DE69941415D1 - Vertikaler Leistungs-MOSFET mit Graben-Gate, Streifengeometrie und hoher Zelldichte - Google Patents

Vertikaler Leistungs-MOSFET mit Graben-Gate, Streifengeometrie und hoher Zelldichte

Info

Publication number
DE69941415D1
DE69941415D1 DE69941415T DE69941415T DE69941415D1 DE 69941415 D1 DE69941415 D1 DE 69941415D1 DE 69941415 T DE69941415 T DE 69941415T DE 69941415 T DE69941415 T DE 69941415T DE 69941415 D1 DE69941415 D1 DE 69941415D1
Authority
DE
Germany
Prior art keywords
cell density
power mosfet
trench gate
high cell
vertical power
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 - Lifetime
Application number
DE69941415T
Other languages
German (de)
English (en)
Inventor
Richard K Williams
Wayne B Grabowski
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.)
Vishay Siliconix Inc
Original Assignee
Siliconix Inc
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 Siliconix Inc filed Critical Siliconix Inc
Application granted granted Critical
Publication of DE69941415D1 publication Critical patent/DE69941415D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/60—Insulated-gate field-effect transistors [IGFET]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/60—Insulated-gate field-effect transistors [IGFET]
    • H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/66—Vertical DMOS [VDMOS] FETs
    • H10D30/668—Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/60—Insulated-gate field-effect transistors [IGFET]
    • H10D30/63—Vertical IGFETs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
    • H10D62/126—Top-view geometrical layouts of the regions or the junctions
    • H10D62/127—Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
    • H10D62/393—Body regions of DMOS transistors or IGBTs 
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/101—Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
    • H10D84/141—VDMOS having built-in components
    • H10D84/148—VDMOS having built-in components the built-in components being breakdown diodes, e.g. Zener diodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
    • H10D84/811—Combinations of field-effect devices and one or more diodes, capacitors or resistors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D89/00—Aspects of integrated devices not covered by groups H10D84/00 - H10D88/00
    • H10D89/60—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD]
    • H10D89/601—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs
    • H10D89/611—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs using diodes as protective elements
DE69941415T 1998-06-02 1999-05-27 Vertikaler Leistungs-MOSFET mit Graben-Gate, Streifengeometrie und hoher Zelldichte Expired - Lifetime DE69941415D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/089,250 US6204533B1 (en) 1995-06-02 1998-06-02 Vertical trench-gated power MOSFET having stripe geometry and high cell density

Publications (1)

Publication Number Publication Date
DE69941415D1 true DE69941415D1 (de) 2009-10-29

Family

ID=22216558

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69941415T Expired - Lifetime DE69941415D1 (de) 1998-06-02 1999-05-27 Vertikaler Leistungs-MOSFET mit Graben-Gate, Streifengeometrie und hoher Zelldichte

Country Status (6)

Country Link
US (1) US6204533B1 (enExample)
EP (1) EP0962987B1 (enExample)
JP (1) JP4671456B2 (enExample)
KR (1) KR100429475B1 (enExample)
DE (1) DE69941415D1 (enExample)
TW (1) TW486728B (enExample)

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US8653583B2 (en) 2007-02-16 2014-02-18 Power Integrations, Inc. Sensing FET integrated with a high-voltage transistor
US9947770B2 (en) * 2007-04-03 2018-04-17 Vishay-Siliconix Self-aligned trench MOSFET and method of manufacture
JP2009076540A (ja) * 2007-09-19 2009-04-09 Nec Electronics Corp 半導体装置
US9484451B2 (en) 2007-10-05 2016-11-01 Vishay-Siliconix MOSFET active area and edge termination area charge balance
US8017995B2 (en) 2007-11-20 2011-09-13 International Business Machines Corporation Deep trench semiconductor structure and method
JP2009170629A (ja) * 2008-01-16 2009-07-30 Nec Electronics Corp 半導体装置の製造方法
WO2011001494A1 (ja) 2009-06-29 2011-01-06 富士通株式会社 半導体装置およびその製造方法
US9443974B2 (en) 2009-08-27 2016-09-13 Vishay-Siliconix Super junction trench power MOSFET device fabrication
US9431530B2 (en) * 2009-10-20 2016-08-30 Vishay-Siliconix Super-high density trench MOSFET
JP2011091086A (ja) * 2009-10-20 2011-05-06 Mitsubishi Electric Corp 半導体装置
US8377756B1 (en) * 2011-07-26 2013-02-19 General Electric Company Silicon-carbide MOSFET cell structure and method for forming same
JP5920970B2 (ja) 2011-11-30 2016-05-24 ローム株式会社 半導体装置
US9842911B2 (en) 2012-05-30 2017-12-12 Vishay-Siliconix Adaptive charge balanced edge termination
CN103117308A (zh) * 2013-02-07 2013-05-22 上海新进半导体制造有限公司 一种沟槽mosfet功率整流器件及其制造方法
US9543396B2 (en) 2013-12-13 2017-01-10 Power Integrations, Inc. Vertical transistor device structure with cylindrically-shaped regions
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US9887259B2 (en) 2014-06-23 2018-02-06 Vishay-Siliconix Modulated super junction power MOSFET devices
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DE102015215024B4 (de) * 2015-08-06 2019-02-21 Infineon Technologies Ag Halbleiterbauelement mit breiter Bandlücke und Verfahren zum Betrieb eines Halbleiterbauelements
JP6958011B2 (ja) * 2017-06-15 2021-11-02 富士電機株式会社 半導体装置および半導体装置の製造方法
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DE102019111308A1 (de) 2018-05-07 2019-11-07 Infineon Technologies Ag Siliziumcarbid halbleiterbauelement
DE102018124740B4 (de) 2018-10-08 2025-08-28 Infineon Technologies Ag Verfahren zur herstellung eines halbleiterbauelements
US10903322B2 (en) 2018-11-16 2021-01-26 Infineon Technologies Ag SiC power semiconductor device with integrated body diode
US10586845B1 (en) 2018-11-16 2020-03-10 Infineon Technologies Ag SiC trench transistor device and methods of manufacturing thereof
US10985248B2 (en) 2018-11-16 2021-04-20 Infineon Technologies Ag SiC power semiconductor device with integrated Schottky junction
US11004970B2 (en) * 2019-05-20 2021-05-11 Nxp Usa, Inc. Mirror device structure for power MOSFET and method of manufacture
JP7658452B2 (ja) * 2021-10-15 2025-04-08 富士電機株式会社 半導体装置
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Also Published As

Publication number Publication date
KR20000005824A (ko) 2000-01-25
JP2000031484A (ja) 2000-01-28
EP0962987A2 (en) 1999-12-08
KR100429475B1 (ko) 2004-05-03
EP0962987B1 (en) 2009-09-16
US6204533B1 (en) 2001-03-20
EP0962987A3 (en) 2002-02-13
TW486728B (en) 2002-05-11
JP4671456B2 (ja) 2011-04-20

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