JP5847749B2 - 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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- JP5847749B2 JP5847749B2 JP2013058303A JP2013058303A JP5847749B2 JP 5847749 B2 JP5847749 B2 JP 5847749B2 JP 2013058303 A JP2013058303 A JP 2013058303A JP 2013058303 A JP2013058303 A JP 2013058303A JP 5847749 B2 JP5847749 B2 JP 5847749B2
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- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Description
図1−1は、第1の実施形態の半導体記憶装置を模式的に示す断面図、図1−2及び図1−3は同要部拡大断面図である。図2−1から図2−8は、同半導体装置の製造工程を示す工程断面図である。本実施形態の半導体装置1は、相対向して配置され、同一サイズの第1及び第2の基板20,30と、第1及び第2の基板20,30間に挟持され、少なくとも一方に電気的に接続された、複数段の半導体チップ11a〜11hのチップ積層体10と、封止樹脂40とを備える。この封止樹脂40は、第1及び第2の基板20,30間、チップ積層体10を構成する半導体チップ11a〜11h間、第1および第2の基板20,30と前記チップ積層体10間を封止しており、この封止樹脂40の外縁は、第1及び第2の基板20,30の外縁を結ぶ線上にあることを特徴とする。
図3は、第2の実施形態の半導体記憶装置を構成する、積層型半導体装置の構成を模式的に示す断面図である。図4−1〜図4−3は、同積層型半導体装置の製造工程を示す工程断面図である。本実施形態の積層型半導体装置2は、ダイシング工程で個片分割する直前つまり図2−6に示した工程までは前記第1の実施形態の積層型半導体装置1と同様に形成する。そして、個片分割に先立ち、チップ積層体10側をフィラー入りのエポキシ樹脂などの第2の封止樹脂40bで金型(図示せず)を用いて成型を行い、封止する。その後に、配線基板である第2の基板30の裏面側にはんだボール35を搭載して、その後に第2の基板30側からブレードB2を用いたブレードダイシングにより、個片のパッケージ(半導体装置)を形成したものである。
Claims (5)
- 樹脂基板を用いた第1の基板上に、1段目の半導体チップを同一平面上に複数配列して接着する工程と、
前記半導体チップ表面または裏面に所望のパターンにパターニングされた感光性接着フィルムを介してそれぞれ少なくとも1段以上の半導体チップの位置合わせを行い、加熱することで、液状樹脂の浸透パスを形成しつつ、部分的に接着し、前記半導体チップ上にそれぞれ少なくとも1段以上の半導体チップを積層する工程と、
前記第1の基板を切断して各積層体に分離する工程と、
前記積層体の表面に形成された電極パッド部が、第2の基板の電極パッド部と符合するように、位置を合わせて、対向させて仮接続する工程と、
前記第2の基板及び積層体全体を、リフローして、電極パッド部間を電気的に接続する工程と、
前記積層体の前記第1の基板側から前記積層体に沿って液状樹脂を供給して、各半導体チップ間及び前記積層体と前記第2の基板間を樹脂封止する工程と、
前記積層体をダイシングブレードで切断して個片化する工程と、
を備えたことを特徴とする、積層型半導体装置の製造方法。 - 第1の基板上に、1段目の半導体チップを同一平面上に複数配列して接着する工程と、
前記半導体チップ上にそれぞれ少なくとも1段以上の半導体チップを積層する工程と、
前記第1の基板を切断して各積層体に分離する工程と、
前記積層体の表面に形成された電極パッド部が、第2の基板の電極パッド部と符合するように、位置を合わせて、対向させて仮接続する工程と、
前記第2の基板及び積層体全体を、リフローして、電極パッド部間を電気的に接続する工程と、
前記積層体の前記第1の基板側から前記積層体に沿って液状樹脂を供給して、各半導体チップ間及び前記積層体と前記第2の基板間を樹脂封止する工程と、
前記樹脂封止された積層体を前記第1の基板及び第2の基板とともにダイシングブレードで切断して個片化する工程と、
を備えたことを特徴とする、積層型半導体装置の製造方法。 - 前記個片化する工程は、
前記第1の基板側からダイシングブレードで切断する工程である
ことを特徴とする請求項2に記載の積層型半導体装置の製造方法。 - 前記個片化する工程に先立ち、
フィラーを含有する封止樹脂を供給して前記積層体の外側を樹脂封止する後封止工程を含み、
前記個片化する工程は、
前記第2の基板側からダイシングブレードで切断して個片化する工程である、
ことを特徴とする請求項2に記載の積層型半導体装置の製造方法。 - 前記第1の基板には樹脂基板を用いる、
ことを特徴とする請求項2から4のいずれか1項に記載の積層型半導体装置の製造方法。
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