JP2017204390A - 導電性ペーストおよび電子部品の製造方法 - Google Patents
導電性ペーストおよび電子部品の製造方法 Download PDFInfo
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- H01G4/00—Fixed capacitors; Processes of their manufacture
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- H01G4/308—Stacked capacitors made by transfer techniques
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
【解決手段】導電性粒子および溶剤を含む導電性ペーストは、溶剤のハンセン溶解度パラメータの水素結合項δhが15以上、かつ分極項δpが7以上であり、溶剤のハンセン溶解度パラメータのSP値が24以上39以下である。
電子部品の製造方法は、ハンセン溶解度パラメータの水素結合項δhが9以上11以下であるバインダを含むセラミックグリーンシートと内部電極用の電極材料層とが積層された未焼成の積層体を準備する工程と、未焼成の積層体に、本発明の導電性ペーストを塗布する工程とを備える。
【選択図】図1
Description
導電性粒子および溶剤を含む導電性ペーストであって、
前記溶剤のハンセン溶解度パラメータの水素結合項δhが15以上、かつ分極項δpが7以上であり、
前記溶剤のハンセン溶解度パラメータのSP値が24以上39以下であること
を特徴とする。
未焼成の積層体に導電性ペーストを塗布することによって形成される電子部品の製造方法であって、
ハンセン溶解度パラメータの水素結合項δhが9以上11以下であるバインダを含むセラミックグリーンシートと内部電極用の電極材料層とが積層された、未焼成の積層体を準備する工程と、
前記未焼成の積層体に、請求項1〜4のいずれかに記載の導電性ペーストを塗布する工程と
を備えることを特徴とする。
δh:15〜28
δp:7〜20
δd:17〜19
Δδ=√{(δd’−δd)2+(δp’−δp)2+(δh’−δh)2} …(1)
まず、固形成分として、金属粉末、セラミック粉末、分散剤、および溶剤を混合することによって第1ミルベースを得て、これを玉石とともに容積1Lの樹脂ポット中で調合した。この調合済みポットを一定の回転速度で12時間回転させることによってポットミル分散処理を行い、第1スラリーを得た。
図4を参照しながら、積層セラミックコンデンサ10の製造方法について説明する。
[実験例]
11 積層体
12 誘電体層
12a 外層部である誘電体層
13(13a,13b) 内部電極
14 外部電極
L 積層体(積層セラミックコンデンサ)の長さ
T 積層体(積層セラミックコンデンサ)の厚み
W 積層体(積層セラミックコンデンサ)の幅
Claims (7)
- 導電性粒子および溶剤を含む導電性ペーストであって、
前記溶剤のハンセン溶解度パラメータの水素結合項δhが15以上、かつ分極項δpが7以上であり、
前記溶剤のハンセン溶解度パラメータのSP値が24以上39以下であること
を特徴とする導電性ペースト。 - 前記溶剤は、グリコール系溶剤を含むことを特徴とする請求項1に記載の導電性ペースト。
- 前記導電性ペーストの粘度は、せん断速度が10(1/sec)かつ25℃の条件下で30(Pa・s)以上70(Pa・s)以下であることを特徴とする請求項1または2に記載の導電性ペースト。
- 前記導電性粒子は、Ni、Cu、Ag、Pd、AgとPdの合金からなる群より選ばれる少なくとも1種を含むことを特徴とする請求項1〜3のいずれかに記載の導電性ペースト。
- 未焼成の積層体に導電性ペーストを塗布することによって形成される電子部品の製造方法であって、
ハンセン溶解度パラメータの水素結合項δhが9以上11以下であるバインダを含むセラミックグリーンシートと内部電極用の電極材料層とが積層された、未焼成の積層体を準備する工程と、
前記未焼成の積層体に、請求項1〜4のいずれかに記載の導電性ペーストを塗布する工程と
を備えることを特徴とする電子部品の製造方法。 - 前記導電性ペーストを塗布する工程の前に、前記未焼成の積層体の表面に撥油処理を施す工程をさらに備えることを特徴とする請求項5に記載の電子部品の製造方法。
- 前記導電性ペーストを塗布する工程の後に、前記導電性ペーストを塗布した未焼成の積層体を焼成する工程をさらに備えることを特徴とする請求項5または6に記載の電子部品の製造方法。
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JP2016095760A JP7083225B2 (ja) | 2016-05-12 | 2016-05-12 | 電子部品の製造方法 |
KR1020170054805A KR102121796B1 (ko) | 2016-05-12 | 2017-04-28 | 전자부품의 제조 방법 |
US15/585,690 US20170330690A1 (en) | 2016-05-12 | 2017-05-03 | Conductive paste and manufacturing method therefor |
CN201710332288.6A CN107369487B (zh) | 2016-05-12 | 2017-05-11 | 电子部件的制造方法 |
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JP6673322B2 (ja) * | 2017-12-20 | 2020-03-25 | 住友ベークライト株式会社 | 導電性ペーストおよび伸縮性配線基板 |
