JP5011881B2 - 半導体装置の製造方法 - Google Patents

半導体装置の製造方法 Download PDF

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Publication number
JP5011881B2
JP5011881B2 JP2006219477A JP2006219477A JP5011881B2 JP 5011881 B2 JP5011881 B2 JP 5011881B2 JP 2006219477 A JP2006219477 A JP 2006219477A JP 2006219477 A JP2006219477 A JP 2006219477A JP 5011881 B2 JP5011881 B2 JP 5011881B2
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conductivity type
type layer
layer
substrate
forming
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Japanese (ja)
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JP2008047602A (ja
JP2008047602A5 (enExample
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仁 山口
健 宮嶋
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Denso Corp
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Denso Corp
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Priority to US11/889,075 priority patent/US7635622B2/en
Publication of JP2008047602A publication Critical patent/JP2008047602A/ja
Priority to US12/614,632 priority patent/US7858475B2/en
Publication of JP2008047602A5 publication Critical patent/JP2008047602A5/ja
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    • 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
    • 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]
    • H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/66—Vertical DMOS [VDMOS] FETs
    • H10D30/665—Vertical DMOS [VDMOS] FETs having edge termination structures
    • 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
    • H10D62/01—Manufacture or treatment
    • H10D62/051—Forming charge compensation regions, e.g. superjunctions
    • 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
    • H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
    • H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
    • H10D62/105—Constructional 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] 
    • H10D62/109—Reduced surface field [RESURF] PN junction structures
    • H10D62/111—Multiple RESURF structures, e.g. double RESURF or 3D-RESURF structures
    • 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
    • H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
    • H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
    • H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
    • H10D84/017—Manufacturing their source or drain regions, e.g. silicided source or drain regions
    • 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
    • H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
    • H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
    • H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
    • H10D84/0195—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices the components including vertical IGFETs
    • 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
    • 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
    • H10D62/113—Isolations within a component, i.e. internal isolations
    • H10D62/115—Dielectric isolations, e.g. air gaps
    • 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
    • H10D62/113—Isolations within a component, i.e. internal isolations
    • H10D62/115—Dielectric isolations, e.g. air gaps
    • H10D62/116—Dielectric isolations, e.g. air gaps adjoining the input or output regions of field-effect devices, e.g. adjoining source or drain regions
    • 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
    • H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
    • H10D62/393—Body regions of DMOS transistors or IGBTs 
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S438/00—Semiconductor device manufacturing: process
    • Y10S438/977—Thinning or removal of substrate

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  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Thyristors (AREA)
  • Junction Field-Effect Transistors (AREA)
JP2006219477A 2006-08-11 2006-08-11 半導体装置の製造方法 Expired - Fee Related JP5011881B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006219477A JP5011881B2 (ja) 2006-08-11 2006-08-11 半導体装置の製造方法
US11/889,075 US7635622B2 (en) 2006-08-11 2007-08-09 Method for manufacturing a vertical transistor that includes a super junction structure
US12/614,632 US7858475B2 (en) 2006-08-11 2009-11-09 Method for manufacturing a vertical transistor that includes a super junction structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006219477A JP5011881B2 (ja) 2006-08-11 2006-08-11 半導体装置の製造方法

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JP2012091786A Division JP2012160753A (ja) 2012-04-13 2012-04-13 半導体装置の製造方法

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JP2008047602A JP2008047602A (ja) 2008-02-28
JP2008047602A5 JP2008047602A5 (enExample) 2010-01-07
JP5011881B2 true JP5011881B2 (ja) 2012-08-29

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Cited By (1)

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US10510879B2 (en) 2018-03-22 2019-12-17 Kabushiki Kaisha Toshiba Semiconductor device

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US20090166722A1 (en) * 2007-12-28 2009-07-02 Alpha & Omega Semiconductor, Ltd: High voltage structures and methods for vertical power devices with improved manufacturability
US7893488B2 (en) * 2008-08-20 2011-02-22 Alpha & Omega Semiconductor, Inc. Charged balanced devices with shielded gate trench
US20120273916A1 (en) 2011-04-27 2012-11-01 Yedinak Joseph A Superjunction Structures for Power Devices and Methods of Manufacture
US9508805B2 (en) 2008-12-31 2016-11-29 Alpha And Omega Semiconductor Incorporated Termination design for nanotube MOSFET
US7943989B2 (en) * 2008-12-31 2011-05-17 Alpha And Omega Semiconductor Incorporated Nano-tube MOSFET technology and devices
US7910486B2 (en) * 2009-06-12 2011-03-22 Alpha & Omega Semiconductor, Inc. Method for forming nanotube semiconductor devices
US8299494B2 (en) 2009-06-12 2012-10-30 Alpha & Omega Semiconductor, Inc. Nanotube semiconductor devices
JP5218326B2 (ja) * 2009-08-11 2013-06-26 信越半導体株式会社 並列ｐｎ接合構造を有する半導体基板の製造方法
JP5532758B2 (ja) * 2009-08-31 2014-06-25 富士電機株式会社 半導体装置の製造方法および半導体装置
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CN112514037A (zh) * 2018-07-27 2021-03-16 日产自动车株式会社 半导体装置及其制造方法
CN113628968B (zh) * 2020-05-06 2022-06-24 苏州东微半导体股份有限公司 半导体超结器件的制造方法
CN111785656B (zh) * 2020-07-28 2023-08-15 哈尔滨工业大学 电子器件氧化层中固定负电荷陷阱的检测方法
JP7339935B2 (ja) * 2020-09-18 2023-09-06 株式会社東芝 半導体部材の製造方法及び半導体装置の製造方法
CN115566039A (zh) * 2021-07-01 2023-01-03 深圳尚阳通科技有限公司 超结器件及其制造方法
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10510879B2 (en) 2018-03-22 2019-12-17 Kabushiki Kaisha Toshiba Semiconductor device

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US7635622B2 (en) 2009-12-22
US20100112765A1 (en) 2010-05-06
US20080038850A1 (en) 2008-02-14
US7858475B2 (en) 2010-12-28
JP2008047602A (ja) 2008-02-28

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