JP5918664B2 - 積層型半導体装置の製造方法 - Google Patents
積層型半導体装置の製造方法 Download PDFInfo
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- JP5918664B2 JP5918664B2 JP2012198367A JP2012198367A JP5918664B2 JP 5918664 B2 JP5918664 B2 JP 5918664B2 JP 2012198367 A JP2012198367 A JP 2012198367A JP 2012198367 A JP2012198367 A JP 2012198367A JP 5918664 B2 JP5918664 B2 JP 5918664B2
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Description
Claims (2)
- 回路基板を用意する工程と、
第1の半導体チップと、前記第1の半導体チップより小さい外形を有する第2の半導体チップとを用意する工程と、
前記回路基板上に前記第2の半導体チップを搭載する工程と、
前記回路基板と前記第2の半導体チップとを、第1の接続部材を介して電気的に接続する工程と、
前記第2の半導体チップの少なくとも一部を接着剤内に埋め込みつつ、前記接着剤で前記第1の半導体チップを前記回路基板に固着させる工程と、
前記回路基板と前記第1の半導体チップとを、第2の接続部材を介して電気的に接続する工程と、
前記第1および第2の半導体チップを前記第1および第2の接続部材と共に封止する封止樹脂層を、前記回路基板上に形成する工程とを具備し、
前記第1の半導体チップは90μm以上の厚さを有し、前記第2の半導体チップは75μm以下の厚さを有し、かつ前記接着剤によって形成される接着層は95μm以上150μm以下の範囲の厚さを有し、
前記第2の半導体チップが埋め込まれる際の熱時粘度が500Pa・s以上5000Pa・s以下の範囲である熱硬化性樹脂を、前記接着剤として用い、
前記第1の半導体チップを用意する工程は、
半導体ウエハの裏面に前記接着剤層とダイシングテープとを順に積層する工程と、
第1のブレードを用いて、前記半導体ウエハの厚さの一部のみを切削する工程と、
前記第1のブレードより刃幅が狭い第2のブレードを用いて、前記半導体ウエハの残部の厚さと前記接着剤層の厚さ全体とを切削し、前記接着剤層を有する前記第1の半導体チップを形成する工程と、
前記接着剤層を有する前記第1の半導体チップを、前記ダイシングテープからピックアップする工程とを具備し、
前記第1のブレードで切削した後の前記半導体ウエハの残部の厚さが85μm以上であることを特徴とする積層型半導体装置の製造方法。 - 前記接着剤は前記第2の半導体チップが埋め込まれた後に硬化処理され、
前記熱硬化性樹脂は加熱硬化時における流動粘度が1000Pa・s以上である、請求項1に記載の積層型半導体装置の製造方法。
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JP2012198367A JP5918664B2 (ja) | 2012-09-10 | 2012-09-10 | 積層型半導体装置の製造方法 |
CN201310058066.1A CN103681640B (zh) | 2012-09-10 | 2013-02-25 | 叠层型半导体装置及其制造方法 |
TW102106791A TWI501378B (zh) | 2012-09-10 | 2013-02-26 | 積層型半導體裝置及其製造方法 |
US13/795,297 US8896111B2 (en) | 2012-09-10 | 2013-03-12 | Semiconductor device and method for manufacturing the same |
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