JPWO2025013769A1 - - Google Patents

Info

Publication number
JPWO2025013769A1
JPWO2025013769A1 JP2025532736A JP2025532736A JPWO2025013769A1 JP WO2025013769 A1 JPWO2025013769 A1 JP WO2025013769A1 JP 2025532736 A JP2025532736 A JP 2025532736A JP 2025532736 A JP2025532736 A JP 2025532736A JP WO2025013769 A1 JPWO2025013769 A1 JP WO2025013769A1
Authority
JP
Japan
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.)
Pending
Application number
JP2025532736A
Other languages
Japanese (ja)
Other versions
JPWO2025013769A5 (https=
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 filed Critical
Publication of JPWO2025013769A1 publication Critical patent/JPWO2025013769A1/ja
Publication of JPWO2025013769A5 publication Critical patent/JPWO2025013769A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H10D62/01Manufacture or treatment
    • H10D62/051Forming charge compensation regions, e.g. superjunctions
    • H10D62/054Forming charge compensation regions, e.g. superjunctions by high energy implantations in bulk semiconductor bodies, e.g. forming pillars
    • 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
    • H10D62/01Manufacture or treatment
    • H10D62/051Forming charge compensation regions, e.g. superjunctions
    • H10D62/058Forming charge compensation regions, e.g. superjunctions by using trenches, e.g. implanting into sidewalls of trenches or refilling trenches
    • 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
    • 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
    • H10D64/2527Source or drain electrodes for field-effect devices for vertical or pseudo-vertical devices for vertical devices wherein the source or drain electrodes are recessed in semiconductor bodies
    • 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
    • H10D62/80Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
    • H10D62/83Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge
    • H10D62/832Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge being Group IV materials comprising two or more elements, e.g. SiGe
    • H10D62/8325Silicon carbide
JP2025532736A 2023-07-11 2024-07-04 Pending JPWO2025013769A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023113895 2023-07-11
PCT/JP2024/024329 WO2025013769A1 (ja) 2023-07-11 2024-07-04 半導体装置

Publications (2)

Publication Number Publication Date
JPWO2025013769A1 true JPWO2025013769A1 (https=) 2025-01-16
JPWO2025013769A5 JPWO2025013769A5 (https=) 2026-04-13

Family

ID=94215742

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025532736A Pending JPWO2025013769A1 (https=) 2023-07-11 2024-07-04

Country Status (2)

Country Link
JP (1) JPWO2025013769A1 (https=)
WO (1) WO2025013769A1 (https=)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8860130B2 (en) * 2012-11-05 2014-10-14 Alpha And Omega Semiconductor Incorporated Charged balanced devices with shielded gate trench
JP7355503B2 (ja) * 2019-02-19 2023-10-03 ローム株式会社 半導体装置
JP2021044517A (ja) * 2019-09-13 2021-03-18 株式会社東芝 半導体装置、半導体装置の製造方法、インバータ回路、駆動装置、車両、及び、昇降機
JP2021129020A (ja) * 2020-02-13 2021-09-02 株式会社デンソー 半導体装置

Also Published As

Publication number Publication date
WO2025013769A1 (ja) 2025-01-16

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Legal Events

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Effective date: 20260109