JP2018026476A - 電子装置 - Google Patents
電子装置 Download PDFInfo
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- JP2018026476A JP2018026476A JP2016157973A JP2016157973A JP2018026476A JP 2018026476 A JP2018026476 A JP 2018026476A JP 2016157973 A JP2016157973 A JP 2016157973A JP 2016157973 A JP2016157973 A JP 2016157973A JP 2018026476 A JP2018026476 A JP 2018026476A
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- semiconductor device
- terminal
- semiconductor
- electrode
- semiconductor chip
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Abstract
Description
本願において、実施の態様の記載は、必要に応じて、便宜上複数のセクション等に分けて記載するが、特にそうでない旨明示した場合を除き、これらは相互に独立別個のものではなく、記載の前後を問わず、単一の例の各部分、一方が他方の一部詳細または一部または全部の変形例等である。また、原則として、同様の部分は繰り返しの説明を省略する。また、実施の態様における各構成要素は、特にそうでない旨明示した場合、理論的にその数に限定される場合および文脈から明らかにそうでない場合を除き、必須のものではない。
本実施の形態では、複数の半導体装置が基板に搭載された電子装置の例として、インバータ回路(電力変換回路)を備える半導体モジュールである、電力変換装置を取り上げて説明する。
図1は、直流電源と3相誘導モータMTの間に3相のインバータ回路INVを配置した回路図である。図1に示すように、直流電源Eから3相交流電力に変換するためには、スイッチSW1〜SW6の6個のスイッチで構成された3相のインバータ回路INVを使用する。具体的に、図1に示すように、3相のインバータ回路INVは、スイッチSW1とスイッチSW2を直列接続したレグLG1と、スイッチSW3とスイッチSW4を直列接続したレグLG2と、スイッチSW5とスイッチSW6を直列接続したレグLG3とを有し、レグLG1〜レグLG3は並列に接続されている。このとき、スイッチSW1、スイッチSW3、スイッチSW5は、上アームを構成し、スイッチSW2、スイッチSW4、スイッチSW6は、下アームを構成する。
次に、上述した構成を有する3相のインバータ回路INVの動作について説明する。図2は、3相のインバータ回路INVの動作を説明するタイミングチャートである。図2に示すように、3相のインバータ回路INVにおいて、スイッチSW1およびスイッチSW2から成るレグLG1(図1参照)は以下のように動作する。例えば、スイッチSW1がオンしているとき、スイッチSW2はオフしている。一方、スイッチSW1がオフしているとき、スイッチSW2はオンする。また、スイッチSW3およびスイッチSW4から成るレグLG2(図1参照)、およびスイッチSW5およびスイッチSW6から成るレグLG3(図1参照)のそれぞれも、レグLG1と同様に動作する。すなわち、スイッチSW3がオンしているとき、スイッチSW4はオフしている。一方、スイッチSW3がオフしているとき、スイッチSW4はオンする。また、スイッチSW5がオンしているとき、スイッチSW6はオフしている。一方、スイッチSW5がオフしているとき、スイッチSW6はオンする。
本実施の形態1における電子装置は、例えば、自動車や空気調節装置(エアコン:air conditioner)、あるいは産業機器などに使用される3相誘導モータの駆動回路に使用されるものである。この駆動回路には、インバータ回路が含まれ、このインバータ回路は直流電力を交流電力に変換する機能を有する回路である。図3は、本実施の形態1におけるインバータ回路および3相誘導モータを含むモータ回路の構成を示す回路図である。
