JP2009182365A - 回路板の製造方法及び回路接続材料 - Google Patents
回路板の製造方法及び回路接続材料 Download PDFInfo
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- JP2009182365A JP2009182365A JP2009123328A JP2009123328A JP2009182365A JP 2009182365 A JP2009182365 A JP 2009182365A JP 2009123328 A JP2009123328 A JP 2009123328A JP 2009123328 A JP2009123328 A JP 2009123328A JP 2009182365 A JP2009182365 A JP 2009182365A
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Abstract
【解決手段】第一の接続端子を有する第一の回路部材と、第二の接続端子を有する第二の回路部材とを、第一の接続端子と第二の接続端子を対向して配置し、対向配置した第一の接続端子と第二の接続端子とを、回路接続材料を用いて電気的に接続する回路板の製造方法において、第一の回路部材と第二の回路部材とを、(1)加熱により遊離ラジカルを発生する硬化剤、(2)ポリビニルホルマール等から選ばれる少なくとも一種の分子量10000以上の水酸基含有樹脂、(3)アクリレート等から選ばれる少なくとも一種のラジカル重合性物質の成分を必須とする回路接続材料を介在させて重ね合わせた状態で加熱加圧及び超音波印加によって、第一の接続端子と第二の接続端子とを電気的および機械的に接続する回路板の製造方法。
【選択図】図4
Description
(1)加熱により遊離ラジカルを発生する硬化剤
(2)分子量10000以上の水酸基含有樹脂
(3)ラジカル重合性物質
(1)加熱により遊離ラジカルを発生する硬化剤
(2)ポリビニルホルマール、ポリビニルブチラール、ポリエステル、ポリアミド、キシレン樹脂、フェノキシ樹脂及びポリウレタンから選ばれる少なくとも一種を含む分子量10000以上の水酸基含有樹脂
(3)アクリレート、メタクリレート、マレイミド化合物から選ばれる少なくとも一種を含むラジカル重合性物質
(1)加熱により遊離ラジカルを発生する硬化剤
(2)分子量10000以上の水酸基含有樹脂
(3)ラジカル重合性物質
(1)加熱により遊離ラジカルを発生する硬化剤
(2)ポリビニルホルマール、ポリビニルブチラール、ポリエステル、ポリアミド、キシレン樹脂、フェノキシ樹脂及びポリウレタンから選ばれる少なくとも一種を含む分子量10000以上の水酸基含有樹脂、(3)アクリレート、メタクリレート、マレイミド化合物から選ばれる少なくとも一種を含むラジカル重合性物質
(実施例1)
(回路接続材料)回路接続材料(絶縁性接着剤成分)は、(1)加熱により遊離ラジカルを発生する硬化剤としてt−ヘキシルパーオキシ−2−エチルヘキサノネートを、(2)分子量10000以上の水酸基含有樹脂としてフェノキシ樹脂(PKHC;ユニオンカーバイド社製商品名、重量平均分子量45000)を、(3)ラジカル重合性物質としてウレタンアクリレートとリン酸エステル型アクリレート(共栄社油脂株式会社製、商品名P2M)を用いた。導電性粒子として、ポリスチレンを核とする粒子の表面に、厚み0.2μmのニッケル層を設けこのニッケル層の外側に、厚み0.04μmの金層を設け、さらに最外層を絶縁性樹脂で被覆した平均粒径5μmとした導電性粒子を用い、固形重量比でフェノキシ樹脂50g、ウレタンアクリレート49g、リン酸エステル型アクリレート(共栄社油脂株式会社製、商品名P2M)1g、t−ヘキシルパーオキシ−2−エチルヘキサノネート5g、メチルエチルケトン100gとなるように配合し、これに、導電性粒子を3体積%分散させた分散溶液を、片面を表面処理した厚み80μmのPETフィルムに塗工装置を用いて塗布乾燥し、接着剤層の厚みが20μmのフィルム状の回路接続材料を作製した。
Claims (10)
- 第一の接続端子を有する第一の回路部材と、第二の接続端子を有する第二の回路部材とを、第一の接続端子と第二の接続端子を対向して配置し、対向配置した前記第一の接続端子と前記第二の接続端子とを、回路接続材料を用いて電気的に接続する回路板の製造方法において、
前記第一の回路部材と前記第二の回路部材とを、下記(1)〜(3)の成分を必須とする回路接続材料を介在させて重ね合わせた状態で加熱加圧及び超音波印加によって、前記第一の接続端子と前記第二の接続端子とを電気的および機械的に接続することを特徴とする回路板の製造方法。
(1)加熱により遊離ラジカルを発生する硬化剤
(2)ポリビニルホルマール、ポリビニルブチラール、ポリエステル、ポリアミド、キシレン樹脂、フェノキシ樹脂及びポリウレタンから選ばれる少なくとも一種を含む分子量10000以上の水酸基含有樹脂
(3)アクリレート、メタクリレート、マレイミド化合物から選ばれる少なくとも一種を含むラジカル重合性物質 - (1)〜(3)の成分とさらに導電性粒子を必須成分とする請求項1に記載の回路板の製造方法。
- 導電性粒子の表面が絶縁性樹脂により被覆されていることを特徴とする請求項2に記載の回路板の製造方法。
- 導電性粒子の表面を被覆する絶縁性樹脂の厚みが導電性粒子の粒子径の20%以下であることを特徴とする請求項3に記載の回路板の製造方法。
- 第一の接続端子を有する第一の回路部材と、第二の接続端子を有する第二の回路部材とを、第一の接続端子と第二の接続端子を対向して配置し、対向配置した前記第一の接続端子と前記第二の接続端子との間に介在させて前記第一の接続端子と前記第二の接続端子とを電気的に接続する回路接続材料であって、
下記(1)〜(3)の成分を必須とし、前記第一の接続端子と前記第二の接続端子との間に介在させて重ね合わせた状態で加熱加圧及び超音波印加によって前記第一の接続端子と前記第二の接続端子とを電気的に接続する回路接続材料。
(1)加熱により遊離ラジカルを発生する硬化剤
(2)ポリビニルホルマール、ポリビニルブチラール、ポリエステル、ポリアミド、キシレン樹脂、フェノキシ樹脂及びポリウレタンから選ばれる少なくとも一種を含む分子量10000以上の水酸基含有樹脂
(3)アクリレート、メタクリレート、マレイミド化合物から選ばれる少なくとも一種を含むラジカル重合性物質 - (1)〜(3)の成分とさらに導電性粒子を必須成分とする請求項6に記載の回路接続材料。
- 導電性粒子の表面が絶縁性樹脂により被覆されていることを特徴とする請求項7に記載の回路接続材料。
- 導電性粒子の表面を被覆する絶縁性樹脂の厚みが導電性粒子の粒子径の20%以下であることを特徴とする請求項8に記載の回路接続材料。
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JPH04184887A (ja) * | 1990-11-16 | 1992-07-01 | Citizen Watch Co Ltd | 接続方法およびその装置 |
JPH07197001A (ja) * | 1993-12-28 | 1995-08-01 | Sony Chem Corp | 熱硬化型異方性導電性接着剤 |
JPH1021740A (ja) * | 1996-07-03 | 1998-01-23 | Asahi Chem Ind Co Ltd | 異方導電性組成物及びフィルム |
WO1998044067A1 (en) * | 1997-03-31 | 1998-10-08 | Hitachi Chemical Company, Ltd. | Circuit connecting material, and structure and method of connecting circuit terminal |
JPH1126922A (ja) * | 1997-07-02 | 1999-01-29 | Matsushita Electric Ind Co Ltd | チップ実装方法 |
JPH11163501A (ja) * | 1997-12-02 | 1999-06-18 | Rohm Co Ltd | 電子部品の実装方法、およびその方法によって製造された電子回路装置 |
JPH11241054A (ja) * | 1997-10-28 | 1999-09-07 | Sony Chem Corp | 異方導電性接着剤および接着用膜 |
JPH11293133A (ja) * | 1998-04-14 | 1999-10-26 | Nippon Zeon Co Ltd | 樹脂組成物 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH0329207A (ja) * | 1988-12-05 | 1991-02-07 | Hitachi Chem Co Ltd | 回路接続用組成物及びこれを用いた接続方法並びに半導体チップの接続構造 |
JPH04184887A (ja) * | 1990-11-16 | 1992-07-01 | Citizen Watch Co Ltd | 接続方法およびその装置 |
JPH07197001A (ja) * | 1993-12-28 | 1995-08-01 | Sony Chem Corp | 熱硬化型異方性導電性接着剤 |
JPH1021740A (ja) * | 1996-07-03 | 1998-01-23 | Asahi Chem Ind Co Ltd | 異方導電性組成物及びフィルム |
WO1998044067A1 (en) * | 1997-03-31 | 1998-10-08 | Hitachi Chemical Company, Ltd. | Circuit connecting material, and structure and method of connecting circuit terminal |
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JPH11241054A (ja) * | 1997-10-28 | 1999-09-07 | Sony Chem Corp | 異方導電性接着剤および接着用膜 |
JPH11163501A (ja) * | 1997-12-02 | 1999-06-18 | Rohm Co Ltd | 電子部品の実装方法、およびその方法によって製造された電子回路装置 |
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