KR100510096B1 - 트렌치-게이트형 파워 mosfet - Google Patents

트렌치-게이트형 파워 mosfet Download PDF

Info

Publication number
KR100510096B1
KR100510096B1 KR1019980042470A KR19980042470A KR100510096B1 KR 100510096 B1 KR100510096 B1 KR 100510096B1 KR 1019980042470 A KR1019980042470 A KR 1019980042470A KR 19980042470 A KR19980042470 A KR 19980042470A KR 100510096 B1 KR100510096 B1 KR 100510096B1
Authority
KR
South Korea
Prior art keywords
mosfet
diode
cell
trench
gate
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.)
Expired - Fee Related
Application number
KR1019980042470A
Other languages
English (en)
Korean (ko)
Other versions
KR19990037016A (ko
Inventor
웨인 비. 그래보우스키
리차드 케이. 윌리암스
모하메드 엔. 다위쉬
Original Assignee
실리코닉스 인코퍼레이티드
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
Priority claimed from US08/962,867 external-priority patent/US6140678A/en
Application filed by 실리코닉스 인코퍼레이티드 filed Critical 실리코닉스 인코퍼레이티드
Publication of KR19990037016A publication Critical patent/KR19990037016A/ko
Application granted granted Critical
Publication of KR100510096B1 publication Critical patent/KR100510096B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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]
    • H10D30/63Vertical IGFETs
    • 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
    • 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
    • H10D84/00Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/101Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
    • H10D84/141VDMOS having built-in components
    • H10D84/148VDMOS having built-in components the built-in components being breakdown diodes, e.g. Zener diodes

Landscapes

  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
KR1019980042470A 1997-10-31 1998-10-07 트렌치-게이트형 파워 mosfet Expired - Fee Related KR100510096B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US96164297A 1997-10-31 1997-10-31
US8/961,642 1997-10-31
US08/961,642 1997-10-31
US8/962,867 1997-11-03
US08/962,867 1997-11-03
US08/962,867 US6140678A (en) 1995-06-02 1997-11-03 Trench-gated power MOSFET with protective diode

Publications (2)

Publication Number Publication Date
KR19990037016A KR19990037016A (ko) 1999-05-25
KR100510096B1 true KR100510096B1 (ko) 2006-02-28

Family

ID=27130427

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019980042470A Expired - Fee Related KR100510096B1 (ko) 1997-10-31 1998-10-07 트렌치-게이트형 파워 mosfet

Country Status (3)

Country Link
JP (1) JP4796220B2 (https=)
KR (1) KR100510096B1 (https=)
TW (1) TW410479B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101338460B1 (ko) 2012-11-15 2013-12-10 현대자동차주식회사 반도체 소자의 제조 방법
US9887286B2 (en) 2014-12-12 2018-02-06 Hyundai Motor Company Semiconductor device having low impedance and method of manufacturing the same

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010008176A (ko) * 2000-11-14 2001-02-05 최돈수 유기물의 전기화학적 분석방법
JP4799829B2 (ja) * 2003-08-27 2011-10-26 三菱電機株式会社 絶縁ゲート型トランジスタ及びインバータ回路
JP4609656B2 (ja) * 2005-12-14 2011-01-12 サンケン電気株式会社 トレンチ構造半導体装置
JP2007317683A (ja) * 2006-05-23 2007-12-06 Shindengen Electric Mfg Co Ltd 半導体装置
KR100887017B1 (ko) 2007-05-18 2009-03-04 주식회사 동부하이텍 수평형 디모스 소자의 구조 및 그 제조 방법
JP5167741B2 (ja) * 2007-09-21 2013-03-21 株式会社デンソー 半導体装置
JP5664029B2 (ja) * 2010-09-01 2015-02-04 株式会社デンソー 半導体装置
JP6290526B2 (ja) 2011-08-24 2018-03-07 ローム株式会社 半導体装置およびその製造方法
US20150318385A1 (en) * 2012-12-05 2015-11-05 Toyota Jidosha Kabushiki Kaisha Semiconductor device
JP6092680B2 (ja) * 2013-03-26 2017-03-08 新電元工業株式会社 半導体装置及び半導体装置の製造方法
JP6077380B2 (ja) 2013-04-24 2017-02-08 トヨタ自動車株式会社 半導体装置
DE102015103067B3 (de) 2015-03-03 2016-09-01 Infineon Technologies Ag Halbleitervorrichtung mit trenchgatestrukturen in einem halbleiterkörper mit hexagonalem kristallgitter
CN108899318B (zh) * 2018-08-30 2024-01-26 无锡摩斯法特电子有限公司 一种增加vdmos沟道密度的蛇形布图结构和布图方法
CN110265300B (zh) * 2019-06-18 2022-11-08 龙腾半导体股份有限公司 增强微元胞结构igbt短路能力的方法
US12563767B2 (en) * 2021-09-30 2026-02-24 Texas Instruments Incorporated Method for forming a field-effect transistor having a fractionally enhanced body structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6010781A (ja) * 1983-06-30 1985-01-19 Toshiba Corp 半導体装置
JPH0766395A (ja) * 1993-08-25 1995-03-10 Fuji Electric Co Ltd 絶縁ゲート制御半導体装置とその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0590927A (ja) * 1991-09-30 1993-04-09 Fuji Electric Co Ltd 電界効果トランジスタおよびそれを用いる整流回路
US5674766A (en) * 1994-12-30 1997-10-07 Siliconix Incorporated Method of making a trench MOSFET with multi-resistivity drain to provide low on-resistance by varying dopant concentration in epitaxial layer
JPH08288500A (ja) * 1995-04-20 1996-11-01 Hitachi Ltd 炭化珪素半導体素子とその製造法及び用途
EP0746030B1 (en) * 1995-06-02 2001-11-21 SILICONIX Incorporated Trench-gated power MOSFET with protective diodes in a periodically repeating pattern

