JP2015167186A - 接続構造体の製造方法及び接続構造体 - Google Patents
接続構造体の製造方法及び接続構造体 Download PDFInfo
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Abstract
【解決手段】この接続構造体の製造方法では、導電粒子Pの70%以上が隣接する他の導電粒子Pと離間した状態の異方導電性フィルム11を用いる。このため、隣接する導電粒子P同士の凝集が抑えられ、隣接するバンプ電極6,6間及び隣接する回路電極8,8間の絶縁性を良好に確保できる。また、導電粒子Pが一方面側に偏在しており、導電粒子Pと一方面との間の距離が0μmより大きく1μm以下であると共に、バンプ電極6及び回路電極8が千鳥状に配列されている。これにより、圧着時の導電粒子Pの流動が抑えられ、バンプ電極6と回路電極8との間での導電粒子Pの捕捉効率を向上できる。したがって、第1の回路部材2と第2の回路部材3との間の接続信頼性を確保できる。
【選択図】図1
Description
[接続構造体の構成]
[異方導電性フィルムの構成]
(測定条件)
装置:東ソー株式会社製 GPC−8020
検出器:東ソー株式会社製 RI−8020
カラム:日立化成株式会社製 Gelpack GLA160S+GLA150S
試料濃度:120mg/3mL
溶媒:テトラヒドロフラン
注入量:60μL
圧力:2.94×106Pa(30kgf/cm2)
流量:1.00mL/min
[接続構造体の製造方法]
[異方導電性フィルムの製造方法]
[実施例]
(フェノキシ樹脂aの合成)
(異方導電性フィルムの作製)
(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)
(実施例1)
(実施例2)
(実施例3)
(実施例4)
(実施例5)
(比較例1)
(比較例2)
(比較例3)
(導電粒子の捕捉率及び抵抗特性の評価)
Claims (4)
- バンプ電極が配列された第1の回路部材と、前記バンプ電極に対応する回路電極が配列された第2の回路部材とを、導電粒子が接着剤層中に分散されてなる異方導電性フィルムを介して接続する接続構造体の製造方法であって、
前記バンプ電極及び前記回路電極は、隣接する列間で互いに位置が異なるように千鳥状に配列され、
前記異方導電性フィルムは、前記導電粒子が一方面側に偏在しており、前記導電粒子と前記一方面との間の距離が0μmより大きく1μm以下であり、かつ前記導電粒子の70%以上が隣接する他の導電粒子と離間した状態となっており、
前記異方導電性フィルムの前記一方面側が前記第2の回路部材側に向くように前記異方導電性フィルムを配置し、前記第1の回路部材と前記第2の回路部材とを熱圧着することを特徴とする接続構造体の製造方法。 - 前記バンプ電極間の間隔及び前記回路電極間の距離が5μm以上20μm未満であることを特徴とする請求項1記載の接続構造体の製造方法。
- 前記導電粒子の平均粒径が2.5μm以上6.0μm以下であり、導電粒子の密度が5000個/mm2以上50000個/mm2以下であることを特徴とする請求項1又は2記載の接続構造体の製造方法。
- バンプ電極が配列された第1の回路部材と、前記バンプ電極に対応する回路電極が配列された第2の回路部材とが、導電粒子が分散されてなる異方導電性接着剤層によって接続された接続構造体であって、
前記バンプ電極と前記回路電極との間の前記異方導電性接着剤層において、前記導電粒子の80%以上が前記第2の回路部材の実装面から前記導電粒子の平均粒径の180%以下となる範囲に位置していることを特徴とする接続構造体。
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CN201520035760.6U CN204651307U (zh) | 2014-03-04 | 2015-01-19 | 连接结构体 |
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WO2019132414A1 (ko) * | 2017-12-29 | 2019-07-04 | 삼성에스디아이 주식회사 | 이방 도전성 필름, 이를 포함하는 디스플레이 장치 및/또는 이를 포함하는 반도체 장치 |
WO2023171630A1 (ja) * | 2022-03-09 | 2023-09-14 | 株式会社レゾナック | 導電粒子、回路接続用接着フィルム及びその製造方法、並びに、接続構造体及びその製造方法 |
WO2023171631A1 (ja) * | 2022-03-09 | 2023-09-14 | 株式会社レゾナック | 導電粒子、回路接続用接着フィルム及びその製造方法、並びに、接続構造体及びその製造方法 |
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WO2018147163A1 (ja) * | 2017-02-13 | 2018-08-16 | デクセリアルズ株式会社 | 接続構造体、異方性接着材料、および接続構造体の製造方法 |
JP2018133562A (ja) * | 2017-02-13 | 2018-08-23 | デクセリアルズ株式会社 | 接続構造体、異方性接着材料、および接続構造体の製造方法 |
WO2019132414A1 (ko) * | 2017-12-29 | 2019-07-04 | 삼성에스디아이 주식회사 | 이방 도전성 필름, 이를 포함하는 디스플레이 장치 및/또는 이를 포함하는 반도체 장치 |
KR20190081985A (ko) * | 2017-12-29 | 2019-07-09 | 삼성에스디아이 주식회사 | 이방 도전성 필름, 이를 포함하는 디스플레이 장치 및/또는 이를 포함하는 반도체 장치 |
KR102180143B1 (ko) * | 2017-12-29 | 2020-11-17 | 국도화학 주식회사 | 이방 도전성 필름, 이를 포함하는 디스플레이 장치 및/또는 이를 포함하는 반도체 장치 |
JP2021509526A (ja) * | 2017-12-29 | 2021-03-25 | ククド ケミカル カンパニー リミテッド | 異方導電性フィルム、これを含むディスプレイ装置及び/又はこれを含む半導体装置 |
JP2022101569A (ja) * | 2017-12-29 | 2022-07-06 | ククド ケミカル カンパニー リミテッド | 異方導電性フィルム、これを含むディスプレイ装置及び/又はこれを含む半導体装置 |
JP7259113B2 (ja) | 2017-12-29 | 2023-04-17 | ククド アドバンスト マテリアルズ カンパニー リミテッド | 異方導電性フィルム、これを含むディスプレイ装置及び/又はこれを含む半導体装置 |
WO2023171630A1 (ja) * | 2022-03-09 | 2023-09-14 | 株式会社レゾナック | 導電粒子、回路接続用接着フィルム及びその製造方法、並びに、接続構造体及びその製造方法 |
WO2023171631A1 (ja) * | 2022-03-09 | 2023-09-14 | 株式会社レゾナック | 導電粒子、回路接続用接着フィルム及びその製造方法、並びに、接続構造体及びその製造方法 |
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