JP2009517861A - 超音波振動を利用する電子部品間の接続方法(methodforbondingbetweenelectricaldevicesusingultrasonicvibration) - Google Patents
超音波振動を利用する電子部品間の接続方法(methodforbondingbetweenelectricaldevicesusingultrasonicvibration) Download PDFInfo
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- JP2009517861A JP2009517861A JP2008542234A JP2008542234A JP2009517861A JP 2009517861 A JP2009517861 A JP 2009517861A JP 2008542234 A JP2008542234 A JP 2008542234A JP 2008542234 A JP2008542234 A JP 2008542234A JP 2009517861 A JP2009517861 A JP 2009517861A
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- H01L2924/156—Material
- H01L2924/15786—Material with a principal constituent of the material being a non metallic, non metalloid inorganic material
- H01L2924/15788—Glasses, e.g. amorphous oxides, nitrides or fluorides
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Abstract
前記上・下接続部の電極の間に存在する接着剤に超音波エネルギーを印加して硬化する段階を包含することを特徴とする電子部品間の接続方法を提供する。
【選択図】 図6
Description
Claims (23)
- 接続する電子部品の上・下接続部における電極を整列する段階と、
前記上・下接続部の電極の間に存在する接着剤に超音波エネルギーを印加し、前記接着剤自体からの発熱を利用して接着剤を硬化させる段階と、
を包含する電子部品間の接続方法。 - 前記接着剤は、導電性接着剤又は非導電性接着剤であることを特徴とする、
請求項1に記載の電子部品間の接続方法。 - 前記導電性接着剤は、等方性導電性接着剤であることを特徴とする、
請求項2に記載の電子部品間の接続方法。 - 前記等方性導電性接着剤は、銀、銅、金、炭素、ニッケル、パラジウム、低融点はんだ粉末及びこれらの組合せからなる群より選択される1種を導電性粒子として包含することを特徴とする、
請求項3に記載の電子部品間の接続方法。 - 前記等方性導電性接着剤は、エポキシ樹脂、ポリエステル樹脂、アクリル樹脂、ポリイミド樹脂及びポリスルホン樹脂からなる群より選択される1種の樹脂を包含することを特徴とする、
請求項3に記載の電子部品間の接続方法。 - 前記導電性接着剤は、異方性導電性フィルム又は異方性導電性ペーストであることを特徴とする、
請求項2に記載の電子部品間の接続方法。 - 前記導電性接着剤は、金がコーティングされているポリマー粒子、金がコーティングされているニッケル粒子、金がコーティングされている銅粒子、低融点はんだ層がコーティングされているニッケル粒子、低融点はんだ層がコーティングされている銅粒子、低融点はんだ粒子及びこれらの組合せからなる群より選択される1種を導電粒子として包含することを特徴とする、
請求項6に記載の電子部品間の接続方法。 - 前記導電性接着剤は、前記導電粒子よりサイズの小さい非導電粒子をさらに包含することを特徴とする、
請求項7に記載の電子部品間の接続方法。 - 前記導電性接着剤は、エポキシ樹脂、ポリエステル樹脂、アクリル樹脂、ポリイミド樹脂、ポリスルホン樹脂からなる群より選択される1種の樹脂を包含することを特徴とする、
請求項7に記載の電子部品間の接続方法。 - 前記非導電性接着剤は、非導電性フィルム又は非導電性ペーストであることを特徴とする、
請求項2に記載の電子部品間の接続方法。 - 前記非導電性接着剤は、非導電粒子を包含することを特徴とする、
請求項10に記載の電子部品間の接続方法。 - 前記非導電性接着剤は、エポキシ樹脂、ポリエステル樹脂、アクリル樹脂、ポリイミド樹脂、ポリスルホン樹脂からなる群より選択される1種の樹脂を包含することを特徴とする、
請求項10に記載の電子部品間の接続方法。 - 前記上・下接続部における電子部品は、半導体チップと基板又は半導体チップと半導体チップであることを特徴とする、
請求項1に記載の電子部品間の接続方法。 - 前記半導体チップは、ディスプレイ駆動回路IC、イメージセンサーIC、メモリIC、非メモリIC、超高周波又はRFIC、シリコンを主成分とする半導体IC及び化合物半導体ICからなる群より選択される1種の半導体チップであることを特徴とする、
請求項13に記載の電子部品間の接続方法。 - 前記半導体チップ接続部の電極に金スタッドバンプ、銅スタッドバンプ、金メッキバンプ、銅メッキバンプ、無電解ニッケル/金バンプ及び無電解ニッケル/銅/金バンプからなる群より選択される1種のバンプを有することを特徴とする、
請求項1に記載の電子部品間の接続方法。 - 前記上・下接続部における電子部品が軟性基板と硬性基板、軟性基板と軟性基板又は硬性基板と硬性基板であることを特徴とする、
請求項1に記載の電子部品間の接続方法。 - 前記軟性基板は、ポリイミド基材に金属配線が形成されていることを特徴とする、
請求項16に記載の電子部品間の接続方法。 - 前記硬性基板は、エポキシ/ガラス、セラミック、ガラス又はシリコン半導体基板であることを特徴とする、
請求項16に記載の電子部品間の接続方法。 - 前記超音波は、縦方向超音波、横方向超音波又はこれらの混合型超音波であることを特徴とする、
請求項1に記載の電子部品間の接続方法。 - 前記超音波エネルギーを印加するとき、前記上・下接続部の全部又は一部に熱を加えることを特徴とする、
請求項1に記載の電子部品間の接続方法。 - 前記超音波の周波数は、20kHz〜60kHzであることを特徴とする、
請求項1に記載の電子部品間の接続方法。 - 前記超音波エネルギーの印加において、接着剤の硬化度に従って周波数及び振幅を変化させることを特徴とする、
請求項1に記載の電子部品間の接続方法。 - 前記超音波エネルギーは、所定の周波数を設定された時間の間、均一に加えるか又はパルス方式によって加えることを特徴とする、
請求項1に記載の電子部品間の接続方法。
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DE112006003181T5 (de) | 2008-11-06 |
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