JP2017147300A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- H10D12/411—Insulated-gate bipolar transistors [IGBT]
- H10D12/441—Vertical IGBTs
- H10D12/461—Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions
- H10D12/481—Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions having gate structures on slanted surfaces, on vertical surfaces, or in grooves, e.g. trench gate IGBTs
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- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
- H10D12/01—Manufacture or treatment
- H10D12/031—Manufacture or treatment of IGBTs
- H10D12/032—Manufacture or treatment of IGBTs of vertical IGBTs
- H10D12/038—Manufacture or treatment of IGBTs of vertical IGBTs having a recessed gate, e.g. trench-gate IGBTs
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- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
- H10D62/105—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]
- H10D62/106—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] having supplementary regions doped oppositely to or in rectifying contact with regions of the semiconductor bodies, e.g. guard rings with PN or Schottky junctions
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- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
- H10D62/126—Top-view geometrical layouts of the regions or the junctions
- H10D62/127—Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
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- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
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- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/512—Disposition of the gate electrodes, e.g. buried gates
- H10D64/513—Disposition of the gate electrodes, e.g. buried gates within recesses in the substrate, e.g. trench gates, groove gates or buried gates
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- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/517—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
- H10D64/519—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their top-view geometrical layouts
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- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/101—Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
- H10D84/121—BJTs having built-in components
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- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/83—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge
- H10D62/832—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge being Group IV materials comprising two or more elements, e.g. SiGe
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- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/85—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
- H10D62/8503—Nitride Group III-V materials, e.g. AlN or GaN
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Abstract
Description
[先行技術文献]
[特許文献]
特許文献1 特開2015−181178号公報
特許文献2 特開2005−327806号公報
特許文献3 特開2010−135676号公報
図1は、実施例1に係る半導体装置100の平面図の一例を示す。本例の半導体装置100は、IGBT(Insulated Gate Bipolar Transistor)等のトランジスタを含むトランジスタ部70を有する半導体チップである。また、半導体装置100は、FWD(Free Wheel Diode)等のダイオードを含むダイオード部を有するRC−IGBT(Reverse Conducting−IGBT)であってもよい。図1においてはチップ端部周辺のチップ表面を示しており、他の領域を省略している。
図3は、比較例1に係る半導体装置500の平面図の一例を示す。図4は、比較例1に係る半導体装置500のb−b'断面の一例を示す。
図5は、比較例2に係る半導体装置500の平面図の一例を示す。図6は、比較例2に係る半導体装置500のc−c'断面の一例を示す。
図7は、実施例2に係る半導体装置100の平面図の一例を示す。図8は、実施例2に係る半導体装置100のd−d'断面の一例を示す図である。
Claims (8)
- 半導体基板と、
前記半導体基板に形成された複数のゲートトレンチ部と、
前記半導体基板に形成された複数のエミッタトレンチ部であって、前記複数のゲートトレンチ部のうち隣り合うゲートトレンチ部の間の各々に1以上のエミッタトレンチ部が設けられた、複数のエミッタトレンチ部と
を備え、
前記複数のゲートトレンチ部のうち少なくとも2つのゲートトレンチ部が接続された1組のゲートトレンチ部と、前記複数のエミッタトレンチ部のうち少なくとも2つのエミッタトレンチ部が接続された1組のエミッタトレンチ部との少なくとも一方を有する
半導体装置。 - 前記複数のゲートトレンチ部は、前記複数のゲートトレンチ部の配列方向に均等に形成されている
請求項1に記載の半導体装置。 - 前記1組のゲートトレンチ部は、前記複数のゲートトレンチ部のうち2つのゲートトレンチ部の端部が互いに接続されたループ型構造を有し、
前記1組のエミッタトレンチ部は、前記複数のエミッタトレンチ部のうち2つのエミッタトレンチ部の端部が互いに接続されたループ型構造を有し、
前記1組のエミッタトレンチ部は、平面視で、前記1組のゲートトレンチ部の前記ループ型構造の内側に形成されている