次に、図3に示すインバータ回路INVを有する電子装置の実装態様の例について説明する。図4は、本実施の形態1の電子装置の外観を示す斜視図である。図5は、図4に示す電子装置の内部構造を示す平面図である。図5は平面図であるが、基板WBにハッチングを付して示している。また、図5では、図4に示す筐体CASのうち、外部端子である端子UTEなどが取り付けられる部分のみを示している。
次に、図5に示す電子装置EA1が備える各部材の詳細な構造について順に説明する。まず、図3に示すインバータ回路INVを構成するトランジスタQ1とダイオードFWDの構造について図面を参照しながら説明する。図6は、図3に示すトランジスタが形成された半導体チップの表面側の形状を示す平面図である。図7は、図6に示す半導体チップの裏面を示す平面図である。図8は、図6および図7に示す半導体チップが有するトランジスタの構造例を示す断面図である。
次に、図3に示すインバータ回路INVを構成するスイッチを構成する半導体装置の構成について図面を参照しながら説明する。上述したように、図5に示す複数のユニットEAU1のそれぞれは、半導体装置PAC1と半導体装置PAC2とを有している。しかし、半導体装置PAC1と半導体装置PAC2は、同様の構成を備えている。このため、以下では、同様の構成の半導体装置PAC1と半導体装置PAC2とを、半導体装置PACとして説明する。また、詳細は後述するが、本実施の形態のEA1では、半導体装置PAC1の搭載方法と半導体装置PAC2とは構成部材の上下が反転した状態でそれぞれ導体パターンMP1上に搭載される。しかし、以下の説明において、半導体装置PACの各構成部材の上下について説明する場合、搭載時の向きに関わらず、図8に示す半導体チップCHP1の裏面CHPbから表面CHPtに向かう方向を上方向、表面CHPtから裏面CHPbに向かう方向を下方向と定義して説明する。また、各部材の面において、上面、あるいは下面として説明した場合にも同様である。
次に、図5に示す各ユニットの構成について説明する。なお、図5に示す3つのユニットEAU1は、それぞれ同様の構造を備えているので、以下では、端子WTEに接続されるユニットEAU1を代表例として取り上げて説明する。図16は、図5に示す3つのユニットのうちの一つを拡大して示す拡大平面図である。図16では、図5に示す各部材のうち、バスバーBSNを点線で、バスバーBSPを二点鎖線で、それぞれ示している。図17は、図16に示すユニットに対応する回路要素を示す回路図である。図18は、図16のA−A線に沿った断面図、図19は図16のB−B線に沿った断面図である。また、図20および図21は、ハイサイドまたはロウサイドの端子と半導体チップの電極とを電気的に接続する経路に沿った断面図である。図18、図20、および図21では、半導体チップの電極と端子WTE、NTEまたはPTEとを電気的に接続する伝送経路の始点から終点までを、両矢印を用いて模式的に示している。
次に、図5に示す電子装置EA1に搭載される、半導体装置PAC1および半導体装置PAC2の製造方法について説明する。ただし、上記したように、半導体装置PAC1と半導体装置PAC2は、同様の構成を備えている。このため、以下では、半導体装置PAC1および半導体装置PAC2の製造方法の説明において、互いに共通する部分は、半導体装置PACとして説明する。図23、図24および図25は、図14および図15に示す半導体装置の組立てフローを示す説明図である。なお、図23〜図25では、各ステップの近くに、各ステップの概要を示す平面図を付している。以下の説明では、原則として図23〜図25に記載された平面図、および既に説明した図(例えば図14や図15など)を参照して説明する。
まず、図23に示すステップS1(基材準備工程)では、半導体チップを搭載するための基材であるダイパッドDPを準備する。なお、本実施の形態に対する変形例として、ダイパッドDPがリードフレームLF(ステップS3の平面図参照)と一体に形成されている場合、ステップS1では、ダイパッドDPおよび複数のリードLDとが一体に形成されたリードフレームLFを準備しても良い。
次に、図23に示すステップS2(チップ搭載工程)では、ダイパッドDP上に半導体チップCHP1および半導体チップCHP2を搭載する。図15に示すように、本工程では、半導体チップCHP1は、半導体チップCHP1の裏面CHPbに形成されたコレクタ電極CPとダイパッドDPとが対向するように導電性接着材ADH1を介して搭載される。また、半導体チップCHP2は、半導体チップCHP2の裏面CHPbに形成されたカソード電極CDPとダイパッドDPとが対向するように導電性接着材ADH1を介して搭載される。
次に、図23に示すステップS3(金属板搭載工程)では、半導体チップCHP1上に金属板MPL1を、半導体チップCHP2上に金属板MPL2を、それぞれ搭載する。詳しくは、金属板MPL1は、半導体チップCHP1のエミッタ電極EP上に導電性接着材ADH2(図15参照)を介して搭載される。また、金属板MPL2は、半導体チップCHP2のアノード電極ADP上に導電性接着材ADH2を介して搭載される。
次に、図23に示すステップS4(クリップ搭載工程)では、半導体チップCHP1および半導体チップCHP2上にクリップCLPを搭載する。詳しくは、クリップCLPは、金属板MPL1上および金属板MPL2上に導電性接着材ADH3(図15参照)を介して搭載される。
次に、図24に示すステップS5(ワイヤボンド工程)では、半導体チップCHP1のゲート電極GPとゲート端子GTであるリードLDとをワイヤBWを介して電気的に接続する。また、本工程では、図14に示すエミッタ電極EPと信号端子STであるリードLDとをワイヤBWを介して電気的に接続する。
次に、図24に示すステップS6(封止工程)では、半導体チップCHP1、半導体チップCHP2およびワイヤBWを樹脂で封止する。図26は、図24に示す封止工程において、半導体チップを封止する封止体が形成された状態を示す拡大断面図である。
次に、図24に示すステップS7(研磨工程)では、封止体MRの主面MRb(図26参照)の反対側に位置する上面(主面)MRt2を研磨しクリップCLPの上面を封止体MRの主面MRtから露出させる。
次に、図25に示すステップS8(めっき工程)では、図15に示すように、封止体MRから露出するクリップCLPの上面、ダイパッドDPの下面、リードLDおよびリードLDCの封止体MRからの露出部分に金属膜を形成する。
次に、図25に示すステップS9(個片化工程)では、リードフレームLFの枠部LFFから封止体MR毎のパッケージを切り離す。なお、図23〜図25では、一つのリードフレームに一つのパッケージPKGが形成される例を示している。もちろん実際に図23〜図25に示す態様で半導体装置PACを製造することもできる。しかし、製造効率を向上させる観点から、一つのリードフレームLFから複数個のパッケージPKGを取得する場合が多い。この場合、リードフレームの枠部LFFからパッケージPKGを切り離すことにより複数のパッケージPKGが互いに分離され、個片化される。
次に、図25に示すステップS10(リード成形工程)では、複数のリードLDに対して曲げ加工を施し、図18に示す半導体装置PAC1のリードLDの形状、または図19に示す半導体装置PAC2のリードLDの形状を得る。リードLDの曲げ方向は、以下の通りである。
次に、図25に示すステップS11(検査工程)では、半導体装置PACに対して外観検査や電気的試験など必要な試験が実施される。検査の結果、合格と判定されたものは、図5に示す電子装置EA1に実装される。あるいは、電子装置EA1を別の場所で組み立てる場合には、合格と判定された半導体措置PACは、製品として出荷される。
次に、実施の形態2として、図3を用いて説明したレグLG1、レグLG2、およびレグLG3のうちのいずれか一つを構成する単層のインバータ回路を有する電子装置の実施態様について説明する。図27は、本実施の形態2の電子装置の回路構成例を示す回路図である。図27では、図3に示すインバータ回路INVのレグLG1〜レグLG3のうち、レグLG1に着目して、レグLG1を単位レグLG1Aと単位レグLG1Bから構成する例を示している。なお、本実施の形態2では、上記実施の形態1との相違点を中心に説明し、上記実施の形態1と重複する説明は原則として省略する。
次に、図27に示す回路に対応する電子装置の実装態様について説明する。図28は、図27に示す電子装置の外観形状を示す斜視図である。図29は、図28に示す電子装置の内部構造を示す平面図である。図29では、バスバーBSU、BSN、BSPのそれぞれを点線で示している。図30は、図29のA−A線に沿った断面図である。図30では、バスバーBSU、BSN、BSPの一部分(電子装置の厚さ方向に延びる部分)を点線で示している。図31は、図29のB−B線に沿った断面図である。図32は、図29のC−C線に沿った断面図である。
