JP2016066702A - 半導体装置およびその製造方法 - Google Patents
半導体装置およびその製造方法 Download PDFInfo
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- JP2016066702A JP2016066702A JP2014194648A JP2014194648A JP2016066702A JP 2016066702 A JP2016066702 A JP 2016066702A JP 2014194648 A JP2014194648 A JP 2014194648A JP 2014194648 A JP2014194648 A JP 2014194648A JP 2016066702 A JP2016066702 A JP 2016066702A
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Abstract
Description
インバータ回路とは、直流電力を交流電力に変換する回路である。例えば、直流電源のプラスとマイナスを交互に出力すれば、これに応じて電流の向きが逆転する。この場合、電流の向きが交互に逆転するので、出力は交流電力と考えることができる。これがインバータ回路の原理である。ここで、交流電力といっても、単相交流電力や3相交流電力に代表されるように様々な形態があることになる。そこで、本実施の形態1では、特に、直流電力を3相の交流電力に変換する3相インバータ回路を例に挙げて説明することにする。ただし、本実施の形態1における技術的思想は、3相インバータ回路に適用する場合に限らず、例えば、単相インバータ回路などにも幅広く適用することができる。
図1は、直流電源E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。本実施の形態1では、3相誘導モータMTの一例として、永久磁石同期モータ(Permanent Magnet synchronous Motor、これ以降は少略してPMモータと呼ぶ)を例に挙げて説明する。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を直列接続した第1レグLG1と、スイッチSW3とスイッチSW4を直列接続した第2レグLG2と、スイッチSW5とスイッチSW6を直列接続した第3レグLG3とを有し、第1レグLG1〜第3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ことになる。
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において、3相のインバータ回路INVでのスイッチSW1とスイッチSW2のスイッチング動作は、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はオンするように行なわれる。同様に、3相のインバータ回路INVでのスイッチSW3とスイッチSW4のスイッチング動作は、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はオンするように行なわれる。また、3相のインバータ回路INVでのスイッチSW5とスイッチSW6のスイッチング動作は、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はオンするように行なわれる。
本実施の形態1における半導体装置は、例えば、電気自動車やハイブリッド車などに使用される3相誘導モータの駆動回路に使用されるものである。具体的に、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。
上述したように、本実施の形態1におけるインバータ回路INVには、スイッチング素子として、IGBTQ1が使用されているが、このIGBTQ1と逆並列接続するようにダイオードFWDが設けられている。単に、スイッチング素子によってスイッチ機能を実現する観点から、スイッチング素子としてのIGBTQ1は必要であるが、ダイオードFWDを設ける必要性はないものと考えられる。この点に関し、インバータ回路INVに接続される負荷にインダクタンスが含まれている場合には、ダイオードFWDを設ける必要があるのである。以下に、この理由について説明する。
本実施の形態1におけるインバータ回路INVを構成するIGBTQ1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ことにする。本実施の形態1におけるインバータ回路INVには、IGBTQ1が含まれ、かつ、ダイオードFWDが含まれる。
