JP6488940B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6488940B2 JP6488940B2 JP2015156632A JP2015156632A JP6488940B2 JP 6488940 B2 JP6488940 B2 JP 6488940B2 JP 2015156632 A JP2015156632 A JP 2015156632A JP 2015156632 A JP2015156632 A JP 2015156632A JP 6488940 B2 JP6488940 B2 JP 6488940B2
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- terminal
- surface portion
- semiconductor device
- circuit board
- plate member
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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Description
[実施の形態]
まず、実施の形態の半導体装置について、図1を用いて説明する。
半導体装置100は、ケース110と、ケース110の収納部112a,112b,112cにそれぞれ収納された積層基板140とを含む。
ここで、半導体装置100の製造方法について、図2を用いて説明する。
[ステップS11]プリント基板119a,119b及び端子ブロック120,130を用意する(ステップS11a)。また、積層基板140を用意する(ステップS11b)。ステップS11aにおいて、端子ブロック120,130の制御端子121,131は、それぞれプリント基板119a,119bに圧入され、プリント基板119a,119bを端子ブロック120,130の下面側に保持する。
図3は、実施の形態の半導体装置の絶縁基板に部品搭載した斜視図である。
積層基板140は、絶縁基板141の下面に銅等により構成された放熱板(図示を省略)と、絶縁基板141の上面に銅箔等により構成された回路板142a,142bとがそれぞれ配置されている。
ジャンパー端子145a(145b)は、端子部145ab(145bb)と、平板部(板部材)145aa(145ba)と、平板部145aa(145ba)と端子部145ab(145bb)とを接続する段差部145ac(145bc)とを有する。
図3に示すようにジャンパー端子145aの平板部145aaと、ジャンパー端子145bの平板部145baとは、平行に向き合って配置される。また、図3に示すようにジャンパー端子145aは、平面視で、ジャンパー端子145bよりも図中上側まで突出している。また、図3に示すようにジャンパー端子145bは、平面視で、ジャンパー端子145aよりも図中下側まで突出している。平板部145aaと平板部145baは、樹脂プレート147を挟んでずれて配置されている。平板部145aaの一端部は平板部145baの一端部よりも積層基板140の一端部寄りに配置されている、平板部145baの他端部は、平板部145aaの他端部よりも積層基板140の一端部反対側の他端部寄りに配置されている。
このようなプレート部147aを平板部145aaと平板部145baとの間に配置することによって、半導体装置100は、ジャンパー端子145aとジャンパー端子145bとの沿面距離、及び空間距離を確保できる。すなわち、半導体装置100は、ジャンパー端子145aとジャンパー端子145bとの絶縁性を確保できる。
後述するようにジャンパー端子145aは、平板部145aaをスリット147cに挿入した状態で積層基板140に配置されるが、平板部145aaをスリット147c内で摺動できるため、挿入した状態のまま、端子部145abを適切な位置まで誘導できる。また、ジャンパー端子145bは、平板部145baをスリット147cに挿入した状態で積層基板140に配置されるが、平板部145baをスリット147c内で摺動できるため、挿入した状態のまま、端子部145bbを適切な位置まで誘導できる。つまり、平板部145aa(145ba)がスリット147c内を摺動することで、樹脂プレート147の位置決め部147bを回路板142a,142bに密着させた状態のまま、適切な位置まで端子部145ab(145bb)を移動させることができる。
なお、位置決め部147bの形状は、一例であって凸形状に限らない。位置決め部147bの形状は、半導体チップの位置を規定できる形状であればよい。また、樹脂プレート147は、位置決め部147bを設けずに、図5に示したプレート部147aの厚さをより厚くして、回路板142a,142bまで延伸させて回路板142a,142bと密着し、プレート部147aで各半導体チップの位置(一辺の位置)を規定してもよい。樹脂プレート147の材料として液晶プラスチック(LCP)やポリフェニレンサルファイド(PPS)等、はんだ付けに対応する樹脂を使用できる。
図10は、実施の形態の半導体装置の端子ブロックの斜視図である。
また、図11及び図12は、実施の形態の半導体装置のプリント基板及び端子ブロックの斜視図である。なお、図11及び図12では、端子ブロック120,130をプリント基板119aに配置している場合を示している。
[ステップS12]端子ブロック120,130が配置されたプリント基板119a,119b、配線端子(第3配線端子)118、P端子113a,113b,113c、N端子114a,114b,114c、U端子115a、V端子115b、W端子115c等を一体成形により樹脂を用いてケース110を形成する。
図13は、実施の形態の半導体装置のケースの平面図であり、図14は、実施の形態の半導体装置のケースの裏面図である。
ここで配線端子116,117について図1,15〜17を用いて説明する。図15は、実施の形態の半導体装置の配線端子の斜視図である。図16は、実施の形態の半導体装置の配線端子及び積層基板の断面図であり、図1の一点鎖線X−Xにおける断面図である。図17は、実施の形態の半導体装置の要部拡大図である。
