JP7098045B2 - 半導体装置、および、半導体装置の診断方法 - Google Patents
半導体装置、および、半導体装置の診断方法 Download PDFInfo
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- JP7098045B2 JP7098045B2 JP2021503239A JP2021503239A JP7098045B2 JP 7098045 B2 JP7098045 B2 JP 7098045B2 JP 2021503239 A JP2021503239 A JP 2021503239A JP 2021503239 A JP2021503239 A JP 2021503239A JP 7098045 B2 JP7098045 B2 JP 7098045B2
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Description
以下、本実施の形態に関する半導体装置、および、半導体装置の診断方法について説明する。
図1は、本実施の形態に関する半導体装置(たとえば、パワーモジュール)の構成の例を概略的に示す側面図である。図1においては、封止材9が一部透視されて記載されている。
半導体装置の初期使用時およびメンテナンス時に、端子14と端子15との間の抵抗値を測定する。そして、初期使用時の当該抵抗値とメンテナンス時の当該抵抗値とを比較することによって、抵抗値の変動量を算出する。
本実施の形態に関する半導体装置、および、半導体装置の診断方法について説明する。なお、以下の説明においては、以上に記載された実施の形態で説明された構成要素と同様の構成要素については同じ符号を付して図示し、その詳細な説明については適宜省略するものとする。
図4は、本実施の形態に関する半導体装置の構成の例を概略的に示す側面図である。図4においては、封止材9が一部透視されて記載されている。
半導体装置の初期使用時およびメンテナンス時に、端子14と端子15との間の抵抗値、および、端子14Aと端子15Aとの間の抵抗値をそれぞれ測定する。そして、初期使用時の当該抵抗値とメンテナンス時の当該抵抗値との比較をそれぞれ行うことによって、抵抗値の変動量をそれぞれ算出する。
本実施の形態に関する半導体装置、および、半導体装置の診断方法について説明する。なお、以下の説明においては、以上に記載された実施の形態で説明された構成要素と同様の構成要素については同じ符号を付して図示し、その詳細な説明については適宜省略するものとする。
図7は、本実施の形態に関する半導体装置の構成の例を概略的に示す側面図である。図7においては、封止材9が一部透視されて記載されている。
半導体装置の初期使用時およびメンテナンス時に、補助電極端子6Cと端子14Bとの間の抵抗値を測定する。そして、初期使用時の当該抵抗値とメンテナンス時の当該抵抗値との比較を行うことによって、抵抗値の変動量を算出する。
本実施の形態に関する半導体装置、および、半導体装置の診断方法について説明する。なお、以下の説明においては、以上に記載された実施の形態で説明された構成要素と同様の構成要素については同じ符号を付して図示し、その詳細な説明については適宜省略するものとする。
図10は、本実施の形態に関する半導体装置の構成の例を概略的に示す側面図である。図10においては、封止材9が一部透視されて記載されている。
半導体装置の初期使用時およびメンテナンス時に、端子14Cと端子15Cとの間の抵抗値を測定する。そして、初期使用時の当該抵抗値とメンテナンス時の当該抵抗値との比較を行うことによって、抵抗値の変動量を算出する。
本実施の形態に関する半導体装置、および、半導体装置の診断方法について説明する。なお、以下の説明においては、以上に記載された実施の形態で説明された構成要素と同様の構成要素については同じ符号を付して図示し、その詳細な説明については適宜省略するものとする。
図13は、本実施の形態に関する半導体装置の構成の例を概略的に示す側面図である。図13においては、封止材9が一部透視されて記載されている。
半導体装置の初期使用時およびメンテナンス時に、端子14Dと端子15Dとの間の抵抗値を測定する。そして、初期使用時の当該抵抗値とメンテナンス時の当該抵抗値とを比較することによって、抵抗値の変動量を算出する。
本実施の形態に関する半導体装置、および、半導体装置の診断方法について説明する。なお、以下の説明においては、以上に記載された実施の形態で説明された構成要素と同様の構成要素については同じ符号を付して図示し、その詳細な説明については適宜省略するものとする。
図16は、本実施の形態に関する半導体装置の構成の例を概略的に示す側面図である。図16においては、封止材9が一部透視されて記載されている。
半導体装置の初期使用時およびメンテナンス時に、端子14Eと端子15Eとの間の抵抗値を測定する。そして、初期使用時の当該抵抗値とメンテナンス時の当該抵抗値とを比較することによって、抵抗値の変動量を算出する。
次に、以上に記載された実施の形態によって生じる効果の例を示す。なお、以下の説明においては、以上に記載された実施の形態に例が示された具体的な構成に基づいて当該効果が記載されるが、同様の効果が生じる範囲で、本願明細書に例が示される他の具体的な構成と置き換えられてもよい。
以上に記載された実施の形態では、それぞれの構成要素の材質、材料、寸法、形状、相対的配置関係または実施の条件などについても記載する場合があるが、これらはすべての局面においてひとつの例であって、本願明細書に記載されたものに限られることはないものとする。
