JP2005116566A - 半導体素子固定用接着剤、半導体素子への接着材の供給方法、半導体装置及び半導体装置の製造方法 - Google Patents
半導体素子固定用接着剤、半導体素子への接着材の供給方法、半導体装置及び半導体装置の製造方法 Download PDFInfo
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Abstract
【解決手段】半導体素子1を固定する際に予め半導体素子裏面に供給されている半導体素子固定用接着剤2であって、接着剤を付与された半導体素子が被着物に接する際にその周辺部の厚みより中央部の厚みが15%以上厚くなっていることを特徴とする半導体素子固定用接着剤であり、半導体素子が被着物に接する際の温度の接着剤の溶融粘度が50Pa・s以下であり、接着剤が、室温では固体であり、加熱されることにより溶融しその表面張力により半導体素子中央部分の接着剤厚みが周辺部厚みよりも厚くなるものであることが好ましい。
【選択図】図1
Description
[1] 半導体素子を固定する際に予め半導体素子裏面に供給されている半導体素子固定用接着剤であって、接着剤を付与された半導体素子が被着物に接する際にその厚みが半導体素子端部から500μmの幅の厚みの平均値(以後周辺部の厚みと呼称)より中央部500μm四方の部位の平均厚み(以後中央部厚みと呼称)が15%以上厚くなっていることを特徴とする半導体素子固定用接着剤、
[2] 半導体素子が被着物に接する際の温度の溶融粘度が50Pa・s以下である[1]項記載の半導体素子固定用接着剤、
[3] 接着剤が、室温では固体であり、加熱されることにより溶融しその表面張力により半導体素子中央部分の接着剤厚みが周辺部厚みよりも厚くなるものである[1]又は[2]項記載の半導体素子固定用接着剤、
[4] [1]〜[3]項のいずれかに記載された半導体固定用接着剤を半導体素子裏面に、スクリーン印刷又はステンシル印刷の方法で半導体素子中央部の接着剤厚みが周辺部分の厚みよりも厚くなるように配置することを特徴とする半導体素子への接着剤の供給方法、
[5] [1]〜[3]項のいずれかに記載された半導体素子固定用接着剤と[4]項記載の半導体素子への接着材の供給方法を用いて製造されたことを特徴とする半導体装置、
[6] [1]〜[3]項のいずれかに記載された半導体素子固定用接着剤と[4]項記載の半導体素子への接着材の供給方法を用いて製造することを特徴とする半導体装置の製造方法
である。
この結果得られる、ダイボンディング時の接着剤の厚みは中央部が周辺部より15%以上厚くなっている必要があり、好ましくは18%以上30%未満であることが望ましい。
下限値未満では、被着面の平坦度によっては、被着面端部に接着剤が先に接触し、ボイドの抜けを阻害してしまう。
−510T)を貼り付けた。
2 半導体素子固定用接着剤
3 第2の半導体素子
4 金線
5 半導体素子固定用接着剤
6 封止樹脂
7 有機サブストレート
Claims (6)
- 半導体素子を固定する際に予め半導体素子裏面に供給されている半導体素子固定用接着剤であって、接着剤を付与された半導体素子が被着物に接する際にその厚みが半導体素子端部から500μmの幅の厚みの平均値(以後周辺部の厚みと呼称)より中央部500μm四方の部位の平均厚み(以後中央部厚みと呼称)が15%以上厚くなっていることを特徴とする半導体素子固定用接着剤。
- 半導体素子が被着物に接する際の温度の溶融粘度が50Pa・s以下である請求項1記載の半導体素子固定用接着剤。
- 接着剤が、室温では固体であり、加熱されることにより溶融しその表面張力により半導体素子中央部分の接着剤厚みが周辺部厚みよりも厚くなるものである請求項1又は2記載の半導体素子固定用接着剤。
- 請求項1〜3のいずれかに記載された半導体固定用接着剤を半導体素子裏面に、スクリーン印刷又はステンシル印刷の方法で半導体素子中央部の接着剤厚みが周辺部分の厚みよりも厚くなるように配置することを特徴とする半導体素子への接着剤の供給方法。
- 請求項1〜3のいずれかに記載された半導体素子固定用接着剤と請求項4記載の半導体素子への接着材の供給方法を用いて製造されたことを特徴とする半導体装置。
- 請求項1〜3のいずれかに記載された半導体素子固定用接着剤と請求項4記載の半導体素子への接着材の供給方法を用いて製造することを特徴とする半導体装置の製造方法。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007157758A (ja) * | 2005-11-30 | 2007-06-21 | Sumitomo Bakelite Co Ltd | 半導体用接着フィルム及びこれを用いた半導体装置 |
JP2012028443A (ja) * | 2010-07-21 | 2012-02-09 | Denso Corp | 半導体装置および半導体装置の製造方法 |
WO2012073972A1 (ja) * | 2010-12-01 | 2012-06-07 | 日立化成工業株式会社 | 接着剤層付き半導体ウェハ、半導体装置の製造方法及び半導体装置 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007157758A (ja) * | 2005-11-30 | 2007-06-21 | Sumitomo Bakelite Co Ltd | 半導体用接着フィルム及びこれを用いた半導体装置 |
JP2012028443A (ja) * | 2010-07-21 | 2012-02-09 | Denso Corp | 半導体装置および半導体装置の製造方法 |
WO2012073972A1 (ja) * | 2010-12-01 | 2012-06-07 | 日立化成工業株式会社 | 接着剤層付き半導体ウェハ、半導体装置の製造方法及び半導体装置 |
CN103250235A (zh) * | 2010-12-01 | 2013-08-14 | 日立化成株式会社 | 带粘接剂层的半导体晶片、半导体装置的制造方法及半导体装置 |
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