JP6835245B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6835245B2 JP6835245B2 JP2019549800A JP2019549800A JP6835245B2 JP 6835245 B2 JP6835245 B2 JP 6835245B2 JP 2019549800 A JP2019549800 A JP 2019549800A JP 2019549800 A JP2019549800 A JP 2019549800A JP 6835245 B2 JP6835245 B2 JP 6835245B2
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- main electrode
- semiconductor element
- semiconductor
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- semiconductor device
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- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/33—Structure, shape, material or disposition of the layer connectors after the connecting process of a plurality of layer connectors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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- Inverter Devices (AREA)
Description
図1〜図6を参照して本発明の第1実施形態について説明する。図1は、第1実施形態に係る半導体装置に設けられる半導体素子を示す上面図、図2は、図1に示す半導体素子のA−A’断面図、図3は、インバータの一つの相の上アーム、下アームを示す回路図である。図4は、半導体素子に電極を有する基板を設けた構成を示す上面図、図5は、図4のB−B’断面図、図6は、各電極間に流れる電流を示す説明図である。
次に、上述のように構成された第1実施形態に係る半導体装置の作用について説明する。図1に示したように、上アームを構成する2つの半導体素子1a、1bは、互い違いに配置されている。従って、上アームを構成する半導体素子1aと1bの最短距離L1は、上アームを構成する半導体素子1aと下アームを構成する半導体素子2aとの最短距離L2よりも長い。
第1実施形態に係る半導体素子では、以下に示す効果を達成することができる。
次に、図9、図10を参照して、第2実施形態について説明する。図9は、第2実施形態に係る半導体装置の側面方向の断面図、図10は、図9の上面図である。図9に示すように、第2実施形態に係る半導体装置は、第1実施形態と対比して、基板11内に、第1駆動回路層18、及び第2駆動回路層19が設けられている点、及び、2つのドライバIC20、21を設けている点で相違する。それ以外の構成は、第1実施形態で示した図5と同様であるので、同一符号を付して構成説明を省略する。
次に、第3実施形態について説明する。図11は、第3実施形態に係る半導体装置の構成を示す上面図、図12A、図12Bはそれぞれ、半導体装置に用いる縦型の半導体素子の上面図、及び裏面図である。図13は、図11に示すC−C’断面図である。
2、32 下アーム側半導体素子
3 上面電圧印加領域
4 下面電圧印加領域
5 第1主電極
6 第2主電極
7 第3主電極
8 接続ビア
9 アンダーフィル(樹脂)
10 半導体モジュール
11 基板
16 ゲート
17 平面部材
18 第1駆動回路層
19 第2駆動回路層
20 上アーム側ドライバIC(第1ドライバIC)
21 下アーム側ドライバIC(第2ドライバIC)
22 高電位入力端子
23 低電位入力端子
24 出力端子
25 一主面
26 反対主面
33 絶縁基板
Claims (13)
- 平面部材上に直接的または間接的に配置され、互いに時間差をもってオン、オフ動作する上アーム、及び下アームを構成する少なくとも3つの半導体素子を有する半導体装置であって、
前記各半導体素子の、電圧が印加される領域である電圧印加領域は、前記平面部材の法線方向からの平面視で、半導体素子全体の面積よりも狭く、
前記上アーム及び下アームのうちの一方のアームを構成する第1の半導体素子と、前記一方のアームを構成する直近の第2の半導体素子との端部間の最短距離が、