以上、本発明者によってなされた発明を実施の形態に基づき具体的に説明したが、本発明は上記実施の形態に限定されるものではなく、その要旨を逸脱しない範囲で種々変更可能であることはいうまでもない。なお、上記実施の形態中でもいくつかの変形例について説明したが、以下では、上記実施の形態で説明した変形例以外の代表的な変形例について説明する。
また例えば、上記実施の形態1と上記実施の形態2とでは、互いに異なる形状の外部端子を有する電子装置を取り上げて説明した。電子装置の外部端子の形状およびレイアウトについては種々の変形例がある。したがって、上記実施の形態1および上記実施の形態2で説明した外部端子の形状は、一例であって、それに限定されない。例えば、上記実施の形態1や上記実施の形態2に対する変形例として、バスバーBSNやバスバーBSPの一部分が筐体CASを貫通して外部に露出している場合、その露出した部分を外部端子として利用することができる。また、上記実施の形態1や上記実施の形態2に対する変形例として、半導体装置のリードLDの一部分が筐体CASを貫通して外部に露出している場合、その露出した部分を外部端子として利用することができる。
また例えば、上記実施の形態1および上記実施の形態2では、エミッタ端子ETとしてクリップCLPを利用し、コレクタ端子CTとしてダイパッドDPを利用する実施態様について説明した。しかし、エミッタ端子ETおよびコレクタ端子CTの構造や形状には、種々の変形例がある。例えば、図15に示す金属板MPL1の上面を封止体MRの主面MRtにおいて露出させて、エミッタ端子として利用しても良い。また、半導体チップCHP1のエミッタ電極EPを封止体MRの主面MRtにおいて露出させて、エミッタ端子として利用しても良い。
また例えば、上記実施の形態1および上記実施の形態2では、半導体装置の端子にバスバーが接続され、かつ基板WBが筐体に覆われた電子装置について説明した。しかし、電子装置の態様には、種々の変形例がある。例えば、基板WB上に複数の半導体装置が搭載され、筐体CASに覆われる前の状態で製品として出荷する場合もある。さらに、半導体装置にバスバーを接続する前の状態で製品として出荷する場合もある。この場合、図20に示すように半導体装置PAC1のコレクタ端子CTと、半導体装置PAC2のエミッタ端子ETとは、導体パターンMP1を介して互いに電気的に接続されている。このため、半導体装置PAC1のコレクタ端子CTと、半導体装置PAC2のエミッタ端子ETとを電気的に接続する経路のインダクタンスを低減できる。
また、例えば、上記の通り種々の変形例について説明したが、上記で説明した各変形例同士を組み合わせて適用することができる。
ADP アノード電極(アノード電極パッド、表面電極)
BMS 基材(金属基材、金属板)
BND1,BND2,BND3 接続部材(導電性部材、導電性接着材、接合材)
BSN,BSP,BSU バスバー(導電性部材、接続部材、導体棒)
BSNX,BSNz,BSPX,BSPz,BSUz 部分
BW ワイヤ(導電性部材)
CAP 容量素子
CAS 筐体
CDP カソード電極(カソード電極パッド、裏面電極)
CHP1,CHP2 半導体チップ
CHPb 裏面(面、下面、主面)
CHPt 表面(面、上面、主面)
CLP クリップ(導電性部材、金属プレート、電極接続部材)
CP コレクタ電極(コレクタ電極パッド、裏面電極)
CT コレクタ端子(パッケージ端子、裏面端子)
DP ダイパッド(チップ搭載部、金属プレート、タブ、ヒートスプレッダ)
E 直流電源
EA1,EA2 電子装置(半導体モジュール、パワーモジュール)
EAU1 ユニット(電子装置ユニット)
EP エミッタ電極(エミッタ電極パッド、表面電極)
ER,NR1,NR2,NR3,NR4,PR1,PR2,PR3,PR4 半導体領域
ET エミッタ端子(パッケージ端子、表面端子)
FWD ダイオード(フリーホイールダイオード)
GC ゲート制御回路
GE,GP ゲート電極(ゲート電極パッド、表面電極)
GOX ゲート絶縁膜
GT ゲート端子
