JP2011029492A - 電力用半導体装置 - Google Patents
電力用半導体装置 Download PDFInfo
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
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- H01L2224/45001—Core members of the connector
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- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
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- H01L2224/481—Disposition
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
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- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
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- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1305—Bipolar Junction Transistor [BJT]
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Abstract
【解決手段】電力用半導体装置100は、第1のリード21に形成された第1のダイパッド部21a上に載置され、表面上にゲート電極が形成された電力用半導体素子50と、第2のリード22に形成された第2のダイパッド部22a上に載置され、表面上に複数のワイヤパッドが形成された第1の制御用半導体素子30と、この第1の制御用半導体素子30の表面積内に絶縁性材料74を介して載置され、表面に複数のワイヤパッドが形成された第2の制御用半導体素子40とを備え、電力用半導体素子50と第2の制御用半導体素子40とを金属線94で電気的に直接接続したものである。
【選択図】図2
Description
例えば、特許文献1には、半導体素子を積層した半導体装置として、長方形からなる2つの半導体素子を長辺が互いに直交するように積層し、互いに他方の半導体素子の両端をオーバーハングさせたものが記載されている。この半導体装置では、ワイヤボンド時に上記オーバーハング部を治具で支えるため、一定量以上のオーバーハング量が必要とされている。
図1(a)〜(d)は、それぞれこの発明の実施の形態1における電力用半導体装置を示す平面図、正面図、背面図および側面図であり、図2は図1のI−I線における断面図である。図3および図4は、この発明の実施の形態1における電力用半導体装置の要部を拡大して示す平面図である。また、図5は従来の電力用半導体装置を示す平面図であり、図6はこの発明の実施の形態1における電力用半導体装置の要部を、従来の電力用半導体装置と比較して示す平面図である。
図7(a)〜(d)は、それぞれこの発明の実施の形態2における電力用半導体装置を示す平面図、正面図、背面図および側面図であり、図8は図7のI−I線における断面図である。また、図9ないし図12は、この発明の実施の形態2における電力用半導体装置の要部を拡大して示す平面図である。
そこでさらなる小型化、高信頼化のために改良したものが図7および図8に示す電力用半導体装置200である。
Claims (7)
- モールド樹脂から複数のリードが突出した電力用半導体装置であって、
第1のダイパッド部が形成された第1のリードと、
前記第1のリードと並置して設けられ、第2のダイパッド部が形成された第2のリードと、
前記第1のダイパッド部の第1面に載置され、表面にゲート電極が形成された電力用半導体素子と、
前記第2のダイパッド部の第1面に載置され、表面に複数のワイヤパッドが形成された第1の制御用半導体素子と、
前記第1の制御用半導体素子の表面積内に絶縁性材料を介して載置され、表面に複数のワイヤパッドが形成された第2の制御用半導体素子と、
前記電力用半導体素子と前記第2の制御用半導体素子とを電気的に直接接続する金属線と
を備えた電力用半導体装置。 - 前記第2の制御用半導体素子は、その中心が前記第1の制御用半導体素子の中心に対して、前記電力用半導体素子側にあることを特徴とする請求項1に記載の電力用半導体装置。
- 前記第1の制御用半導体素子のワイヤパッドは、前記電力用半導体素子と前記第2の制御用半導体素子との間を除いて設けたことを特徴とする請求項1または請求項2に記載の電力用半導体装置。
- 前記第1および第2のダイパッド部は、前記第1のダイパッド部に平行な投影面上で互いに隣接することを特徴とする請求項1ないし請求項3のいずれか1項に記載の電力用半導体装置。
- 前記金属線は、前記第1の制御用半導体素子と前記リードとを電気的に接続する金属線、前記第1の制御用半導体素子と前記第2の制御用半導体素子とを電気的に接続する金属線、および前記第2の制御用半導体素子と前記リードと電気的に接続する金属線のいずれよりも直径が大きいことを特徴とする請求項1ないし請求項4のいずれか1項に記載の電力用半導体装置。
- 裏面が前記モールド樹脂から露出するように設けられた放熱板をさらに備え、
前記第1のダイパッド部の第1面と対向する第2面が絶縁性材料を介して前記放熱板の表面と接するように設けられ、
前記第2のダイパッド部の第1面と対向する第2面が前記モールド樹脂に覆われるように設けられたことを特徴とする請求項1ないし請求項5のいずれか1項に記載の電力用半導体装置。 - 前記第2の制御用半導体素子の四辺のうち、前記電力用半導体素子側の辺が、前記第1の制御用半導体素子の四辺のうち前記電力用半導体素子側の辺上に位置することを特徴とする請求項2ないし請求項6のいずれか1項に記載の電力用半導体装置。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012182250A (ja) * | 2011-02-28 | 2012-09-20 | Sanken Electric Co Ltd | 半導体装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007096071A (ja) * | 2005-09-29 | 2007-04-12 | Toshiba Corp | 半導体メモリカード |
JP2008078367A (ja) * | 2006-09-21 | 2008-04-03 | Renesas Technology Corp | 半導体装置 |
JP2008300713A (ja) * | 2007-06-01 | 2008-12-11 | Mitsubishi Electric Corp | 放熱用部材の製造方法および放熱用部材を用いた半導体装置 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007096071A (ja) * | 2005-09-29 | 2007-04-12 | Toshiba Corp | 半導体メモリカード |
JP2008078367A (ja) * | 2006-09-21 | 2008-04-03 | Renesas Technology Corp | 半導体装置 |
JP2008300713A (ja) * | 2007-06-01 | 2008-12-11 | Mitsubishi Electric Corp | 放熱用部材の製造方法および放熱用部材を用いた半導体装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012182250A (ja) * | 2011-02-28 | 2012-09-20 | Sanken Electric Co Ltd | 半導体装置 |
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