JP6130312B2 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JP6130312B2 JP6130312B2 JP2014023101A JP2014023101A JP6130312B2 JP 6130312 B2 JP6130312 B2 JP 6130312B2 JP 2014023101 A JP2014023101 A JP 2014023101A JP 2014023101 A JP2014023101 A JP 2014023101A JP 6130312 B2 JP6130312 B2 JP 6130312B2
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Description
図2〜図11は実施形態の半導体装置の製造方法を示す図、図12は実施形態の半導体装置を示す図である。以下、半導体装置の製造方法を説明しながら、半導体装置の構造について説明する。
Claims (11)
- 基端の幅が先端の幅よりも細い逆台形状の断面形状を有する第1の電極を備えた配線基板と、
基端の幅が先端の幅よりも細い逆台形状の断面形状を有する第2の電極を備えた半導体チップと、
対向する前記第1の電極の先端と前記第2の電極の先端とを接合する金属接合材と、
前記配線基板と前記半導体チップとの間に充填され、前記第1の電極及び前記第2の電極の各側面と前記金属接合材の側面とを被覆する第1のアンダーフィル樹脂と
を有することを特徴とする半導体装置。 - 前記金属接合材ははんだ層からなり、前記はんだ層は前記第1の電極及び前記第2の電極の各側面を被覆しないように形成されていることを特徴とする請求項1に記載の半導体装置。
- 前記半導体チップの第2の電極の高さは、前記配線基板の第1の電極の高さよりも高いことを特徴とする請求項1又は2に記載の半導体装置。
- 前記配線基板の第1の電極は、パッド状の電極であることを特徴とする請求項1乃至3のいずれか一項に記載の半導体装置。
- 前記配線基板の第1の電極は、延在する配線層の一部分に画定された電極部であることを特徴とする請求項1乃至3のいずれか一項に記載の半導体装置。
- 前記半導体チップの横方向の前記配線基板の上に配置され、前記半導体チップの高さ位置よりも高さの高いバンプ電極と、
前記半導体チップの上に配置され、前記バンプ電極に電気的に接続された上側配線基板と、
前記半導体チップと前記上側配線基板の間、及び前記配線基板と前記上側配線基板との間に形成された第2のアンダーフィル樹脂とを有することを特徴とする請求項1乃至5のいずれか一項に記載の半導体装置。 - 基端の幅が先端の幅よりも細い逆台形状の断面形状を有する第1の電極を備えた配線基板を用意する工程と、
前記配線基板の前記第1の電極が形成された面に封止樹脂材を形成する工程と、
基端の幅が先端の幅よりも細い逆台形状の断面形状を有する第2の電極を備えた半導体チップを用意し、前記半導体チップの第2の電極を前記封止樹脂材に押し込み、前記配線基板の第1の電極に金属接合材を介して圧接させる工程と、
加熱処理することにより、前記半導体チップの第2の電極を前記金属接合材によって前記配線基板の第1の電極に接合すると共に、前記配線基板と前記半導体チップとの間に前記封止樹脂材から形成されるアンダーフィル樹脂を充填する工程と
を有し、
前記第1の電極及び前記第2の電極の各側面と前記金属接合材の側面とが前記アンダーフィル樹脂で被覆されることを特徴とする半導体装置の製造方法。 - 前記アンダーフィル樹脂を形成する工程において、前記金属接合材ははんだ層から形成され、
前記加熱処理は、前記はんだ層の融点よりも低い温度で行なわれることを特徴とする請求項7に記載の半導体装置の製造方法。 - 前記半導体チップの第2の電極の高さは、前記配線基板の第1の電極の高さよりも高いことを特徴とする請求項7又は8に記載の半導体装置の製造方法。
- 前記配線基板の第1の電極は、パッド状の電極であることを特徴とする請求項7乃至9のいずれか一項に記載の半導体装置の製造方法。
- 前記配線基板の第1の電極は、延在する配線層の一部分に画定された電極部であることを特徴とする請求項7乃至9のいずれか一項に記載の半導体装置の製造方法。
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JP6691031B2 (ja) * | 2016-10-05 | 2020-04-28 | 新光電気工業株式会社 | 配線基板及びその製造方法、半導体パッケージ |
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