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6010781A (ja) * 1983-06-30 1985-01-19 Toshiba Corp 半導体装置
JPH0766395A (ja) * 1993-08-25 1995-03-10 Fuji Electric Co Ltd 絶縁ゲート制御半導体装置とその製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101338460B1 (ko) 2012-11-15 2013-12-10 현대자동차주식회사 반도체 소자의 제조 방법
US9887286B2 (en) 2014-12-12 2018-02-06 Hyundai Motor Company Semiconductor device having low impedance and method of manufacturing the same

Also Published As

Publication number Publication date
KR19990037016A (ko) 1999-05-25
TW410479B (en) 2000-11-01
JP4796220B2 (ja) 2011-10-19
JPH11195788A (ja) 1999-07-21

Similar Documents

Publication Publication Date Title
US6140678A (en) Trench-gated power MOSFET with protective diode
US11888047B2 (en) Lateral transistors and methods with low-voltage-drop shunt to body diode
EP0746030B1 (en) Trench-gated power MOSFET with protective diodes in a periodically repeating pattern
US5998837A (en) Trench-gated power MOSFET with protective diode having adjustable breakdown voltage
JP4132102B2 (ja) 高いブレークダウン電圧と低いオン抵抗を兼ね備えたトレンチ型mosfet
KR100326475B1 (ko) 양방향전압클램핑을하는트렌치-게이트형mosfet
KR100510096B1 (ko) 트렌치-게이트형 파워 mosfet
JP2987328B2 (ja) 双方向電流阻止機能を備えたトレンチ型パワーmosfet
US5438220A (en) High breakdown voltage semiconductor device
US7955929B2 (en) Method of forming a semiconductor device having an active area and a termination area
US6977414B2 (en) Semiconductor device
US20030178673A1 (en) Structures of and methods of fabricating trench-gated MIS devices
JP2011035410A (ja) 保護用ダイオードを備えるトレンチゲート形パワーmosfet
US11575032B2 (en) Vertical power semiconductor device and manufacturing method
US5184204A (en) Semiconductor device with high surge endurance
KR20020079919A (ko) 향상된 성능을 갖는 dmos 트랜지스터 구조
US20240339494A1 (en) Vertical mosfet with high short circuit withstand time capability
JPH09102605A (ja) アキュミュレーションモード電界効果トランジスタ
EP0657933A1 (en) Integrated structure active clamp for the protection of power semiconductor devices against overvoltages
US7332771B2 (en) Trench-gate semiconductor devices
US20250169128A1 (en) Gate trench power semiconductor devices with deep jfet patterns
US20080116520A1 (en) Termination Structures For Semiconductor Devices and the Manufacture Thereof
US7619280B2 (en) Current sense trench type MOSFET with improved accuracy and ESD withstand capability
US20230163167A1 (en) Semiconductor device including a trench gate structure

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

A201 Request for examination
PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

FPAY Annual fee payment

Payment date: 20120806

Year of fee payment: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

FPAY Annual fee payment

Payment date: 20130808

Year of fee payment: 9

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

FPAY Annual fee payment

Payment date: 20140805

Year of fee payment: 10

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 10

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20150818

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20150818

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000