続いて、IGBTQ1のデバイス構造について説明する。図7は、本実施の形態1におけるIGBTQ1のデバイス構造を示す断面図である。図7において、IGBTQ1は、半導体チップの裏面に形成されたコレクタ電極CE(コレクタ電極パッドCP)を有し、このコレクタ電極CE上にp+型半導体領域PR1が形成されている。p+型半導体領域PR1上にはn+型半導体領域NR1が形成され、このn+型半導体領域NR1上にn−型半導体領域NR2が形成されている。そして、n−型半導体領域NR2上にはp型半導体領域PR2が形成され、このp型半導体領域PR2を貫通し、n−型半導体領域NR2に達するトレンチTRが形成されている。さらに、トレンチTRに整合してエミッタ領域となるn+型半導体領域ERが形成されている。トレンチTRの内部には、例えば、酸化シリコン膜よりなるゲート絶縁膜GOXが形成され、このゲート絶縁膜GOXを介してゲート電極GEが形成されている。このゲート電極GEは、例えば、ポリシリコン膜から形成され、トレンチTRを埋め込むように形成されている。また、図7においては、トレンチゲート構造を示したが、それに限定されることはなく、例えば、図示していないが、シリコン基板上に形成されるプレーナゲート構造を用いたIGBTでもよい。
次に、本実施の形態1におけるIGBTQ1の動作について説明する。まず、IGBTQ1がターンオンする動作について説明する。図7において、ゲート電極GEと、エミッタ領域となるn+型半導体領域ERの間に充分な正の電圧を印加することにより、トレンチゲート構造をしたMOSFETがターンオンする。この場合、コレクタ領域を構成するp+型半導体領域PR1とn−型半導体領域NR2の間が順バイアスされ、p+型半導体領域PR1からn−型半導体領域NR2へ正孔注入が起こる。続いて、注入された正孔のプラス電荷と同じだけの電子がn−型半導体領域NR2に集まる。これにより、n−型半導体領域NR2の抵抗低下が起こり(伝導度変調)、IGBTQ1はオン状態となる。
次に、図8は、ダイオードFWDが形成された半導体チップCHP2の外形形状を示す平面図である。図8では、半導体チップCHP2の主面(表面)が示されている。図8に示すように、本実施の形態1における半導体チップCHP2の平面形状は、長辺LS2と短辺SS2を有する長方形形状をしている。そして、長方形形状をした半導体チップCHP2の表面には、長方形形状をしたアノード電極パッドADPが形成されている。一方、図示はしないが、半導体チップCHP2の表面とは反対側の裏面全体にわたって、長方形形状のカソード電極パッドが形成されている。
このように構成されたダイオードFWDによれば、アノード電極ADEに正電圧を印加し、カソード電極CDEに負電圧を印加すると、n−型半導体領域NR4とp型半導体領域PR3の間のpn接合が順バイアスされ電流が流れる。一方、アノード電極ADEに負電圧を印加し、カソード電極CDEに正電圧を印加すると、n−型半導体領域NR4とp型半導体領域PR3の間のpn接合が逆バイアスされ電流が流れない。このようにして、整流機能を有するダイオードFWDを動作させることができる。
上述した図3に示すインバータ回路INVは、例えば、IGBTQ1が形成された半導体チップCHP1と、ダイオードFWDが形成された半導体チップCHP2とを1パッケージ化した半導体装置を6つ使用することにより具現化されている。ここで、IGBTQ1が形成された半導体チップCHP1と、ダイオードFWDが形成された半導体チップCHP2とを1パッケージ化した半導体装置の製造工程(関連技術)においては、半導体装置の信頼性を向上する観点から改善の余地が存在する。
本実施の形態1における半導体装置は、図3に示すインバータ回路INVに関するものであり、インバータ回路INVの構成要素となる1つのIGBTQ1と1つのダイオードFWDとを1パッケージ化したものである。すなわち、本実施の形態1における半導体装置を6つ使用することにより、3相モータを駆動する3相のインバータ回路INVとなる電子装置(パワーモジュール)が構成されることになる。
次に、本実施の形態1における半導体装置PAC1の特徴点について説明する。図14(a)において、本実施の形態1における特徴点は、封止体MRの内部に支持部SPUが設けられ、この支持部SPUによってクリップCLPが支持されている点にある。具体的には、図14(a)に示すように、半導体チップCHP1および半導体チップCHP2を挟むように一対の支持部SPUが設けられており、一対の支持部SPUのそれぞれは、リードLD1およびリードLD2の突出方向と並行するy方向に延在している。そして、本実施の形態1において、クリップCLPは、リードLD1と半導体チップCHP1と半導体チップCHP2とを接続する本体部BDUと、本体部BDUと接続され、x方向に延在する一対の延在部EXUとから構成されている。つまり、クリップCLPは、本体部BDUと、本体部BDUと連なる延在部EXUとを有する。このとき、図14(a)に示すように、一対の延在部EXUのそれぞれは、一対の支持部SPUのそれぞれの上に搭載されており、これによって、クリップCLPは、一対の支持部SPUによって支持されることになる。すなわち、本実施の形態1において、クリップCLPは、リードLD1上(1点)と一対の支持部SPU上(2点)に搭載されており、クリップCLPは、これらの3点で支持されていることになる。表現を換えて言えば、平面視において、クリップCLPの延在部EXUの一部が、支持部SPUに重なるように配置されている。
