JP7451905B2 - 半導体装置及び半導体装置の製造方法 - Google Patents
半導体装置及び半導体装置の製造方法 Download PDFInfo
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- JP7451905B2 JP7451905B2 JP2019160393A JP2019160393A JP7451905B2 JP 7451905 B2 JP7451905 B2 JP 7451905B2 JP 2019160393 A JP2019160393 A JP 2019160393A JP 2019160393 A JP2019160393 A JP 2019160393A JP 7451905 B2 JP7451905 B2 JP 7451905B2
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- insertion hole
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Description
また、このような半導体装置を製造する半導体装置の製造方法が提供される。
第1の実施の形態の半導体装置について、図1~図4を用いて説明する。図1は、第1の実施の形態の半導体装置の断面図である。また、図2は、第1の実施の形態のセラミック回路基板を説明するための図であり、図3は、第1の実施の形態のコンタクト部品を説明するための図であり、図4は、第1の実施の形態の外部接続端子を説明するための図である。なお、図2(A)は、セラミック回路基板14の平面図、図2(B)は、図2(A)における一点鎖線X-Xにおける断面図をそれぞれ表している。図3(A)は、コンタクト部品17の平面図、図3(B)は、図3(A)における一点鎖線X-Xにおける断面図をそれぞれ表している。図4(A)は、外部接続端子19の正面図、図4(B)は、図4(A)における一点鎖線X-Xにおける断面図をそれぞれ表している。
[ステップS11] セラミック回路基板14の導電板13の所定位置にはんだ16を介してコンタクト部品17を接合する。また、この際、導電板13の所定位置にはんだ16を介して半導体チップ15を接合する。なお、はんだ16は、例えば、錫-銀-銅からなる合金、錫-亜鉛-ビスマスからなる合金、錫-銅からなる合金、錫-銀-インジウム-ビスマスからなる合金のうち少なくともいずれかの合金を主成分とする鉛フリーはんだにより構成される。さらに、ニッケル、ゲルマニウム、コバルトまたはシリコン等の添加物が含まれてもよい。
第2の実施の形態では、上蓋板に形成される挿通孔が第1の実施の形態とは異なる場合について、図11を用いて説明する。図11は、第2の実施の形態の半導体装置の断面図である。なお、第2の実施の形態の半導体装置10aは、外装ケース30の上蓋板32、外部接続端子19の案内部19dの取り付け位置以外は第1の実施の形態の半導体装置10と同様の構成を成しており、それらの説明については省略する。
第3の実施の形態では、外部接続端子29に案内部19dが形成されていない点、上蓋板42の挿通孔42aに傾斜面42d1を形成している点が第1の実施の形態と異なっている。この場合について、図14を用いて説明する。図14は、第3の実施の形態の半導体装置の断面図である。なお、第3の実施の形態の半導体装置10bは、外装ケース40の上蓋板42及び外部接続端子29以外は第1の実施の形態の半導体装置10と同様の構成を成しており、それらの説明については省略する。
11 絶縁板
12 放熱板
13 導電板
14 セラミック回路基板
15 半導体チップ
16 はんだ
17 コンタクト部品
17a,19a 胴体部
17b 貫通孔
17b1,17b2 開口端部
17c1,17c2 フランジ
18 ボンディングワイヤ
19,29 外部接続端子
19a1 側面
19b,19c 先端部
19d,29d,39d 案内部
19d1,29d1,32d1,39d1,42d1 傾斜面
19d2 外面
20,30,40 外装ケース
21 側壁
22,32,42 上蓋板
22a,32a,42a 挿通孔
22b,32b,42b 入口
22c,32c,42c 出口
22d,32d,42d 内壁面
50 プリント回路基板
51 嵌合孔
Claims (25)
- 半導体チップと、
前記半導体チップがおもて面に設けられた導電板と前記導電板がおもて面に形成された絶縁板とを有する基板と、
前記導電板上に接合部材を介して設けられた筒状のコンタクト部品と、
前記コンタクト部品に下端部が嵌合された、棒状の外部接続端子と、
前記基板の主面に対向する裏面の入口と前記裏面の反対側のおもて面の、前記入口に対向する出口とを貫通する挿通孔を有し、前記外部接続端子が前記挿通孔に挿通された、平板状の上蓋板と、
を有し、
前記外部接続端子の側面の前記挿通孔に重なる交差領域または前記挿通孔の内壁面の少なくともいずれか一方に、前記入口から前記出口に向けて前記外部接続端子の中心側に傾斜した傾斜面を備え、
前記傾斜面を備える案内部が前記交差領域に設けられており、
前記上蓋板の前記挿通孔に挿通された前記外部接続端子と前記挿通孔との摩擦力は、前記コンタクト部品の前記外部接続端子に対する嵌合力よりも小さい、
半導体装置。 - 前記案内部は、前記傾斜面を備えるくさび型状であって、前記外部接続端子の前記交差領域の周囲に沿って複数設けられている、
請求項1に記載の半導体装置。 - 前記案内部は、前記外部接続端子の前記交差領域の周囲を取り囲み、側面視で円形状または楕円形状の樹脂により構成され、前記傾斜面を外面の一部に備える、
請求項1に記載の半導体装置。 - 前記案内部は、側面視で半リング状の弾性部材により構成され、前記傾斜面を外面の一部に備える、
請求項1に記載の半導体装置。 - 前記傾斜面が前記交差領域及び前記挿通孔の前記内壁面にそれぞれ設けられ、
前記交差領域の前記傾斜面と前記内壁面の前記傾斜面とが重なっている、
請求項1に記載の半導体装置。 - 前記傾斜面が前記挿通孔の前記内壁面に設けられており、
前記挿通孔は側面視で前記入口から前記出口に向けて縮径している、
請求項1に記載の半導体装置。 - 半導体チップと、導電板と前記導電板がおもて面に形成された絶縁板とを有する基板と、筒状のコンタクト部品と、棒状の外部接続端子と、裏面の入口と前記裏面の反対側のおもて面の、前記入口に対向する出口とを貫通する挿通孔を備える、平板状の上蓋板と、を用意する工程と、
前記基板の主面の前記導電板上に前記半導体チップを接合し、前記導電板上に接合部材を介して前記コンタクト部品を接合する接合工程と、
前記コンタクト部品に前記基板の主面側から前記外部接続端子の下端部を嵌合する嵌合工程と、
前記基板の主面に前記上蓋板の前記裏面を対向させて、前記基板の主面側から前記上蓋板を被せつつ、前記上蓋板の前記入口から前記出口に前記外部接続端子を挿通して、前記上蓋板を取り付ける取付工程と、
を有し、
前記外部接続端子の側面の前記挿通孔に重なる交差領域または前記挿通孔の内壁面の少なくともいずれか一方に、前記外部接続端子の前記挿通孔に対する挿通方向に対して前記外部接続端子側に傾斜した傾斜面を備え、
前記傾斜面を備える案内部が前記交差領域に設けられており、
前記上蓋板の前記挿通孔に挿通された前記外部接続端子と前記挿通孔との摩擦力は、前記コンタクト部品の前記外部接続端子に対する嵌合力よりも小さい、
半導体装置の製造方法。 - 前記取付工程では、前記外部接続端子は前記傾斜面に沿って前記入口から前記出口に案内されて前記挿通孔を挿通する、
請求項7に記載の半導体装置の製造方法。 - 前記傾斜面が前記交差領域及び前記挿通孔の前記内壁面にそれぞれ設けられ、