前記第1の半導体素子と、他方のアームを構成する直近の第3の半導体素子との端部間の最短距離、よりも長くなるように、各半導体素子を配置され、
前記上アーム及び下アームは直列接続され、
前記直列接続された上アーム及び下アームの一方の端部に接続され、且つ直流電源の高電位側に接続される第1主電極と、
前記直列接続された上アーム及び下アームの他方の端部に接続され、且つ前記直流電源の低電位側に接続される第2主電極と、
前記上アームと下アームとの接続点に接続される第3主電極と、を有し、
前記各半導体素子の電圧印加領域は、前記第1主電極、前記第2主電極、前記第3主電極のうちの少なくとも2つと接続され、
前記平面部材は、前記半導体素子の前記電圧印加領域が設けられる面とは反対の面に設けられ、且つ、前記第2主電極と電気的に接続されていること
を特徴とする半導体装置。 - 前記上アームを構成する半導体素子、及び下アームを構成する半導体素子は、それぞれ2つ以上設けられ、
前記上アームを構成する半導体素子の端部どうしを最短で結ぶ線は、前記下アームを構成する半導体素子の端部どうしを最短で結ぶ線と交差すること
を特徴とする請求項1に記載の半導体装置。 - 前記上アームを構成する半導体素子、及び前記下アームを構成する半導体素子の少なくとも一方は縦型半導体素子で構成されること
を特徴とする請求項1または2に記載の半導体装置。 - 前記各半導体素子は、横型半導体素子のみで構成され、前記平面部材の同一面上に接して配置されること
を特徴とする請求項1または2に記載の半導体装置。 - 前記平面部材は矩形状をなし、前記第1主電極及び第2主電極は、前記平面部材の一の側辺から外部に引き出され、
前記第3主電極は、前記一の側辺と対向する他の側辺から外部に引き出されること
を特徴とする請求項1〜4のいずれか1項に記載の半導体装置。 - 前記第1主電極、第2主電極、及び第3主電極の、前記平面部材の法線方向からの平面視の面積は、第2主電極、第1主電極、第3主電極の順に大きいこと
を特徴とする請求項1〜4、7のいずれか1項に記載の半導体装置。 - 前記第2主電極は、前記平面部材の法線方向からの平面視で前記第1主電極及び前記第3主電極と重複していること
を特徴とする請求項1〜4、7、8のいずれか1項に記載の半導体装置。 - 前記第1主電極、前記第2主電極、前記第3主電極、及び前記半導体素子は互いに平行に配置され、前記平面部材と平行な方向である側面視で、前記第2主電極と前記半導体素子との間に、前記第1主電極及び第3主電極が設けられていること
を特徴とする請求項1〜4、7〜9のいずれか1項に記載の半導体装置。 - 前記各半導体素子は、接続部を有し、
前記第1主電極、第2主電極、及び第3主電極は、それぞれ当該半導体装置の外部と接続するための接続端子を有し、前記第1主電極、第2主電極、及び第3主電極は、前記半導体素子と接続する接続部からそれぞれの接続端子に到達するまでの電流経路が2以上存在すること
を特徴とする請求項1〜4、7〜10のいずれか1項に記載の半導体装置。 - 前記半導体素子は、2つの接続部を有し、
前記第1主電極、第2主電極は、前記2つの接続部のうち、前記平面部材の外周側となる一方の接続部に接続され、前記第3主電極は他方の接続部に接続されること
を特徴とする請求項1〜4、7〜11のいずれか1項に記載の半導体装置。 - 前記第1主電極、第2主電極、第3主電極、及び前記半導体素子を駆動する駆動回路が同一の基板に設けられること
を特徴とする請求項1〜4、7〜12のいずれか1項に記載の半導体装置。 - 前記基板はプリント基板で構成され、前記プリント基板の一方の面に前記半導体素子が設けられること
を特徴とする請求項13に記載の半導体装置。 - 平面部材上に直接的または間接的に配置され、互いに時間差をもってオン、オフ動作する上アーム、及び下アームを構成する少なくとも3つの半導体素子を有する半導体装置であって、
前記各半導体素子の、電圧が印加される領域である電圧印加領域は、前記平面部材の法線方向からの平面視で、半導体素子全体の面積よりも狭く、
前記上アーム及び下アームのうちの一方のアームを構成する第1の半導体素子と、前記一方のアームを構成する直近の第2の半導体素子との端部間の最短距離が、
前記第1の半導体素子と、他方のアームを構成する直近の第3の半導体素子との端部間の最短距離、よりも長くなるように、各半導体素子を配置され、
前記上アームを構成する半導体素子を駆動する第1ドライバIC、及び、下アームを構成する半導体素子を駆動する第2ドライバICを更に有し、
前記上アームを構成する半導体素子と前記第2ドライバICは、前記平面部材の法線方向からの平面視で重複し、前記下アームを構成する半導体素子と前記第1ドライバICは前記平面視で重複すること
を特徴とする半導体装置。
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