CN120937521A - 半导体装置以及半导体装置的制造方法 - Google Patents

半导体装置以及半导体装置的制造方法

Info

Publication number
CN120937521A
CN120937521A CN202480021270.2A CN202480021270A CN120937521A CN 120937521 A CN120937521 A CN 120937521A CN 202480021270 A CN202480021270 A CN 202480021270A CN 120937521 A CN120937521 A CN 120937521A
Authority
CN
China
Prior art keywords
region
semiconductor device
contact
trench
conductivity type
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.)
Pending
Application number
CN202480021270.2A
Other languages
English (en)
Chinese (zh)
Inventor
立道秀平
内藤达也
大西泰彦
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Publication of CN120937521A publication Critical patent/CN120937521A/zh
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
    • H10D62/124Shapes, 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
    • H10D62/102Constructional 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
    • H10D62/107Buried supplementary regions, e.g. buried guard rings 
    • 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]
    • 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
    • H10D30/00Field-effect transistors [FET]
    • H10D30/01Manufacture or treatment
    • 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
    • H10D62/60Impurity distributions or concentrations
    • 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
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D8/00Diodes
    • H10D8/50PIN diodes 
    • 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
    • H10D84/01Manufacture or treatment
    • H10D84/0107Integrating at least one component covered by H10D12/00 or H10D30/00 with at least one component covered by H10D8/00, H10D10/00 or H10D18/00, e.g. integrating IGFETs with BJTs
    • H10D84/0109Integrating at least one component covered by H10D12/00 or H10D30/00 with at least one component covered by H10D8/00, H10D10/00 or H10D18/00, e.g. integrating IGFETs with BJTs the at least one component covered by H10D12/00 or H10D30/00 being a MOS device
    • 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
    • H10D84/101Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
    • H10D84/161IGBT having built-in components
    • 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

Landscapes

  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
CN202480021270.2A 2023-10-13 2024-10-11 半导体装置以及半导体装置的制造方法 Pending CN120937521A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023177452 2023-10-13
JP2023-177452 2023-10-13
PCT/JP2024/036553 WO2025079715A1 (ja) 2023-10-13 2024-10-11 半導体装置および半導体装置の製造方法

Publications (1)

Publication Number Publication Date
CN120937521A true CN120937521A (zh) 2025-11-11

Family

ID=95395677

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202480021270.2A Pending CN120937521A (zh) 2023-10-13 2024-10-11 半导体装置以及半导体装置的制造方法

Country Status (4)

Country Link
US (1) US20260020293A1 (https=)
JP (1) JPWO2025079715A1 (https=)
CN (1) CN120937521A (https=)
WO (1) WO2025079715A1 (https=)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101396611B1 (ko) * 2010-04-28 2014-05-16 닛산 지도우샤 가부시키가이샤 반도체 장치
JP2014075582A (ja) * 2012-09-12 2014-04-24 Fuji Electric Co Ltd 半導体装置および半導体装置の製造方法
JP6863479B2 (ja) * 2017-12-14 2021-04-21 富士電機株式会社 半導体装置およびその製造方法
JP7101593B2 (ja) * 2018-10-30 2022-07-15 三菱電機株式会社 半導体装置
JP7247930B2 (ja) * 2020-03-10 2023-03-29 株式会社デンソー 半導体装置
JP7848526B2 (ja) * 2022-03-15 2026-04-21 富士電機株式会社 半導体装置

Also Published As

Publication number Publication date
JPWO2025079715A1 (https=) 2025-04-17
US20260020293A1 (en) 2026-01-15
WO2025079715A1 (ja) 2025-04-17

Similar Documents

Publication Publication Date Title
JP7211516B2 (ja) 半導体装置
US12369370B2 (en) Semiconductor device and manufacturing method for semiconductor device
US12593500B2 (en) Semiconductor device
US20240006520A1 (en) Semiconductor device
US20240363623A1 (en) Semiconductor device
WO2021145080A1 (ja) 半導体装置
US20240162285A1 (en) Semiconductor device and manufacturing method of semiconductor device
WO2022239284A1 (ja) 半導体装置
US20230378333A1 (en) Semiconductor device
EP4350776B1 (en) Semiconductor device
JP7231064B2 (ja) 半導体装置
US20240274663A1 (en) Semiconductor device
JP7670132B2 (ja) 半導体装置および半導体装置の製造方法
CN117913137A (zh) 半导体装置及半导体装置的制造方法
CN120937521A (zh) 半导体装置以及半导体装置的制造方法
US20240072110A1 (en) Semiconductor device and manufacturing method of semiconductor device
US20250386588A1 (en) Semiconductor device
US20250380490A1 (en) Semiconductor device
US12520570B2 (en) Semiconductor device
US20250351553A1 (en) Semiconductor device
US20250185349A1 (en) Semiconductor device
US20250072103A1 (en) Semiconductor device
WO2025177946A1 (ja) 半導体装置
CN119631593A (zh) 半导体装置
WO2026070780A1 (ja) 半導体装置および半導体装置の製造方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination