JP7540600B2 - 半導体装置 - Google Patents

半導体装置 Download PDF

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Publication number
JP7540600B2
JP7540600B2 JP2023536659A JP2023536659A JP7540600B2 JP 7540600 B2 JP7540600 B2 JP 7540600B2 JP 2023536659 A JP2023536659 A JP 2023536659A JP 2023536659 A JP2023536659 A JP 2023536659A JP 7540600 B2 JP7540600 B2 JP 7540600B2
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Japan
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region
pad
diode
igbt
electrode
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Japanese (ja)
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JPWO2023002795A5 (https=
JPWO2023002795A1 (https=
Inventor
啓太 福谷
タスビル ラホマン
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Denso Corp
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Denso Corp
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Priority to JP2024127824A priority Critical patent/JP7782627B2/ja
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    • 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]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • 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
    • H10D62/128Anode regions of diodes
    • 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
    • H10D62/129Cathode regions of diodes
    • 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
    • H10D62/13Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
    • H10D62/141Anode or cathode regions of thyristors; Collector or emitter regions of gated bipolar-mode devices, e.g. of IGBTs
    • H10D62/142Anode regions of thyristors or collector regions of gated bipolar-mode devices
    • 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
    • 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
    • H10D64/517Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
    • H10D64/519Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their top-view geometrical layouts
    • 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
    • H10D84/80Integrated 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
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W40/00Arrangements for thermal protection or thermal control
    • H10W40/70Fillings or auxiliary members in containers or in encapsulations for thermal protection or control
    • H10W40/77Auxiliary members characterised by their shape
    • H10W40/778Auxiliary members characterised by their shape in encapsulations
    • 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
    • H10W70/00Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/40Leadframes
    • H10W70/461Leadframes specially adapted for cooling
    • 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
    • H10W70/00Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/40Leadframes
    • H10W70/481Leadframes for devices being provided for in groups H10D8/00 - H10D48/00
    • 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
    • H10W74/111Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed
    • 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
    • H10D84/813Combinations of field-effect devices and capacitor only
    • 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
    • H10W20/00Interconnections in chips, wafers or substrates
    • H10W20/40Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
    • H10W20/482Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes for individual devices provided for in groups H10D8/00 - H10D48/00, e.g. for power transistors
    • H10W20/484Interconnections having extended contours, e.g. pads having mesh shape or interconnections comprising connected parallel stripes

Landscapes

  • Electrodes Of Semiconductors (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Inverter Devices (AREA)
JP2023536659A 2021-07-20 2022-06-22 半導体装置 Active JP7540600B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024127824A JP7782627B2 (ja) 2021-07-20 2024-08-02 半導体装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021119227 2021-07-20
JP2021119227 2021-07-20
PCT/JP2022/024840 WO2023002795A1 (ja) 2021-07-20 2022-06-22 半導体装置

Related Child Applications (1)

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JP2024127824A Division JP7782627B2 (ja) 2021-07-20 2024-08-02 半導体装置

Publications (3)

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JPWO2023002795A1 JPWO2023002795A1 (https=) 2023-01-26
JPWO2023002795A5 JPWO2023002795A5 (https=) 2023-12-13
JP7540600B2 true JP7540600B2 (ja) 2024-08-27

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JP2023536659A Active JP7540600B2 (ja) 2021-07-20 2022-06-22 半導体装置
JP2024127824A Active JP7782627B2 (ja) 2021-07-20 2024-08-02 半導体装置

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Country Status (4)

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US (1) US20240072045A1 (https=)
JP (2) JP7540600B2 (https=)
CN (1) CN117581383A (https=)
WO (1) WO2023002795A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025077262A (ja) * 2023-11-06 2025-05-19 株式会社デンソー 半導体装置
JP2025091867A (ja) * 2023-12-08 2025-06-19 ミネベアパワーデバイス株式会社 半導体装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009111188A (ja) 2007-10-30 2009-05-21 Denso Corp 半導体装置
JP2012156564A (ja) 2008-12-24 2012-08-16 Denso Corp 半導体装置
WO2016006696A1 (ja) 2014-07-11 2016-01-14 新電元工業株式会社 半導体装置及び半導体装置の製造方法
WO2018016284A1 (ja) 2016-07-21 2018-01-25 株式会社デンソー 半導体装置
WO2018074425A1 (ja) 2016-10-17 2018-04-26 富士電機株式会社 半導体装置
JP2018160488A (ja) 2017-03-22 2018-10-11 トヨタ自動車株式会社 半導体装置
WO2020137124A1 (ja) 2018-12-25 2020-07-02 株式会社日立製作所 炭化ケイ素半導体装置、電力変換装置、3相モータシステム、自動車および鉄道車両
WO2021059881A1 (ja) 2019-09-25 2021-04-01 富士電機株式会社 半導体装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6728638B2 (ja) 2015-11-10 2020-07-22 富士電機株式会社 半導体デバイスの製造方法
JP7363586B2 (ja) 2020-03-04 2023-10-18 株式会社デンソー 半導体装置
JP7403386B2 (ja) * 2020-05-27 2023-12-22 三菱電機株式会社 半導体装置
CN117242580A (zh) * 2021-04-26 2023-12-15 三菱电机株式会社 半导体装置
JP7706415B2 (ja) * 2022-04-26 2025-07-11 三菱電機株式会社 半導体装置および電力変換装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009111188A (ja) 2007-10-30 2009-05-21 Denso Corp 半導体装置
JP2012156564A (ja) 2008-12-24 2012-08-16 Denso Corp 半導体装置
WO2016006696A1 (ja) 2014-07-11 2016-01-14 新電元工業株式会社 半導体装置及び半導体装置の製造方法
WO2018016284A1 (ja) 2016-07-21 2018-01-25 株式会社デンソー 半導体装置
WO2018074425A1 (ja) 2016-10-17 2018-04-26 富士電機株式会社 半導体装置
JP2018160488A (ja) 2017-03-22 2018-10-11 トヨタ自動車株式会社 半導体装置
WO2020137124A1 (ja) 2018-12-25 2020-07-02 株式会社日立製作所 炭化ケイ素半導体装置、電力変換装置、3相モータシステム、自動車および鉄道車両
WO2021059881A1 (ja) 2019-09-25 2021-04-01 富士電機株式会社 半導体装置

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Publication number Publication date
CN117581383A (zh) 2024-02-20
US20240072045A1 (en) 2024-02-29
JP7782627B2 (ja) 2025-12-09
WO2023002795A1 (ja) 2023-01-26
JPWO2023002795A1 (https=) 2023-01-26
JP2024156875A (ja) 2024-11-06

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