JP2012169385A - 炭化珪素半導体装置 - Google Patents

炭化珪素半導体装置 Download PDF

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Publication number
JP2012169385A
JP2012169385A JP2011027996A JP2011027996A JP2012169385A JP 2012169385 A JP2012169385 A JP 2012169385A JP 2011027996 A JP2011027996 A JP 2011027996A JP 2011027996 A JP2011027996 A JP 2011027996A JP 2012169385 A JP2012169385 A JP 2012169385A
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Japan
Prior art keywords
trench
layer
type
region
deep layer
Prior art date
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Withdrawn
Application number
JP2011027996A
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English (en)
Japanese (ja)
Inventor
Hideo Matsuki
英夫 松木
Kensaku Yamamoto
建策 山本
Masato Noborio
正人 登尾
Masahiro Suzuki
巨裕 鈴木
Hideshi Takatani
秀史 高谷
Masahiro Sugimoto
雅裕 杉本
Jun Morimoto
淳 森本
Shigemasa Soejima
成雅 副島
Takeshi Ishikawa
剛 石川
Yukihiko Watanabe
行彦 渡辺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Toyota Motor Corp
Toyota Central R&D Labs Inc
Original Assignee
Denso Corp
Toyota Motor Corp
Toyota Central R&D Labs Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denso Corp, Toyota Motor Corp, Toyota Central R&D Labs Inc filed Critical Denso Corp
Priority to JP2011027996A priority Critical patent/JP2012169385A/ja
Priority to PCT/JP2012/000767 priority patent/WO2012108165A1/fr
Publication of JP2012169385A publication Critical patent/JP2012169385A/ja
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/64Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/66Vertical DMOS [VDMOS] FETs
    • H10D30/668Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
    • 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
    • H10D30/00Field-effect transistors [FET]
    • H10D30/01Manufacture or treatment
    • H10D30/021Manufacture or treatment of FETs having insulated gates [IGFET]
    • H10D30/028Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
    • H10D30/0291Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
    • H10D30/0297Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs using recessing of the gate electrodes, e.g. to form trench gate electrodes
    • 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
    • H10D62/01Manufacture or treatment
    • H10D62/051Forming charge compensation regions, e.g. superjunctions
    • H10D62/052Forming charge compensation regions, e.g. superjunctions by forming stacked epitaxial layers
    • 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
    • H10D62/17Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
    • H10D62/393Body regions of 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
    • H10D62/80Semiconductor 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
    • 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
    • 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
    • H10D62/103Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
    • H10D62/105Constructional 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] 
    • H10D62/109Reduced surface field [RESURF] PN junction structures
    • H10D62/111Multiple RESURF structures, e.g. double RESURF or 3D-RESURF structures
    • 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
    • H10D62/13Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
    • H10D62/149Source or drain regions of field-effect devices
    • H10D62/151Source or drain regions of field-effect devices of IGFETs 
    • H10D62/156Drain regions of DMOS transistors
    • H10D62/157Impurity concentrations or distributions

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  • Electrodes Of Semiconductors (AREA)
  • Junction Field-Effect Transistors (AREA)
JP2011027996A 2011-02-11 2011-02-11 炭化珪素半導体装置 Withdrawn JP2012169385A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011027996A JP2012169385A (ja) 2011-02-11 2011-02-11 炭化珪素半導体装置
PCT/JP2012/000767 WO2012108165A1 (fr) 2011-02-11 2012-02-06 Dispositif semi-conducteur au carbure de silicium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011027996A JP2012169385A (ja) 2011-02-11 2011-02-11 炭化珪素半導体装置

Publications (1)

Publication Number Publication Date
JP2012169385A true JP2012169385A (ja) 2012-09-06

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JP2011027996A Withdrawn JP2012169385A (ja) 2011-02-11 2011-02-11 炭化珪素半導体装置

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JP (1) JP2012169385A (fr)
WO (1) WO2012108165A1 (fr)

Cited By (27)

