JP6784148B2 - 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 - Google Patents

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 Download PDF

Info

Publication number
JP6784148B2
JP6784148B2 JP2016219845A JP2016219845A JP6784148B2 JP 6784148 B2 JP6784148 B2 JP 6784148B2 JP 2016219845 A JP2016219845 A JP 2016219845A JP 2016219845 A JP2016219845 A JP 2016219845A JP 6784148 B2 JP6784148 B2 JP 6784148B2
Authority
JP
Japan
Prior art keywords
buffer layer
layer
impurity concentration
back surface
directly below
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2016219845A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018078216A5 (enExample
JP2018078216A (ja
Inventor
鈴木 健司
健司 鈴木
徹雄 高橋
徹雄 高橋
充 金田
充 金田
龍 上馬場
龍 上馬場
康一 西
康一 西
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2016219845A priority Critical patent/JP6784148B2/ja
Priority to US15/648,062 priority patent/US10347715B2/en
Priority to DE102017219159.7A priority patent/DE102017219159A1/de
Priority to CN201711107493.9A priority patent/CN108074977A/zh
Publication of JP2018078216A publication Critical patent/JP2018078216A/ja
Publication of JP2018078216A5 publication Critical patent/JP2018078216A5/ja
Application granted granted Critical
Publication of JP6784148B2 publication Critical patent/JP6784148B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/26Bombardment with radiation
    • H01L21/263Bombardment with radiation with high-energy radiation
    • H01L21/265Bombardment with radiation with high-energy radiation producing ion implantation
    • H01L21/26586Bombardment with radiation with high-energy radiation producing ion implantation characterised by the angle between the ion beam and the crystal planes or the main crystal surface
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/0445Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
    • H01L21/0455Making n or p doped regions or layers, e.g. using diffusion
    • H01L21/046Making n or p doped regions or layers, e.g. using diffusion using ion implantation
    • H01L21/047Making n or p doped regions or layers, e.g. using diffusion using ion implantation characterised by the angle between the ion beam and the crystal planes or the main crystal surface
    • 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
    • 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
    • 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] 
    • H10D62/106Constructional 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
    • 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] 
    • H10D62/106Constructional 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
    • H10D62/107Buried supplementary regions, e.g. buried guard rings 
    • 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
    • H10D62/13Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
    • H10D62/141Anode or cathode regions of thyristors; Collector or emitter regions of gated bipolar-mode devices, e.g. of IGBTs
    • H10D62/142Anode regions of thyristors or collector regions of gated bipolar-mode devices
    • 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
    • H10D62/60Impurity distributions or concentrations
    • 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
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/26Bombardment with radiation
    • H01L21/263Bombardment with radiation with high-energy radiation
    • H01L21/265Bombardment with radiation with high-energy radiation producing ion implantation
    • H01L21/26506Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/26Bombardment with radiation
    • H01L21/263Bombardment with radiation with high-energy radiation
    • H01L21/265Bombardment with radiation with high-energy radiation producing ion implantation
    • H01L21/26506Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
    • H01L21/26513Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically active species
    • 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
    • H10D62/112Constructional design considerations for preventing surface leakage or controlling electric field concentration for preventing surface leakage due to surface inversion layers, e.g. by using channel stoppers
    • 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
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/20Electrodes characterised by their shapes, relative sizes or dispositions 
    • H10D64/27Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
    • H10D64/311Gate electrodes for field-effect devices
    • H10D64/411Gate electrodes for field-effect devices for FETs
    • H10D64/511Gate electrodes for field-effect devices for FETs for IGFETs
    • H10D64/517Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
    • H10D64/519Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their top-view geometrical layouts

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Electrodes Of Semiconductors (AREA)
JP2016219845A 2016-11-10 2016-11-10 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 Active JP6784148B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2016219845A JP6784148B2 (ja) 2016-11-10 2016-11-10 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
US15/648,062 US10347715B2 (en) 2016-11-10 2017-07-12 Semiconductor device having improved safe operating areas and manufacturing method therefor
DE102017219159.7A DE102017219159A1 (de) 2016-11-10 2017-10-25 Halbleitervorrichtung und Fertigungsverfahren dafür
CN201711107493.9A CN108074977A (zh) 2016-11-10 2017-11-10 半导体装置及其制造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016219845A JP6784148B2 (ja) 2016-11-10 2016-11-10 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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2020136151A Division JP2020182009A (ja) 2020-08-12 2020-08-12 半導体装置およびその製造方法

Publications (3)

Publication Number Publication Date
JP2018078216A JP2018078216A (ja) 2018-05-17
JP2018078216A5 JP2018078216A5 (enExample) 2019-01-10
JP6784148B2 true JP6784148B2 (ja) 2020-11-11

Family

ID=62026390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016219845A Active JP6784148B2 (ja) 2016-11-10 2016-11-10 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

Country Status (4)

Country Link
US (1) US10347715B2 (enExample)
JP (1) JP6784148B2 (enExample)
CN (1) CN108074977A (enExample)
DE (1) DE102017219159A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6964566B2 (ja) * 2018-08-17 2021-11-10 三菱電機株式会社 半導体装置およびその製造方法
JP7268743B2 (ja) 2019-08-09 2023-05-08 富士電機株式会社 半導体装置
CN113767477B (zh) 2019-10-17 2025-03-11 富士电机株式会社 半导体装置和半导体装置的制造方法
JP6981582B2 (ja) * 2019-12-17 2021-12-15 富士電機株式会社 半導体装置
JP7361634B2 (ja) * 2020-03-02 2023-10-16 三菱電機株式会社 半導体装置及び半導体装置の製造方法
DE112020007265T5 (de) * 2020-05-29 2023-03-09 Mitsubishi Electric Corporation Halbleitereinheit und Leistungsvorrichtung
JP7374054B2 (ja) * 2020-08-20 2023-11-06 三菱電機株式会社 半導体装置
JP7567932B2 (ja) * 2020-11-17 2024-10-16 富士電機株式会社 半導体装置の製造方法
JP7415913B2 (ja) * 2020-12-28 2024-01-17 三菱電機株式会社 半導体装置及びその製造方法
CN113054010A (zh) * 2021-02-07 2021-06-29 华为技术有限公司 半导体器件及相关模块、电路、制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4156717B2 (ja) * 1998-01-13 2008-09-24 三菱電機株式会社 半導体装置
WO2007085387A1 (de) * 2006-01-20 2007-08-02 Infineon Technologies Austria Ag Verfahren zur behandlung eines sauerstoff enthaltenden halbleiterwafers und halbleiterbauelement
US7989888B2 (en) * 2006-08-31 2011-08-02 Infineon Technologies Autria AG Semiconductor device with a field stop zone and process of producing the same
JP5150953B2 (ja) 2008-01-23 2013-02-27 三菱電機株式会社 半導体装置
KR101752640B1 (ko) 2009-03-27 2017-06-30 가부시키가이샤 한도오따이 에네루기 켄큐쇼 반도체장치
CN102687277B (zh) * 2009-11-02 2016-01-20 富士电机株式会社 半导体器件以及用于制造半导体器件的方法
JP5609087B2 (ja) 2009-12-04 2014-10-22 富士電機株式会社 内燃機関点火装置用半導体装置
IT1401754B1 (it) * 2010-08-30 2013-08-02 St Microelectronics Srl Dispositivo elettronico integrato e relativo metodo di fabbricazione.
WO2013005304A1 (ja) * 2011-07-05 2013-01-10 三菱電機株式会社 半導体装置
JP5735077B2 (ja) 2013-10-09 2015-06-17 株式会社東芝 半導体装置の製造方法
WO2015114748A1 (ja) * 2014-01-29 2015-08-06 三菱電機株式会社 電力用半導体装置
JP6269858B2 (ja) * 2014-11-17 2018-01-31 富士電機株式会社 炭化珪素半導体装置の製造方法
WO2016147264A1 (ja) * 2015-03-13 2016-09-22 三菱電機株式会社 半導体装置及びその製造方法

Also Published As

Publication number Publication date
DE102017219159A1 (de) 2018-05-17
JP2018078216A (ja) 2018-05-17
US20180130875A1 (en) 2018-05-10
US10347715B2 (en) 2019-07-09
CN108074977A (zh) 2018-05-25

Similar Documents

Publication Publication Date Title
JP6784148B2 (ja) 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
KR102204272B1 (ko) 게이트 트렌치들 및 매립된 종단 구조체들을 갖는 전력 반도체 디바이스들 및 관련 방법들
US10388775B2 (en) Semiconductor device having multiple field stop layers
CN103534811B (zh) 半导体装置及半导体装置的制造方法
JP2022031964A (ja) イオン注入側壁を有するゲート・トレンチを備えるパワー半導体デバイス及び関連方法
CN109103247B (zh) 半导体装置及其制造方法
US10109725B2 (en) Reverse-conducting semiconductor device
CN109585529B (zh) 半导体装置及其制造方法
JP5286706B2 (ja) 電力用半導体装置とその製造方法
JP2019117953A (ja) トレンチゲート型絶縁ゲートバイポーラトランジスタ
WO2017047285A1 (ja) 半導体装置および半導体装置の製造方法
CN105874607A (zh) 半导体装置以及半导体装置的制造方法
JP7271659B2 (ja) 絶縁ゲートパワー半導体装置、およびそのような装置を製造するための方法
JPWO2012056536A1 (ja) 半導体装置および半導体装置の製造方法
KR20160012879A (ko) 반도체 장치
JP3952452B2 (ja) 半導体装置の製造方法
JP2020182009A (ja) 半導体装置およびその製造方法
JP2005252212A (ja) 逆阻止型半導体装置およびその製造方法
CN109564939B (zh) 半导体装置
CN107275395A (zh) 半导体装置及其制造方法
US11107887B2 (en) Semiconductor device
CN113345959B (zh) 半导体装置及半导体装置的制造方法
US11545564B2 (en) Semiconductor device
JP4904635B2 (ja) 半導体装置およびその製造方法
JP2025074268A (ja) 半導体装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20181121

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20181121

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20190830

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20191001

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191119

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20200602

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200812

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20200824

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20200923

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20201006

R150 Certificate of patent or registration of utility model

Ref document number: 6784148

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250