続いて、本実施の形態1における半導体装置の製造方法について、図面を参照しながら説明する。
まず、図15に示すように、チップ搭載部TABを準備する。このチップ搭載部TABは、例えば、矩形形状をしており、銅を主成分とする材料から構成されている。
次に、図16に示すように、チップ搭載部TAB上に、例えば、導電性接着材ADH1を形成する。導電性接着材ADH1には、例えば、銀ペーストや高融点半田を使用することができる。続いて、図17に示すように、チップ搭載部TAB上に、IGBTが形成された半導体チップCHP1と、ダイオードが形成された半導体チップCHP2を搭載する。
次に、図18に示すように、リードフレームLFを準備する。ここで、図18に示すように、チップ搭載部TABの厚さは、リードフレームLFの厚さよりも厚くなっている。また、リードフレームLFには、複数のリードLD1と複数のリードLD2と一対の支持部SPUとして機能する吊り部HLが形成されている。なお、この吊り部HLには、屈曲部BEUが形成されているとともに切り欠き部NTUが形成されている。
続いて、図19に示すように、半導体チップCHP2のアノード電極パッドADP上に、例えば、銀ペーストや高融点半田からなる導電性接着材ADH2を形成する。その後、半導体チップCHP1のエミッタ電極パッドEP上にも、例えば、銀ペーストや高融点半田からなる導電性接着材ADH2を形成する。さらに、図19に示すように、リードLD1の一部領域上にも、例えば、銀ペーストや高融点半田からなる導電性接着材ADH2を形成する。このとき形成される導電性接着材ADH2は、上述した導電性接着材ADH1と同じ材料成分であってもよいし、異なる材料成分であってもよい。
続いて、図26(a)は、封止工程を示す平面図であり、図26(b)は、図26(a)のA−A線で切断した断面図である。図26(a)および図26(b)に示すように、半導体チップCHP1、半導体チップCHP2、チップ搭載部TABの一部、リードLD1の一部、複数のリードLD2のそれぞれの一部、クリップCLPおよびワイヤW2を封止して封止体MRを形成する。
その後、図27に示すように、リードフレームLFに設けられているタイバーを切断する。なお、図26(a)および図26(b)に示す封止工程では、押さえピンPNでチップ搭載部TABを押さえ付けながら封止体MRが形成されるため、図27に示すように、封止体MRには、ピン跡PMが形成される。そして、図28に示すように、封止体MRの下面から露出するチップ搭載部TAB、リードLD1の一部の表面、リードLD2の一部の表面に導体膜であるめっき層(錫膜)を形成する。すなわち、リードLD1の封止体MRから露出した部分、複数のリードLD2の封止体MRから露出した部分およびチップ搭載部TABの下面にめっき層を形成する。
そして、樹脂からなる封止体MRの表面に製品名や型番などの情報(マーク)を形成する。なお、マークの形成方法としては、印刷方式により印字する方法やレーザを封止体の表面に照射することによって刻印する方法を用いることができる。
続いて、リードLD1の一部および複数のリードLD2のそれぞれの一部を切断することにより、リードLD1および複数のリードLD2をリードフレームLFから分離する。これにより、本実施の形態1における半導体装置PAC1を製造することができる。その後、リードLD1および複数のリードLD2のそれぞれを成形する。そして、例えば、電気的特性をテストするテスト工程を実施した後、良品と判定された半導体装置PAC1が出荷される(図13参照)。以上のようにして、本実施の形態1における半導体装置PAC1を製造することができる。
