DE102021119689B4 - Halbleitervorrichtung - Google Patents

Halbleitervorrichtung Download PDF

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Publication number
DE102021119689B4
DE102021119689B4 DE102021119689.2A DE102021119689A DE102021119689B4 DE 102021119689 B4 DE102021119689 B4 DE 102021119689B4 DE 102021119689 A DE102021119689 A DE 102021119689A DE 102021119689 B4 DE102021119689 B4 DE 102021119689B4
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Germany
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DE102021119689.2A
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German (de)
English (en)
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DE102021119689A1 (de
Inventor
Kenji Suzuki
Koichi Nishi
Katsumi Nakamura
Ze Chen
Koji Tanaka
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/01Manufacture or treatment
    • H10D12/031Manufacture or treatment of IGBTs
    • H10D12/032Manufacture or treatment of IGBTs of vertical IGBTs
    • H10D12/038Manufacture or treatment of IGBTs of vertical IGBTs having a recessed gate, e.g. trench-gate IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411Insulated-gate bipolar transistors [IGBT]
    • H10D12/441Vertical IGBTs
    • H10D12/461Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions
    • H10D12/481Vertical 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
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/102Constructional design considerations for preventing surface leakage or controlling electric field concentration
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/124Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
    • H10D62/126Top-view geometrical layouts of the regions or the junctions
    • H10D62/127Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/128Anode regions of diodes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/129Cathode regions of diodes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/50Physical imperfections
    • H10D62/53Physical imperfections the imperfections being within the semiconductor body 
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/60Impurity distributions or concentrations
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/111Field plates
    • H10D64/117Recessed field plates, e.g. trench field plates or buried field plates
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D8/00Diodes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/80Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
    • H10D62/83Semiconductor 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
    • H10D62/8303Diamond
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/80Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
    • H10D62/83Semiconductor 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
    • H10D62/832Semiconductor 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
    • H10D62/8325Silicon carbide
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/80Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
    • H10D62/85Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
    • H10D62/8503Nitride Group III-V materials, e.g. AlN or GaN

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  • Thyristors (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
DE102021119689.2A 2020-08-20 2021-07-29 Halbleitervorrichtung Active DE102021119689B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020139105A JP7374054B2 (ja) 2020-08-20 2020-08-20 半導体装置
JP2020-139105 2020-08-20

Publications (2)

Publication Number Publication Date
DE102021119689A1 DE102021119689A1 (de) 2022-02-24
DE102021119689B4 true DE102021119689B4 (de) 2024-01-04

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Family Applications (1)

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DE102021119689.2A Active DE102021119689B4 (de) 2020-08-20 2021-07-29 Halbleitervorrichtung

Country Status (4)

Country Link
US (1) US11545564B2 (https=)
JP (1) JP7374054B2 (https=)
CN (1) CN114078962B (https=)
DE (1) DE102021119689B4 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023135916A (ja) * 2022-03-16 2023-09-29 富士電機株式会社 半導体装置
JP2023154929A (ja) * 2022-04-08 2023-10-20 富士電機株式会社 窒化物半導体装置及び窒化物半導体装置の製造方法
JP7672366B2 (ja) * 2022-06-27 2025-05-07 三菱電機株式会社 半導体装置
WO2026058799A1 (ja) * 2024-09-11 2026-03-19 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014065080A1 (ja) 2012-10-23 2014-05-01 富士電機株式会社 半導体装置およびその製造方法
WO2016204126A1 (ja) 2015-06-17 2016-12-22 富士電機株式会社 半導体装置
DE102019211745A1 (de) 2018-08-17 2020-02-20 Mitsubishi Electric Corporation Halbleitervorrichtung und deren Herstellungsverfahren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006173297A (ja) * 2004-12-15 2006-06-29 Denso Corp Igbt
US8766413B2 (en) * 2009-11-02 2014-07-01 Fuji Electric Co., Ltd. Semiconductor device and method for manufacturing semiconductor device
US10290711B2 (en) * 2015-01-27 2019-05-14 Mitsubishi Electric Corporation Semiconductor device
WO2017115434A1 (ja) * 2015-12-28 2017-07-06 三菱電機株式会社 半導体装置、半導体装置の製造方法
JP6508099B2 (ja) * 2016-03-18 2019-05-08 三菱電機株式会社 半導体素子
EP3240040A1 (en) * 2016-04-26 2017-11-01 ABB Schweiz AG Insulated gate bipolar transistor and method for manufacturing such an insulated gate bipolar transistor
JP6832094B2 (ja) * 2016-08-05 2021-02-24 ローム株式会社 パワーモジュール及びモータ駆動回路
JP6784148B2 (ja) * 2016-11-10 2020-11-11 三菱電機株式会社 半導体装置、絶縁ゲート型バイポーラトランジスタ、絶縁ゲート型バイポーラトランジスタの製造方法
DE102018123439B4 (de) * 2018-09-24 2020-04-23 Infineon Technologies Ag Leistungshalbleitertransistor, Verfahren zum Verarbeiten eines Leistungshalbleitertransistors und Verfahren zum Produzieren eines Leistungshalbleitertransistors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014065080A1 (ja) 2012-10-23 2014-05-01 富士電機株式会社 半導体装置およびその製造方法
WO2016204126A1 (ja) 2015-06-17 2016-12-22 富士電機株式会社 半導体装置
DE102019211745A1 (de) 2018-08-17 2020-02-20 Mitsubishi Electric Corporation Halbleitervorrichtung und deren Herstellungsverfahren

Also Published As

Publication number Publication date
JP2022035046A (ja) 2022-03-04
US20220059681A1 (en) 2022-02-24
JP7374054B2 (ja) 2023-11-06
CN114078962B (zh) 2024-09-24
US11545564B2 (en) 2023-01-03
DE102021119689A1 (de) 2022-02-24
CN114078962A (zh) 2022-02-22

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