JPWO2019049214A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JPWO2019049214A1 JPWO2019049214A1 JP2018523838A JP2018523838A JPWO2019049214A1 JP WO2019049214 A1 JPWO2019049214 A1 JP WO2019049214A1 JP 2018523838 A JP2018523838 A JP 2018523838A JP 2018523838 A JP2018523838 A JP 2018523838A JP WO2019049214 A1 JPWO2019049214 A1 JP WO2019049214A1
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Abstract
Description
封止部と、
前記封止部内に設けられた電子素子と、
一端の上面に前記封止部内で前記電子素子が載置され、他端が前記封止部から露出している第1のリード端子と、
一端が前記封止部内で前記第1のリード端子の一端に近接して配置され、他端が前記封止部から露出している第2のリード端子と、
前記封止部内に設けられ、一端が前記電子素子の制御電極に電気的に接続され、他端が前記第2のリード端子の前記一端に電気的に接続された第1の接続子と、
前記電子素子の前記制御電極と前記第1の接続子の前記一端との間を接合し且つ導電性を有する第1の導電性接合材と、
前記第1の接続子の前記他端と前記第2のリード端子の前記一端との間を接合し且つ導電性を有する第2の導電性接合材と、
を備え、
前記第1の接続子の前記一端は、下方に突出して前記第1の導電性接合材で前記電子素子の前記制御電極に電気的に接続される突出部を有し、
前記第1の接続子の前記一端の幅は、前記第1の接続子の前記他端の幅よりも幅が狭くなっており、且つ、前記第1の接続子の前記他端の幅は、前記第2のリード端子の前記一端の幅よりも、狭くなっており、
前記第1の接続子の前記一端から前記他端に繋がる第1の側面は、水平方向に延びる直線に平行になっている
ことを特徴とする。
前記第1の接続子の前記第1の側面の反対側で前記一端から前記他端に繋がる第2の側面は、前記第1の接続子の前記他端の幅が前記一端の幅よりも幅が狭くなるように、前記第1の接続子の前記一端と前記他端との間で傾斜している
ことを特徴とする。
一端が前記封止部内で前記第1のリード端子の一端に近接して配置され、他端が前記封止部から露出している第3のリード端子と、
一端が前記電子素子の入出力電極に電気的に接続され、他端が前記第3のリード端子の前記一端に電気的に接続された第2の接続子と、をさらに備え、
前記第1の接続子は、前記第1の側面側において、前記第2の接続子に隣接する
ことを特徴とする。
前記第2のリード端子の一端の上面の高さは、前記電子素子の制御電極の上面の高さよりも、高いことを特徴とする。
前記第1の接続子の前記他端が下方に傾斜していることを特徴とする。
前記第1の導電性接合材および前記第2の導電性接合材は、はんだ材であることを特徴とする。
前記第1の接続子の前記一端の前記突出部は、上方から押圧することにより下方に突出させられて構成されていることを特徴とする。
前記第1の接続子の前記一端の前記突出部の反対側は、凹んでいることを特徴とする。
前記第2の接続子の幅は、前記第1の接続子の幅よりも、広いことを特徴とする。
前記第1の接続子の前記一端の先端は、前記第1のリード端子の前記一端の上面と離間していることを特徴とする。
前記第2のリード端子の前記一端の上面には、前記第2の導電性接合材を堰き止める壁部が設けられている
ことを特徴とする。
前記壁部は、前記第1の接続子の前記他端と接触していることを特徴とする。
前記第2の導電性接合材は、前記第1の接続子の前記他端と前記第2のリード端子の前記一端との間の接合時に表面張力で前記壁部に接触するように形成されている
ことを特徴とする。
前記第2のリード端子の前記一端の上面における前記壁部の高さは、前記第2のリード端子の前記一端の上面における前記第2の導電性接合材の高さよりも、高い
ことを特徴とする。
前記壁部は、
前記第2のリード端子の前記一端が延びる方向に対して、垂直に延在するように前記第2のリード端子の前記一端の前記上面に設けられている
ことを特徴とする。
図5は、図2に示す電子素子とリード端子との間に接続されたゲートクリップ近傍の構成の一例を示す断面図である。また、図6は、図5に示すゲートクリップ(接続子)の構成の一例を示す図である。
この封止部Rは、例えば、エポキシ樹脂等で構成されている。
また、ローサイドのゲート用のリード端子(第4のリード端子)GV2は、一端(インナーリード部)が封止部R内で第3のリード端子TVの一端(インナーリード部)に近接して配置され、他端(アウターリード部)が封止部Rの長手方向fxに沿った他端側から露出している。
さらに、図5、図6に示すように、第1の接続子GC1の一端dの幅Xcは、第1の接続子GC1の他端aの幅Xaよりも幅が狭くなっている。なお、第1の接続子GC1の他端aの幅Xaは、第2のリード端子GV1の一端の幅よりも、狭くなっている。
