JP7459292B2 - 半導体装置および電力変換装置 - Google Patents

半導体装置および電力変換装置 Download PDF

Info

Publication number
JP7459292B2
JP7459292B2 JP2022560592A JP2022560592A JP7459292B2 JP 7459292 B2 JP7459292 B2 JP 7459292B2 JP 2022560592 A JP2022560592 A JP 2022560592A JP 2022560592 A JP2022560592 A JP 2022560592A JP 7459292 B2 JP7459292 B2 JP 7459292B2
Authority
JP
Japan
Prior art keywords
region
insulating film
semiconductor device
outer peripheral
wiring
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
JP2022560592A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022097262A1 (https=
JPWO2022097262A5 (https=
Inventor
洪平 海老原
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
Publication of JPWO2022097262A1 publication Critical patent/JPWO2022097262A1/ja
Publication of JPWO2022097262A5 publication Critical patent/JPWO2022097262A5/ja
Application granted granted Critical
Publication of JP7459292B2 publication Critical patent/JP7459292B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H10D30/665Vertical DMOS [VDMOS] FETs having edge termination structures
    • 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
    • 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] 
    • 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
    • H10D62/80Semiconductor 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
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/111Field plates
    • H10D64/112Field plates comprising multiple field plate segments

Landscapes

  • Electrodes Of Semiconductors (AREA)
JP2022560592A 2020-11-06 2020-11-06 半導体装置および電力変換装置 Active JP7459292B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/041487 WO2022097262A1 (ja) 2020-11-06 2020-11-06 半導体装置および電力変換装置

Publications (3)

Publication Number Publication Date
JPWO2022097262A1 JPWO2022097262A1 (https=) 2022-05-12
JPWO2022097262A5 JPWO2022097262A5 (https=) 2023-01-10
JP7459292B2 true JP7459292B2 (ja) 2024-04-01

Family

ID=81457053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022560592A Active JP7459292B2 (ja) 2020-11-06 2020-11-06 半導体装置および電力変換装置

Country Status (5)

Country Link
US (1) US12464767B2 (https=)
JP (1) JP7459292B2 (https=)
CN (1) CN116368623B (https=)
DE (1) DE112020007758T5 (https=)
WO (1) WO2022097262A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025074874A1 (ja) * 2023-10-05 2025-04-10 ローム株式会社 半導体装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008235331A (ja) 2007-03-16 2008-10-02 Nissan Motor Co Ltd 炭化珪素半導体装置及びその製造方法
WO2010125661A1 (ja) 2009-04-30 2010-11-04 三菱電機株式会社 半導体装置及びその製造方法
JP2013026563A (ja) 2011-07-25 2013-02-04 Mitsubishi Electric Corp 炭化珪素半導体装置
WO2020208761A1 (ja) 2019-04-11 2020-10-15 三菱電機株式会社 半導体装置および電力変換装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5026019B2 (ja) * 2006-08-08 2012-09-12 三菱電機株式会社 薄膜トランジスタ基板、薄膜トランジスタの製造方法、及び表示装置
JP5751763B2 (ja) * 2010-06-07 2015-07-22 三菱電機株式会社 半導体装置
JP5687128B2 (ja) * 2011-05-06 2015-03-18 三菱電機株式会社 半導体装置およびその製造方法
JP5640969B2 (ja) 2011-12-26 2014-12-17 三菱電機株式会社 半導体素子
WO2014087600A1 (ja) 2012-12-04 2014-06-12 株式会社デンソー 半導体装置およびその製造方法
JP6617292B2 (ja) * 2014-05-23 2019-12-11 パナソニックIpマネジメント株式会社 炭化珪素半導体装置
WO2018038133A1 (ja) 2016-08-25 2018-03-01 三菱電機株式会社 炭化珪素半導体装置
US11094790B2 (en) * 2016-09-23 2021-08-17 Mitsubishi Electric Corporation Silicon carbide semiconductor device
US9985125B1 (en) 2016-11-25 2018-05-29 Panasonic Intellectual Property Management Co., Ltd. Silicon carbide semiconductor device
CN110337725B (zh) 2017-02-24 2022-08-05 三菱电机株式会社 碳化硅半导体装置以及电力变换装置
US11355629B2 (en) 2017-03-07 2022-06-07 Mitsubishi Electric Corporation Semiconductor device and power converter
JP7013735B2 (ja) * 2017-09-05 2022-02-01 富士電機株式会社 炭化珪素半導体装置および炭化珪素半導体装置の製造方法
JP7000240B2 (ja) * 2018-04-18 2022-01-19 ルネサスエレクトロニクス株式会社 半導体装置
JP7085959B2 (ja) * 2018-10-22 2022-06-17 三菱電機株式会社 半導体装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008235331A (ja) 2007-03-16 2008-10-02 Nissan Motor Co Ltd 炭化珪素半導体装置及びその製造方法
WO2010125661A1 (ja) 2009-04-30 2010-11-04 三菱電機株式会社 半導体装置及びその製造方法
JP2013026563A (ja) 2011-07-25 2013-02-04 Mitsubishi Electric Corp 炭化珪素半導体装置
WO2020208761A1 (ja) 2019-04-11 2020-10-15 三菱電機株式会社 半導体装置および電力変換装置

Also Published As

Publication number Publication date
DE112020007758T5 (de) 2023-08-17
JPWO2022097262A1 (https=) 2022-05-12
US12464767B2 (en) 2025-11-04
WO2022097262A1 (ja) 2022-05-12
US20230378342A1 (en) 2023-11-23
CN116368623A (zh) 2023-06-30
CN116368623B (zh) 2025-07-29

Similar Documents

Publication Publication Date Title
CN110473903B (zh) 碳化硅半导体装置、电力变换装置以及碳化硅半导体装置的制造方法
JP6870119B2 (ja) 半導体装置および電力変換装置
US20190057873A1 (en) Semiconductor device, method of manufacturing same, and power converter
CN113330579B (zh) 半导体装置以及电力变换装置
JP6995209B2 (ja) 半導体装置および電力変換装置
WO2021240782A1 (ja) 炭化珪素半導体装置、および、電力変換装置
US20230253345A1 (en) Semiconductor device, power conversion apparatus, and method for manufacturing semiconductor device
JP7459292B2 (ja) 半導体装置および電力変換装置
CN115699329B (zh) 半导体装置以及电力变换装置
JP7595771B2 (ja) 半導体装置、電力変換装置および半導体装置の製造方法
JP7607834B1 (ja) 半導体装置、半導体装置の製造方法、及び、電力変換装置
JP7823605B2 (ja) 半導体装置、電力変換装置及び半導体装置の製造方法
JP7371426B2 (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: 20221021

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20221021

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20231107

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231213

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: 20240220

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240319

R150 Certificate of patent or registration of utility model

Ref document number: 7459292

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150