DE112014003246B4 - Hochvolt-Feldeffekttransistor mit mehreren implantierten Schichten und Verfahren zu seiner Herstellung - Google Patents

Hochvolt-Feldeffekttransistor mit mehreren implantierten Schichten und Verfahren zu seiner Herstellung Download PDF

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Publication number
DE112014003246B4
DE112014003246B4 DE112014003246.8T DE112014003246T DE112014003246B4 DE 112014003246 B4 DE112014003246 B4 DE 112014003246B4 DE 112014003246 T DE112014003246 T DE 112014003246T DE 112014003246 B4 DE112014003246 B4 DE 112014003246B4
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Prior art keywords
oxide layer
implanted
type
layers
region
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DE112014003246.8T
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German (de)
English (en)
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DE112014003246T5 (de
Inventor
Vijay Parthasarathy
Sujit Banerjee
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Power Integrations Inc
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Power Integrations Inc
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/01—Manufacture or treatment
    • H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
    • H10D30/0221—Manufacture or treatment of FETs having insulated gates [IGFET] having asymmetry in the channel direction, e.g. lateral high-voltage MISFETs having drain offset region or extended-drain MOSFETs [EDMOS]
    • 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]
    • H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs 
    • H10D30/603—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs  having asymmetry in the channel direction, e.g. lateral high-voltage MISFETs having drain offset region or extended drain IGFETs [EDMOS]
    • 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
    • H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
    • H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
    • H10D62/105—Constructional 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] 
    • H10D62/109—Reduced surface field [RESURF] PN junction structures
    • H10D62/111—Multiple RESURF structures, e.g. double RESURF or 3D-RESURF structures
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P30/00—Ion implantation into wafers, substrates or parts of devices
    • H10P30/20—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
    • H10P30/202—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping characterised by the semiconductor materials
    • H10P30/204—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping characterised by the semiconductor materials into Group IV semiconductors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P30/00—Ion implantation into wafers, substrates or parts of devices
    • H10P30/20—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
    • H10P30/21—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping of electrically active species
    • H10P30/212—Through-implantation
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P30/00—Ion implantation into wafers, substrates or parts of devices
    • H10P30/20—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
    • H10P30/222—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping characterised by the angle between the ion beam and the crystal planes or the main crystal surface
    • 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
    • H10D62/01—Manufacture or treatment
    • H10D62/051—Forming charge compensation regions, e.g. superjunctions
    • H10D62/054—Forming charge compensation regions, e.g. superjunctions by high energy implantations in bulk semiconductor bodies, e.g. forming pillars
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00—Electrodes of devices having potential barriers
    • H10D64/111—Field plates
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00—Electrodes of devices having potential barriers
    • H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions 
    • H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
    • H10D64/311—Gate electrodes for field-effect devices
    • H10D64/411—Gate electrodes for field-effect devices for FETs
    • H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
    • H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
    • H10D64/516—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform

Landscapes

  • Insulated Gate Type Field-Effect Transistor (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Crystallography & Structural Chemistry (AREA)
DE112014003246.8T 2013-07-12 2014-06-28 Hochvolt-Feldeffekttransistor mit mehreren implantierten Schichten und Verfahren zu seiner Herstellung Active DE112014003246B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/941,119 US9660053B2 (en) 2013-07-12 2013-07-12 High-voltage field-effect transistor having multiple implanted layers
US13/941,119 2013-07-12
PCT/US2014/044769 WO2015006074A1 (en) 2013-07-12 2014-06-28 High-voltage field-effect transistor having multiple implanted layers

Publications (2)

Publication Number Publication Date
DE112014003246T5 DE112014003246T5 (de) 2016-04-07
DE112014003246B4 true DE112014003246B4 (de) 2025-04-03

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DE112014003246.8T Active DE112014003246B4 (de) 2013-07-12 2014-06-28 Hochvolt-Feldeffekttransistor mit mehreren implantierten Schichten und Verfahren zu seiner Herstellung

Country Status (6)

Country Link
US (1) US9660053B2 (https=)
JP (1) JP6490679B2 (https=)
KR (1) KR102283496B1 (https=)
CN (1) CN105378934B (https=)
DE (1) DE112014003246B4 (https=)
WO (1) WO2015006074A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11355580B2 (en) * 2019-10-18 2022-06-07 Semiconductor Components Industries, Llc Lateral DMOS device with step-profiled RESURF and drift structures
CN113130632B (zh) * 2019-12-31 2022-08-12 无锡华润上华科技有限公司 横向扩散金属氧化物半导体器件及其制备方法

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Also Published As

Publication number Publication date
JP2016526804A (ja) 2016-09-05
US9660053B2 (en) 2017-05-23
WO2015006074A1 (en) 2015-01-15
CN105378934B (zh) 2018-12-11
JP6490679B2 (ja) 2019-03-27
KR102283496B1 (ko) 2021-07-29
CN105378934A (zh) 2016-03-02
US20150014770A1 (en) 2015-01-15
DE112014003246T5 (de) 2016-04-07
KR20160030171A (ko) 2016-03-16

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