JP2020202220A (ja) * | 2019-06-07 | 2020-12-17 | 株式会社村田製作所 | 積層セラミック電子部品 |
WO2021106470A1 (ja) * | 2019-11-29 | 2021-06-03 | 住友金属鉱山株式会社 | グラビア印刷用導電性ペースト、電子部品、及び積層セラミックコンデンサ |
CN115635385B (zh) * | 2022-09-30 | 2023-06-20 | 广东微容电子科技有限公司 | 一种mlcc的倒角方法 |
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JPH08264369A (ja) * | 1995-03-17 | 1996-10-11 | Tokin Corp | 積層セラミック型電子部品 |
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JP2009170242A (ja) * | 2008-01-16 | 2009-07-30 | Sumitomo Metal Mining Co Ltd | 積層セラミックコンデンサ内部電極用水性導電性ペースト組成物 |
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WO1996035010A1 (fr) * | 1995-05-01 | 1996-11-07 | Teijin Limited | Fibre d'acetate de cellulose possedant une section non circulaire, son montage et son procede de preparation |
US5645673A (en) * | 1995-06-02 | 1997-07-08 | International Business Machines Corporation | Lamination process for producing non-planar substrates |
JP3734731B2 (ja) * | 2001-09-06 | 2006-01-11 | 株式会社ノリタケカンパニーリミテド | セラミック電子部品及びその製造方法 |
JP3888263B2 (ja) * | 2001-10-05 | 2007-02-28 | 株式会社村田製作所 | 積層セラミック電子部品の製造方法 |
CN102751093B (zh) * | 2008-12-26 | 2015-07-08 | 株式会社村田制作所 | 陶瓷电子元器件的制造方法及陶瓷电子元器件 |
TWI557096B (zh) * | 2011-09-28 | 2016-11-11 | 可樂麗股份有限公司 | 漿料組成物、陶瓷坯片及積層陶瓷電容器 |
JP2015173141A (ja) | 2014-03-11 | 2015-10-01 | イビデン株式会社 | コンデンサ内蔵基板及びコンデンサ内蔵基板の製造方法 |
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2016
- 2016-05-12 JP JP2016095760A patent/JP7083225B2/ja active Active
-
2017
- 2017-04-28 KR KR1020170054805A patent/KR102121796B1/ko active IP Right Grant
- 2017-05-03 US US15/585,690 patent/US20170330690A1/en not_active Abandoned
- 2017-05-11 CN CN201710332288.6A patent/CN107369487B/zh active Active
Patent Citations (5)
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JPH08264369A (ja) * | 1995-03-17 | 1996-10-11 | Tokin Corp | 積層セラミック型電子部品 |
JP2001076964A (ja) * | 1999-06-30 | 2001-03-23 | Taiyo Yuden Co Ltd | 積層セラミック電子部品の製造方法 |
JP2005243333A (ja) * | 2004-02-25 | 2005-09-08 | Murata Mfg Co Ltd | 導電性ペースト |
JP2009170242A (ja) * | 2008-01-16 | 2009-07-30 | Sumitomo Metal Mining Co Ltd | 積層セラミックコンデンサ内部電極用水性導電性ペースト組成物 |
WO2013157293A1 (ja) * | 2012-04-19 | 2013-10-24 | 日本碍子株式会社 | 膜型圧電/電歪素子 |
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JP7083225B2 (ja) | 2022-06-10 |
US20170330690A1 (en) | 2017-11-16 |
CN107369487A (zh) | 2017-11-21 |
KR20170128094A (ko) | 2017-11-22 |
KR102121796B1 (ko) | 2020-06-11 |
CN107369487B (zh) | 2019-12-20 |
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