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WO2014115253A1 (fr) * 2013-01-23 2014-07-31 株式会社日立製作所 Dispositif à semi-conducteur en carbure de silicium et son procédé de fabrication
JP2014225599A (ja) * 2013-05-17 2014-12-04 トヨタ自動車株式会社 半導体装置
WO2015012009A1 (fr) * 2013-07-26 2015-01-29 住友電気工業株式会社 Dispositif à semi-conducteurs en carbure de silicium et procédé permettant de fabriquer ce dernier
JP2015026723A (ja) * 2013-07-26 2015-02-05 住友電気工業株式会社 炭化珪素半導体装置およびその製造方法
JP2015201617A (ja) * 2014-03-31 2015-11-12 サンケン電気株式会社 半導体装置及びその製造方法
US9425307B2 (en) 2014-09-12 2016-08-23 Kabushiki Kaisha Toshiba Semiconductor device and manufacturing method thereof
JP2017028250A (ja) * 2015-07-16 2017-02-02 富士電機株式会社 半導体装置及びその製造方法
WO2017043606A1 (fr) * 2015-09-09 2017-03-16 住友電気工業株式会社 Dispositif à semi-conducteur de carbure de silicium
WO2017064949A1 (fr) * 2015-10-16 2017-04-20 富士電機株式会社 Dispositif à semi-conducteur et procédé de fabrication d'un dispositif à semi-conducteur
JP2017092368A (ja) * 2015-11-16 2017-05-25 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
JPWO2016129068A1 (ja) * 2015-02-12 2017-06-22 株式会社日立製作所 半導体装置及びその製造方法、電力変換装置、3相モータシステム、自動車並びに鉄道車両
JP2018182313A (ja) * 2017-04-04 2018-11-15 インフィネオン テクノロジーズ アーゲーInfineon Technologies Ag dV/dt可制御性を有するIGBT
JP2018195782A (ja) * 2017-05-22 2018-12-06 株式会社東芝 半導体装置、インバータ回路、駆動装置、車両、及び、昇降機
JP2019016775A (ja) * 2017-07-07 2019-01-31 株式会社デンソー 半導体装置およびその製造方法
WO2019054517A1 (fr) * 2017-09-18 2019-03-21 株式会社デンソー Dispositif à semi-conducteurs et son procédé de fabrication
JP2020017641A (ja) * 2018-07-26 2020-01-30 株式会社東芝 半導体装置、インバータ回路、駆動装置、車両、及び、昇降機
JP2020109808A (ja) * 2019-01-07 2020-07-16 株式会社デンソー 半導体装置
JP2020109793A (ja) * 2019-01-04 2020-07-16 株式会社東芝 半導体装置、インバータ回路、駆動装置、車両、及び、昇降機
JP2020109810A (ja) * 2019-01-07 2020-07-16 株式会社デンソー 半導体装置
JP2020109809A (ja) * 2019-01-07 2020-07-16 株式会社デンソー 半導体装置
JP2020109792A (ja) * 2019-01-04 2020-07-16 株式会社東芝 半導体装置、インバータ回路、駆動装置、車両、及び、昇降機
JP2020127022A (ja) * 2016-09-16 2020-08-20 株式会社東芝 半導体装置
US10763354B2 (en) 2018-07-26 2020-09-01 Kabushiki Kaisha Toshiba Semiconductor device, inverter circuit, driving device, vehicle, and elevator
JP2021072360A (ja) * 2019-10-30 2021-05-06 株式会社デンソー 半導体装置
DE112020006240T5 (de) 2019-12-20 2022-10-06 Sumitomo Electric Industries, Ltd. Siliziumkarbid-Halbleitervorrichtung
JPWO2022244749A1 (fr) * 2021-05-18 2022-11-24
US12408397B2 (en) 2022-03-24 2025-09-02 Kabushiki Kaisha Toshiba Semiconductor device

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CN110212020A (zh) * 2019-05-29 2019-09-06 西安电子科技大学 一种碳化硅单侧深l形基区结构的mosfet器件及其制备方法
EP4483421A1 (fr) * 2022-04-04 2025-01-01 Huawei Digital Power Technologies Co., Ltd. Cellule élémentaire pour un dispositif à semi-conducteur à grille en tranchée, dispositif à semi-conducteur à grille en tranchée et procédé de production d'une telle cellule élémentaire
JP2024031338A (ja) * 2022-08-26 2024-03-07 ソニーグループ株式会社 半導体装置
CN117558761B (zh) * 2024-01-10 2024-04-05 湖北九峰山实验室 一种宽禁带半导体沟槽mosfet器件及其制造方法
EP4704517A1 (fr) * 2024-08-29 2026-03-04 Infineon Technologies Austria AG Dispositif de transistor à semi-conducteur comprenant une structure de tranchée

