JP2010267789A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP2010267789A JP2010267789A JP2009117689A JP2009117689A JP2010267789A JP 2010267789 A JP2010267789 A JP 2010267789A JP 2009117689 A JP2009117689 A JP 2009117689A JP 2009117689 A JP2009117689 A JP 2009117689A JP 2010267789 A JP2010267789 A JP 2010267789A
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- lead
- semiconductor
- sealing body
- metal base
- semiconductor chip
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- H01L2924/30107—Inductance
Abstract
【解決手段】ダイパッド部(TAB1)の上面には、IGBTが形成された半導体チップ5Aとダイオードチップ8Aとが搭載されている。半導体チップ5Aのエミッタパッド6およびダイオードチップ8Aのアノードパッド9は、Alワイヤ10を介してリード3に接続されている。リード3の一端部は、エミッタパッド6とリード3を接続するAlワイヤ10の長さを短くするために、ダイパッド部(TAB1)の上面よりも上方に配置されている。
【選択図】図9
Description
前記封止体によって少なくとも一部が覆われ、かつそれぞれが第1電極を構成する第1および第2金属ベース板と、
下面に第1電極を有すると共に、上面に第2電極パッドと制御電極パッドとを有し、前記下面が導電性接着剤を介して前記第1金属ベース板の上面に固定された第1半導体チップと、
下面に第1電極を有すると共に、上面に第2電極パッドと制御電極パッドとを有し、前記下面が導電性接着剤を介して前記第2金属ベース板の上面に固定された第2半導体チップと、
それぞれの一端が前記封止体によって覆われ、他端が前記封止体の一側面から突出する第1および第2リードと、
前記第1半導体チップの前記第2電極パッドと前記第1リードの前記一端とを電気的に接続する第1導電材料と、
前記第2半導体チップの前記第2電極パッドと前記第2リードの前記一端とを電気的に接続する第2導電材料と、
を有し、
前記第1リードの前記一端は、前記第1金属ベース板の上面よりも上方に位置し、
前記第2リードの前記一端は、前記第2金属ベース板の上面よりも上方に位置しているものである。
本実施の形態では、モータ制御用のインバータ回路に用いられるスイッチモジュールに適用した半導体装置について説明する。
同様の理由により、リード3(G2)の一端部もダイパッド部(TAB2)の上面よりも上方に配置されているので、半導体チップ5Bの周囲に導電性接着剤4が多く流れ出た場合でもAlワイヤ10との短絡を防止することができる。
図24は、本実施の形態の半導体パッケージの外観を示す平面図、図25は、半導体パッケージの裏面(放熱板取り付け面)を示す平面図、図26は、半導体パッケージの側面図、図27は、半導体パッケージの内部構造を示す平面図、図28は、図27のE−E線に沿った半導体パッケージの断面図である。
2A、2B 封止体
3 リード
4 導電性接着剤
5A、5B、5C 半導体チップ
6 エミッタパッド
7 ゲートパッド
8A、8B ダイオードチップ
9 アノードパッド
10、11 Alワイヤ
12 貫通孔
13、14 長溝
15 薄肉部
16 タイバー
17 フレーム
18、19 貫通孔
20 配線基板
21 放熱板
22 ネジ
23 絶縁板
24 タイバー
25 フレーム
26 モールド樹脂
27 ポッティング樹脂
28 Alリボン
29 Cuクリップ
30 p+型シリコン基板
31 n+型バッファー層
32 n−型エピタキシャル層
33 p+型拡散層
34 n+型拡散層
35 ゲート絶縁膜
36 ゲート電極
37 コレクタ電極
38 エミッタ電極
39 表面保護膜
40 n+型シリコン基板
41 n−型エピタキシャル層
42 p+型拡散層
43 アノード電極
44 カソード電極
45 表面保護膜
50 n+型シリコン基板
51 n−型エピタキシャル層
52 p+型拡散層
53 n+型拡散層
54 ゲート電極
55 ソース電極
56 ドレイン電極
57 表面保護膜
LF1、LF2 リードフレーム
TAB1、TAB2、TAB3、TAB4 ダイパッド部(金属ベース板)
Claims (13)
- 絶縁性樹脂からなる封止体と、
前記封止体によって少なくとも一部が覆われ、かつそれぞれが第1電極を構成する第1および第2金属ベース板と、
下面に第1電極を有すると共に、上面に第2電極パッドと制御電極パッドとを有し、前記下面が導電性接着剤を介して前記第1金属ベース板の上面に固定された第1半導体チップと、
