JP6245107B2 - 半導体装置及び半導体装置の製造方法 - Google Patents

半導体装置及び半導体装置の製造方法 Download PDF

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Publication number
JP6245107B2
JP6245107B2 JP2014160719A JP2014160719A JP6245107B2 JP 6245107 B2 JP6245107 B2 JP 6245107B2 JP 2014160719 A JP2014160719 A JP 2014160719A JP 2014160719 A JP2014160719 A JP 2014160719A JP 6245107 B2 JP6245107 B2 JP 6245107B2
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insulating film
contact
semiconductor
semiconductor substrate
trench
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Japanese (ja)
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JP2016039215A5 (enExample
JP2016039215A (ja
Inventor
亀山　悟
悟 亀山
忠司 三角
忠司 三角
淳 大河原
淳 大河原
真也 岩崎
真也 岩崎
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Toyota Motor Corp
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Toyota Motor Corp
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Priority to JP2014160719A priority Critical patent/JP6245107B2/ja
Priority to PCT/JP2015/066523 priority patent/WO2016021299A1/ja
Priority to US15/325,954 priority patent/US9966372B2/en
Publication of JP2016039215A publication Critical patent/JP2016039215A/ja
Publication of JP2016039215A5 publication Critical patent/JP2016039215A5/ja
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/40—Integrated 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 with at least one component covered by groups H10D10/00 or H10D18/00, e.g. integration of IGFETs with BJTs
    • H10D84/401—Combinations of FETs or IGBTs with BJTs
    • H10D84/403—Combinations of FETs or IGBTs with BJTs and with one or more of diodes, resistors or capacitors
    • H10D84/406—Combinations of FETs or IGBTs with vertical BJTs and with one or more of diodes, resistors or capacitors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411—Insulated-gate bipolar transistors [IGBT]
    • H10D12/441—Vertical IGBTs
    • H10D12/461—Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions
    • H10D12/481—Vertical 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/01—Manufacture or treatment
    • H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
    • H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
    • H10D30/0291—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
    • H10D30/0297—Manufacture 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/60—Insulated-gate field-effect transistors [IGFET]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/60—Insulated-gate field-effect transistors [IGFET]
    • H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/66—Vertical DMOS [VDMOS] FETs
    • H10D30/668—Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
    • H10D62/126—Top-view geometrical layouts of the regions or the junctions
    • H10D62/127—Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00—Electrodes of devices having potential barriers
    • H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions 
    • H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00—Electrodes of devices having potential barriers
    • H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions 
    • H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
    • H10D64/231—Emitter or collector electrodes for bipolar transistors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D8/00—Diodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D8/00—Diodes
    • H10D8/422—PN diodes having the PN junctions in mesas
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/01—Manufacture or treatment
    • H10D84/0107—Integrating 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
    • H10D84/0109—Integrating 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/01—Manufacture or treatment
    • H10D84/02—Manufacture or treatment characterised by using material-based technologies
    • H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
    • H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/101—Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
    • H10D84/141—VDMOS having built-in components
    • H10D84/143—VDMOS having built-in components the built-in components being PN junction diodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/80—Integrated 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
    • H10D84/811—Combinations of field-effect devices and one or more diodes, capacitors or resistors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W20/00—Interconnections in chips, wafers or substrates
    • H10W20/01—Manufacture or treatment
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W20/00—Interconnections in chips, wafers or substrates
    • H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
    • H10W20/41—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes characterised by their conductive parts
    • H10W20/42—Vias, e.g. via plugs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W20/00—Interconnections in chips, wafers or substrates
    • H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
    • H10W20/41—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes characterised by their conductive parts
    • H10W20/435—Cross-sectional shapes or dispositions of interconnections

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  • Electrodes Of Semiconductors (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
JP2014160719A 2014-08-06 2014-08-06 半導体装置及び半導体装置の製造方法 Active JP6245107B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2014160719A JP6245107B2 (ja) 2014-08-06 2014-08-06 半導体装置及び半導体装置の製造方法
PCT/JP2015/066523 WO2016021299A1 (ja) 2014-08-06 2015-06-08 半導体装置及び半導体装置の製造方法
US15/325,954 US9966372B2 (en) 2014-08-06 2015-06-08 Semiconductor device and method of manufacturing semiconductor device having parallel contact holes between adjacent trenches

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Application Number Priority Date Filing Date Title
JP2014160719A JP6245107B2 (ja) 2014-08-06 2014-08-06 半導体装置及び半導体装置の製造方法

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JP2016039215A JP2016039215A (ja) 2016-03-22
JP2016039215A5 JP2016039215A5 (enExample) 2016-12-08
JP6245107B2 true JP6245107B2 (ja) 2017-12-13

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US (1) US9966372B2 (enExample)
JP (1) JP6245107B2 (enExample)
WO (1) WO2016021299A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12660219B2 (en) 2022-08-09 2026-06-16 Kabushiki Kaisha Toshiba Semiconductor device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6673088B2 (ja) * 2016-08-05 2020-03-25 トヨタ自動車株式会社 半導体装置
JP6673499B2 (ja) * 2016-11-17 2020-03-25 富士電機株式会社 半導体装置
US10510832B2 (en) 2017-07-14 2019-12-17 Fuji Electric Co., Ltd. Semiconductor device
JP7143575B2 (ja) * 2017-07-18 2022-09-29 富士電機株式会社 半導体装置
JP6958210B2 (ja) * 2017-10-11 2021-11-02 株式会社デンソー 半導体装置
JP7687114B2 (ja) * 2021-07-29 2025-06-03 富士電機株式会社 半導体装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4797265B2 (ja) * 2001-03-21 2011-10-19 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
JP2011044494A (ja) 2009-08-19 2011-03-03 Panasonic Corp 半導体装置およびその製造方法
JP5566272B2 (ja) * 2010-11-26 2014-08-06 三菱電機株式会社 半導体装置
US9608071B2 (en) 2012-02-14 2017-03-28 Toyota Jidosha Kabushiki Kaisha IGBT and IGBT manufacturing method
JP2014013850A (ja) * 2012-07-05 2014-01-23 Sumitomo Electric Ind Ltd 炭化珪素基板および半導体装置の製造方法、ならびに炭化珪素基板および半導体装置
JP6112600B2 (ja) 2012-12-10 2017-04-12 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
JP5924420B2 (ja) 2012-12-20 2016-05-25 トヨタ自動車株式会社 半導体装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12660219B2 (en) 2022-08-09 2026-06-16 Kabushiki Kaisha Toshiba Semiconductor device

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WO2016021299A1 (ja) 2016-02-11
JP2016039215A (ja) 2016-03-22
US9966372B2 (en) 2018-05-08
US20170162563A1 (en) 2017-06-08

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