GTE1,GTE2,NTE,PTE,UTE,VTE,WTE 端子(外部端子)
IF1,IF2,IF3 絶縁膜
INV インバータ回路
LD,LDC リード(端子)
LF リードフレーム
LFF 枠部
LG1,LG2,LG3 レグ
LG1A,LG1B 単位レグ
LS1,LS2 長辺
MB1,MLP1,MLP2 金属板(導電性部材)
MP1 導体パターン(金属パターン)
MP2,MP3,MP3,MP4,MP5(配線パターン)
MR 封止体(樹脂体)
MRb 主面(下面、裏面)
MRs 側面
MRt 主面(上面、表面)
MRt2 上面(主面)
MT 3相誘導モータ
MTE モニタリング端子
NT 負電位端子(ロウサイド端子)
PAC 半導体措置
PAC 半導体チップ
PAC,PAC1,PAC1A,PAC1B,PAC2,PAC2A,PAC2B 半導体装置(半導体パッケージ)
PKG パッケージ
PT 正電位端子(ハイサイド端子)
PTH1,PTH2,PTH3,PTHN,PTHP 経路(伝送経路)
Q1 トランジスタ
RT ロータ
S1−S11 ステップ
SDF 金属膜
SGTE 信号端子
SS3,SS4 短辺
ST 信号端子
SW1−SW6 スイッチ
TB タイバー
THH 貫通孔
TR トレンチ
VL1,VL2,VL3 延在距離
WB 基板
WBb 下面(裏面、面)
WBt 上面(表面、面)
Claims (18)
- 筐体と、
前記筐体から露出する第1外部端子、第2外部端子、第3外部端子、および第4外部端子と、
第1面および前記第1面に形成された第1導体パターンを有する基板と、
前記基板の前記第1面に搭載された第1半導体装置と、
前記基板の前記第1面に搭載された第2半導体装置と、を含み、
前記第1半導体装置および前記第2半導体装置のそれぞれは、
パワートランジスタを備え、第1表面、前記第1表面に形成された第1表面電極、前記第1表面に形成された第2表面電極、前記第1表面の反対側の第1裏面、および前記第1裏面に形成された第1裏面電極を有する第1半導体チップと、
前記第1半導体チップの前記第1表面電極と電気的に接続された第1端子と、
前記第1半導体チップの前記第1表面と対向し、前記第1半導体チップの前記第2表面電極と電気的に接続された第2端子と、
前記第1半導体チップの前記第1裏面と対向し、前記第1半導体チップの前記第1裏面電極と電気的に接続された第3端子と、
第1主面、前記第1主面の反対側の第2主面、および前記第1主面と前記第2主面の間の側面を有し、前記第1半導体チップを封止する封止体と、
から成り、
前記第1端子は、前記封止体の前記側面から外側に向かって突出し、
前記第2端子は、前記封止体の前記第1主面から露出し、
前記第3端子は、前記封止体の前記第2主面から露出し、
前記第1半導体装置の前記封止体の前記第2主面は、前記基板の前記第1面と対向し、
前記第2半導体装置の前記封止体の前記第1主面は、前記基板の前記第1面と対向し、
前記第1半導体装置の前記第1裏面電極は、前記基板の前記第1面に形成された前記第1導体パターンおよび前記第3端子を介して前記第2半導体装置の前記第2表面電極と電気的に接続され、
前記第1半導体装置の前記第1表面電極は、前記第1半導体装置の前記第1端子を介して前記第1外部端子と電気的に接続され、
前記第2半導体装置の前記第1表面電極は、前記第2半導体装置の前記第1端子を介して前記第2外部端子と電気的に接続され、
前記第1半導体装置の前記第2表面電極は、前記第1半導体装置の前記第2端子および前記第1半導体装置の前記封止体の前記第1主面上に配置された第1導体棒を介して前記第3外部端子と電気的に接続され、
前記第2半導体装置の前記第2表面電極は、前記第2半導体装置の前記第3端子および前記第2半導体装置の前記封止体の前記第2主面上に配置された第2導体棒を介して前記第4外部端子と電気的に接続されている、電子装置。 - 請求項1において、
前記筐体は、第5外部端子を有し、
前記第1導体パターンは、前記第5外部端子に接続されている、電子装置。 - 請求項2において、
前記第1半導体装置の前記第2表面電極と前記第3外部端子とが電気的に接続される第1経路の経路距離は、前記第1半導体装置の前記第1裏面電極と前記第5外部端子とが電気的に接続される第2経路の経路距離より短い、電子装置。 - 請求項2において、
