JP7179236B2 - 半導体装置 - Google Patents

半導体装置 Download PDF

Info

Publication number
JP7179236B2
JP7179236B2 JP2022543605A JP2022543605A JP7179236B2 JP 7179236 B2 JP7179236 B2 JP 7179236B2 JP 2022543605 A JP2022543605 A JP 2022543605A JP 2022543605 A JP2022543605 A JP 2022543605A JP 7179236 B2 JP7179236 B2 JP 7179236B2
Authority
JP
Japan
Prior art keywords
vgs
semiconductor device
region
impurity layer
concentration impurity
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
JP2022543605A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022085765A5 (https=
JPWO2022085765A1 (https=
Inventor
朋成 太田
晶英 田口
佑介 中山
浩尚 中村
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.)
Nuvoton Technology Corp Japan
Original Assignee
Nuvoton Technology Corp Japan
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 Nuvoton Technology Corp Japan filed Critical Nuvoton Technology Corp Japan
Publication of JPWO2022085765A1 publication Critical patent/JPWO2022085765A1/ja
Publication of JPWO2022085765A5 publication Critical patent/JPWO2022085765A5/ja
Application granted granted Critical
Publication of JP7179236B2 publication Critical patent/JP7179236B2/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
    • H10D30/668Vertical 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
    • H10D62/10Shapes, 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
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/20Electrodes characterised by their shapes, relative sizes or dispositions 
    • H10D64/23Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
    • H10D64/251Source or drain electrodes for field-effect devices
    • H10D64/252Source or drain electrodes for field-effect devices for vertical or pseudo-vertical devices
    • H10D64/2527Source or drain electrodes for field-effect devices for vertical or pseudo-vertical devices for vertical devices wherein the source or drain electrodes are recessed in semiconductor bodies
    • 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 
    • H10D64/23Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
    • H10D64/251Source or drain electrodes for field-effect devices
    • H10D64/256Source or drain electrodes for field-effect devices for lateral devices wherein the source or drain electrodes are recessed in semiconductor bodies
    • 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
    • H10D64/512Disposition of the gate electrodes, e.g. buried gates
    • H10D64/513Disposition of the gate electrodes, e.g. buried gates within recesses in the substrate, e.g. trench gates, groove gates or buried gates
    • 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 
    • H10D62/152Source regions of DMOS transistors
    • H10D62/154Dispositions
    • 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 

Landscapes

  • Electrodes Of Semiconductors (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
JP2022543605A 2020-10-23 2021-10-21 半導体装置 Active JP7179236B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063104786P 2020-10-23 2020-10-23
US63/104,786 2020-10-23
PCT/JP2021/038941 WO2022085765A1 (ja) 2020-10-23 2021-10-21 半導体装置

Publications (3)

Publication Number Publication Date
JPWO2022085765A1 JPWO2022085765A1 (https=) 2022-04-28
JPWO2022085765A5 JPWO2022085765A5 (https=) 2022-10-05
JP7179236B2 true JP7179236B2 (ja) 2022-11-28

Family

ID=81290674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022543605A Active JP7179236B2 (ja) 2020-10-23 2021-10-21 半導体装置

Country Status (5)

Country Link
US (1) US11735655B2 (https=)
EP (1) EP4187617A4 (https=)
JP (1) JP7179236B2 (https=)
CN (1) CN115956297B (https=)
WO (1) WO2022085765A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12051747B2 (en) * 2022-03-11 2024-07-30 Nuvoton Technology Corporation Japan Semiconductor device
US12550719B2 (en) * 2022-09-15 2026-02-10 International Business Machines Corporation VTFET circuit with optimized output

