JP2020142273A - 接合条件評価装置 - Google Patents
接合条件評価装置 Download PDFInfo
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- JP2020142273A JP2020142273A JP2019039977A JP2019039977A JP2020142273A JP 2020142273 A JP2020142273 A JP 2020142273A JP 2019039977 A JP2019039977 A JP 2019039977A JP 2019039977 A JP2019039977 A JP 2019039977A JP 2020142273 A JP2020142273 A JP 2020142273A
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- joining
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- H01L24/81—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a bump connector
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Abstract
Description
V=2*π*F*H5/3*Q*(−dH/dt)(2*π*H3+Q) ---- (式1)
Claims (7)
- 第一部材と第二部材とを接合部材を介在させた状態で加熱加圧することで接合する際の接合条件の導出を支援する装置であって、
前記第一部材と前記第二部材とを前記接合部材を介在させた状態で加熱加圧することで接合する接合部と、
複数種類の接合部材それぞれについて、加熱した過渡状態での前記接合部材の粘度と加熱条件との相関を示す粘度特性情報を含む物性情報が複数集合したライブラリと、
前記ライブラリを参照して接合に使用される前記接合部材に対応する前記物性情報を取得し、前記第一部材と前記第二部材とを接合して行う接合評価の評価条件の初期値を決定する初期評価条件決定部と、
設定された評価条件に従って前記接合部を駆動して前記第一、第二部材を接合するとともに、当該接合時における前記接合部材の粘度を測定する前記接合評価を1回以上実行する接合評価部と、
を備える、ことを特徴とする装置。 - 請求項1に記載の装置であって、
前記粘度特性情報は、前記接合部材を3℃/sec以上の昇温レートで加熱した際の粘度と加熱条件との相関を示す情報である、ことを特徴とする装置。 - 請求項1または2に記載の装置であって、
前記粘度特性情報は、少なくとも、昇温レートの違いによる温度に対する粘度の変化特性を含む、ことを特徴とする装置。 - 請求項3に記載の装置であって、
前記粘度特性は、さらに、昇温開始温度の違いによる温度に対する粘度の変化特性を含む、ことを特徴とする装置。 - 請求項1から4のいずれか1項に記載の装置であって、
前記接合評価部は、前記接合評価において測定された粘度に基づいて、前記評価条件の修正の要否を判断し、修正が不要と判断されるまで、前記評価条件の修正と前記接合評価の再実行と、を繰り返し、修正が不要と判断された時点の修正された前記評価条件を接合条件として特定する、ことを特徴とする装置。 - 請求項5に記載の装置であって、
前記第一部材は、底面に金属バンプが形成された半導体チップであり、
前記接合評価部は、前記金属バンプが溶融したタイミングにおける前記接合部材の粘度に基づいて、前記評価条件の修正の要否を判断する、
ことを特徴とする装置。 - 請求項6に記載の装置であって、
前記接合評価部は、前記接合部材の厚みの変化に基づいて前記金属バンプの溶融タイミングを特定するとともに、前記溶融タイミング直後の前記厚みの変化に基づいて前記溶融したタイミングにおける前記接合部材の粘度を算出する、ことを特徴とする装置。
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JP2002203874A (ja) * | 2000-12-28 | 2002-07-19 | Toray Eng Co Ltd | チップの実装方法 |
JP2007142232A (ja) * | 2005-11-21 | 2007-06-07 | Henkel Corp | バンプ付電子部品の実装方法 |
JP2008145273A (ja) * | 2006-12-11 | 2008-06-26 | Fujitsu Ltd | 樹脂粘度測定装置及び樹脂粘度測定方法 |
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