JP2007250886A - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP2007250886A JP2007250886A JP2006073141A JP2006073141A JP2007250886A JP 2007250886 A JP2007250886 A JP 2007250886A JP 2006073141 A JP2006073141 A JP 2006073141A JP 2006073141 A JP2006073141 A JP 2006073141A JP 2007250886 A JP2007250886 A JP 2007250886A
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- Die Bonding (AREA)
Abstract
【解決手段】半導体ウエハ21の裏面に厚さが25μmを超える接着剤層22とダイシングテープ基材23とを積層する。切り込み深さが接着剤層22に達する第1のブレード25を用いて、半導体ウエハ21を接着剤層22の一部と共に切断する。次いで、切り込み深さがダイシングテープ基材23に達すると共に、第1のブレード25より幅が狭い第2のブレード26を用いて、接着剤層22をダイシングテープ基材23の一部と共に切断する。これら切断工程で接着剤層22と共に個片化して作製した半導体素子を、ダイシングテープ基材23からピックアップして他の半導体素子や回路基材上に接着する。
【選択図】図3
Description
Claims (5)
- 複数の素子領域を有する半導体ウエハの裏面に、厚さが25μmを超える接着剤層とダイシングテープ基材とを順に積層する工程と、
切り込み深さが前記接着剤層に達する第1のブレードを用いて、前記複数の素子領域に応じて前記半導体ウエハを前記接着剤層の一部と共に切断する第1の切断工程と、
切り込み深さが前記ダイシングテープ基材に達すると共に、前記第1のブレードより幅が狭い第2のブレードを用いて、前記接着剤層を前記ダイシングテープ基材の一部と共に切断する第2の切断工程と、
前記第1および第2の切断工程で前記接着剤層と共に前記半導体ウエハを個片化して作製した半導体素子を、前記ダイシングテープ基材からピックアップすると共に、その裏面に形成された前記接着剤層を介して装置構成基材上に接着する工程と
を具備することを特徴とする半導体装置の製造方法。 - 複数の素子領域を有する半導体ウエハの裏面に、厚さが25μmを超える接着剤層とダイシングテープ基材とを順に積層する工程と、
切り込み深さが前記半導体ウエハ内に存在する第1のブレードを用いて、前記複数の素子領域に応じて前記半導体ウエハの一部を切断する第1の切断工程と、
切り込み深さが前記接着剤層に達すると共に、前記第1のブレードより幅が狭い第2のブレードを用いて、前記半導体ウエハを前記接着剤層の一部と共に切断する第2の切断工程と、
切り込み深さが前記ダイシングテープ基材に達すると共に、前記第2のブレードより幅が狭い第3のブレードを用いて、前記接着剤層を前記ダイシングテープ基材の一部と共に切断する第3の切断工程と、
前記第1、第2および第3の切断工程で前記接着剤層と共に前記半導体ウエハを個片化して作製した半導体素子を、前記ダイシングテープ基材からピックアップすると共に、その裏面に形成された前記接着剤層を介して装置構成基材上に接着する工程と
を具備することを特徴とする半導体装置の製造方法。 - 請求項1または請求項2記載の半導体装置の製造方法において、
前記接着剤層は常温弾性率が100MPa以上3000MPa以下の範囲であることを特徴とする半導体装置の製造方法。 - 請求項1または請求項2記載の半導体装置の製造方法において、
前記接着剤層の切断時の弾性率が100MPa以上3000MPa以下の範囲となるように、前記接着剤層を切断時に冷却することを特徴とする半導体装置の製造方法。 - 請求項1ないし請求項4のいずれか1項記載の半導体装置の製造方法において、
さらに、回路基材上に前記装置構成基材として第1の半導体素子を接着する工程と、
前記回路基材の電極部と前記第1の半導体素子の電極パッドとをボンディングワイヤを介して電気的に接続する工程と、
前記ボンディングワイヤの一部を前記接着剤層内に取り込みつつ、前記第1の半導体素子上に第2の半導体素子として前記半導体素子を接着する工程と
を具備することを特徴とする半導体装置の製造方法。
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CN101038891A (zh) | 2007-09-19 |
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