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007266505A (ja) 2006-03-29 2007-10-11 Toshiba Corp 電力用半導体素子
WO2017099095A1 (ja) 2015-12-11 2017-06-15 富士電機株式会社 半導体装置および製造方法
WO2018123799A1 (ja) 2016-12-27 2018-07-05 パナソニックIpマネジメント株式会社 半導体装置
JP2018152504A (ja) 2017-03-14 2018-09-27 エイブリック株式会社 半導体装置
JP2019201217A (ja) 2014-04-15 2019-11-21 ローム株式会社 半導体装置および半導体装置の製造方法
WO2019244387A1 (ja) 2018-06-19 2019-12-26 パナソニックIpマネジメント株式会社 半導体装置
JP2020077800A (ja) 2018-11-08 2020-05-21 富士電機株式会社 半導体装置
JP2020167337A (ja) 2019-03-29 2020-10-08 ローム株式会社 半導体装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5288653A (en) * 1991-02-27 1994-02-22 Nec Corporation Process of fabricating an insulated-gate field effect transistor
JP2861576B2 (ja) * 1991-02-27 1999-02-24 日本電気株式会社 絶縁ゲート電界効果トランジスタの製造方法
JPH11345969A (ja) * 1998-06-01 1999-12-14 Toshiba Corp 電力用半導体装置
JP2002100770A (ja) * 2000-09-22 2002-04-05 Toshiba Corp 絶縁ゲート型半導体装置
GB0327791D0 (en) * 2003-11-29 2003-12-31 Koninkl Philips Electronics Nv Trench insulated gate field effect transistor
US7372088B2 (en) 2004-01-27 2008-05-13 Matsushita Electric Industrial Co., Ltd. Vertical gate semiconductor device and method for fabricating the same
JP3999225B2 (ja) 2004-01-27 2007-10-31 松下電器産業株式会社 半導体装置およびその製造方法
JP2007311771A (ja) * 2006-04-21 2007-11-29 Sanyo Electric Co Ltd 半導体装置及びその製造方法
JP5013436B2 (ja) * 2009-06-04 2012-08-29 三菱電機株式会社 電力用半導体装置
JP6295444B2 (ja) * 2013-07-16 2018-03-20 パナソニックIpマネジメント株式会社 半導体装置
JP2015162578A (ja) * 2014-02-27 2015-09-07 住友電気工業株式会社 ワイドバンドギャップ半導体装置およびその製造方法
JP6566512B2 (ja) 2014-04-15 2019-08-28 ローム株式会社 半導体装置および半導体装置の製造方法
CN106024609B (zh) * 2016-07-12 2019-03-08 杭州士兰集成电路有限公司 沟槽功率器件及制作方法
CN108780814B (zh) * 2016-09-14 2021-12-21 富士电机株式会社 半导体装置及其制造方法
US10340372B1 (en) * 2017-12-20 2019-07-02 Semiconductor Components Industries, Llc Transistor device having a pillar structure
JP2019161103A (ja) 2018-03-15 2019-09-19 株式会社東芝 半導体装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007266505A (ja) 2006-03-29 2007-10-11 Toshiba Corp 電力用半導体素子
JP2019201217A (ja) 2014-04-15 2019-11-21 ローム株式会社 半導体装置および半導体装置の製造方法
WO2017099095A1 (ja) 2015-12-11 2017-06-15 富士電機株式会社 半導体装置および製造方法
WO2018123799A1 (ja) 2016-12-27 2018-07-05 パナソニックIpマネジメント株式会社 半導体装置
JP2018152504A (ja) 2017-03-14 2018-09-27 エイブリック株式会社 半導体装置
WO2019244387A1 (ja) 2018-06-19 2019-12-26 パナソニックIpマネジメント株式会社 半導体装置
JP2020077800A (ja) 2018-11-08 2020-05-21 富士電機株式会社 半導体装置
JP2020167337A (ja) 2019-03-29 2020-10-08 ローム株式会社 半導体装置

Also Published As

Publication number Publication date
US20230223471A1 (en) 2023-07-13
EP4187617A4 (en) 2024-02-14
WO2022085765A1 (ja) 2022-04-28
CN115956297B (zh) 2023-09-08
JPWO2022085765A1 (https=) 2022-04-28
EP4187617A1 (en) 2023-05-31
CN115956297A (zh) 2023-04-11
US11735655B2 (en) 2023-08-22

Similar Documents

Publication Publication Date Title
JP7561928B2 (ja) 半導体装置
JP4967236B2 (ja) 半導体素子
CN100349302C (zh) 双重扩散型mosfet及其半导体装置
JP7127389B2 (ja) 炭化珪素半導体装置
JP6606007B2 (ja) スイッチング素子
JP2019169597A (ja) 半導体装置
CN105280711A (zh) 电荷补偿结构及用于其的制造
SE454732B (sv) Halvledaranordning
CN111129135A (zh) 半导体装置
CN111092114A (zh) 半导体装置及半导体装置的制造方法
JP5652409B2 (ja) 半導体素子
KR20190002356A (ko) 상이한 게이트 크로싱을 가진 전력 반도체 장치 및 그 제조 방법
JP7179236B2 (ja) 半導体装置
JP2020161712A (ja) 半導体装置
JP2020126932A (ja) トレンチゲート型半導体装置
CN107710401A (zh) 半导体装置
JP2008021981A (ja) 絶縁ゲートバイポーラトランジスタ及びその製造方法
US9698138B2 (en) Power semiconductor device with improved stability and method for producing the same
JP6964564B2 (ja) 半導体装置
JP6182921B2 (ja) Mos型半導体装置
KR102033324B1 (ko) 소스와 드레인에 오버랩된 게이트 구조를 가진 터널링 전계효과 트랜지스터
JP7114824B1 (ja) 半導体装置
CN111066148B (zh) 半导体装置
JPH0888357A (ja) 横型igbt
JPH0612823B2 (ja) 二方向性の電力用高速mosfet素子

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220715

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220715

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20220715

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: 20221101

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20221115

R150 Certificate of patent or registration of utility model

Ref document number: 7179236

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250