JP2011014556A - 半導体装置とその製造方法 - Google Patents
半導体装置とその製造方法 Download PDFInfo
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- JP2011014556A JP2011014556A JP2009154522A JP2009154522A JP2011014556A JP 2011014556 A JP2011014556 A JP 2011014556A JP 2009154522 A JP2009154522 A JP 2009154522A JP 2009154522 A JP2009154522 A JP 2009154522A JP 2011014556 A JP2011014556 A JP 2011014556A
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Abstract
【解決手段】Si、あるいはSi系材料で構成した半導体素子が金属配線上に搭載された半導体装置であって、半導体素子は銀系接合材で金属配線上に搭載され、かつ半導体素子は半導体素子表面に形成したSi系酸化物膜を介して銀系接合材と接合していることを特徴とする。平均粒径が1nm〜50μmの金属酸化物粒子と有機物からなる還元剤とを含む接合材料により、大気雰囲気中において接合を行うことで半導体基体表面に形成した酸化物に対して優れた接合強度が得ることができる。
【選択図】 図1
Description
図1は本発明による半導体パッケージの別の一例を示す。半導体素子11には機能面側に複数の電極パッド12が形成され、さらに電極パッド12が形成された部分を除く領域に保護膜13が施されている。電極パッド12はアルミ又はアルミ合金で形成されている。この電極パッド12と半導体部品搭載用基板15の電極パッド12との接続配線部16とが金ワイヤ17で接続されている。18は半導体素子11を半導体部品搭載用基板15に搭載し、固定するための、還元剤としてミリスチルアルコールを10wt%含有した酸化銀粒子を前駆体とした銀系接合材である。なお、半導体素子11の半導体部品搭載用基板15に搭載する側の面にはメタライズは形成されていない。
12,106,107 電極パッド
13 保護膜
15,120 半導体部品搭載用基板
16 接続配線部
17 金ワイヤ
18 銀系接合材材
100 封止樹脂
102 ボンディングワイヤ
103 配線基板
104 電極
105 はんだボール
108 酸化銀粒子を前駆体とした銀系接合材
121 配線
122 電極部
123 半導体素子を搭載する領域
Claims (2)
- Si、あるいはSi系材料で構成した半導体素子が金属配線上に搭載された半導体装置であって、半導体素子は銀系接合材で金属配線上に搭載され、かつ半導体素子は半導体素子表面に形成したSi系酸化物膜を介して銀系接合材と接合していることを特徴とした半導体装置。
- 半導体素子と前記半導体素子の電気信号を外部に取り出すための配線とを接合した半導体装置の製造方法であって、前記半導体素子がSi、またはSi系で構成され、平均粒径が1nm〜50μmの金属酸化物粒子と有機物からなる還元剤とを含む接合材料により、大気雰囲気下で加熱により前記電極と配線とを接合する工程を有する半導体装置の製造方法。
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