請求項1又は2に記載の半導体装置。 - 前記1組のエミッタトレンチ部は、一の前記1組のゲートトレンチ部と他の前記1組のゲートトレンチ部との間に形成されている
請求項3に記載の半導体装置。 - 前記半導体基板に形成された第1導電型のドリフト領域と、
前記半導体基板であって、前記ドリフト領域の下方に形成された第2導電型のベース領域と
を更に備え、
前記ドリフト領域は、前記ベース領域と接して形成されている
請求項3又は4に記載の半導体装置。 - 前記半導体基板のおもて面において、前記ドリフト領域よりも高濃度である第1導電型のエミッタ領域と、
前記半導体基板のおもて面において、前記ベース領域よりも高濃度である第2導電型のコンタクト領域と
を更に備え、
前記エミッタ領域および前記コンタクト領域は、隣り合う前記ゲートトレンチ部と前記エミッタトレンチ部との間において、前記ゲートトレンチ部と前記エミッタトレンチ部の延伸方向に交互に形成されている
請求項5に記載の半導体装置。 - 前記半導体基板は、前記1組のエミッタトレンチ部の前記ループ型構造の内側において、前記エミッタ領域および前記コンタクト領域を有さない
請求項6に記載の半導体装置。 - 前記1組のエミッタトレンチ部の前記ループ型構造の内側において、前記半導体基板のおもて面を覆う層間絶縁膜を更に備える
請求項3から7のいずれか一項に記載の半導体装置。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016027051A JP6668804B2 (ja) | 2016-02-16 | 2016-02-16 | 半導体装置 |
| US15/390,553 US9825159B2 (en) | 2016-02-16 | 2016-12-26 | Semiconductor device |
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|---|---|---|---|
| JP2016027051A JP6668804B2 (ja) | 2016-02-16 | 2016-02-16 | 半導体装置 |
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| JP2017147300A true JP2017147300A (ja) | 2017-08-24 |
| JP6668804B2 JP6668804B2 (ja) | 2020-03-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021019882A1 (ja) * | 2019-07-31 | 2021-02-04 | 富士電機株式会社 | 半導体装置 |
| US11107910B2 (en) | 2018-02-14 | 2021-08-31 | Fuji Electric Co., Ltd. | Semiconductor device |
| US11380784B2 (en) | 2018-02-14 | 2022-07-05 | Fuji Electric Co., Ltd. | Semiconductor device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016117264B4 (de) | 2016-09-14 | 2020-10-08 | Infineon Technologies Ag | Leistungshalbleiterbauelement mit Steuerbarkeit von dU/dt |
| WO2019017104A1 (ja) * | 2017-07-18 | 2019-01-24 | 富士電機株式会社 | 半導体装置 |
| JP6863479B2 (ja) * | 2017-12-14 | 2021-04-21 | 富士電機株式会社 | 半導体装置およびその製造方法 |
| JP6984732B2 (ja) * | 2018-03-15 | 2021-12-22 | 富士電機株式会社 | 半導体装置 |
| JP7279356B2 (ja) * | 2018-12-19 | 2023-05-23 | 富士電機株式会社 | 半導体装置 |
| JP7724761B2 (ja) * | 2022-10-11 | 2025-08-18 | ウィル セミコンダクター (シャンハイ) カンパニー リミテッド | トレンチゲートタイプigbt |
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| JPH10256545A (ja) * | 1997-03-14 | 1998-09-25 | Toshiba Corp | 半導体装置 |
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| JP5446233B2 (ja) | 2008-12-08 | 2014-03-19 | 株式会社デンソー | 絶縁ゲート型半導体装置の駆動回路およびそれに適した半導体装置 |
| JP2015181178A (ja) | 2015-05-12 | 2015-10-15 | 株式会社東芝 | 半導体装置 |
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2016
- 2016-02-16 JP JP2016027051A patent/JP6668804B2/ja active Active
- 2016-12-26 US US15/390,553 patent/US9825159B2/en active Active
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| JPH10256545A (ja) * | 1997-03-14 | 1998-09-25 | Toshiba Corp | 半導体装置 |
| JP2007266570A (ja) * | 2006-03-02 | 2007-10-11 | Denso Corp | 絶縁ゲート型バイポーラトランジスタ |
| JP2008227251A (ja) * | 2007-03-14 | 2008-09-25 | Mitsubishi Electric Corp | 絶縁ゲート型トランジスタ |
| JP2009206478A (ja) * | 2008-01-28 | 2009-09-10 | Fuji Electric Device Technology Co Ltd | 半導体装置 |
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| JP2015176900A (ja) * | 2014-03-13 | 2015-10-05 | 株式会社東芝 | 半導体装置 |
| WO2015162811A1 (ja) * | 2014-04-21 | 2015-10-29 | 三菱電機株式会社 | 電力用半導体装置 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11107910B2 (en) | 2018-02-14 | 2021-08-31 | Fuji Electric Co., Ltd. | Semiconductor device |
| US11380784B2 (en) | 2018-02-14 | 2022-07-05 | Fuji Electric Co., Ltd. | Semiconductor device |
| US11949005B2 (en) | 2018-02-14 | 2024-04-02 | Fuji Electric Co., Ltd. | Semiconductor device |
| US12342556B2 (en) | 2018-02-14 | 2025-06-24 | Fuji Electric Co., Ltd. | Semiconductor device |
| WO2021019882A1 (ja) * | 2019-07-31 | 2021-02-04 | 富士電機株式会社 | 半導体装置 |
| JPWO2021019882A1 (ja) * | 2019-07-31 | 2021-11-18 | 富士電機株式会社 | 半導体装置 |
| JP7151902B2 (ja) | 2019-07-31 | 2022-10-12 | 富士電機株式会社 | 半導体装置 |
| US12087849B2 (en) | 2019-07-31 | 2024-09-10 | Fuji Electric Co., Ltd. | Semiconductor device |
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| JP6668804B2 (ja) | 2020-03-18 |
| US9825159B2 (en) | 2017-11-21 |
| US20170236926A1 (en) | 2017-08-17 |
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