JPWO2023286235A1 - - Google Patents

Info

Publication number
JPWO2023286235A1
JPWO2023286235A1 JP2023534538A JP2023534538A JPWO2023286235A1 JP WO2023286235 A1 JPWO2023286235 A1 JP WO2023286235A1 JP 2023534538 A JP2023534538 A JP 2023534538A JP 2023534538 A JP2023534538 A JP 2023534538A JP WO2023286235 A1 JPWO2023286235 A1 JP WO2023286235A1
Authority
JP
Japan
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.)
Granted
Application number
JP2023534538A
Other languages
Japanese (ja)
Other versions
JP7625086B2 (ja
JPWO2023286235A5 (https=
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 filed Critical
Publication of JPWO2023286235A1 publication Critical patent/JPWO2023286235A1/ja
Publication of JPWO2023286235A5 publication Critical patent/JPWO2023286235A5/ja
Application granted granted Critical
Publication of JP7625086B2 publication Critical patent/JP7625086B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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]
    • 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
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • 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
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/01Manufacture or treatment
    • H10D62/051Forming charge compensation regions, e.g. superjunctions
    • H10D62/058Forming charge compensation regions, e.g. superjunctions by using trenches, e.g. implanting into sidewalls of trenches or refilling trenches
    • 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
    • H10D62/80Semiconductor 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
JP2023534538A 2021-07-15 2021-07-15 炭化珪素半導体装置および電力変換装置 Active JP7625086B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/026592 WO2023286235A1 (ja) 2021-07-15 2021-07-15 炭化珪素半導体装置および電力変換装置

Publications (3)

Publication Number Publication Date
JPWO2023286235A1 true JPWO2023286235A1 (https=) 2023-01-19
JPWO2023286235A5 JPWO2023286235A5 (https=) 2023-09-25
JP7625086B2 JP7625086B2 (ja) 2025-01-31

Family

ID=84919774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023534538A Active JP7625086B2 (ja) 2021-07-15 2021-07-15 炭化珪素半導体装置および電力変換装置

Country Status (5)

Country Link
US (1) US20240290830A1 (https=)
JP (1) JP7625086B2 (https=)
CN (1) CN117693822A (https=)
DE (1) DE112021007977T5 (https=)
WO (1) WO2023286235A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025158774A (ja) * 2024-04-05 2025-10-17 富士電機株式会社 半導体装置
CN120111920B (zh) * 2025-02-25 2026-04-17 中国科学院微电子研究所 一种抗辐射加固设计的四端子SiC MOSFET器件及其制造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003229569A (ja) * 2002-01-31 2003-08-15 Fuji Electric Co Ltd 超接合半導体素子の製造方法
JP2004356577A (ja) * 2003-05-30 2004-12-16 Denso Corp 半導体装置の製造方法および半導体基板ならびにそれらにより製造される半導体装置
JP2008159601A (ja) * 2005-11-28 2008-07-10 Fuji Electric Device Technology Co Ltd 半導体装置および半導体装置の製造方法
JP2008283151A (ja) * 2007-05-14 2008-11-20 Denso Corp 半導体装置およびその製造方法
JP2019510376A (ja) * 2016-03-22 2019-04-11 ゼネラル・エレクトリック・カンパニイ 高速スイッチング機能を有する超接合パワー半導体デバイス

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6377302U (https=) 1986-11-07 1988-05-23

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003229569A (ja) * 2002-01-31 2003-08-15 Fuji Electric Co Ltd 超接合半導体素子の製造方法
JP2004356577A (ja) * 2003-05-30 2004-12-16 Denso Corp 半導体装置の製造方法および半導体基板ならびにそれらにより製造される半導体装置
JP2008159601A (ja) * 2005-11-28 2008-07-10 Fuji Electric Device Technology Co Ltd 半導体装置および半導体装置の製造方法
JP2008283151A (ja) * 2007-05-14 2008-11-20 Denso Corp 半導体装置およびその製造方法
JP2019510376A (ja) * 2016-03-22 2019-04-11 ゼネラル・エレクトリック・カンパニイ 高速スイッチング機能を有する超接合パワー半導体デバイス

Also Published As

Publication number Publication date
DE112021007977T5 (de) 2024-05-02
JP7625086B2 (ja) 2025-01-31
US20240290830A1 (en) 2024-08-29
CN117693822A (zh) 2024-03-12
WO2023286235A1 (ja) 2023-01-19

Similar Documents

Publication Publication Date Title
BR112023005462A2 (https=)
BR112023012656A2 (https=)
BR112021014123A2 (https=)
BR112023009656A2 (https=)
BR112022009896A2 (https=)
BR112021017747A2 (https=)
BR112022024743A2 (https=)
BR112022026905A2 (https=)
JPWO2023286235A1 (https=)
BR112023011738A2 (https=)
BR112023004146A2 (https=)
BR112023006729A2 (https=)
BR102021018859A2 (https=)
BR102021007058A2 (https=)
BR112023016292A2 (https=)
BR112023011610A2 (https=)
BR112023011539A2 (https=)
BR112023008976A2 (https=)
BR102021020147A2 (https=)
BR102021018926A2 (https=)
BR102021018167A2 (https=)
BR102021017576A2 (https=)
BR102021016837A2 (https=)
BR102021016551A2 (https=)
BR102021015220A2 (https=)

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230630

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230630

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240820

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20241007

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: 20241224

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250121

R150 Certificate of patent or registration of utility model

Ref document number: 7625086

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150