ATE509374T1 - Herstellungsverfahren eines vertikalen mosfets mit graben-gate - Google Patents

Herstellungsverfahren eines vertikalen mosfets mit graben-gate

Info

Publication number
ATE509374T1
ATE509374T1 AT07253213T AT07253213T ATE509374T1 AT E509374 T1 ATE509374 T1 AT E509374T1 AT 07253213 T AT07253213 T AT 07253213T AT 07253213 T AT07253213 T AT 07253213T AT E509374 T1 ATE509374 T1 AT E509374T1
Authority
AT
Austria
Prior art keywords
production
trench gate
dielectric regions
gate mosfet
vertical trench
Prior art date
Application number
AT07253213T
Other languages
English (en)
Inventor
Donald Ray Disney
Original Assignee
Power Integrations 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 Power Integrations Inc filed Critical Power Integrations Inc
Application granted granted Critical
Publication of ATE509374T1 publication Critical patent/ATE509374T1/de

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]
    • H10D30/64Double-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
    • 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
    • H10D30/0297Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs using recessing of the gate electrodes, e.g. to form trench gate electrodes
    • 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
    • H10D64/117Recessed field plates, e.g. trench field plates or buried field plates
    • 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
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P50/00Etching of wafers, substrates or parts of devices
    • H10P50/20Dry etching; Plasma etching; Reactive-ion etching
    • H10P50/28Dry etching; Plasma etching; Reactive-ion etching of insulating materials

Landscapes

  • Electrodes Of Semiconductors (AREA)
  • Thin Film Transistor (AREA)
  • Drying Of Semiconductors (AREA)
  • Element Separation (AREA)
  • Junction Field-Effect Transistors (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
AT07253213T 2006-10-03 2007-08-15 Herstellungsverfahren eines vertikalen mosfets mit graben-gate ATE509374T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/542,083 US7381618B2 (en) 2006-10-03 2006-10-03 Gate etch process for a high-voltage FET

Publications (1)

Publication Number Publication Date
ATE509374T1 true ATE509374T1 (de) 2011-05-15

Family

ID=38814315

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07253213T ATE509374T1 (de) 2006-10-03 2007-08-15 Herstellungsverfahren eines vertikalen mosfets mit graben-gate

Country Status (5)

Country Link
US (2) US7381618B2 (de)
EP (2) EP2346081B1 (de)
JP (2) JP4898619B2 (de)
CN (2) CN102130015B (de)
AT (1) ATE509374T1 (de)

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US7786533B2 (en) * 2001-09-07 2010-08-31 Power Integrations, Inc. High-voltage vertical transistor with edge termination structure
US6573558B2 (en) * 2001-09-07 2003-06-03 Power Integrations, Inc. High-voltage vertical transistor with a multi-layered extended drain structure
US6635544B2 (en) 2001-09-07 2003-10-21 Power Intergrations, Inc. Method of fabricating a high-voltage transistor with a multi-layered extended drain structure
US7135748B2 (en) * 2004-10-26 2006-11-14 Power Integrations, Inc. Integrated circuit with multi-length output transistor segment
US8093621B2 (en) 2008-12-23 2012-01-10 Power Integrations, Inc. VTS insulated gate bipolar transistor
US7859037B2 (en) * 2007-02-16 2010-12-28 Power Integrations, Inc. Checkerboarded high-voltage vertical transistor layout
US7557406B2 (en) * 2007-02-16 2009-07-07 Power Integrations, Inc. Segmented pillar layout for a high-voltage vertical transistor
US8653583B2 (en) 2007-02-16 2014-02-18 Power Integrations, Inc. Sensing FET integrated with a high-voltage transistor
US7875962B2 (en) * 2007-10-15 2011-01-25 Power Integrations, Inc. Package for a power semiconductor device
US7964912B2 (en) 2008-09-18 2011-06-21 Power Integrations, Inc. High-voltage vertical transistor with a varied width silicon pillar
CN101740376B (zh) * 2008-11-25 2012-06-13 中芯国际集成电路制造(北京)有限公司 调整间隙壁宽度的方法以及构造间隙壁的蚀刻方法
US20100155831A1 (en) * 2008-12-20 2010-06-24 Power Integrations, Inc. Deep trench insulated gate bipolar transistor
US7871882B2 (en) 2008-12-20 2011-01-18 Power Integrations, Inc. Method of fabricating a deep trench insulated gate bipolar transistor
US8319278B1 (en) * 2009-03-31 2012-11-27 Maxpower Semiconductor, Inc. Power device structures and methods using empty space zones
JP5583933B2 (ja) * 2009-07-28 2014-09-03 猛英 白土 半導体装置及びその製造方法
US8115457B2 (en) * 2009-07-31 2012-02-14 Power Integrations, Inc. Method and apparatus for implementing a power converter input terminal voltage discharge circuit
US8207455B2 (en) * 2009-07-31 2012-06-26 Power Integrations, Inc. Power semiconductor package with bottom surface protrusions
US8207577B2 (en) * 2009-09-29 2012-06-26 Power Integrations, Inc. High-voltage transistor structure with reduced gate capacitance
US7893754B1 (en) 2009-10-02 2011-02-22 Power Integrations, Inc. Temperature independent reference circuit
US8634218B2 (en) * 2009-10-06 2014-01-21 Power Integrations, Inc. Monolithic AC/DC converter for generating DC supply voltage
US8310845B2 (en) * 2010-02-10 2012-11-13 Power Integrations, Inc. Power supply circuit with a control terminal for different functional modes of operation
CN102412249B (zh) * 2011-10-13 2014-10-08 上海华虹宏力半导体制造有限公司 降低闩锁效应的功率器件结构及其制造方法
US8653600B2 (en) 2012-06-01 2014-02-18 Power Integrations, Inc. High-voltage monolithic schottky device structure
CN104241341A (zh) * 2012-07-27 2014-12-24 俞国庆 一种高频低功耗的功率mos场效应管器件
JP5802636B2 (ja) * 2012-09-18 2015-10-28 株式会社東芝 半導体装置およびその製造方法
US9455621B2 (en) 2013-08-28 2016-09-27 Power Integrations, Inc. Controller IC with zero-crossing detector and capacitor discharge switching element
US9543396B2 (en) 2013-12-13 2017-01-10 Power Integrations, Inc. Vertical transistor device structure with cylindrically-shaped regions
US10325988B2 (en) 2013-12-13 2019-06-18 Power Integrations, Inc. Vertical transistor device structure with cylindrically-shaped field plates
US9362338B2 (en) * 2014-03-03 2016-06-07 Sandisk Technologies Inc. Vertical thin film transistors in non-volatile storage systems
JP6310577B2 (ja) * 2015-04-17 2018-04-11 スー ジョウ オリエンタル セミコンダクター カンパニー リミテッドSu Zhou Oriental Semiconductor Co., Ltd. スプリットゲート型パワーデバイスの製造方法
US9667154B2 (en) 2015-09-18 2017-05-30 Power Integrations, Inc. Demand-controlled, low standby power linear shunt regulator
US9602009B1 (en) 2015-12-08 2017-03-21 Power Integrations, Inc. Low voltage, closed loop controlled energy storage circuit
US9629218B1 (en) 2015-12-28 2017-04-18 Power Integrations, Inc. Thermal protection for LED bleeder in fault condition
US10490548B2 (en) 2016-04-08 2019-11-26 Power Integrations, Inc. Integrated resistor for semiconductor device
US10498300B2 (en) 2017-07-17 2019-12-03 Power Integrations, Inc. Voltage-to-current transconductance operational amplifier with adaptive biasing
CN107785433B (zh) * 2017-09-19 2020-05-01 西安电子科技大学 一种阶梯高k介质层宽带隙半导体纵向双扩散金属氧化物半导体场效应管
CN107799600B (zh) * 2017-09-19 2020-05-01 西安电子科技大学 一种阶梯高k介质层元素纵向双扩散金属氧化物半导体场效应管
EP4376091A1 (de) * 2022-11-24 2024-05-29 Nexperia B.V. Herstellung eines mosfets