前記第2半導体装置の前記第2表面電極と前記第4外部端子とが電気的に接続される第3経路の経路距離は、前記第1半導体装置の前記第1裏面電極と前記第5外部端子とが電気的に接続される第2経路の経路距離より短い、電子装置。 - 請求項1において、
前記第1導体棒および前記第2導体棒のそれぞれは、前記基板の前記第1面に形成された前記第1導体パターンを含む全ての導体パターンから電気的に分離されている、電子装置。 - 請求項1において、
前記基板の前記第1面は、前記筐体に覆われている、電子装置。 - 請求項1において、
前記第1半導体装置の前記第1端子は、前記基板を介さずに前記第1外部端子に接続され、
前記第2半導体装置の前記第1端子は、前記基板を介さずに前記第2外部端子に接続されている、電子装置。 - 請求項7において、
前記封止体の厚さ方向において、前記第1半導体装置の前記第1端子は、前記第2主面側から前記第1主面側に向かう方向に屈曲する屈曲部を有し、
前記封止体の厚さ方向において、前記第2半導体装置の前記第1端子は、前記第1主面側から前記第2主面側に向かう方向に屈曲する屈曲部を有している、電子装置。 - 請求項1において、
前記基板は、金属製の基材と、前記基材の一方の面上にあり、前記基材の厚さより薄い絶縁膜と、前記絶縁膜上にある前記第1導体パターンと、を有している、電子装置。 - 請求項1において、
前記第1半導体装置および前記第2半導体装置のそれぞれは、第2表面、前記第2表面に形成された第3表面電極、前記第2表面の反対側の第2裏面、および前記第2裏面に形成された第2裏面電極を有する第2半導体チップを含み、
前記第1半導体チップの前記第2表面電極と前記第2半導体チップの前記第3表面電極は、前記第2端子を介して電気的に接続され、
前記第1半導体チップの前記第1裏面電極と前記第2半導体チップの前記第2裏面電極は、前記第3端子を介して電気的に接続されている、電子装置。 - 請求項1において、
前記基板には、平面視において、第1方向に沿って配列される第1ユニット、第2ユニット、および第3ユニットが搭載され、
前記第1ユニット、前記第2ユニット、および前記第3ユニットのそれぞれは、前記第1半導体装置、前記第2半導体装置を有し、
前記第1導体棒は、第1方向に沿って延びる第1部分を有し、かつ、前記第1ユニットの前記第1半導体装置の前記第2端子、前記第2ユニットの前記第1半導体装置の前記第2端子、および前記第3ユニットの前記第1半導体装置の前記第2端子に接続され、
前記第2導体棒は、第1方向に沿って延びる第2部分を有し、かつ、前記第1ユニットの前記第2半導体装置の前記第3端子、前記第2ユニットの前記第2半導体装置の前記第3端子、および前記第3ユニットの前記第2半導体装置の前記第3端子に接続されている、電子装置。 - 請求項11において、
平面視において、前記第1導体棒の前記第1部分と前記第2導体棒の前記第2部分とは、重なっている、電子装置。 - 請求項12において、
平面視において、前記第1導体棒の前記第1部分および前記第2導体棒の前記第2部分のそれぞれは、複数の前記第1半導体装置および複数の前記第2半導体装置のそれぞれと重なる位置に配置され、
複数の前記第1半導体装置および複数の前記第2半導体装置のそれぞれは、前記第1方向に沿って、前記第1半導体装置と前記第2半導体装置とが互いに隣り合うように交互に配列されている、電子装置。 - 請求項11において、
前記第1導体棒の前記第1部分および前記第2導体棒の前記第2部分のそれぞれの厚さは、前記第1導体パターンの厚さより厚い、電子装置。 - 請求項1において、
前記基板の前記第1面は、前記筐体に覆われ、
前記第3外部端子および前記第4外部端子は、前記筐体のうち、前記基板の前記第1面を覆う部分に配置され、
前記第1導体棒は、前記第1半導体装置の前記第1端子との接続部分から前記第3外部端子との接続部分に向かって前記電子装置の厚さ方向に延びる部分を有し、
前記第2導体棒は、前記第2半導体装置の前記第2端子との接続部分から前記第4外部端子との接続部分に向かって前記電子装置の厚さ方向に延びる部分を有している、電子装置。 - 請求項15において、
前記筐体は、第5外部端子を有し、
前記第1導体パターンは、前記第1導体パターンと前記第5外部端子とを電気的に接続する第3導体棒を有し、