前記取付工程では、前記交差領域の前記傾斜面に、前記内壁面の前記傾斜面を重ねて、前記上蓋板を前記基板に対して押圧して、前記上蓋板を取り付ける、
請求項7または8に記載の半導体装置の製造方法。 - 半導体チップと、
前記半導体チップがおもて面に設けられた導電板と前記導電板がおもて面に形成された絶縁板とを有する基板と、
前記導電板上に接合部材を介して設けられた筒状のコンタクト部品と、
前記コンタクト部品に下端部が嵌合された、棒状の外部接続端子と、
前記基板の主面に対向する裏面の入口と前記裏面の反対側のおもて面の、前記入口に対向する出口とを貫通する挿通孔を有し、前記外部接続端子が前記挿通孔に挿通された、平板状の上蓋板と、
を有し、
前記外部接続端子の側面の前記挿通孔に重なる交差領域または前記挿通孔の内壁面の少なくともいずれか一方に、前記入口から前記出口に向けて前記外部接続端子の中心側に傾斜した傾斜面を備え、
前記上蓋板の前記挿通孔に挿通された前記外部接続端子と前記挿通孔との摩擦力は、前記コンタクト部品の前記外部接続端子に対する嵌合力よりも小さい、
半導体装置。 - 前記傾斜面を備える案内部が前記交差領域に設けられており、
前記案内部は、前記傾斜面を備えるくさび型状であって、前記外部接続端子の前記交差領域の周囲に沿って複数設けられている、
請求項10に記載の半導体装置。 - 前記傾斜面を備える案内部が前記交差領域に設けられており、
前記案内部は、前記外部接続端子の前記交差領域の周囲を取り囲み、側面視で円形状または楕円形状の樹脂により構成され、前記傾斜面を外面の一部に備える、
請求項10に記載の半導体装置。 - 前記傾斜面を備える案内部が前記交差領域に設けられており、
前記案内部は、側面視で半リング状の弾性部材により構成され、前記傾斜面を外面の一部に備える、
請求項10に記載の半導体装置。 - 前記傾斜面が前記交差領域及び前記挿通孔の前記内壁面にそれぞれ設けられ、
前記交差領域の前記傾斜面と前記内壁面の前記傾斜面とが重なっている、
請求項10に記載の半導体装置。 - 前記傾斜面が前記挿通孔の前記内壁面に設けられており、
前記挿通孔は側面視で前記入口から前記出口に向けて縮径している、
請求項10に記載の半導体装置。 - 半導体チップと、導電板と前記導電板がおもて面に形成された絶縁板とを有する基板と、筒状のコンタクト部品と、棒状の外部接続端子と、裏面の入口と前記裏面の反対側のおもて面の、前記入口に対向する出口とを貫通する挿通孔を備える、平板状の上蓋板と、を用意する工程と、
前記基板の主面の前記導電板上に前記半導体チップを接合し、前記導電板上に接合部材を介して前記コンタクト部品を接合する接合工程と、
前記コンタクト部品に前記基板の主面側から前記外部接続端子の下端部を嵌合する嵌合工程と、
前記基板の主面に前記上蓋板の前記裏面を対向させて、前記基板の主面側から前記上蓋板を被せつつ、前記上蓋板の前記入口から前記出口に前記外部接続端子を挿通して、前記上蓋板を取り付ける取付工程と、
を有し、
前記外部接続端子の側面の前記挿通孔に重なる交差領域または前記挿通孔の内壁面の少なくともいずれか一方に、前記外部接続端子の前記挿通孔に対する挿通方向に対して前記外部接続端子側に傾斜した傾斜面を備え、
前記上蓋板の前記挿通孔に挿通された前記外部接続端子と前記挿通孔との摩擦力は、前記コンタクト部品の前記外部接続端子に対する嵌合力よりも小さい、
半導体装置の製造方法。 - 前記取付工程では、前記外部接続端子は前記傾斜面に沿って前記入口から前記出口に案内されて前記挿通孔を挿通する、
請求項16に記載の半導体装置の製造方法。 - 前記傾斜面が前記交差領域及び前記挿通孔の前記内壁面にそれぞれ設けられ、
前記取付工程では、前記交差領域の前記傾斜面に、前記内壁面の前記傾斜面を重ねて、前記上蓋板を前記基板に対して押圧して、前記上蓋板を取り付ける、
