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AU4820100A - Mosfet with field reducing trenches in body region - Google Patents

Mosfet with field reducing trenches in body region

Info

Publication number
AU4820100A
AU4820100A AU48201/00A AU4820100A AU4820100A AU 4820100 A AU4820100 A AU 4820100A AU 48201/00 A AU48201/00 A AU 48201/00A AU 4820100 A AU4820100 A AU 4820100A AU 4820100 A AU4820100 A AU 4820100A
Authority
AU
Australia
Prior art keywords
mosfet
body region
field reducing
reducing trenches
trenches
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.)
Abandoned
Application number
AU48201/00A
Inventor
Scott Jones
John M. S. Neilson
Nestore Polce
Maxime Zafrani
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.)
IXYS Integrated Circuits Division Inc
Original Assignee
CP Clare and Co
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 CP Clare and Co filed Critical CP Clare and Co
Publication of AU4820100A publication Critical patent/AU4820100A/en
Abandoned 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]
    • H10D30/64Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/66Vertical 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] 
    • H10D62/109Reduced surface field [RESURF] PN junction structures
    • H10D62/111Multiple RESURF structures, e.g. double RESURF or 3D-RESURF structures
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/118Electrodes comprising insulating layers having particular dielectric or electrostatic properties, e.g. having static charges
    • 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
    • H10D62/113Isolations within a component, i.e. internal isolations
    • H10D62/115Dielectric isolations, e.g. air gaps
    • 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 
AU48201/00A 1999-05-06 2000-05-05 Mosfet with field reducing trenches in body region Abandoned AU4820100A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13277199P 1999-05-06 1999-05-06
US60132771 1999-05-06
PCT/US2000/012191 WO2000068997A1 (en) 1999-05-06 2000-05-05 Mosfet with field reducing trenches in body region

Publications (1)

Publication Number Publication Date
AU4820100A true AU4820100A (en) 2000-11-21

Family

ID=22455518

Family Applications (1)

Application Number Title Priority Date Filing Date
AU48201/00A Abandoned AU4820100A (en) 1999-05-06 2000-05-05 Mosfet with field reducing trenches in body region

Country Status (2)

