JP2019087538A - 異方導電性フィルムの製造方法及び接続構造体 - Google Patents
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Images
Abstract
Description
[塗工装置]
[異方導電性フィルムの構成]
(測定条件)
[異方導電性フィルムの製造方法]
[接続構造体の製造方法]
(実施例1)
(実施例2)
(実施例3)
(比較例1)
(異方導電性フィルム中の導電粒子の密度算出)
(導電粒子の単分散率の評価)
(接続構造体の作製)
(導電粒子の捕捉率及び抵抗特性の評価)
Claims (6)
- 導電粒子及び接着剤成分を含んで構成される異方導電性フィルムの製造方法であって、
前記異方導電性フィルムは、塗工ロールの表面に導電粒子及び接着剤成分を有機溶剤に溶解した異方導電性フィルム樹脂溶液を供給し、余分な異方導電性フィルム樹脂溶液を掻き取った後に、塗工ロールの表面の異方導電性フィルム樹脂溶液を剥離フィルム上に塗布する塗布装置を用いることを特徴とし、
前記塗工ロール周面部は、規則的に配列された多角形型の凹凸状の彫刻加工を有しており、
前記彫刻の溝から剥離フィルム上に、接着剤成分を塗布すると同時に、導電粒子を転写し配列させる工程を有することを特徴とする異方導電性フィルムの製造方法。 - 前記多角形型の凹凸状の彫刻加工が、正三角形,正方形,正五各形,又は、正六角形状であることを特徴とする請求項1記載の異方導電性フィルムの製造方法。
- 前記多角形型の凹凸状の彫刻の溝の深さが、導電粒子の直径の0.5倍以上かつ1.1倍以下であることを特徴とする請求項1又は2に記載の異方導電性フィルムの製造方法。
- 前記塗布装置には、前記塗工ロールに異方導電性フィルム樹脂溶液を塗布する密閉チャンバーを有する塗工ユニットと、密閉チャンバーに形成された樹脂溶液溜まり内に、異方導電性フィルム樹脂溶液を循環供給する樹脂溶液供給手段と、を備えることを特徴とする請求項1〜3いずれか一項記載の異方導電性フィルムの製造方法。
- 前記異方導電性フィルムは、前記導電粒子が分散された接着剤層からなる導電性接着剤層と、前記導電性接着剤層上に積層され、前記導電粒子が分散されていない接着剤層からなる絶縁性接着剤層と、を備えることを特徴する請求項1〜4いずれか一項に記載の異方導電性フィルムの製造方法。
- バンプ電極が設けられた第1の回路部材と、前記バンプ電極に対応する回路電極が設けられた第2の回路部材とを、請求項1〜5のいずれか一項に記載の異方導電性フィルムの製造方法で得られる異方導電性フィルムを介して接続してなることを特徴とする接続構造体。
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06223943A (ja) * | 1993-01-29 | 1994-08-12 | Hitachi Chem Co Ltd | 接続部材の製造法及びその製造装置 |
JPH1171560A (ja) * | 1997-08-28 | 1999-03-16 | Ricoh Co Ltd | 異方導電性接着材および液晶表示装置および液晶表示装置の作製方法 |
JP2000178511A (ja) * | 1997-07-24 | 2000-06-27 | Sony Chem Corp | 多層異方導電性接着剤およびその製造方法 |
JP2002177836A (ja) * | 2000-12-11 | 2002-06-25 | Sony Corp | 塗料の塗布装置及び塗布方法 |
JP2009152160A (ja) * | 2007-12-25 | 2009-07-09 | Tokai Rubber Ind Ltd | 粒子転写型およびその製造方法、粒子転写膜の製造方法ならびに異方性導電膜 |
US20140106160A1 (en) * | 2012-10-12 | 2014-04-17 | Hon Hai Precision Industry Co., Ltd. | Anisotropic conductive film and method for manufacturing the same |
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- 2019-01-11 JP JP2019003636A patent/JP6705516B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06223943A (ja) * | 1993-01-29 | 1994-08-12 | Hitachi Chem Co Ltd | 接続部材の製造法及びその製造装置 |
JP2000178511A (ja) * | 1997-07-24 | 2000-06-27 | Sony Chem Corp | 多層異方導電性接着剤およびその製造方法 |
JPH1171560A (ja) * | 1997-08-28 | 1999-03-16 | Ricoh Co Ltd | 異方導電性接着材および液晶表示装置および液晶表示装置の作製方法 |
JP2002177836A (ja) * | 2000-12-11 | 2002-06-25 | Sony Corp | 塗料の塗布装置及び塗布方法 |
JP2009152160A (ja) * | 2007-12-25 | 2009-07-09 | Tokai Rubber Ind Ltd | 粒子転写型およびその製造方法、粒子転写膜の製造方法ならびに異方性導電膜 |
US20140106160A1 (en) * | 2012-10-12 | 2014-04-17 | Hon Hai Precision Industry Co., Ltd. | Anisotropic conductive film and method for manufacturing the same |
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