ここで、本実施の形態1における半導体装置の製造方法上の特徴点について説明する。本実施の形態1における第1特徴点は、図20に示すように、リードフレームLFに一対の吊り部HLが設けられ、かつ、クリップCLPが本体部BDUと一対の延在部EXUから構成されていることを前提として、一対の延在部EXUが一対の吊り部HL上に搭載されて支持されている点にある。これにより、クリップCLPは、リードLD1上(1点)と一対の吊り部HL上(2点)に搭載されることになり、クリップCLPは、これらの3点で支持されていることになる。すなわち、本実施の形態1における半導体装置の製造方法においては、クリップ搭載工程を実施することによって、半導体チップCHP1および半導体チップCHP2を搭載したチップ搭載部TABとリードフレームLFとは、3点支持構造のクリップCLPによって接続され、一体構造体が形成されることになる。その後、例えば、一体構造体を組立治具から取り出してワイヤボンディング装置へ搬送し、半導体チップCHP1とリードLD2とをワイヤWで接続するワイヤボンディング工程が実施される。このとき、本実施の形態1によれば、半導体チップCHP1および半導体チップCHP2を搭載したチップ搭載部TABとリードフレームLFとは、3点支持構造のクリップCLPによって接続されている。このことから、ワイヤボンディング装置への搬送工程において、一体構造体に衝撃や振動が加わっても、クリップCLPの3点支持構造によって接続強度が向上しているため、クリップCLPと半導体チップCHP1や半導体チップCHP2との接合部分にダメージが加わることを抑制することができるとともに、クリップCLP自体の変形も抑制することができる。この結果、クリップCLPの3点支持構造を実現する本実施の形態1における第1特徴点によれば、半導体装置の製造歩留りを向上することができ、これによって、信頼性の高い半導体装置を製造することができる。
本実施の形態1における半導体装置は、図3に示すインバータ回路INVの構成要素となる1つのIGBTQ1と1つのダイオードFWDとを1パッケージ化したものである。このことから、本実施の形態1における半導体装置を6つ使用することにより、3相のインバータ回路INVとなる電子装置(パワーモジュール)が構成されることになる。以下に、この電子装置の構成について、図面を参照しながら説明する。
次に、実施の形態1の変形例1について説明する。図31は、本変形例1における半導体装置PAC2の外観構成を示す図である。具体的に、図31(a)は、本変形例1における半導体装置PAC2の外観構成を示す上面図であり、図31(b)は、側面図である。
続いて、実施の形態1の変形例2について説明する。図34は、本変形例2における半導体装置PAC3の外観構成を示す図である。具体的に、図34(a)は、本変形例2における半導体装置PAC3の外観構成を示す上面図であり、図34(b)は、側面図である。本変形例2における半導体装置PAC3の構成は、実施の形態1における半導体装置PAC1とほぼ同様の構成をしているため、相違点を中心に説明する。
本実施の形態2は、スイッチトリラクタンスモータ(Switched Reluctance Motor、これ以降は省略してSRモータと呼ぶ)を制御するインバータ回路を含むパワーモジュールに関する技術的思想である。ここで、概念的に、パワーモジュール全体が電子装置に対応し、パワーモジュールを構成する構成部品のうち、半導体チップを含む電子部品が半導体装置に対応する。
図37は、直流電源EとSRモータMTとの間にインバータ回路INVを配置した回路図である。図37に示すように、インバータ回路INVは、直流電源Eと並列接続された第1レグLG1と第2レグLG2と第3レグLG3とを有している。そして、第1レグLG1は、直列接続された上アームUA(U)と下アームBA(U)から構成され、第2レグLG2は、直列接続された上アームUA(V)と下アームBA(V)から構成され、第3レグLG3は、直列接続された上アームUA(W)と下アームBA(W)から構成されている。そして、上アームUA(U)は、IGBTQ1とダイオードFWD1から構成され、かつ、下アームBA(U)は、IGBTQ2とダイオードFWD2から構成されている。このとき、上アームUA(U)のIGBTQ1と、下アームBA(U)のダイオードFWD2は、ともに端子TE(U1)と接続されており、IGBTQ1とダイオードFWD2は直列接続されている。一方、上アームUA(U)のダイオードFWD1と、下アームBA(U)のIGBTQ2は、ともに端子TE(U2)と接続されており、ダイオードFWD1とIGBTQ2は直列接続されている。さらに、端子TE(U1)は、SRモータの端子U´と接続され、かつ、端子TE(U2)は、SRモータの端子Uと接続されている。つまり、インバータ回路INVの端子TE(U1)と端子TE(U2)の間には、SRモータMTの端子Uと端子U´の間に存在するコイルL(U)が接続されていることになる。