下面に第1電極を有すると共に、上面に第2電極パッドと制御電極パッドとを有し、前記下面が導電性接着剤を介して前記第2金属ベース板の上面に固定された第2半導体チップと、
それぞれの一端が前記封止体によって覆われ、他端が前記封止体の一側面から突出する第1および第2リードと、
前記第1半導体チップの前記第2電極パッドと前記第1リードの前記一端とを電気的に接続する第1導電材料と、
前記第2半導体チップの前記第2電極パッドと前記第2リードの前記一端とを電気的に接続する第2導電材料と、
を有し、
前記第1リードの前記一端は、前記第1金属ベース板の上面よりも上方に位置し、
前記第2リードの前記一端は、前記第2金属ベース板の上面よりも上方に位置していることを特徴とする半導体装置。 - それぞれの一端が前記封止体によって覆われ、他端が前記封止体の一側面から突出する第3および第4リードと、
前記第1半導体チップの前記制御電極パッドと前記第3リードの前記一端とを電気的に接続する第3導電材料と、
前記第2半導体チップの前記制御電極パッドと前記第4リードの前記一端とを電気的に接続する第4導電材料と、
をさらに有することを特徴とする請求項1記載の半導体装置。 - 前記第1、第2、第3および第4導電材料は、金属ワイヤからなり、
前記第1および第2導電材料の径は、前記第3および第4導電材料の径よりも大きいことを特徴とする請求項2記載の半導体装置。 - 前記金属ワイヤは、Alワイヤであることを特徴とする請求項3記載の半導体装置。
- 前記第1および第2金属ベース板のそれぞれの下面は、前記封止体の下面から露出していることを特徴とする請求項4記載の半導体装置。
- 前記封止体の一部には、前記封止体の上下面を貫通する貫通孔が設けられており、前記貫通孔の周囲の前記第1および第2金属ベース板には、樹脂固定用の長溝が設けられていることを特徴とする請求項5記載の半導体装置。
- 前記第1および第2金属ベース板のそれぞれの端部には、前記第1および第2金属ベース板の他の領域に比べて厚さの薄い薄肉部が設けられていることを特徴とする請求項6記載の半導体装置。
- 前記第1および第2半導体チップには、IGBTが形成されていることを特徴とする請求項7記載の半導体装置。
- 絶縁性樹脂からなる封止体と、
前記封止体によって少なくとも一部が覆われ、かつそれぞれが第1電極を構成する第1および第2金属ベース板と、
下面に第1電極を有すると共に、上面に第2電極パッドと制御電極パッドとを有し、前記下面が導電性接着剤を介して前記第1金属ベース板の上面に固定された第1半導体チップと、
下面に第1電極を有すると共に、上面に第2電極パッドと制御電極パッドとを有し、前記下面が導電性接着剤を介して前記第2金属ベース板の上面に固定された第2半導体チップと、
下面に第1電極を有すると共に、上面に第3電極パッドを有し、前記下面が導電性接着剤を介して前記第1金属ベース板の上面に固定され、前記第1半導体チップに並列に接続された第1ダイオードチップと、
下面に第1電極を有すると共に、上面に第3電極パッドを有し、前記下面が導電性接着剤を介して前記第2金属ベース板の上面に固定され、前記第2半導体チップに並列に接続された第2ダイオードチップと、
それぞれの一端が前記封止体によって覆われ、他端が前記封止体の一側面から突出する第1および第2リードと、
前記第1半導体チップの前記第2電極パッドと前記第1リードの前記一端とを電気的に接続する第1導電材料と、
前記第2半導体チップの前記第2電極パッドと前記第2リードの前記一端とを電気的に接続する第2導電材料と、
を有し、
前記第1リードの前記一端は、前記第1金属ベース板の上面よりも上方に位置し、
前記第2リードの前記一端は、前記第2金属ベース板の上面よりも上方に位置していることを特徴とする半導体装置。 - 前記第1および第2半導体チップには、IGBTが形成されていることを特徴とする請求項9記載の半導体装置。
- 前記第1および第2導電材料は、金属リボンまたは金属クリップからなり、
前記第3および第4導電材料は、金属ワイヤからなることを特徴とする請求項2記載の半導体装置。 - 前記金属ワイヤは、Auワイヤであることを特徴とする請求項11記載の半導体装置。
- 前記封止体の一部には、前記封止体の上下面を貫通する貫通孔が設けられており、前記貫通孔の周囲の前記第1および第2金属ベース板には、前記貫通孔よりも径の小さい複数の貫通孔が設けられていることを特徴とする請求項1記載の半導体装置。
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US8629467B2 (en) | 2014-01-14 |
US20120267682A1 (en) | 2012-10-25 |
US8222651B2 (en) | 2012-07-17 |
US20100289127A1 (en) | 2010-11-18 |
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