JP6604184B2 - 半導体モジュール - Google Patents
半導体モジュール Download PDFInfo
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- JP6604184B2 JP6604184B2 JP2015246022A JP2015246022A JP6604184B2 JP 6604184 B2 JP6604184 B2 JP 6604184B2 JP 2015246022 A JP2015246022 A JP 2015246022A JP 2015246022 A JP2015246022 A JP 2015246022A JP 6604184 B2 JP6604184 B2 JP 6604184B2
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Description
本発明は、このような点を鑑みてなされたものであり、容易に複数接続可能である半導体モジュールを提供することを目的とする。
本発明においては、絶縁板と、前記絶縁板のおもて面に形成された金属板とを有する絶縁基板と、前記金属板上に裏面が固定され、おもて面に主電極を有する半導体素子と、前記半導体素子の前記主電極に電気的に接続される配線基板と、前記配線基板を経由して、前記主電極に電気的に接続される主端子と、前記主端子が突出し、前記絶縁基板と、前記半導体素子と、前記配線基板と、を封止して、前記主端子近傍に開口穴を有する封止部材と、前記開口穴に配置されたナットと、前記主端子が電気的に接続され、前記ナットと対向する挿入孔を有し、前記主端子との接続箇所に段差部が形成されている接続端子と、を有する半導体モジュールを提供する。
本発明においては、絶縁板と、前記絶縁板のおもて面に形成された金属板とを有する絶縁基板と、前記金属板上に裏面が固定され、おもて面に主電極を有する半導体素子と、前記半導体素子の前記主電極に電気的に接続される配線基板と、前記配線基板を経由して、前記主電極に電気的に接続される主端子と、前記主端子が突出し、前記絶縁基板と、前記半導体素子と、前記配線基板と、を封止して、前記主端子近傍に開口穴を有する封止部材と、前記開口穴に配置されたナットと、前記主端子が電気的に接続され、前記ナットと対向する挿入孔を有し、前記ナットの高さに応じて、前記挿入孔が形成されている箇所の高さが変化する接続端子と、を有する半導体モジュールを提供する。
なお、実施の形態は特許請求の範囲にかかる発明を限定するものではない。また、実施の形態の中で説明されている特徴の組み合わせのすべてが発明の解決手段に必須であるとは限らない。
第1の実施の形態の半導体モジュールについて、図1及び図2を用いて説明する。
図1は、第1の実施の形態の半導体モジュールを示す図である。
また、図2は、第1の実施の形態の半導体モジュールにより構成される回路構成を示す等価回路図である。
絶縁基板103は、伝熱性の良いアルミナ等のセラミックスで構成された絶縁板101と、絶縁板101の表裏面には導体層を構成する金属板102a,102bが貼り付けられている。おもて面側の導体層(金属板102a)には、導体層上に配置された複数のパワーデバイスの間を接続するための所定の回路パターンが形成されている。
図3は、第1の実施の形態の半導体モジュール(バスバー端子付き)を示す図である。
図4は、第1の実施の形態の2つの半導体モジュールを連結させた場合を示す図である。
また、図4において、半導体モジュール100は、図中左側を半導体モジュール100a、図中右側を半導体モジュール100bとする。但し、半導体モジュール100a,100bの構成は、半導体モジュール100と同じ構成を成している。
第2の実施の形態では、半導体モジュール100に配置されるナットの高さが第1の実施の形態と異なる場合について図5を用いて説明する。
なお、図5は、第2の実施の形態の半導体モジュールに対して図3の一点鎖線C−Cでの断面に相当する図である。
101 絶縁板
102a,102b 金属板
103 絶縁基板
104,114 半導体素子
105a,105b,115a,115b はんだ
121 配線基板
122,123 導電ポスト
125,126,127 主端子
128 制御端子
129 エミッタ信号端子
130 封止樹脂
131,132,133 ナット収納部
Claims (4)
- 絶縁板と、前記絶縁板のおもて面に形成された金属板とを有する絶縁基板と、
前記金属板上に裏面が固定され、おもて面に主電極を有する半導体素子と、
前記半導体素子の前記主電極に電気的に接続される配線基板と、
前記配線基板を経由して、前記主電極に電気的に接続される主端子と、
前記主端子が突出し、前記絶縁基板と、前記半導体素子と、前記配線基板と、を封止して、前記主端子近傍に開口穴及び前記開口穴に対応する箇所に凸部を有する封止部材と、
前記開口穴に配置されたナットと、
前記主端子が電気的に接続され、前記ナットと対向する挿入孔を有し、前記凸部に支持されている接続端子と、
を有する半導体モジュール。 - 絶縁板と、前記絶縁板のおもて面に形成された金属板とを有する絶縁基板と、
前記金属板上に裏面が固定され、おもて面に主電極を有する半導体素子と、
前記半導体素子の前記主電極に電気的に接続される配線基板と、
前記配線基板を経由して、前記主電極に電気的に接続される主端子と、
前記主端子が突出し、前記絶縁基板と、前記半導体素子と、前記配線基板と、を封止して、前記主端子近傍に開口穴を有する封止部材と、
前記開口穴に配置されたナットと、
前記主端子が電気的に接続され、前記ナットと対向する挿入孔を有し、前記主端子との接続箇所に段差部が形成されている接続端子と、
を有する半導体モジュール。 - 絶縁板と、前記絶縁板のおもて面に形成された金属板とを有する絶縁基板と、
前記金属板上に裏面が固定され、おもて面に主電極を有する半導体素子と、
前記半導体素子の前記主電極に電気的に接続される配線基板と、
前記配線基板を経由して、前記主電極に電気的に接続される主端子と、
前記主端子が突出し、前記絶縁基板と、前記半導体素子と、前記配線基板と、を封止して、前記主端子近傍に開口穴を有する封止部材と、
前記開口穴に配置されたナットと、
前記主端子が電気的に接続され、前記ナットと対向する挿入孔を有し、前記ナットの高さに応じて、前記挿入孔が形成されている箇所の高さが変化する接続端子と、
を有する半導体モジュール。 - 前記ナットと、前記挿入孔とが位置合わせされている、
請求項1乃至3のいずれかに記載の半導体モジュール。
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