JPWO2023176056A1 - - Google Patents

Info

Publication number
JPWO2023176056A1
JPWO2023176056A1 JP2024507509A JP2024507509A JPWO2023176056A1 JP WO2023176056 A1 JPWO2023176056 A1 JP WO2023176056A1 JP 2024507509 A JP2024507509 A JP 2024507509A JP 2024507509 A JP2024507509 A JP 2024507509A JP WO2023176056 A1 JPWO2023176056 A1 JP WO2023176056A1
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
JP2024507509A
Other languages
Japanese (ja)
Other versions
JPWO2023176056A5 (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 JPWO2023176056A1 publication Critical patent/JPWO2023176056A1/ja
Publication of JPWO2023176056A5 publication Critical patent/JPWO2023176056A5/ja
Pending 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
    • H10D30/665Vertical DMOS [VDMOS] FETs having edge termination structures
    • 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
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W74/00Encapsulations, e.g. protective coatings
    • H10W74/10Encapsulations, e.g. protective coatings characterised by their shape or disposition
    • H10W74/131Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being only partially enclosed
    • H10W74/137Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being only partially enclosed the encapsulations being directly on the semiconductor body
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W74/00Encapsulations, e.g. protective coatings
    • H10W74/40Encapsulations, e.g. protective coatings characterised by their materials
    • H10W74/47Encapsulations, e.g. protective coatings characterised by their materials comprising organic materials, e.g. plastics or resins
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/01Manufacture or treatment
    • H10D12/031Manufacture or treatment of IGBTs
    • H10D12/032Manufacture or treatment of IGBTs of vertical IGBTs
    • H10D12/038Manufacture or treatment of IGBTs of vertical IGBTs having a recessed gate, e.g. trench-gate IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411Insulated-gate bipolar transistors [IGBT]
    • H10D12/415Insulated-gate bipolar transistors [IGBT] having edge termination structures
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411Insulated-gate bipolar transistors [IGBT]
    • H10D12/441Vertical IGBTs
    • H10D12/461Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions
    • H10D12/481Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions having gate structures on slanted surfaces, on vertical surfaces, or in grooves, e.g. trench gate IGBTs
    • 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] 
    • H10D62/106Constructional 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]  having supplementary regions doped oppositely to or in rectifying contact with regions of the semiconductor bodies, e.g. guard rings with PN or Schottky junctions
    • 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
    • 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 
    • 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
    • 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
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/20Electrodes characterised by their shapes, relative sizes or dispositions 
    • H10D64/27Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
    • H10D64/311Gate electrodes for field-effect devices
    • H10D64/411Gate electrodes for field-effect devices for FETs
    • H10D64/511Gate electrodes for field-effect devices for FETs for IGFETs
    • H10D64/514Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
    • H10D64/516Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W74/00Encapsulations, e.g. protective coatings
    • H10W74/10Encapsulations, e.g. protective coatings characterised by their shape or disposition
    • H10W74/131Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being only partially enclosed
    • H10W74/147Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being only partially enclosed the encapsulations being multilayered
JP2024507509A 2022-03-14 2022-11-28 Pending JPWO2023176056A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022039205 2022-03-14
PCT/JP2022/043800 WO2023176056A1 (ja) 2022-03-14 2022-11-28 半導体装置

Publications (2)

Publication Number Publication Date
JPWO2023176056A1 true JPWO2023176056A1 (https=) 2023-09-21
JPWO2023176056A5 JPWO2023176056A5 (https=) 2024-11-20

Family

ID=88023190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024507509A Pending JPWO2023176056A1 (https=) 2022-03-14 2022-11-28

Country Status (5)

Country Link
US (1) US20250006580A1 (https=)
JP (1) JPWO2023176056A1 (https=)
CN (1) CN118872068A (https=)
DE (1) DE112022006632T5 (https=)
WO (1) WO2023176056A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026058856A1 (ja) * 2024-09-13 2026-03-19 ローム株式会社 半導体装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6960602B2 (ja) * 2016-11-25 2021-11-05 パナソニックIpマネジメント株式会社 炭化珪素半導体装置
JP6846687B2 (ja) 2017-09-12 2021-03-24 パナソニックIpマネジメント株式会社 半導体装置およびその製造方法
WO2021261102A1 (ja) * 2020-06-26 2021-12-30 ローム株式会社 電子部品
JP2022039205A (ja) 2020-08-28 2022-03-10 株式会社不二越 油圧機器配管ポート閉止用プラグ
CN116830262A (zh) * 2021-03-18 2023-09-29 罗姆股份有限公司 宽带隙半导体装置

Also Published As

Publication number Publication date
US20250006580A1 (en) 2025-01-02
WO2023176056A1 (ja) 2023-09-21
CN118872068A (zh) 2024-10-29
DE112022006632T5 (de) 2024-12-05

Similar Documents

Publication Publication Date Title
JPWO2023176056A1 (https=)
JPWO2024248020A1 (https=)
BR202022005961U2 (https=)
BY13163U (https=)
CN307049661S (https=)
BY13169U (https=)
BY13168U (https=)
CN307049457S (https=)
CN307047738S (https=)
CN307047666S (https=)
CN307047503S (https=)
CN307046915S (https=)
CN307046903S (https=)
BY13167U (https=)
CN307046589S (https=)
CN307046451S (https=)
CN307046227S (https=)
CN307046155S (https=)
CN307046003S (https=)
CN307045969S (https=)
CN307045733S (https=)
BY13166U (https=)
CN307045501S (https=)
BY13165U (https=)
BY13164U (https=)

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240725

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20251118