JPWO2015068203A1 - 半導体装置 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 156
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- 239000012535 impurity Substances 0.000 description 15
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Abstract
Description
Claims (5)
- 少なくとも1つのIGBT領域と少なくとも1つのダイオード領域が形成された半導体基板を備えており、
前記IGBT領域は、
第1導電型であり、前記半導体基板の表面に臨む範囲に配置されているエミッタ領域と、
第2導電型であり、前記エミッタ領域を取り囲むと共に前記エミッタ領域に接しているベース領域と、
第1導電型であり、前記ベース領域に対して前記半導体基板の裏面側に位置しており、前記ベース領域によって前記エミッタ領域から分離されている第1ドリフト領域と、
前記ベース領域を貫通して前記第1ドリフト領域にまで延びるトレンチ内に配置され、前記エミッタ領域と前記第1ドリフト領域とを分離している範囲の前記ベース領域と対向しているゲート電極と、
前記ゲート電極と前記トレンチの内壁との間に配置されている絶縁体と、
第2導電型であり、前記半導体基板の裏面に臨む範囲に配置されているコレクタ領域と、を備えており、
前記ダイオード領域は、
第2導電型であり、前記半導体基板の表面に臨む範囲に配置されているアノード領域と、
第1導電型であり、前記アノード領域に対して前記半導体基板の裏面側に位置している第2ドリフト領域と、
第1導電型であり、前記半導体基板の裏面に臨む範囲に配置されているカソード領域と、を備えており、
前記半導体基板を平面視したときに、前記IGBT領域と前記ダイオード領域は互いに隣接しており、
前記半導体基板を平面視したときに、前記コレクタ領域と前記カソード領域とが隣接する第1境界面が、前記半導体基板の表面側において前記IGBT領域と前記ダイオード領域とが隣接する第2境界面に対して、前記カソード領域から前記コレクタ領域に向かう方向又は前記コレクタ領域から前記カソード領域に向かう方向のいずれかにずれていることを特徴とする半導体装置。 - 前記半導体基板を平面視した場合に、前記IGBT領域の面積が前記ダイオード領域の面積より大きいときは、前記第1境界面が、前記第2境界面に対して、前記カソード領域から前記コレクタ領域に向かう方向にずれており、
前記半導体基板を平面視した場合に、前記ダイオード領域の面積が前記IGBT領域の面積より大きいときは、前記第1境界面が、前記第2境界面に対して、前記コレクタ領域から前記カソード領域に向かう方向にずれていることを特徴とする、請求項1に記載の半導体体装置。 - 前記半導体基板を平面視したときに、前記IGBT領域と前記ダイオード領域は矩形状をしており、
前記IGBT領域と前記ダイオード領域は所定の方向に互いに隣接しており、
前記第1境界面と前記第2境界面は、前記所定の方向と直交する方向に延びており、
前記所定の方向における前記IGBT領域の幅が、前記所定の方向における前記ダイオード領域の幅よりも大きい場合には、前記第1境界面が、前記第2境界面に対して、前記カソード領域から前記コレクタ領域に向かう方向に第1の所定の幅だけずれており、
前記所定の方向における前記ダイオード領域の幅が、前記所定の方向における前記IGBT領域の幅よりも大きい場合には、前記第1境界面が、前記第2境界面に対して、前記コレクタ領域から前記カソード領域に向かう方向に第2の所定の幅だけずれていることを特徴とする、請求項2に記載の半導体装置。 - 前記半導体基板を平面視したときに、前記IGBT領域と前記ダイオード領域は矩形状をしており、
前記IGBT領域と前記ダイオード領域は所定の方向に互いに隣接しており、
前記第1境界面と前記第2境界面は、前記所定の方向と直交する方向に延びており、
前記所定の方向における前記IGBT領域の幅が、前記所定の方向における前記ダイオード領域の幅と等しい場合には、前記第1境界面が、前記第2境界面に対して、前記コレクタ領域から前記カソード領域に向かう方向に第3の所定の幅だけずれていることを特徴とする、請求項2に記載の半導体装置。 - 前記IGBT領域と前記ダイオード領域は所定の方向に互いに隣接しており、
前記所定の方向における前記IGBT領域の幅と前記ダイオード領域の幅の比が3:1である場合は、前記第1境界面が、前記第2境界面に対して、前記ダイオード領域の幅の3%〜30%の長さ分、前記カソード領域から前記コレクタ領域に向かう方向にずれていることを特徴とする、請求項2又は3のいずれか1項に記載の半導体装置。
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JP6334465B2 (ja) * | 2015-06-17 | 2018-05-30 | 富士電機株式会社 | 半導体装置 |
JP6428503B2 (ja) * | 2015-06-24 | 2018-11-28 | 株式会社デンソー | 半導体装置 |
WO2017002619A1 (ja) * | 2015-06-30 | 2017-01-05 | 富士電機株式会社 | 半導体装置及びその製造方法 |
DE102015111371B4 (de) | 2015-07-14 | 2017-07-20 | Infineon Technologies Ag | Halbleiterbauelement mit einem schaltbaren und einem nicht schaltbaren Diodengebiet |
JP6443267B2 (ja) * | 2015-08-28 | 2018-12-26 | 株式会社デンソー | 半導体装置 |
JP6281548B2 (ja) * | 2015-09-17 | 2018-02-21 | トヨタ自動車株式会社 | 半導体装置 |
JP6414090B2 (ja) * | 2016-01-27 | 2018-10-31 | 株式会社デンソー | 半導体装置 |
JP6507112B2 (ja) * | 2016-03-16 | 2019-04-24 | 株式会社東芝 | 半導体装置 |
DE112017000297T5 (de) | 2016-08-12 | 2018-11-15 | Fuji Electric Co., Ltd. | Halbleiterbauteil und Herstellungsverfahren eines Halbleiterbauteils |
JP6801324B2 (ja) * | 2016-09-15 | 2020-12-16 | 富士電機株式会社 | 半導体装置 |
JP2018046249A (ja) * | 2016-09-16 | 2018-03-22 | トヨタ自動車株式会社 | 半導体装置 |
JP6589817B2 (ja) * | 2016-10-26 | 2019-10-16 | 株式会社デンソー | 半導体装置 |
JP2018092968A (ja) * | 2016-11-30 | 2018-06-14 | ルネサスエレクトロニクス株式会社 | 半導体装置、rc−igbt及び半導体装置の製造方法 |
DE102016125879B3 (de) * | 2016-12-29 | 2018-06-21 | Infineon Technologies Ag | Halbleitervorrichtung mit einer IGBT-Region und einer nicht schaltbaren Diodenregion |
JP2018152426A (ja) * | 2017-03-10 | 2018-09-27 | 富士電機株式会社 | 半導体装置 |
JP6958011B2 (ja) * | 2017-06-15 | 2021-11-02 | 富士電機株式会社 | 半導体装置および半導体装置の製造方法 |
JP6736531B2 (ja) * | 2017-09-14 | 2020-08-05 | 株式会社東芝 | 半導体装置 |
JP7067041B2 (ja) * | 2017-12-11 | 2022-05-16 | 株式会社デンソー | 半導体装置 |
CN110692140B (zh) | 2017-12-14 | 2023-07-04 | 富士电机株式会社 | 半导体装置 |
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JP7279356B2 (ja) * | 2018-12-19 | 2023-05-23 | 富士電機株式会社 | 半導体装置 |
CN109728085B (zh) * | 2018-12-29 | 2021-10-22 | 安建科技(深圳)有限公司 | 一种逆导型绝缘栅双极性晶体管 |
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JP7192968B2 (ja) | 2019-04-01 | 2022-12-20 | 三菱電機株式会社 | 半導体装置 |
JP7442932B2 (ja) * | 2020-03-09 | 2024-03-05 | 三菱電機株式会社 | 半導体装置 |
JP7296907B2 (ja) * | 2020-03-10 | 2023-06-23 | 株式会社東芝 | 半導体装置 |
DE102020107277A1 (de) * | 2020-03-17 | 2021-09-23 | Infineon Technologies Austria Ag | Rc-igbt |
JP7486373B2 (ja) | 2020-07-29 | 2024-05-17 | 三菱電機株式会社 | 半導体装置 |
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DE112013007576B4 (de) | 2022-02-03 |
CN105706238B (zh) | 2019-03-12 |
US20160247808A1 (en) | 2016-08-25 |
DE112013007576T5 (de) | 2016-08-18 |
WO2015068203A1 (ja) | 2015-05-14 |
CN105706238A (zh) | 2016-06-22 |
JP6056984B2 (ja) | 2017-01-11 |
US9960165B2 (en) | 2018-05-01 |
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