JP7403386B2 - 半導体装置 - Google Patents

半導体装置 Download PDF

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Publication number
JP7403386B2
JP7403386B2 JP2020092235A JP2020092235A JP7403386B2 JP 7403386 B2 JP7403386 B2 JP 7403386B2 JP 2020092235 A JP2020092235 A JP 2020092235A JP 2020092235 A JP2020092235 A JP 2020092235A JP 7403386 B2 JP7403386 B2 JP 7403386B2
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Japan
Prior art keywords
layer
type
region
semiconductor layer
diode
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JP2020092235A
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English (en)
Japanese (ja)
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JP2021190496A (ja
JP2021190496A5 (https=
Inventor
真也 曽根田
健司 原田
翔瑠 大塚
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2020092235A priority Critical patent/JP7403386B2/ja
Priority to US17/168,750 priority patent/US12159944B2/en
Priority to DE102021107989.6A priority patent/DE102021107989A1/de
Priority to CN202110559128.1A priority patent/CN113745312B/zh
Publication of JP2021190496A publication Critical patent/JP2021190496A/ja
Publication of JP2021190496A5 publication Critical patent/JP2021190496A5/ja
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D8/00Diodes
    • 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
    • H10D62/50Physical imperfections
    • H10D62/53Physical imperfections the imperfections being within the semiconductor body 
    • 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]
    • H10D12/441Vertical 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
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411Insulated-gate bipolar transistors [IGBT]
    • H10D12/441Vertical IGBTs
    • H10D12/491Vertical IGBTs having both emitter contacts and collector contacts in the same substrate side
    • 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
    • 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
    • H10D62/40Crystalline structures
    • H10D62/405Orientations of crystalline planes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D8/00Diodes
    • H10D8/01Manufacture or treatment
    • H10D8/045Manufacture or treatment of PN junction diodes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D8/00Diodes
    • H10D8/422PN diodes having the PN junctions in mesas
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/201Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of only components covered by H10D1/00 or H10D8/00, e.g. RLC circuits
    • H10D84/204Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of only components covered by H10D1/00 or H10D8/00, e.g. RLC circuits of combinations of diodes or capacitors or resistors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/80Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
    • H10D84/811Combinations of field-effect devices and one or more diodes, capacitors or resistors
    • 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
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/111Field plates
    • H10D64/117Recessed field plates, e.g. trench field plates or buried field plates

Landscapes

  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
JP2020092235A 2020-05-27 2020-05-27 半導体装置 Active JP7403386B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020092235A JP7403386B2 (ja) 2020-05-27 2020-05-27 半導体装置
US17/168,750 US12159944B2 (en) 2020-05-27 2021-02-05 RC-IGBT with lifetime control layer
DE102021107989.6A DE102021107989A1 (de) 2020-05-27 2021-03-30 Halbleitervorrichtung
CN202110559128.1A CN113745312B (zh) 2020-05-27 2021-05-21 半导体装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020092235A JP7403386B2 (ja) 2020-05-27 2020-05-27 半導体装置

Publications (3)

Publication Number Publication Date
JP2021190496A JP2021190496A (ja) 2021-12-13
JP2021190496A5 JP2021190496A5 (https=) 2022-06-30
JP7403386B2 true JP7403386B2 (ja) 2023-12-22

Family

ID=78509162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020092235A Active JP7403386B2 (ja) 2020-05-27 2020-05-27 半導体装置

Country Status (4)

Country Link
US (1) US12159944B2 (https=)
JP (1) JP7403386B2 (https=)
CN (1) CN113745312B (https=)
DE (1) DE102021107989A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020121857A1 (ja) * 2018-12-12 2021-11-04 浜松ホトニクス株式会社 光検出装置及び光検出装置の製造方法
CN117581383A (zh) * 2021-07-20 2024-02-20 株式会社电装 半导体装置
JP7527256B2 (ja) * 2021-09-06 2024-08-02 三菱電機株式会社 半導体装置及び半導体装置の制御方法
CN116805627A (zh) * 2022-03-23 2023-09-26 三垦电气株式会社 半导体装置
DE102022127527A1 (de) * 2022-10-19 2024-04-25 Infineon Technologies Austria Ag Rc-igbt und herstellungsverfahren für einen rc-igbt
JPWO2024171683A1 (https=) * 2023-02-14 2024-08-22
CN117038451B (zh) * 2023-10-09 2024-02-20 深圳市锐骏半导体股份有限公司 沟槽栅igbt器件、制作方法及仿真方法
EP4672340A1 (en) 2024-06-26 2025-12-31 Nexperia B.V. SEMICONDUCTOR DEVICE AND METHOD FOR IONIC OPERATION IN A SEMICONDUCTOR DEVICE

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011216825A (ja) 2010-04-02 2011-10-27 Toyota Central R&D Labs Inc 半導体装置
JP2015118991A (ja) 2013-12-17 2015-06-25 トヨタ自動車株式会社 半導体装置
JP2016162950A (ja) 2015-03-04 2016-09-05 トヨタ自動車株式会社 半導体装置
WO2019098270A1 (ja) 2017-11-15 2019-05-23 富士電機株式会社 半導体装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011210800A (ja) * 2010-03-29 2011-10-20 Toyota Motor Corp 半導体装置
JP6078961B2 (ja) * 2012-03-19 2017-02-15 富士電機株式会社 半導体装置の製造方法
JP6107767B2 (ja) * 2013-12-27 2017-04-05 トヨタ自動車株式会社 半導体装置とその製造方法
JP6277814B2 (ja) 2014-03-25 2018-02-14 株式会社デンソー 半導体装置
CN111033751B (zh) * 2018-02-14 2023-08-18 富士电机株式会社 半导体装置
JP6958740B2 (ja) 2018-08-14 2021-11-02 富士電機株式会社 半導体装置および製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011216825A (ja) 2010-04-02 2011-10-27 Toyota Central R&D Labs Inc 半導体装置
JP2015118991A (ja) 2013-12-17 2015-06-25 トヨタ自動車株式会社 半導体装置
JP2016162950A (ja) 2015-03-04 2016-09-05 トヨタ自動車株式会社 半導体装置
WO2019098270A1 (ja) 2017-11-15 2019-05-23 富士電機株式会社 半導体装置

Also Published As

Publication number Publication date
JP2021190496A (ja) 2021-12-13
DE102021107989A1 (de) 2021-12-02
CN113745312B (zh) 2024-08-06
US12159944B2 (en) 2024-12-03
US20210376167A1 (en) 2021-12-02
CN113745312A (zh) 2021-12-03

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