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JP2004200441A (ja) * 2002-12-19 2004-07-15 Toyota Central Res & Dev Lab Inc 半導体装置とその製造方法
US20080017897A1 (en) * 2006-01-30 2008-01-24 Kabushiki Kaisha Toshiba Semiconductor device and method of manufacturing same
DE102007044209A1 (de) * 2007-09-17 2009-03-19 Infineon Technologies Austria Ag Kompensationsbauelement mit versetzt angeordneten Kompensationszonen
EP2091083A3 (fr) 2008-02-13 2009-10-14 Denso Corporation Dispositif semi-conducteur de carbure de silicium comprenant une couche profonde
JP4793390B2 (ja) 2008-02-13 2011-10-12 株式会社デンソー 炭化珪素半導体装置およびその製造方法

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JP5985662B2 (ja) * 2013-01-23 2016-09-06 株式会社日立製作所 炭化珪素半導体装置及びその製造方法
US9825166B2 (en) 2013-01-23 2017-11-21 Hitachi, Ltd. Silicon carbide semiconductor device and method for producing same
WO2014115253A1 (fr) * 2013-01-23 2014-07-31 株式会社日立製作所 Dispositif à semi-conducteur en carbure de silicium et son procédé de fabrication
JP2014225599A (ja) * 2013-05-17 2014-12-04 トヨタ自動車株式会社 半導体装置
US9614071B2 (en) 2013-05-17 2017-04-04 Toyota Jidosha Kabushiki Kaisha Semiconductor device
JP2015026723A (ja) * 2013-07-26 2015-02-05 住友電気工業株式会社 炭化珪素半導体装置およびその製造方法
JP2015026727A (ja) * 2013-07-26 2015-02-05 住友電気工業株式会社 炭化珪素半導体装置およびその製造方法
US10192960B2 (en) 2013-07-26 2019-01-29 Sumitomo Electric Industries, Ltd. Silicon carbide semiconductor device and method for manufacturing same
WO2015012009A1 (fr) * 2013-07-26 2015-01-29 住友電気工業株式会社 Dispositif à semi-conducteurs en carbure de silicium et procédé permettant de fabriquer ce dernier
US9680006B2 (en) 2013-07-26 2017-06-13 Sumitomo Electric Industries, Ltd. Silicon carbide semiconductor device and method of manufacturing the same
JP2015201617A (ja) * 2014-03-31 2015-11-12 サンケン電気株式会社 半導体装置及びその製造方法
US9425307B2 (en) 2014-09-12 2016-08-23 Kabushiki Kaisha Toshiba Semiconductor device and manufacturing method thereof
JPWO2016129068A1 (ja) * 2015-02-12 2017-06-22 株式会社日立製作所 半導体装置及びその製造方法、電力変換装置、3相モータシステム、自動車並びに鉄道車両
JP2017028250A (ja) * 2015-07-16 2017-02-02 富士電機株式会社 半導体装置及びその製造方法
US10453952B2 (en) 2015-09-09 2019-10-22 Sumitomo Electric Industries, Ltd. Semiconductor device
WO2017043606A1 (fr) * 2015-09-09 2017-03-16 住友電気工業株式会社 Dispositif à semi-conducteur de carbure de silicium
US10424642B2 (en) 2015-09-09 2019-09-24 Sumitomo Electric Industries, Ltd. Silicon carbide semiconductor device
JPWO2017064949A1 (ja) * 2015-10-16 2018-06-14 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
CN108352402A (zh) * 2015-10-16 2018-07-31 富士电机株式会社 半导体装置和半导体装置的制造方法
WO2017064949A1 (fr) * 2015-10-16 2017-04-20 富士電機株式会社 Dispositif à semi-conducteur et procédé de fabrication d'un dispositif à semi-conducteur
