JP7265502B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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Description
(一実施形態)
図2に示すように、樹脂封止体400内に複数の半導体装置1が配置されている。樹脂封止体400のリードフレーム500を樹脂ごと切除することにより、半導体装置1が生成される。
リード2の上面は、5角形形状をしており、半導体素子4の一組の対向する辺と平行な辺120、122と、半導体素子4の他方の組の対向する辺と平行な辺121、123と、を有する。各リード2は、さらに半導体素子4のいずれの辺とも非平行で、例えば45度傾いた辺124を有する。辺123は辺120より短い。
半導体装置1のアイランド3は、Y方向の長さがX方向の長さよりも小さい略ひし形の形状を有する。このため、X方向において、樹脂パッケージ6側面の端部から中点に向かうにつれて、アイランド3と各リード2の辺24との距離が大きくなる。
さらに、半導体素子1では、半導体素子4と樹脂パッケージ6の側面との距離を大きくとることができるため、樹脂パッケージ6切断時に半導体素子4にかかる応力を小さくすることができる。
一実施形態の変形例に係る半導体装置1bは、アイランド3のつり腕部32、34が樹脂パッケージ6の対向する辺の中点より左右逆方向へオフセットして配置される点で一実施形態の変形例に係る半導体装置1と相違する。
Claims (11)
- 矩形状の半導体素子と、
上面に前記半導体素子の裏面が接合される第1端子と、
前記第1端子の周囲に配置される複数の第2端子と、
前記半導体素子の表面と前記複数の第2端子の上面との間に架設される導電線、前記半導体素子、前記第1端子、及び前記複数の第2端子を封止し、第1辺、第2辺、第3辺、及び第4辺を含む矩形状である底面と、それぞれ前記第1辺、前記第2辺、前記第3辺、及び前記第4辺に接する第1側面、第2側面、第3側面、及び第4側面と、を有する内包部であって、前記第1側面と前記第3側面が対向し、前記第2側面と前記第4側面が対向する内包部と、を備える半導体装置であって、
前記複数の第2端子は、前記内包部の四隅に、前記底面から露出して配置され、
前記半導体素子の各辺は、前記第1辺、前記第2辺、前記第3辺、及び前記第4辺と対向し、
前記第1端子の下面における下面形状は、前記底面から露出し、前記第1辺、前記第2辺、前記第3辺、及び前記第4辺のいずれともそれぞれが平行でなく、且つ二組の互いに平行な対向する辺を少なくとも有し、前記第2辺及び前記第4辺が延伸する方向の長さが、前記第1辺及び前記第3辺が延伸する方向の長さより小さい略菱形の形状であり、
前記第1端子の上面形状は、前記下面形状を前記底面に沿って所定幅で延在させた領域に対応し、且つ前記二組の互いに平行な対向する辺に対応する4辺を含む領域を少なくとも有し、当該4辺と異なり且つ前記第1辺に対向する第1の対向する辺と、当該4辺と異なり且つ前記第3辺に対向する第2の対向する辺と、前記第2辺に対向する側から延伸し前記第2側面に露出する第1つり腕部と、前記第4辺に対向する側から延伸し前記第4側面に露出する第2つり腕部とを有し、前記第1の対向する辺は前記第1側面から離間し、前記第2の対向する辺は前記第3側面から離間する、半導体装置。 - 前記半導体素子の各辺と、前記第1辺、前記第2辺、前記第3辺、及び前記第4辺とは平行である、請求項1に記載の半導体装置。
- 前記第1つり腕部は前記第2側面において離間した2か所で露出し、前記第2つり腕部は前記第4側面において離間した2か所で露出する、請求項1又は2に記載の半導体装置。
- 前記第1つり腕部、及び前記第2つり腕部のそれぞれは、前記第2辺及び前記第4辺が延伸する方向において前記第2辺及び前記第4辺のそれぞれの中点から離れた位置で、前記第2側面及び前記第4側面のそれぞれから露出する請求項3に記載の半導体装置。
- 前記底面の平面視において、前記底面の各辺の中点は、前記第1端子の前記第2側面と前記第4側面とで露出した部分に含まれない、請求項1乃至4のいずれか一項に記載の半導体装置。
- 前記第1端子の前記下面は、少なくとも二組の互いに平行な対向する辺を有する形状であり、前記二組の前記対向する辺は、前記第1辺、前記第2辺、前記第3辺、及び前記第4辺のいずれとも平行でない請求項1乃至5のいずれか一項に記載の半導体装置。
- 前記第2端子の下面は五角形であり、前記半導体素子の一組の対向する辺に平行な二辺、前記半導体素子の他の一組の対向する辺に平行な二辺、及び前記第1端子の前記下面の一辺に対向する一辺であって、前記第1端子の前記下面の前記一辺に平行でない一辺を有する請求項6に記載の半導体装置。
- 前記第1辺と平行な方向における前記第2端子の長さは、前記第2辺と平行な方向における前記第2端子の長さよりも長い、請求項1乃至7のいずれか一項に記載の半導体装置。
- 前記第1端子は、前記底面から露出した第1部分と、前記第1部分の周囲に設けられ、前記内包部に覆われ、前記第1部分よりも厚みが小さい第2部分とを有する、請求項1乃至8のいずれか一項に記載の半導体装置。
- 前記矩形状の半導体素子の角は、前記第1端子の前記上面と平行な方向において、前記第1端子の前記上面から突き出している請求項1乃至9のいずれか一項に載の半導体装置。
- 前記第1つり腕部は、前記第2側面において前記第2辺の中心から一方にずれて露出し、前記第2つり腕部は、前記第4側面において前記第4辺の中心よりも前記一方とは反対方向にずれて露出する、請求項1又は2に記載の半導体装置。
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