JP5981659B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP5981659B2 JP5981659B2 JP2015533804A JP2015533804A JP5981659B2 JP 5981659 B2 JP5981659 B2 JP 5981659B2 JP 2015533804 A JP2015533804 A JP 2015533804A JP 2015533804 A JP2015533804 A JP 2015533804A JP 5981659 B2 JP5981659 B2 JP 5981659B2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/393—Body regions of DMOS transistors or IGBTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D8/00—Diodes
- H10D8/60—Schottky-barrier diodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- 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
- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
- H10D84/811—Combinations of field-effect devices and one or more diodes, capacitors or resistors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/141—Anode or cathode regions of thyristors; Collector or emitter regions of gated bipolar-mode devices, e.g. of IGBTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/141—Anode or cathode regions of thyristors; Collector or emitter regions of gated bipolar-mode devices, e.g. of IGBTs
- H10D62/142—Anode regions of thyristors or collector regions of gated bipolar-mode devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/111—Field plates
- H10D64/117—Recessed field plates, e.g. trench field plates or buried field plates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/64—Electrodes comprising a Schottky barrier to a semiconductor
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- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
Description
Claims (4)
- 同一の半導体基板にダイオード領域およびIGBT領域を備えている半導体装置であり、
前記ダイオード領域が、カソード電極と、第1導電型の半導体からなるカソード領域と、低濃度の第1導電型の半導体からなる第1ドリフト領域と、第2導電型の半導体からなる下部アノード領域と、第2導電型の半導体からなる上部アノード領域と、金属からなるアノード電極と、前記下部アノード領域と前記上部アノード領域の間に形成された、前記ドリフト領域よりも濃度が高い第1導電型の半導体からなる第1バリア領域と、前記第1バリア領域と前記アノード電極を接続するように形成された、前記バリア領域よりも濃度が高い第1導電型の半導体からなる第1ピラー領域と、を備えており、
前記第1ピラー領域と前記アノード電極がショットキー接合しており、
前記IGBT領域が、コレクタ電極と、第2導電型の半導体からなるコレクタ領域と、前記第1ドリフト領域から連続しており、低濃度の第1導電型の半導体からなる第2ドリフト領域と、第2導電型の半導体からなる下部ボディ領域と、第2導電型の半導体からなる上部ボディ領域と、第1導電型の半導体からなるエミッタ領域と、金属からなるエミッタ電極と、前記エミッタ領域と前記第2ドリフト領域の間の前記上部ボディ領域及び下部ボディ領域に対して絶縁膜を挟んで対向するゲート電極と、前記下部ボディ領域と前記上部ボディ領域の間に形成された、前記第2ドリフト領域よりも濃度が高い第1導電型の半導体からなる第2バリア領域と、前記第2バリア領域と前記エミッタ電極を接続するように形成された、前記第2バリア領域よりも濃度が高い第1導電型の半導体からなる第2ピラー領域と、を備えており、
前記第2ピラー領域と前記エミッタ電極がショットキー接合しており、
前記半導体装置がダイオードとして作動するときの前記エミッタ電極と前記第2バリア領域との間の第2ピラー領域の抵抗値が、前記アノード電極と前記第1バリア領域との間の第1ピラー領域の抵抗値より小さい、半導体装置。 - 前記第2ピラー領域と前記エミッタ電極との接合面の面積が、前記第1ピラー領域と前記アノード電極との接合面の面積より大きい、請求項1に記載の半導体装置。
- 前記第2ピラー領域の不純物濃度が、前記第1ピラー領域の不純物濃度より高い、請求項1又は2に記載の半導体装置。
- 前記カソード電極と前記アノード電極の間、及び、前記コレクタ電極と前記エミッタ電極の間に電圧が印加されていない状態において、前記エミッタ電極と前記第2バリア領域との間における正孔の量が、前記アノード電極と前記第1バリア領域との間における正孔の量より少ない、請求項1から3のいずれかに記載の半導体装置。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2013/072751 WO2015029116A1 (ja) | 2013-08-26 | 2013-08-26 | 半導体装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP5981659B2 true JP5981659B2 (ja) | 2016-08-31 |
| JPWO2015029116A1 JPWO2015029116A1 (ja) | 2017-03-02 |
Family
ID=52585736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015533804A Active JP5981659B2 (ja) | 2013-08-26 | 2013-08-26 | 半導体装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9508710B2 (ja) |
| JP (1) | JP5981659B2 (ja) |
| CN (1) | CN105556668B (ja) |
| DE (1) | DE112013007363B4 (ja) |
| WO (1) | WO2015029116A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016164952A (ja) * | 2015-03-06 | 2016-09-08 | トヨタ自動車株式会社 | 半導体装置 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5918288B2 (ja) | 2014-03-03 | 2016-05-18 | トヨタ自動車株式会社 | 半導体装置 |
| JP6003961B2 (ja) * | 2014-11-04 | 2016-10-05 | トヨタ自動車株式会社 | 半導体装置 |
| JP6063915B2 (ja) | 2014-12-12 | 2017-01-18 | 株式会社豊田中央研究所 | 逆導通igbt |
| JP6641983B2 (ja) * | 2015-01-16 | 2020-02-05 | 株式会社デンソー | 半導体装置 |
| CN104966730B (zh) * | 2015-05-14 | 2018-01-12 | 湖南大学 | 肖特基势垒高电流密度igbt器件 |
| JP6185511B2 (ja) * | 2015-05-26 | 2017-08-23 | トヨタ自動車株式会社 | 半導体装置 |
| JP6274154B2 (ja) * | 2015-05-27 | 2018-02-07 | トヨタ自動車株式会社 | 逆導通igbt |
| JP6281548B2 (ja) * | 2015-09-17 | 2018-02-21 | トヨタ自動車株式会社 | 半導体装置 |
| JP6643382B2 (ja) * | 2017-03-20 | 2020-02-12 | インフィニオン テクノロジーズ オーストリア アーゲーInfineon Technologies Austria AG | パワー半導体デバイス |
| JP6852541B2 (ja) * | 2017-04-20 | 2021-03-31 | 株式会社デンソー | 半導体装置 |
| US10847617B2 (en) | 2017-12-14 | 2020-11-24 | Fuji Electric Co., Ltd. | Semiconductor device |
| US10608122B2 (en) * | 2018-03-13 | 2020-03-31 | Semicondutor Components Industries, Llc | Schottky device and method of manufacture |
| JP7528743B2 (ja) * | 2020-11-27 | 2024-08-06 | 三菱電機株式会社 | 半導体装置 |
| US20230369475A1 (en) * | 2022-05-13 | 2023-11-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Insulated-gate bipolar transistor (igbt) device with 3d isolation |
| JP2024098293A (ja) * | 2023-01-10 | 2024-07-23 | 株式会社デンソー | 半導体装置 |
| CN116632053B (zh) * | 2023-07-25 | 2024-01-30 | 深圳市美浦森半导体有限公司 | 一种rc-igbt器件的控制方法 |
| WO2025134384A1 (ja) * | 2023-12-22 | 2025-06-26 | サンケン電気株式会社 | 半導体装置及び電子機器 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6774434B2 (en) * | 2001-11-16 | 2004-08-10 | Koninklijke Philips Electronics N.V. | Field effect device having a drift region and field shaping region used as capacitor dielectric |
| JP5636808B2 (ja) * | 2010-08-17 | 2014-12-10 | 株式会社デンソー | 半導体装置 |
| US8716746B2 (en) | 2010-08-17 | 2014-05-06 | Denso Corporation | Semiconductor device |
| WO2013014943A2 (en) * | 2011-07-27 | 2013-01-31 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Diode, semiconductor device, and mosfet |
| JP2013051345A (ja) | 2011-08-31 | 2013-03-14 | Toyota Central R&D Labs Inc | ダイオード、半導体装置およびmosfet |
| JP5706275B2 (ja) * | 2011-08-31 | 2015-04-22 | 株式会社豊田中央研究所 | ダイオード、半導体装置およびmosfet |
| JP5511019B2 (ja) * | 2011-11-04 | 2014-06-04 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
| JP5918288B2 (ja) * | 2014-03-03 | 2016-05-18 | トヨタ自動車株式会社 | 半導体装置 |
-
2013
- 2013-08-26 JP JP2015533804A patent/JP5981659B2/ja active Active
- 2013-08-26 US US14/901,579 patent/US9508710B2/en active Active
- 2013-08-26 CN CN201380079133.6A patent/CN105556668B/zh active Active
- 2013-08-26 DE DE112013007363.3T patent/DE112013007363B4/de active Active
- 2013-08-26 WO PCT/JP2013/072751 patent/WO2015029116A1/ja not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016164952A (ja) * | 2015-03-06 | 2016-09-08 | トヨタ自動車株式会社 | 半導体装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9508710B2 (en) | 2016-11-29 |
| WO2015029116A1 (ja) | 2015-03-05 |
| JPWO2015029116A1 (ja) | 2017-03-02 |
| DE112013007363T5 (de) | 2016-06-09 |
| US20160268252A1 (en) | 2016-09-15 |
| CN105556668B (zh) | 2017-09-01 |
| DE112013007363B4 (de) | 2017-02-02 |
| CN105556668A (zh) | 2016-05-04 |
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