図38は、本実施の形態2におけるインバータ回路INVの動作を説明する図である。図38に示すインバータ回路INVは、SRモータMTを回転駆動させるための回路であり、第1レグLG1〜第3レグLG3を有している。このとき、例えば、第1レグLG1は、SRモータMTの端子Uと端子U´との間(U−U´間)に設けられているコイルL(U)に流す電流を制御する回路であり、第2レグLG2は、SRモータMTの端子Vと端子V´との間(V−V´間)に設けられているコイルL(V)に流す電流を制御する回路である。同様に、第3レグLG3は、SRモータMTの端子Wと端子W´との間(W−W´間)に設けられているコイルL(W)に流す電流を制御する回路である。すなわち、図38に示すインバータ回路INVは、第1レグLG1によってコイルL(U)に流れる電流を制御し、かつ、第2レグLG2によってコイルL(V)に流れる電流を制御し、かつ、第3レグLG3によってコイルL(W)に流れる電流を制御することになる。そして、図38に示すインバータ回路INVにおいては、第1レグLG1によるコイルL(U)への電流制御と、第2レグLG2よるコイルL(V)への電流制御と、第3レグLG3によるコイルL(W)への電流制御は、タイミングを変えて同等に行なわれるため、以下では、例えば、第2レグLG2によるコイルL(V)への電流制御を例に挙げて説明する。
次に、本実施の形態2におけるSRモータ用のインバータ回路と、一般的に使用されるPMモータ用のインバータ回路の相違点について説明する。図39は、PMモータ用のインバータ回路と、SRモータ用のインバータ回路との相違点を説明する図である。特に、図39(a)は、PMモータ用のインバータ回路の一部を示す図であり、図39(b)は、SRモータ用のインバータ回路の一部を示す図である。
図40は、本実施の形態2における半導体装置PAC4の外観構成を示す図である。具体的に、図40(a)は、本実施の形態2における半導体装置PAC4の外観構成を示す上面図であり、図40(b)は、側面図であり、図40(c)は、下面図である。
続いて、本実施の形態2における半導体装置の製造方法について、図面を参照しながら説明する。
まず、図42に示すように、チップ搭載部TAB1とチップ搭載部TAB2とを準備する。このチップ搭載部TAB1およびチップ搭載部TAB2のそれぞれは、例えば、矩形形状をしており、銅を主成分とする材料から構成されている。
次に、図43に示すように、チップ搭載部TAB1上およびチップ搭載部TAB2上に、例えば、導電性接着材ADH1を形成する。導電性接着材ADH1には、例えば、銀ペーストや高融点半田を使用することができる。
次に、図45に示すように、リードフレームLFを準備する。ここで、図45に示すように、チップ搭載部TAB1の厚さおよびチップ搭載部TAB2の厚さは、リードフレームLFの厚さよりも厚くなっている。また、リードフレームLFには、リードLD1AとリードLD1Bと複数のリードLD2と一対の支持部SPU1として機能する吊り部HL1と一対の支持部SPU2として機能する吊り部HL2とが形成されている。
続いて、図46に示すように、半導体チップCHP2のアノード電極パッドADP上に、例えば、銀ペーストや高融点半田からなる導電性接着材ADH2を形成する。同様に、半導体チップCHP1のエミッタ電極パッドEP上にも、例えば、銀ペーストや高融点半田からなる導電性接着材ADH2を形成する。さらに、図46に示すように、リードLD1Aの一部領域上およびリードLD1Bの一部領域上にも、例えば、銀ペーストや高融点半田からなる導電性接着材ADH2を形成する。このとき形成される導電性接着材ADH2は、上述した導電性接着材ADH1と同じ材料成分であってもよいし、異なる材料成分であってもよい。
次に、実施の形態2の変形例について説明する。図49は、本変形例における半導体装置PAC5の外観構成を示す図である。具体的に、図49(a)は、本変形例における半導体装置PAC5の外観構成を示す上面図であり、図49(b)は、側面図である。
EXU 延在部
HL 吊り部
LD1 リード
LF リードフレーム
MR 封止体
TAB チップ搭載部
Claims (18)
- (a)チップ搭載部を準備する工程、
(b)リードと吊り部とを有するリードフレームを準備する工程、
(c)本体部と延在部とを有する金属板を準備する工程、
(d)前記チップ搭載部の上面上に、第1導電性接着材を介して、半導体チップを搭載する工程、
(e)前記(d)工程後、前記半導体チップを搭載した前記チップ搭載部の上方に、前記リードフレームを配置する工程、
(f)前記(e)工程後、平面視において、前記半導体チップの電極パッドと前記リードの一部とに重なるように、第2導電性接着材を介して、前記金属板の前記本体部を配置し、かつ、前記リードフレームの前記吊り部上に、前記金属板の前記延在部を配置する工程、
(g)前記(f)工程後、前記半導体チップを封止して封止体を形成する工程、
を備える、半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記(f)工程において、前記金属板の前記延在部は、前記リードフレームの前記吊り部で支持される、半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記(f)工程において、前記金属板の前記延在部は、前記リードフレームの前記吊り部に固定される、半導体装置の製造方法。 - 請求項3に記載の半導体装置の製造方法において、
前記リードフレームの前記吊り部には、切り欠き部が設けられ、
前記金属板の前記延在部には、突起部が設けられ、
前記金属板の前記延在部は、前記突起部を前記切り欠き部に押し当てることにより固定される、半導体装置の製造方法。 - 請求項3に記載の半導体装置の製造方法において、
前記リードフレームの前記吊り部には、溝部が設けられ、
前記金属板の前記延在部には、突起部が設けられ、
前記金属板の前記延在部は、前記突起部を前記溝部内に挿入することにより固定される、半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記(f)工程において、前記金属板の前記延在部は、前記吊り部と前記延在部との交差部によって、前記リードフレームの前記吊り部に支持される、半導体装置の製造方法。 - 請求項6に記載の半導体装置の製造方法において、
前記(g)工程において、前記交差部は、前記封止体の内部に存在する、半導体装置の製造方法。 - 請求項7に記載の半導体装置の製造方法において、
平面視において、前記金属板の前記延在部は、前記チップ搭載部に内包され、
平面視において、前記リードフレームの前記吊り部は、前記チップ搭載部と部分的に重なる、半導体装置の製造方法。 - 請求項8に記載の半導体装置の製造方法において、
前記リードフレームの前記吊り部には、前記チップ搭載部と部分的に重なる部分に、スペースを確保するための屈曲部が形成されている、半導体装置の製造方法。 - 請求項9に記載の半導体装置の製造方法において、
前記(g)工程は、前記チップ搭載部に確保された前記スペースにピンを押し当てた状態で、前記封止体を形成する、半導体装置の製造方法。 - 請求項9に記載の半導体装置の製造方法において、
前記リードフレームは、さらに、信号リードを有し、
前記半導体チップは、さらに、信号電極パッドを有し、
前記(f)工程の後、前記(g)工程の前に、
(h)前記チップ搭載部に確保された前記スペースに治具を押し当てることにより、前記治具で前記チップ搭載部を固定した状態で、前記信号電極パッドと前記信号リードとをワイヤで接続する工程、
を有する、半導体装置の製造方法。 - 請求項6に記載の半導体装置の製造方法において、
前記(g)工程において、前記交差部は、前記封止体の外部に存在する、半導体装置の製造方法。 - 請求項12に記載の半導体装置の製造方法において、
平面視において、前記金属板の前記延在部は、前記チップ搭載部から部分的にはみ出し、
平面視において、前記リードフレームの前記吊り部は、前記チップ搭載部と重ならない、半導体装置の製造方法。 - 請求項13に記載の半導体装置の製造方法において、
前記リードフレームの前記吊り部は、前記リードフレームのフレーム枠である、半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記リードフレームの前記吊り部は、前記リードの延在方向に延在し、
前記金属板の前記延在部は、前記リードの前記延在方向と交差する方向に延在している、半導体装置の製造方法。 - 電極パッドが形成された表面を有する半導体チップ、
前記半導体チップが搭載されたチップ搭載部、
前記半導体チップの前記電極パッドとリードのそれぞれに導電性接着材を介して、電気的に接続された導電性部材、
前記導電性部材を支持する支持部、
前記半導体チップを封止する封止体、
を有し、
前記導電性部材は、本体部と、前記本体部と連なる延在部とを有し、
平面視において、前記導電性部材の前記延在部の一部が、前記支持部に重なるように配置され、
前記支持部と前記延在部とが重なる領域は、前記封止体に内包される、半導体装置。 - 請求項16に記載の半導体装置において、
前記リードの一部分は、前記封止体の第1側面から突出しており、
前記支持部の端部は、前記第1側面から露出している、半導体装置。 - 請求項16に記載の半導体装置において、
前記リードの一部分は、前記封止体の第1側面から突出しており、
前記支持部の端部は、前記第1側面と交差する側面から露出している、半導体装置。
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CN205069623U (zh) | 2016-03-02 |
HK1223192A1 (zh) | 2017-07-21 |
TW201614743A (en) | 2016-04-16 |
CN105470224A (zh) | 2016-04-06 |
US20170103940A1 (en) | 2017-04-13 |
CN105470224B (zh) | 2019-10-08 |
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