請求項16または17に記載の半導体装置の製造方法。 - 半導体チップと、
前記半導体チップがおもて面に設けられた導電板と前記導電板がおもて面に形成された絶縁板とを有する基板と、
前記導電板上に接合部材を介して設けられた筒状のコンタクト部品と、
四方が側面で構成された角柱状を成し、前記コンタクト部品に下端部が嵌合された外部接続端子と、
前記基板の主面に対向する裏面の入口と前記裏面の反対側のおもて面の、前記入口に対向する出口とを貫通する挿通孔を有し、前記外部接続端子が前記挿通孔に挿通された、平板状の上蓋板と、
を有し、
前記外部接続端子の前記側面の前記挿通孔に重なる交差領域または前記挿通孔の内壁面の少なくともいずれか一方に、前記入口から前記出口に向けて前記外部接続端子の中心側に傾斜した傾斜面を備え、前記交差領域に前記傾斜面を備える案内部が設けられ、前記案内部は、前記傾斜面を備えるくさび型状であって、前記外部接続端子の前記交差領域の周囲に沿って複数設けられている、
半導体装置。 - 前記上蓋板の前記挿通孔に挿通された前記外部接続端子と前記挿通孔との摩擦力は、前記コンタクト部品の前記外部接続端子に対する嵌合力よりも小さい、
請求項19に記載の半導体装置。 - 前記傾斜面を備える前記案内部が前記交差領域に、前記傾斜面が前記挿通孔の前記内壁面にそれぞれ設けられ、
前記交差領域の前記案内部の前記傾斜面と前記内壁面の前記傾斜面とが重なっている、
請求項19に記載の半導体装置。 - 前記傾斜面が前記挿通孔の前記内壁面に設けられており、
前記挿通孔は側面視で前記入口から前記出口に向けて縮径している、
請求項19に記載の半導体装置。 - 半導体チップと、導電板と前記導電板がおもて面に形成された絶縁板とを有する基板と、筒状のコンタクト部品と、四方が側面で構成された角柱状を成す外部接続端子と、裏面の入口と前記裏面の反対側のおもて面の、前記入口に対向する出口とを貫通する挿通孔を備える、平板状の上蓋板と、を用意する工程と、
前記基板の主面の前記導電板上に前記半導体チップを接合し、前記導電板上に接合部材を介して前記コンタクト部品を接合する接合工程と、
前記コンタクト部品に前記基板の主面側から前記外部接続端子の下端部を嵌合する嵌合工程と、
前記基板の主面に前記上蓋板の前記裏面を対向させて、前記基板の主面側から前記上蓋板を被せつつ、前記上蓋板の前記入口から前記出口に前記外部接続端子を挿通して、前記上蓋板を取り付ける取付工程と、
を有し、
前記外部接続端子の前記側面の前記挿通孔に重なる交差領域または前記挿通孔の内壁面の少なくともいずれか一方に、前記外部接続端子の前記挿通孔に対する挿通方向に対して前記外部接続端子側に傾斜した傾斜面を備え、前記交差領域に前記傾斜面を備える案内部が設けられ、前記案内部は、前記傾斜面を備えるくさび型状であって、前記外部接続端子の前記交差領域の周囲に沿って複数設けられている、
半導体装置の製造方法。 - 前記取付工程では、前記外部接続端子は前記傾斜面に沿って前記入口から前記出口に案内されて前記挿通孔を挿通する、
請求項23に記載の半導体装置の製造方法。 - 前記傾斜面が前記交差領域及び前記挿通孔の前記内壁面にそれぞれ設けられ、
前記取付工程では、前記交差領域の前記傾斜面に、前記内壁面の前記傾斜面を重ねて、前記上蓋板を前記基板に対して押圧して、前記上蓋板を取り付ける、
請求項23または24に記載の半導体装置の製造方法。
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JP2010050494A (ja) | 2009-12-03 | 2010-03-04 | Mitsubishi Electric Corp | パワーモジュールの製造方法 |
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