すなわち、半導体装置100では、電気的に接続した側面部117b及び平板部145baと、電気的に接続した側面部116b及び平板部145aaとが、プレート部147aを挟んで平行に配置されている。また、半導体装置100では、側面部116cと、側面部117cとが平行に配置されている。また、半導体装置100では、側面部117bと、側面部118bとが平行に配置されている。
したがって、P端子113aに電源の正極が、N端子114aに負極が接続された状態で、制御端子121,131及びプリント基板119a,119bを経由して外部回路との間で制御信号が入出力される。この制御信号に応じて、プリント基板119a,119b及びワイヤ148を経由して、半導体チップ144a,144b,144c並びに半導体チップ146a,146b,146cのゲート電極に制御信号が入力されて、制御信号に応じてU端子115aから出力される。
また、平行に配置された側面部117bに流れる電流によって生じる磁場と、側面部118bに流れる電流によって生じる磁場が打ち消し合う。
また、半導体装置100は、一組の積層基板140、半導体チップ144a〜144c,146a〜146c、ジャンパー端子145a,145b、樹脂プレート147、入力端子(P端子113a、N端子114a)及び出力端子(U端子115a)を備える、1相分のパワー半導体モジュールとして構成されてもよい。
110 ケース
112a,112b,112c 収納部
113a,113b,113c P端子
114a,114b,114c N端子
115a U端子
115b V端子
115c W端子
116,117,118 配線端子
116a,117a,118a 底面部
116b,116c,117b,117c,118b 側面部
119a,119b プリント基板
120,130 端子ブロック
121,131 制御端子
140 積層基板
141 絶縁基板
142a,142b 回路板
143a,143b 導電端子
144a,144b,144c,146a,146b,146c 半導体チップ(半導体素子)
145a,145b ジャンパー端子
145aa,145ba 平板部
145ab,145bb 端子部
145ac,145bc 段差部
150 樹脂ブロック
200,210 治具
201,202,203,204,205,206 半導体チップ収納部
207,208 導電端子収納部
210a 端子部収納部
Claims (10)
- 絶縁基板と、前記絶縁基板のおもて面に配置された第1回路板と、前記第1回路板に並列して前記おもて面に配置された第2回路板とを有する積層基板と、
前記第1回路板に配置された第1半導体チップと、
前記第2回路板に配置された第2半導体チップと、
前記第1半導体チップの主電極と電気的に接続する第1端子部と、第1板部材とを有する第1ジャンパー端子と、
前記第2半導体チップの主電極と電気的に接続する第2端子部と、第2板部材とを有する第2ジャンパー端子と、
前記第1回路板のおもて面に載置され、前記第1回路板に対する前記第1半導体チップの位置を規定する第1位置決め部と、前記第2回路板のおもて面に載置され、前記第2回路板に対する前記第2半導体チップの位置を規定する第2位置決め部と、前記第1回路板と前記第2回路板の間で、前記第1板部材と前記第2板部材とに挟持されるプレート部と、を備える樹脂プレートと、
を有する半導体装置。 - 前記第1板部材と、前記第2板部材とは平行に配置され、
前記第1板部材と、前記第2板部材とには、逆向きの電流が流れる、
請求項1に記載の半導体装置。 - 前記プレート部は、
前記第1板部材と、前記第2板部材とが重なり合う領域を含む大きさである、
請求項1に記載の半導体装置。 - 前記樹脂プレートは、
前記第1板部材の挿入を受付ける第1挿入部と、
前記第2板部材の挿入を受付ける第2挿入部と、を備える、
請求項1に記載の半導体装置。 - 前記第1挿入部は、前記プレート部と前記第1位置決め部との間に設けられており、
前記第2挿入部は、前記プレート部と前記第2位置決め部との間に設けられている、
請求項4に記載の半導体装置。 - 前記第1位置決め部は、
平面視で、凸形状であり、凸形状の段差部分を構成する二辺で前記第1半導体チップの位置を規定し、
前記第2位置決め部は、
平面視で、凸形状であり、凸形状の段差部分を構成する二辺で前記第2半導体チップの位置を規定する、
請求項1に記載の半導体装置。 - 前記積層基板を収納するケースと、
前記ケースに設けられた、前記ケースの外部と内部を接続する第1外部端子と、
前記ケースに前記第1外部端子と隣接して設けられた、前記ケースの外部と内部を接続する第2外部端子と、
前記ケースの前記第1外部端子が配置された側と逆側に設けられた、前記ケースの外部と内部を接続する第3外部端子と、
一端で前記第1外部端子と接続するとともに、他端が前記第3外部端子の手前まで延伸する前記積層基板と平行な第1底面部と、前記第1底面部と直交し、前記第2板部材と電気的に接続する第1側面部とを備える第1配線端子と、
一端で前記第3外部端子と接続するともに、他端が前記第2外部端子の手前まで延伸する前記積層基板と平行な第2底面部と、前記第2底面部と直交し、前記第1板部材と電気的に接続する第2側面部とを備える第2配線端子と、を備える、
請求項1に記載の半導体装置。 - 前記第1側面部は、前記第2板部材と平行であり、
前記第2側面部は、前記第1板部材と平行であって、
前記第1側面部と前記第2側面部とで、前記第1板部材と、前記プレート部と、前記第2板部材とを挟み込んでいる、
請求項7に記載の半導体装置。 - 一端で前記第2外部端子と接続するとともに、他端が前記第2底面部の手前まで延伸する前記積層基板と平行な第3底面部と、前記第3底面部の前記第2底面部と対向する辺に、前記第3底面部と直交する第3側面部とを備える第3配線端子を、更に備え、
前記第1側面部は、前記第3側面部と対向する位置まで延伸している、
請求項7に記載の半導体装置。 - 前記第1底面部の他端で、前記第2底面部と対向しており、
前記第1配線端子は、前記第1底面部の他端の前記第2底面部と対向する辺に、前記第1底面部と直交する第2の第1側面部を備え、
前記第2配線端子は、前記第2底面部の前記第1底面部の他端と対向する辺に、前記第2底面部と直交する第2の第2側面部を備える、
請求項7に記載の半導体装置。
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