Claims (16)
- ケースと、
前記ケースの内部における半導体チップと、
前記半導体チップの上面に接合される金属ワイヤーと、
前記ケースの内部における少なくとも1つの試験ピースと、
前記ケースの外部に設けられ、かつ、前記試験ピースに接続される一対の端子とを備え、
前記試験ピースは、前記ケースの内部において前記金属ワイヤーから離間し、
前記半導体チップの下面に接合される電極パターンをさらに備え、
一対の前記端子のうちの少なくとも一方は、前記電極パターンにも接続される、
半導体装置。 - ケースと、
前記ケースの内部における半導体チップと、
前記半導体チップの上面に接合される金属ワイヤーと、
前記ケースの内部における少なくとも1つの試験ピースと、
前記ケースの外部に設けられ、かつ、前記試験ピースに接続される一対の端子とを備え、
前記試験ピースは、前記ケースの内部において前記金属ワイヤーから離間し、
前記試験ピースは、前記半導体チップの下面に接合される電極パターンの一部である、
半導体装置。 - ケースと、
前記ケースの内部における半導体チップと、
前記半導体チップの上面に接合される金属ワイヤーと、
前記ケースの内部における少なくとも1つの試験ピースと、
前記ケースの外部に設けられ、かつ、前記試験ピースに接続される一対の端子とを備え、
前記試験ピースは、前記ケースの内部において前記金属ワイヤーから離間し、
前記試験ピースは、互いに絶縁される複数の金属片から構成される、
半導体装置。 - 複数の前記金属片のうちの少なくとも2つは、互いに異なる金属で構成される、
請求項3に記載の半導体装置。 - 複数の前記金属片は、一対の前記端子に対して直列に配列される、
請求項3または請求項4に記載の半導体装置。 - 互いに異なる金属で構成される前記金属片同士が、交互に直列に配列される、
請求項5に記載の半導体装置。 - 複数の前記金属片は、一対の前記端子に対して並列に配列される、
請求項3から請求項6のうちのいずれか1項に記載の半導体装置。 - 互いに異なる金属で構成される前記金属片同士が、並列に配列される、
請求項7に記載の半導体装置。 - ケースと、
前記ケースの内部における半導体チップと、
前記半導体チップの上面に接合される金属ワイヤーと、
前記ケースの内部における少なくとも1つの試験ピースと、
前記ケースの外部に設けられ、かつ、前記試験ピースに接続される一対の端子とを備え、
前記試験ピースは、前記ケースの内部において前記金属ワイヤーから離間し、
複数の前記試験ピースを備え、
複数の前記試験ピースは、互いに離間し、
複数の前記試験ピースは、異なる金属で構成される、
半導体装置。 - 前記半導体チップの下面に接合される電極パターンをさらに備える、
請求項1から請求項9のうちのいずれか1項に記載の半導体装置。 - 複数の前記試験ピースを備え、
複数の前記試験ピースは、互いに離間する、
請求項1から請求項10のうちのいずれか1項に記載の半導体装置。 - 複数の前記試験ピースは、同種の金属で構成される、
請求項11に記載の半導体装置。 - ケースの内部における少なくとも1つの試験ピースを用いて、半導体装置の劣化診断を行う診断方法であり、
前記試験ピースは、前記ケースの内部において半導体チップの上面に接合される金属ワイヤーから離間し、
前記ケースの外部に設けられ、かつ、前記試験ピースに接続される一対の端子を用いて、前記半導体チップを含む前記半導体装置の劣化診断を行い、
一対の前記端子のうちの少なくとも一方は、前記半導体チップの下面に接合される電極パターンにも接続される、
半導体装置の診断方法。 - ケースの内部における少なくとも1つの試験ピースを用いて、半導体装置の劣化診断を行う診断方法であり、
前記試験ピースは、前記ケースの内部において半導体チップの上面に接合される金属ワイヤーから離間し、
前記ケースの外部に設けられ、かつ、前記試験ピースに接続される一対の端子を用いて、前記半導体チップを含む前記半導体装置の劣化診断を行い、
前記試験ピースは、前記半導体チップの下面に接合される電極パターンの一部である、
半導体装置の診断方法。 - ケースの内部における少なくとも1つの試験ピースを用いて、半導体装置の劣化診断を行う診断方法であり、
前記試験ピースは、前記ケースの内部において半導体チップの上面に接合される金属ワイヤーから離間し、
前記ケースの外部に設けられ、かつ、前記試験ピースに接続される一対の端子を用いて、前記半導体チップを含む前記半導体装置の劣化診断を行い、
前記試験ピースは、互いに絶縁される複数の金属片から構成される、
半導体装置の診断方法。 - ケースの内部における複数の試験ピースを用いて、半導体装置の劣化診断を行う診断方法であり、
複数の前記試験ピースは、前記ケースの内部において半導体チップの上面に接合される金属ワイヤーから離間し、
前記ケースの外部に設けられ、かつ、前記試験ピースに接続される一対の端子を用いて、前記半導体チップを含む前記半導体装置の劣化診断を行い、
複数の前記試験ピースは、互いに離間し、
複数の前記試験ピースは、異なる金属で構成される、
半導体装置の診断方法。
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WO2016031020A1 (ja) | 2014-08-28 | 2016-03-03 | 三菱電機株式会社 | 半導体装置 |
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