CN207474470U - 半导体器件 - Google Patents

半导体器件 Download PDF

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Publication number
CN207474470U
CN207474470U CN201721135203.7U CN201721135203U CN207474470U CN 207474470 U CN207474470 U CN 207474470U CN 201721135203 U CN201721135203 U CN 201721135203U CN 207474470 U CN207474470 U CN 207474470U
Authority
CN
China
Prior art keywords
region
contact
gate electrode
emitter electrode
semiconductor substrate
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.)
Withdrawn - After Issue
Application number
CN201721135203.7U
Other languages
English (en)
Chinese (zh)
Inventor
松尾隆充
松浦仁
齐藤靖之
星野义典
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.)
Renesas Electronics Corp
Original Assignee
Renesas Electronics 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 Renesas Electronics Corp filed Critical Renesas Electronics Corp
Application granted granted Critical
Publication of CN207474470U publication Critical patent/CN207474470U/zh
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411Insulated-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]
    • H10D12/01Manufacture or treatment
    • 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
    • H10D12/032Manufacture or treatment of IGBTs of vertical IGBTs
    • H10D12/035Etching a recess in the emitter region 
    • 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
    • H10D12/032Manufacture or treatment of IGBTs of vertical IGBTs
    • H10D12/038Manufacture or treatment of IGBTs of vertical IGBTs having a recessed gate, e.g. trench-gate IGBTs
    • 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
    • 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
    • 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
    • H10D64/111Field 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
    • H10D64/512Disposition 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
    • 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
    • H10D64/518Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their lengths or sectional shapes
    • 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

Landscapes

  • Electrodes Of Semiconductors (AREA)
CN201721135203.7U 2016-09-12 2017-09-06 半导体器件 Withdrawn - After Issue CN207474470U (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016177746A JP6786316B2 (ja) 2016-09-12 2016-09-12 半導体装置の製造方法
JP2016-177746 2016-09-12

Publications (1)

Publication Number Publication Date
CN207474470U true CN207474470U (zh) 2018-06-08

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
CN201721135203.7U Withdrawn - After Issue CN207474470U (zh) 2016-09-12 2017-09-06 半导体器件
CN201710794982.XA Active CN107819032B (zh) 2016-09-12 2017-09-06 半导体器件及其制造方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201710794982.XA Active CN107819032B (zh) 2016-09-12 2017-09-06 半导体器件及其制造方法

Country Status (5)

Country Link
US (1) US10600896B2 (OSRAM)
EP (2) EP3293770A1 (OSRAM)
JP (1) JP6786316B2 (OSRAM)
CN (2) CN207474470U (OSRAM)
TW (1) TWI717551B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107819032A (zh) * 2016-09-12 2018-03-20 瑞萨电子株式会社 半导体器件及其制造方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7125339B2 (ja) * 2018-12-26 2022-08-24 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
EP3863062B1 (en) * 2020-02-07 2025-05-21 Infineon Technologies Austria AG Semiconductor transistor device and method of manufacturing the same
JP7475265B2 (ja) * 2020-12-14 2024-04-26 三菱電機株式会社 半導体装置及び半導体装置の製造方法
KR102861154B1 (ko) 2021-02-22 2025-09-17 삼성전자주식회사 반도체 장치
CN113178474A (zh) * 2021-03-02 2021-07-27 华为技术有限公司 半导体器件及其制作方法、及电子设备
CN114496910A (zh) * 2022-01-10 2022-05-13 上海华虹宏力半导体制造有限公司 双接触孔实现方法
JP7731320B2 (ja) * 2022-05-17 2025-08-29 ルネサスエレクトロニクス株式会社 半導体装置の製造方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5894149A (en) 1996-04-11 1999-04-13 Mitsubishi Denki Kabushiki Kaisha Semiconductor device having high breakdown voltage and method of manufacturing the same
JP4205128B2 (ja) * 1996-04-11 2009-01-07 三菱電機株式会社 高耐圧半導体装置およびその製造方法
JP2005057028A (ja) * 2003-08-04 2005-03-03 Sanken Electric Co Ltd 絶縁ゲート型バイポーラトランジスタ
JP2007207930A (ja) * 2006-01-31 2007-08-16 Toshiba Corp 残渣処理システム、残渣処理方法及び半導体装置の製造方法
JP2010505270A (ja) * 2006-09-27 2010-02-18 マックスパワー・セミコンダクター・インコーポレイテッド 窪んだフィールドプレートを備えたパワーmosfet
US8264033B2 (en) * 2009-07-21 2012-09-11 Infineon Technologies Austria Ag Semiconductor device having a floating semiconductor zone
US20130164895A1 (en) * 2011-12-12 2013-06-27 Maxpower Semiconductor, Inc. Trench-Gated Power Devices with Two Types of Trenches and Reliable Polycidation
JP5973730B2 (ja) * 2012-01-05 2016-08-23 ルネサスエレクトロニクス株式会社 Ie型トレンチゲートigbt
US8946002B2 (en) * 2012-07-24 2015-02-03 Semiconductor Components Industries, Llc Method of forming a semiconductor device having a patterned gate dielectric and structure therefor
JP6284314B2 (ja) * 2012-08-21 2018-02-28 ローム株式会社 半導体装置
JP6190206B2 (ja) * 2012-08-21 2017-08-30 ローム株式会社 半導体装置
JP5900243B2 (ja) 2012-08-23 2016-04-06 住友電気工業株式会社 炭化珪素半導体装置の製造方法
JP2014075483A (ja) 2012-10-04 2014-04-24 Sanken Electric Co Ltd 半導体装置及び半導体装置の製造方法
US9666663B2 (en) * 2013-08-09 2017-05-30 Infineon Technologies Ag Semiconductor device with cell trench structures and contacts and method of manufacturing a semiconductor device
JP6354458B2 (ja) * 2014-08-27 2018-07-11 富士電機株式会社 半導体装置
JP5758058B1 (ja) 2015-03-23 2015-08-05 株式会社コーチ・エィ コーチング支援システム、コーチング支援方法、およびコーチング支援プログラム
JP6472714B2 (ja) * 2015-06-03 2019-02-20 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
JP6584893B2 (ja) 2015-09-25 2019-10-02 ルネサスエレクトロニクス株式会社 半導体装置の製造方法
JP6786316B2 (ja) * 2016-09-12 2020-11-18 ルネサスエレクトロニクス株式会社 半導体装置の製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107819032A (zh) * 2016-09-12 2018-03-20 瑞萨电子株式会社 半导体器件及其制造方法
CN107819032B (zh) * 2016-09-12 2023-10-24 瑞萨电子株式会社 半导体器件及其制造方法

Also Published As

Publication number Publication date
EP3483940A1 (en) 2019-05-15
CN107819032A (zh) 2018-03-20
TW201826541A (zh) 2018-07-16
TWI717551B (zh) 2021-02-01
JP6786316B2 (ja) 2020-11-18
EP3483940B1 (en) 2020-07-22
CN107819032B (zh) 2023-10-24
EP3293770A1 (en) 2018-03-14
US10600896B2 (en) 2020-03-24
US20180076308A1 (en) 2018-03-15
JP2018046053A (ja) 2018-03-22

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Granted publication date: 20180608

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Granted publication date: 20180608

Effective date of abandoning: 20231024

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