JP2024102696A - トレンチゲート型半導体装置とその製造方法 - Google Patents

トレンチゲート型半導体装置とその製造方法 Download PDF

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Publication number
JP2024102696A
JP2024102696A JP2023006764A JP2023006764A JP2024102696A JP 2024102696 A JP2024102696 A JP 2024102696A JP 2023006764 A JP2023006764 A JP 2023006764A JP 2023006764 A JP2023006764 A JP 2023006764A JP 2024102696 A JP2024102696 A JP 2024102696A
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JP
Japan
Prior art keywords
trench
substrate
region
insulating film
semiconductor
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Pending
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JP2023006764A
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English (en)
Japanese (ja)
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JP2024102696A5 (https=
Inventor
英幹 富田
Hidemiki Tomita
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.)
Denso Corp
Toyota Motor Corp
Mirise Technologies Corp
Original Assignee
Denso Corp
Toyota Motor Corp
Mirise Technologies Corp
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Filing date
Publication date
Application filed by Denso Corp, Toyota Motor Corp, Mirise Technologies Corp filed Critical Denso Corp
Priority to JP2023006764A priority Critical patent/JP2024102696A/ja
Priority to US18/533,354 priority patent/US20240250166A1/en
Priority to CN202410066751.7A priority patent/CN118367009A/zh
Publication of JP2024102696A publication Critical patent/JP2024102696A/ja
Publication of JP2024102696A5 publication Critical patent/JP2024102696A5/ja
Pending legal-status Critical Current

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    • 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
    • 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
    • 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]
    • H10D30/024Manufacture or treatment of FETs having insulated gates [IGFET] of fin field-effect transistors [FinFET]
    • 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]
    • H10D30/62Fin field-effect transistors [FinFET]
    • 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
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the 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
    • H10D62/10Shapes, 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
    • H10D62/213Channel regions of field-effect devices
    • H10D62/221Channel regions of field-effect devices of FETs
    • H10D62/235Channel regions of field-effect devices of FETs of IGFETs
    • 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 
    • H10D64/27Electrodes 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
    • H10D64/512Disposition of the gate electrodes, e.g. buried gates
    • H10D64/513Disposition of the gate electrodes, e.g. buried gates within recesses in the substrate, e.g. trench gates, groove gates or buried gates
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P10/00Bonding of wafers, substrates or parts of devices
    • H10P10/12Bonding of semiconductor wafers or semiconductor substrates to semiconductor wafers or semiconductor substrates
    • H10P10/128Bonding of semiconductor wafers or semiconductor substrates to semiconductor wafers or semiconductor substrates by direct semiconductor to semiconductor bonding

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  • Electrodes Of Semiconductors (AREA)
JP2023006764A 2023-01-19 2023-01-19 トレンチゲート型半導体装置とその製造方法 Pending JP2024102696A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023006764A JP2024102696A (ja) 2023-01-19 2023-01-19 トレンチゲート型半導体装置とその製造方法
US18/533,354 US20240250166A1 (en) 2023-01-19 2023-12-08 Trench gate semiconductor device and method for manufacturing the same
CN202410066751.7A CN118367009A (zh) 2023-01-19 2024-01-17 沟槽栅极型半导体装置及其制造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023006764A JP2024102696A (ja) 2023-01-19 2023-01-19 トレンチゲート型半導体装置とその製造方法

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JP2024102696A true JP2024102696A (ja) 2024-07-31
JP2024102696A5 JP2024102696A5 (https=) 2025-05-07

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US (1) US20240250166A1 (https=)
JP (1) JP2024102696A (https=)
CN (1) CN118367009A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4671682A1 (en) 2024-06-26 2025-12-31 Seiko Epson Corporation PHYSICAL QUANTITY DETECTION DEVICE

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002246554A (ja) * 2001-02-19 2002-08-30 Toshiba Corp 半導体装置の製造方法
JP2008306047A (ja) * 2007-06-08 2008-12-18 Toyota Motor Corp 半導体装置の製造方法と半導体装置
JP2012248604A (ja) * 2011-05-26 2012-12-13 Denso Corp 半導体装置およびその製造方法
WO2013179589A1 (ja) * 2012-05-31 2013-12-05 株式会社デンソー 半導体装置
JP2015176927A (ja) * 2014-03-13 2015-10-05 株式会社東芝 半導体装置および絶縁ゲート型バイポーラトランジスタ
JP2018125490A (ja) * 2017-02-03 2018-08-09 株式会社デンソー 半導体装置
JP2019012836A (ja) * 2018-09-05 2019-01-24 株式会社タムラ製作所 半導体素子
JP2020115596A (ja) * 2016-08-12 2020-07-30 富士電機株式会社 半導体装置および半導体装置の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1812127A (zh) * 2004-12-14 2006-08-02 松下电器产业株式会社 纵型栅极半导体装置及其制造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002246554A (ja) * 2001-02-19 2002-08-30 Toshiba Corp 半導体装置の製造方法
JP2008306047A (ja) * 2007-06-08 2008-12-18 Toyota Motor Corp 半導体装置の製造方法と半導体装置
JP2012248604A (ja) * 2011-05-26 2012-12-13 Denso Corp 半導体装置およびその製造方法
WO2013179589A1 (ja) * 2012-05-31 2013-12-05 株式会社デンソー 半導体装置
JP2015176927A (ja) * 2014-03-13 2015-10-05 株式会社東芝 半導体装置および絶縁ゲート型バイポーラトランジスタ
JP2020115596A (ja) * 2016-08-12 2020-07-30 富士電機株式会社 半導体装置および半導体装置の製造方法
JP2018125490A (ja) * 2017-02-03 2018-08-09 株式会社デンソー 半導体装置
JP2019012836A (ja) * 2018-09-05 2019-01-24 株式会社タムラ製作所 半導体素子

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4671682A1 (en) 2024-06-26 2025-12-31 Seiko Epson Corporation PHYSICAL QUANTITY DETECTION DEVICE

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US20240250166A1 (en) 2024-07-25
CN118367009A (zh) 2024-07-19

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