前記第3導体棒は、前記第1導体パターンとの接続部分から前記第5外部端子との接続部分に向かって前記電子装置の厚さ方向に延びる部分を有している、電子装置。 - 請求項16において、
前記第1導体棒の延在距離および前記第2導体棒の延在距離は、それぞれ前記第3導体棒の延在距離より短い、電子装置。 - 第1面および前記第1面に形成された第1導体パターンを有する基板と、
前記基板の前記第1面に搭載された第1半導体装置と、
前記基板の前記第1面に搭載された第2半導体装置と、を含み、
前記第1半導体装置および前記第2半導体装置のそれぞれは、
パワートランジスタを備え、第1表面、前記第1表面に形成された第1表面電極、前記第1表面に形成された第2表面電極、前記第1表面の反対側の第1裏面、および前記第1裏面に形成された第1裏面電極を有する第1半導体チップと、
前記第1半導体チップの前記第1表面電極と電気的に接続された第1端子と、
前記第1半導体チップの前記第1表面と対向し、前記第1半導体チップの前記第2表面電極と電気的に接続された第2端子と、
前記第1半導体チップの前記第1裏面と対向し、前記第1半導体チップの前記第1裏面電極と電気的に接続された第3端子と、
第1主面、前記第1主面の反対側の第2主面、および前記第1主面と前記第2主面の間の側面を有し、前記第1半導体チップを封止する封止体と、
から成り、
前記第1端子は、前記封止体の前記側面から外側に向かって突出し、
前記第2端子は、前記封止体の前記第1主面から露出し、
前記第3端子は、前記封止体の前記第2主面から露出し、
前記第1半導体装置の前記封止体の前記第2主面は、前記基板の前記第1面と対向し、
前記第2半導体装置の前記封止体の前記第1主面は、前記基板の前記第1面と対向し、
前記第1半導体装置の前記第1裏面電極は、前記基板の前記第1面に形成された前記第1導体パターンおよび前記第3端子を介して前記第2半導体装置の前記第2表面電極と電気的に接続され、
前記第1半導体装置の前記第2端子および前記第2半導体装置の前記第3端子のそれぞれは、前記第1導体パターンを含む全ての導体パターンから電気的に分離され、かつ、前記第1半導体装置の前記第2端子と前記第2半導体装置の前記第3端子とは、互いに電気的に分離されている、電子装置。
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EP17182397.4A EP3282479B1 (en) | 2016-08-10 | 2017-07-20 | Power semiconductor module |
US15/655,617 US10056309B2 (en) | 2016-08-10 | 2017-07-20 | Electronic device |
TW106125656A TWI731129B (zh) | 2016-08-10 | 2017-07-31 | 電子裝置 |
CN201720984596.2U CN207233730U (zh) | 2016-08-10 | 2017-08-08 | 电子装置 |
CN201710671430.XA CN107731779B (zh) | 2016-08-10 | 2017-08-08 | 电子装置 |
US16/033,054 US20180331002A1 (en) | 2016-08-10 | 2018-07-11 | Electronic device |
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WO2018193929A1 (ja) * | 2017-04-19 | 2018-10-25 | 三菱電機株式会社 | 半導体モジュールおよび電力変換装置 |
JP6576580B2 (ja) * | 2017-05-12 | 2019-09-18 | 三菱電機株式会社 | 半導体モジュールおよび電力変換装置 |
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US20180047649A1 (en) | 2018-02-15 |
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CN207233730U (zh) | 2018-04-13 |
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