JP2022007763A - 半導体装置およびその製造方法 - Google Patents

半導体装置およびその製造方法 Download PDF

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Publication number
JP2022007763A
JP2022007763A JP2020110888A JP2020110888A JP2022007763A JP 2022007763 A JP2022007763 A JP 2022007763A JP 2020110888 A JP2020110888 A JP 2020110888A JP 2020110888 A JP2020110888 A JP 2020110888A JP 2022007763 A JP2022007763 A JP 2022007763A
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JP
Japan
Prior art keywords
metal layer
semiconductor substrate
layer
lower metal
region
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
JP2020110888A
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English (en)
Japanese (ja)
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JP2022007763A5 (https=
Inventor
誠二 野間
Seiji Noma
智英 志賀
Tomohide Shiga
厚慈 千田
Atsushige Senda
明高 添野
Akitaka Soeno
剛 西脇
Takeshi Nishiwaki
雄太 古村
Yuta Komura
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
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Priority to JP2020110888A priority Critical patent/JP2022007763A/ja
Priority to PCT/JP2021/023793 priority patent/WO2021261521A1/ja
Priority to CN202180045017.7A priority patent/CN115735264A/zh
Publication of JP2022007763A publication Critical patent/JP2022007763A/ja
Publication of JP2022007763A5 publication Critical patent/JP2022007763A5/ja
Priority to US18/065,916 priority patent/US12581716B2/en
Pending legal-status Critical Current

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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]
    • H10D30/01Manufacture or treatment
    • H10D30/021Manufacture or treatment of FETs having insulated gates [IGFET]
    • 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
    • H10D62/17Semiconductor 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
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/01Manufacture or treatment
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/01Manufacture or treatment
    • H10D64/011Manufacture or treatment of electrodes ohmically coupled to a semiconductor
    • 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 
    • H10D64/23Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
    • H10D64/232Emitter electrodes for IGBTs
    • 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
    • H10D8/00Diodes
    • H10D8/60Schottky-barrier 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
    • H10D84/60Integrated 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 H10D10/00 or H10D18/00, e.g. integration of BJTs
    • H10D84/611Combinations of BJTs and one or more of diodes, resistors or capacitors
    • H10D84/613Combinations of vertical BJTs and one or more of diodes, resistors or capacitors
    • H10D84/617Combinations of vertical BJTs and only diodes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/60Electrodes characterised by their materials
    • H10D64/64Electrodes comprising a Schottky barrier to a semiconductor
    • 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

  • Electrodes Of Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
JP2020110888A 2020-06-26 2020-06-26 半導体装置およびその製造方法 Pending JP2022007763A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020110888A JP2022007763A (ja) 2020-06-26 2020-06-26 半導体装置およびその製造方法
PCT/JP2021/023793 WO2021261521A1 (ja) 2020-06-26 2021-06-23 半導体装置およびその製造方法
CN202180045017.7A CN115735264A (zh) 2020-06-26 2021-06-23 半导体装置及其制造方法
US18/065,916 US12581716B2 (en) 2020-06-26 2022-12-14 Semiconductor device with metal film on semiconductor substrate and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020110888A JP2022007763A (ja) 2020-06-26 2020-06-26 半導体装置およびその製造方法

Publications (2)

Publication Number Publication Date
JP2022007763A true JP2022007763A (ja) 2022-01-13
JP2022007763A5 JP2022007763A5 (https=) 2022-09-01

Family

ID=79281330

Family Applications (1)

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JP2020110888A Pending JP2022007763A (ja) 2020-06-26 2020-06-26 半導体装置およびその製造方法

Country Status (4)

Country Link
US (1) US12581716B2 (https=)
JP (1) JP2022007763A (https=)
CN (1) CN115735264A (https=)
WO (1) WO2021261521A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024098458A (ja) * 2023-01-10 2024-07-23 富士電機株式会社 半導体装置
CN116632053B (zh) * 2023-07-25 2024-01-30 深圳市美浦森半导体有限公司 一种rc-igbt器件的控制方法
WO2026048279A1 (ja) * 2024-08-28 2026-03-05 株式会社デンソー 半導体素子