Country Link
AU (1) AU4820100A (en)
WO (1) WO2000068997A1 (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6461918B1 (en) 1999-12-20 2002-10-08 Fairchild Semiconductor Corporation Power MOS device with improved gate charge performance
US6376878B1 (en) * 2000-02-11 2002-04-23 Fairchild Semiconductor Corporation MOS-gated devices with alternating zones of conductivity
GB0003185D0 (en) * 2000-02-12 2000-04-05 Koninkl Philips Electronics Nv An insulated gate field effect device
US7745289B2 (en) 2000-08-16 2010-06-29 Fairchild Semiconductor Corporation Method of forming a FET having ultra-low on-resistance and low gate charge
US6713813B2 (en) 2001-01-30 2004-03-30 Fairchild Semiconductor Corporation Field effect transistor having a lateral depletion structure
US6803626B2 (en) 2002-07-18 2004-10-12 Fairchild Semiconductor Corporation Vertical charge control semiconductor device
US7132712B2 (en) 2002-11-05 2006-11-07 Fairchild Semiconductor Corporation Trench structure having one or more diodes embedded therein adjacent a PN junction
US7345342B2 (en) 2001-01-30 2008-03-18 Fairchild Semiconductor Corporation Power semiconductor devices and methods of manufacture
US6818513B2 (en) 2001-01-30 2004-11-16 Fairchild Semiconductor Corporation Method of forming a field effect transistor having a lateral depletion structure
US6916745B2 (en) 2003-05-20 2005-07-12 Fairchild Semiconductor Corporation Structure and method for forming a trench MOSFET having self-aligned features
US6677641B2 (en) 2001-10-17 2004-01-13 Fairchild Semiconductor Corporation Semiconductor structure with improved smaller forward voltage loss and higher blocking capability
GB0104342D0 (en) * 2001-02-22 2001-04-11 Koninkl Philips Electronics Nv Semiconductor devices
US6853033B2 (en) * 2001-06-05 2005-02-08 National University Of Singapore Power MOSFET having enhanced breakdown voltage
US7061066B2 (en) 2001-10-17 2006-06-13 Fairchild Semiconductor Corporation Schottky diode using charge balance structure
US7078296B2 (en) 2002-01-16 2006-07-18 Fairchild Semiconductor Corporation Self-aligned trench MOSFETs and methods for making the same
KR100859701B1 (en) 2002-02-23 2008-09-23 페어차일드코리아반도체 주식회사 High voltage horizontal MOS transistor and method for manufacturing same
US7576388B1 (en) 2002-10-03 2009-08-18 Fairchild Semiconductor Corporation Trench-gate LDMOS structures
US7033891B2 (en) 2002-10-03 2006-04-25 Fairchild Semiconductor Corporation Trench gate laterally diffused MOSFET devices and methods for making such devices
US7638841B2 (en) 2003-05-20 2009-12-29 Fairchild Semiconductor Corporation Power semiconductor devices and methods of manufacture
GB0314390D0 (en) 2003-06-20 2003-07-23 Koninkl Philips Electronics Nv Trench field effect transistor structure
KR100994719B1 (en) 2003-11-28 2010-11-16 페어차일드코리아반도체 주식회사 Super Junction Semiconductor Device
US7368777B2 (en) 2003-12-30 2008-05-06 Fairchild Semiconductor Corporation Accumulation device with charge balance structure and method of forming the same
US7535056B2 (en) * 2004-03-11 2009-05-19 Yokogawa Electric Corporation Semiconductor device having a low concentration layer formed outside a drift layer
DE102004024344B4 (en) * 2004-05-17 2010-04-15 Infineon Technologies Ag Method of manufacturing a power semiconductor device and power semiconductor device
US7352036B2 (en) 2004-08-03 2008-04-01 Fairchild Semiconductor Corporation Semiconductor power device having a top-side drain using a sinker trench
DE102004046697B4 (en) 2004-09-24 2020-06-10 Infineon Technologies Ag High-voltage-resistant semiconductor component with vertically conductive semiconductor body regions and a trench structure, and method for producing the same
US7265415B2 (en) 2004-10-08 2007-09-04 Fairchild Semiconductor Corporation MOS-gated transistor with reduced miller capacitance
CN101882583A (en) 2005-04-06 2010-11-10 飞兆半导体公司 Trench gate field effect transistor and method of forming the same
US7385248B2 (en) 2005-08-09 2008-06-10 Fairchild Semiconductor Corporation Shielded gate field effect transistor with improved inter-poly dielectric
US7446374B2 (en) 2006-03-24 2008-11-04 Fairchild Semiconductor Corporation High density trench FET with integrated Schottky diode and method of manufacture
US7319256B1 (en) 2006-06-19 2008-01-15 Fairchild Semiconductor Corporation Shielded gate trench FET with the shield and gate electrodes being connected together
EP2208229A4 (en) 2007-09-21 2011-03-16 Fairchild Semiconductor SUPERJUNCTION STRUCTURES FOR POWER DEVICES AND METHODS OF MANUFACTURE
US7772668B2 (en) 2007-12-26 2010-08-10 Fairchild Semiconductor Corporation Shielded gate trench FET with multiple channels
US20120273916A1 (en) 2011-04-27 2012-11-01 Yedinak Joseph A Superjunction Structures for Power Devices and Methods of Manufacture
US8319290B2 (en) 2010-06-18 2012-11-27 Fairchild Semiconductor Corporation Trench MOS barrier schottky rectifier with a planar surface using CMP techniques
US8487371B2 (en) 2011-03-29 2013-07-16 Fairchild Semiconductor Corporation Vertical MOSFET transistor having source/drain contacts disposed on the same side and method for manufacturing the same
US8836028B2 (en) 2011-04-27 2014-09-16 Fairchild Semiconductor Corporation Superjunction structures for power devices and methods of manufacture
US8673700B2 (en) 2011-04-27 2014-03-18 Fairchild Semiconductor Corporation Superjunction structures for power devices and methods of manufacture
US8786010B2 (en) 2011-04-27 2014-07-22 Fairchild Semiconductor Corporation Superjunction structures for power devices and methods of manufacture
US8772868B2 (en) 2011-04-27 2014-07-08 Fairchild Semiconductor Corporation Superjunction structures for power devices and methods of manufacture

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5306940A (en) * 1990-10-22 1994-04-26 Nec Corporation Semiconductor device including a locos type field oxide film and a U trench penetrating the locos film
US5539238A (en) * 1992-09-02 1996-07-23 Texas Instruments Incorporated Area efficient high voltage Mosfets with vertical resurf drift regions
DE4335298C1 (en) * 1993-10-15 1995-03-23 Siemens Ag Circuit structure with at least one bipolar power component and method for its operation
JP3180599B2 (en) * 1995-01-24 2001-06-25 日本電気株式会社 Semiconductor device and method of manufacturing the same
JP3325736B2 (en) * 1995-02-09 2002-09-17 三菱電機株式会社 Insulated gate semiconductor device

Also Published As

Publication number Publication date
WO2000068997A9 (en) 2002-07-18
WO2000068997A1 (en) 2000-11-16

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase