其制法、电气/电子元件以及电气/电子设备 |
| FR3033666B1 (fr) * | 2015-03-10 | 2019-06-07 | Ecole Nationale Superieure Des Mines | Realisation d'objets electroniques par utilisation combinee de l'impression 3d et de l'impression par jet de matiere |
| CN107614265A (zh) * | 2015-03-25 | 2018-01-19 | 斯特拉塔西斯公司 | 导电油墨原位烧结的方法和系统 |
| US9649730B2 (en) * | 2015-08-12 | 2017-05-16 | E I Du Pont De Nemours And Company | Paste and process for forming a solderable polyimide-based polymer thick film conductor |
| US20170044382A1 (en) * | 2015-08-12 | 2017-02-16 | E I Du Pont De Nemours And Company | Process for forming a solderable polyimide-based polymer thick film conductor |
| US9637647B2 (en) * | 2015-08-13 | 2017-05-02 | E I Du Pont De Nemours And Company | Photonic sintering of a polymer thick film copper conductor composition |
| US9637648B2 (en) * | 2015-08-13 | 2017-05-02 | E I Du Pont De Nemours And Company | Photonic sintering of a solderable polymer thick film copper conductor composition |
| JP2017212311A (ja) * | 2016-05-25 | 2017-11-30 | 株式会社フジクラ | 配線基板の製造方法 |
| JPWO2018003399A1 (ja) * | 2016-06-30 | 2018-07-05 | 株式会社コイネックス | 銅配線およびそれを用いた電子機器、タッチパッド、タッチパネル |
| WO2018075032A1 (en) * | 2016-10-19 | 2018-04-26 | Hewlett-Packard Development Company, L.P. | Three-dimensional (3d) printing |
| TWI681872B (zh) | 2017-07-18 | 2020-01-11 | 日商旭化成股份有限公司 | 具有導電性圖案區域之構造體及其製造方法、積層體及其製造方法 |
| JP7280665B2 (ja) * | 2018-05-08 | 2023-05-24 | 石原ケミカル株式会社 | 銅ナノ粉、銅ナノインク、および導電膜形成方法 |
| US11453618B2 (en) * | 2018-11-06 | 2022-09-27 | Utility Global, Inc. | Ceramic sintering |
| US11539053B2 (en) | 2018-11-12 | 2022-12-27 | Utility Global, Inc. | Method of making copper electrode |
| JP7419676B2 (ja) * | 2019-06-04 | 2024-01-23 | 株式会社レゾナック | 電子部品の製造方法及び電子部品 |
| WO2021231846A1 (en) * | 2020-05-14 | 2021-11-18 | Utility Global, Inc. | Copper electrode and method of making |
| JP7565812B2 (ja) * | 2021-01-28 | 2024-10-11 | ノリタケ株式会社 | 導電性ペーストおよびその利用 |
| JP7666011B2 (ja) * | 2021-02-22 | 2025-04-22 | 三菱マテリアル株式会社 | 接合用ペースト、及び接合体の製造方法 |
| EP4295975A1 (en) * | 2021-02-22 | 2023-12-27 | Mitsubishi Materials Corporation | Bonding paste, bonded layer, bonded body, and method for producing bonded body |
| JP7711390B2 (ja) * | 2021-02-22 | 2025-07-23 | 三菱マテリアル株式会社 | 接合層、接合体及び接合体の製造方法 |
| US20230092683A1 (en) * | 2021-09-10 | 2023-03-23 | Utility Global, Inc. | Method of making an electrode |
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| US6157480A (en) * | 1998-09-21 | 2000-12-05 | Gentex Corporation | Seal for electrochromic devices |
| DE10019599A1 (de) * | 2000-04-20 | 2001-10-31 | Wacker Chemie Gmbh | Selbsthaftende additionsvernetzende Siliconzusammensetzungen |
| US20100233146A1 (en) * | 2002-09-09 | 2010-09-16 | Reactive Surfaces, Ltd. | Coatings and Surface Treatments Having Active Enzymes and Peptides |
| CN101232963B (zh) * | 2005-07-25 | 2011-05-04 | 住友金属矿山株式会社 | 铜微粒分散液及其制造方法 |
| CN1736593A (zh) * | 2005-07-28 | 2006-02-22 | 武汉理工大学 | 掺铜的铌钾复合氧化物光催化剂及其制备方法 |
| US10231344B2 (en) * | 2007-05-18 | 2019-03-12 | Applied Nanotech Holdings, Inc. | Metallic ink |
| JP5392884B2 (ja) * | 2007-09-21 | 2014-01-22 | 三井金属鉱業株式会社 | 銅粉の製造方法 |
| US20090111948A1 (en) * | 2007-10-25 | 2009-04-30 | Thomas Eugene Dueber | Compositions comprising polyimide and hydrophobic epoxy and phenolic resins, and methods relating thereto |
| CN101903959B (zh) * | 2007-12-18 | 2013-01-23 | 日立化成工业株式会社 | 铜导体膜及其制造方法、导电性基板及其制造方法、铜导体布线及其制造方法、以及处理液 |
| US8506849B2 (en) * | 2008-03-05 | 2013-08-13 | Applied Nanotech Holdings, Inc. | Additives and modifiers for solvent- and water-based metallic conductive inks |
| US20100000762A1 (en) * | 2008-07-02 | 2010-01-07 | Applied Nanotech Holdings, Inc. | Metallic pastes and inks |
| JP2010118449A (ja) * | 2008-11-12 | 2010-05-27 | Toray Ind Inc | 導電膜の製造方法 |
| JP2010135205A (ja) * | 2008-12-05 | 2010-06-17 | Hitachi Cable Ltd | 同軸ケーブル及びその製造方法 |
| JP2010146995A (ja) * | 2008-12-22 | 2010-07-01 | Hitachi Maxell Ltd | 透明導電性シートの製造方法 |
| ES2647535T3 (es) * | 2009-10-23 | 2017-12-22 | Henkel IP & Holding GmbH | Composición de base acuosa adecuada para uso en aplicaciones de fijación de roscas |
| US8558117B2 (en) * | 2010-02-13 | 2013-10-15 | Aculon, Inc. | Electroconductive inks made with metallic nanoparticles |
| JP5715851B2 (ja) * | 2011-02-24 | 2015-05-13 | 東芝テック株式会社 | ナノ粒子インク組成物を用いた印刷物の製造方法 |
| JP5088760B1 (ja) * | 2011-11-14 | 2012-12-05 | 石原薬品株式会社 | 銅微粒子分散液、導電膜形成方法及び回路基板 |
| JP5088761B1 (ja) * | 2011-11-14 | 2012-12-05 | 石原薬品株式会社 | 銅微粒子分散液、導電膜形成方法及び回路基板 |
| TW201339279A (zh) * | 2011-11-24 | 2013-10-01 | Showa Denko Kk | 導電圖型形成方法及藉由光照射或微波加熱的導電圖型形成用組成物 |
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| CN105210155A (zh) | 2015-12-30 |
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| JP2014225338A (ja) | 2014-12-04 |
| TW201511034A (zh) | 2015-03-16 |
| TWI534834B (zh) | 2016-05-21 |
| CN105210155B (zh) | 2018-03-13 |
| US20160007455A1 (en) | 2016-01-07 |
| WO2014185102A1 (ja) | 2014-11-20 |
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