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01238162A (ja) * 1988-03-18 1989-09-22 Nec Corp 半導体装置
JPH0376030B2 (https=) * 1981-09-11 1991-12-04 Fujitsu Ltd
JPH08124877A (ja) * 1994-10-24 1996-05-17 Sanyo Electric Co Ltd 半導体集積回路の製造方法
JP2006351717A (ja) * 2005-06-14 2006-12-28 Toyota Motor Corp 半導体装置及びその製造方法
JP5457613B1 (ja) * 2012-07-03 2014-04-02 新電元工業株式会社 半導体装置
JP2014146785A (ja) * 2013-01-07 2014-08-14 Denso Corp 半導体装置
JP2015216200A (ja) * 2014-05-09 2015-12-03 株式会社豊田中央研究所 半導体装置
JP2016143804A (ja) * 2015-02-03 2016-08-08 トヨタ自動車株式会社 半導体装置
JP2017135283A (ja) * 2016-01-28 2017-08-03 ローム株式会社 半導体装置および半導体装置の製造方法
JP2018101662A (ja) * 2016-12-19 2018-06-28 パナソニックIpマネジメント株式会社 半導体素子
JP2019145667A (ja) * 2018-02-21 2019-08-29 ルネサスエレクトロニクス株式会社 半導体装置および半導体装置の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0638493B2 (ja) 1984-02-15 1994-05-18 三洋電機株式会社 半導体集積回路の製造方法
JPS6312952A (ja) 1986-07-04 1988-01-20 Mitsubishi Heavy Ind Ltd ガスクロマトグラフ用保温ガスサンプラ
EP1819202B1 (en) * 2006-02-10 2011-04-06 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and manufacturing method thereof
JP2008021701A (ja) * 2006-07-11 2008-01-31 Sharp Corp 半導体装置及びその製造方法
JP5549118B2 (ja) 2009-05-27 2014-07-16 トヨタ自動車株式会社 半導体装置の製造方法
JP2016054250A (ja) * 2014-09-04 2016-04-14 豊田合成株式会社 半導体装置、製造方法、方法
JP2016099127A (ja) * 2014-11-18 2016-05-30 富士電機株式会社 パワー半導体モジュールの製造方法及びその中間組立ユニット
JP6616691B2 (ja) * 2016-01-18 2019-12-04 ルネサスエレクトロニクス株式会社 半導体装置およびその製造方法
JP6773577B2 (ja) 2017-02-01 2020-10-21 トヨタ自動車株式会社 半導体装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0376030B2 (https=) * 1981-09-11 1991-12-04 Fujitsu Ltd
JPH01238162A (ja) * 1988-03-18 1989-09-22 Nec Corp 半導体装置
JPH08124877A (ja) * 1994-10-24 1996-05-17 Sanyo Electric Co Ltd 半導体集積回路の製造方法
JP2006351717A (ja) * 2005-06-14 2006-12-28 Toyota Motor Corp 半導体装置及びその製造方法
JP5457613B1 (ja) * 2012-07-03 2014-04-02 新電元工業株式会社 半導体装置
JP2014146785A (ja) * 2013-01-07 2014-08-14 Denso Corp 半導体装置
JP2015216200A (ja) * 2014-05-09 2015-12-03 株式会社豊田中央研究所 半導体装置
JP2016143804A (ja) * 2015-02-03 2016-08-08 トヨタ自動車株式会社 半導体装置
JP2017135283A (ja) * 2016-01-28 2017-08-03 ローム株式会社 半導体装置および半導体装置の製造方法
JP2018101662A (ja) * 2016-12-19 2018-06-28 パナソニックIpマネジメント株式会社 半導体素子
JP2019145667A (ja) * 2018-02-21 2019-08-29 ルネサスエレクトロニクス株式会社 半導体装置および半導体装置の製造方法

Also Published As

Publication number Publication date
WO2021261521A1 (ja) 2021-12-30
US12581716B2 (en) 2026-03-17
CN115735264A (zh) 2023-03-03
US20230125063A1 (en) 2023-04-20

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