US10199493B2 (en) 2015-10-16 2019-02-05 Fuji Electric Co., Ltd. Semiconductor device and method of manufacturing semiconductor device
CN108352402B (zh) * 2015-10-16 2020-12-18 富士电机株式会社 半导体装置和半导体装置的制造方法
US10403749B2 (en) 2015-10-16 2019-09-03 Fuji Electric Co., Ltd. Method of manufacturing semiconductor device
JP2017092368A (ja) * 2015-11-16 2017-05-25 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
JP2020127022A (ja) * 2016-09-16 2020-08-20 株式会社東芝 半導体装置
JP2018182313A (ja) * 2017-04-04 2018-11-15 インフィネオン テクノロジーズ アーゲーInfineon Technologies Ag dV/dt可制御性を有するIGBT
JP7107715B2 (ja) 2017-04-04 2022-07-27 インフィネオン テクノロジーズ アーゲー dV/dt可制御性を有するIGBT
JP2018195782A (ja) * 2017-05-22 2018-12-06 株式会社東芝 半導体装置、インバータ回路、駆動装置、車両、及び、昇降機
JP2019016775A (ja) * 2017-07-07 2019-01-31 株式会社デンソー 半導体装置およびその製造方法
JP2019054174A (ja) * 2017-09-18 2019-04-04 株式会社デンソー 半導体装置およびその製造方法
WO2019054517A1 (fr) * 2017-09-18 2019-03-21 株式会社デンソー Dispositif à semi-conducteurs et son procédé de fabrication
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JP7210182B2 (ja) 2018-07-26 2023-01-23 株式会社東芝 半導体装置、インバータ回路、駆動装置、車両、及び、昇降機
US10763354B2 (en) 2018-07-26 2020-09-01 Kabushiki Kaisha Toshiba Semiconductor device, inverter circuit, driving device, vehicle, and elevator
JP2020109792A (ja) * 2019-01-04 2020-07-16 株式会社東芝 半導体装置、インバータ回路、駆動装置、車両、及び、昇降機
US11276758B2 (en) 2019-01-04 2022-03-15 Kabushiki Kaisha Toshiba Semiconductor device, inverter circuit, driving device, vehicle, and elevator having a reduced on-resistance with a silicon carbide layer
JP2020109793A (ja) * 2019-01-04 2020-07-16 株式会社東芝 半導体装置、インバータ回路、駆動装置、車両、及び、昇降機
US11276774B2 (en) 2019-01-04 2022-03-15 Kabushiki Kaisha Toshiba Semiconductor device, inverter circuit, driving device, vehicle, and elevator
JP2020109808A (ja) * 2019-01-07 2020-07-16 株式会社デンソー 半導体装置
JP7206919B2 (ja) 2019-01-07 2023-01-18 株式会社デンソー 半導体装置
JP7095604B2 (ja) 2019-01-07 2022-07-05 株式会社デンソー 半導体装置
JP2020109810A (ja) * 2019-01-07 2020-07-16 株式会社デンソー 半導体装置
JP7127546B2 (ja) 2019-01-07 2022-08-30 株式会社デンソー 半導体装置
JP2020109809A (ja) * 2019-01-07 2020-07-16 株式会社デンソー 半導体装置
JP7251447B2 (ja) 2019-10-30 2023-04-04 株式会社デンソー 半導体装置
JP2021072360A (ja) * 2019-10-30 2021-05-06 株式会社デンソー 半導体装置
DE112020006240T5 (de) 2019-12-20 2022-10-06 Sumitomo Electric Industries, Ltd. Siliziumkarbid-Halbleitervorrichtung
US12295158B2 (en) 2019-12-20 2025-05-06 Sumitomo Electric Industries, Ltd. Silicon carbide semiconductor device
WO2022244749A1 (fr) * 2021-05-18 2022-11-24 富士電機株式会社 Dispositif à semi-conducteur en carbure de silicium
JPWO2022244749A1 (fr) * 2021-05-18 2022-11-24
JP7561316B2 (ja) 2021-05-18 2024-10-04 富士電機株式会社 炭化珪素半導体装置
US12408397B2 (en) 2022-03-24 2025-09-02 Kabushiki Kaisha Toshiba Semiconductor device

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