したがって、第1の接続子(ゲートクリップ)GC1と第1の電極(ゲート電極)GT1とのはんだ接続を所定の位置で確実にして、第1の接続子(ゲートクリップ)GC1の一端dが他の配線部分に電気的に接続されるのを抑制することができる。
R 封止部
MU1 ハイサイドの第1電子素子
MV1 ハイサイドの第1電子素子
MW1 ハイサイドの第1電子素子
MU2 ローサイドの第2電子素子
MV2 ローサイドの第2電子素子
MW2 ローサイドの第2電子素子
MSU 電源用リード端子
MSV 電源用リード端子
MSW 電源用リード端子
MEU 接地用リード端子
MEV 接地用リード端子
MEW 接地用リード端子
TU 入出力用リード端子
TV 入出力用リード端子
TW 入出力用リード端子
GU1 ハイサイドのゲート用のリード端子
GV1 ハイサイドのゲート用のリード端子
GW1 ハイサイドのゲート用のリード端子
GU2 ローサイドのゲート用のリード端子
GV2 ローサイドのゲート用のリード端子
GW2 ローサイドのゲート用のリード端子
GC1 ハイサイドの第1の接続子(ゲートクリップ)
GC2 ローササイドの第3の接続子(ゲートクリップ)
SC1 ハイサイドの第2の接続子(ソースクリップ)
SC2 ローササイドの第4の接続子(ソースクリップ)
Claims (15)
- 封止部と、
前記封止部内に設けられた電子素子と、
一端の上面に前記封止部内で前記電子素子が載置され、他端が前記封止部から露出している第1のリード端子と、
一端が前記封止部内で前記第1のリード端子の一端に近接して配置され、他端が前記封止部から露出している第2のリード端子と、
前記封止部内に設けられ、一端が前記電子素子の制御電極に電気的に接続され、他端が前記第2のリード端子の前記一端に電気的に接続された第1の接続子と、
前記電子素子の前記制御電極と前記第1の接続子の前記一端との間を接合し且つ導電性を有する第1の導電性接合材と、
前記第1の接続子の前記他端と前記第2のリード端子の前記一端との間を接合し且つ導電性を有する第2の導電性接合材と、
を備え、
前記第1の接続子の前記一端は、下方に突出して前記第1の導電性接合材で前記電子素子の前記制御電極に電気的に接続される突出部を有し、
前記第1の接続子の前記一端の幅は、前記第1の接続子の前記他端の幅よりも幅が狭くなっており、且つ、前記第1の接続子の前記他端の幅は、前記第2のリード端子の前記一端の幅よりも、狭くなっており、
前記第1の接続子の前記一端から前記他端に繋がる第1の側面は、水平方向に延びる直線に平行になっている
ことを特徴とする半導体装置。 - 前記第1の接続子の前記第1の側面の反対側で前記一端から前記他端に繋がる第2の側面は、前記第1の接続子の前記他端の幅が前記一端の幅よりも幅が狭くなるように、前記第1の接続子の前記一端と前記他端との間で傾斜している
ことを特徴とする請求項1に記載の半導体装置。 - 一端が前記封止部内で前記第1のリード端子の一端に近接して配置され、他端が前記封止部から露出している第3のリード端子と、
一端が前記電子素子の入出力電極に電気的に接続され、他端が前記第3のリード端子の前記一端に電気的に接続された第2の接続子と、をさらに備え、
前記第1の接続子は、前記第1の側面側において、前記第2の接続子に隣接する
ことを特徴とする請求項2に記載の半導体装置。 - 前記第2のリード端子の一端の上面の高さは、前記電子素子の制御電極の上面の高さよりも、高いことを特徴とする請求項3に記載の半導体装置。
- 前記第1の接続子の前記他端が下方に傾斜していることを特徴とする請求項3に記載の半導体装置。
- 前記第1の導電性接合材および前記第2の導電性接合材は、はんだ材であることを特徴とする請求項1に記載の半導体装置。
- 前記第1の接続子の前記一端の前記突出部は、上方から押圧することにより下方に突出させられて構成されていることを特徴とする請求項2に記載の半導体装置。
- 前記第1の接続子の前記一端の前記突出部の反対側は、凹んでいることを特徴とする請求項2に記載の半導体装置。
- 前記第2の接続子の幅は、前記第1の接続子の幅よりも、広いことを特徴とする請求項3に記載の半導体装置。
- 前記第1の接続子の前記一端の先端は、前記第1のリード端子の前記一端の上面と離間していることを特徴とする請求項1に記載の半導体装置。
- 前記第2のリード端子の前記一端の上面には、前記第2の導電性接合材を堰き止める壁部が設けられている
ことを特徴とする請求項2に記載の半導体装置。 - 前記壁部は、前記第1の接続子の前記他端と接触していることを特徴とする請求項11に記載の半導体装置。
- 前記第2の導電性接合材は、前記第1の接続子の前記他端と前記第2のリード端子の前記一端との間の接合時に表面張力で前記壁部に接触するように形成されている
ことを特徴とする請求項12に記載の半導体装置。 - 前記第2のリード端子の前記一端の上面における前記壁部の高さは、前記第2のリード端子の前記一端の上面における前記第2の導電性接合材の高さよりも、高い
ことを特徴とする請求項12に記載の半導体装置。 - 前記壁部は、
前記第2のリード端子の前記一端が延びる方向に対して、垂直に延在するように前記第2のリード端子の前記一端の前記上面に設けられている
ことを特徴とする請求項12に記載の半導体装置。
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