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JPH0831568B2 (ja) * 1989-03-27 1996-03-27 沖電気工業株式会社 半導体記憶装置の製造方法
EP1192640A2 (de) * 1999-06-03 2002-04-03 GENERAL SEMICONDUCTOR, Inc. Leistungs-mosfet und verfahren zu dessen herstellung
US6635534B2 (en) * 2000-06-05 2003-10-21 Fairchild Semiconductor Corporation Method of manufacturing a trench MOSFET using selective growth epitaxy
KR100338783B1 (en) * 2000-10-28 2002-06-01 Samsung Electronics Co Ltd Semiconductor device having expanded effective width of active region and fabricating method thereof
JP3553904B2 (ja) * 2001-04-11 2004-08-11 日本電信電話株式会社 超臨界乾燥方法
US6555873B2 (en) * 2001-09-07 2003-04-29 Power Integrations, Inc. High-voltage lateral transistor with a multi-layered extended drain structure
US6635544B2 (en) * 2001-09-07 2003-10-21 Power Intergrations, Inc. Method of fabricating a high-voltage transistor with a multi-layered extended drain structure
US6797440B2 (en) * 2002-08-06 2004-09-28 Freescale Semiconductor, Inc. Method of forming a rim phase shifting mask and using the rim phase shifting mask to form a semiconductor device
US20050285140A1 (en) * 2004-06-23 2005-12-29 Chih-Hsin Ko Isolation structure for strained channel transistors
JP4500558B2 (ja) * 2004-02-09 2010-07-14 トヨタ自動車株式会社 絶縁ゲート型半導体装置の製造方法
WO2006004746A2 (en) * 2004-06-25 2006-01-12 International Rectifier Corporation Mosgated power semiconductor device with source field electrode
KR100672723B1 (ko) * 2005-06-27 2007-01-22 동부일렉트로닉스 주식회사 플래시 메모리 소자의 제조방법
DE102005047058B4 (de) * 2005-09-30 2009-09-24 Qimonda Ag Herstellungsverfahren für einen Graben-Transistor und entsprechender Graben-Transistor
KR100755670B1 (ko) * 2006-04-03 2007-09-05 삼성전자주식회사 반도체 소자의 제조 방법

Also Published As

Publication number Publication date
HK1116921A1 (en) 2009-01-02
JP2008091924A (ja) 2008-04-17
CN101159233B (zh) 2011-03-23
EP1909331A2 (de) 2008-04-09
EP1909331A3 (de) 2009-04-15
CN102130015B (zh) 2013-03-20
JP4898619B2 (ja) 2012-03-21
JP5505407B2 (ja) 2014-05-28
EP2346081A1 (de) 2011-07-20
CN101159233A (zh) 2008-04-09
CN102130015A (zh) 2011-07-20
US7381618B2 (en) 2008-06-03
EP1909331B1 (de) 2011-05-11
US20080160705A1 (en) 2008-07-03
US20080085603A1 (en) 2008-04-10
US7494875B2 (en) 2009-02-24
JP2012060189A (ja) 2012-03-22
EP2346081B1 (de) 2015-10-07

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