CN102569388B - 半导体器件及其制造方法 - Google Patents

半导体器件及其制造方法 Download PDF

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Publication number
CN102569388B
CN102569388B CN201010603278.XA CN201010603278A CN102569388B CN 102569388 B CN102569388 B CN 102569388B CN 201010603278 A CN201010603278 A CN 201010603278A CN 102569388 B CN102569388 B CN 102569388B
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limiting ring
groove
isolated groove
field limiting
semiconductor device
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CN201010603278.XA
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Chinese (zh)
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CN102569388A (zh
Inventor
卞铮
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CSMC Technologies Corp
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CSMC Technologies Corp
Wuxi CSMC Semiconductor Co Ltd
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Priority to CN201010603278.XA priority Critical patent/CN102569388B/zh
Priority to PCT/CN2011/083110 priority patent/WO2012083784A1/en
Priority to JP2013545021A priority patent/JP6103712B2/ja
Publication of CN102569388A publication Critical patent/CN102569388A/zh
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/7801DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
    • H01L29/7802Vertical DMOS transistors, i.e. VDMOS transistors
    • H01L29/7811Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
    • H01L29/0603Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
    • H01L29/0607Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
    • H01L29/0611Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
    • H01L29/0615Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
    • H01L29/0619Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE] with a supplementary region doped oppositely to or in rectifying contact with the semiconductor containing or contacting region, e.g. guard rings with PN or Schottky junction
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
    • H01L29/0603Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
    • H01L29/0642Isolation within the component, i.e. internal isolation
    • H01L29/0649Dielectric regions, e.g. SiO2 regions, air gaps
    • H01L29/0653Dielectric regions, e.g. SiO2 regions, air gaps adjoining the input or output region of a field-effect device, e.g. the source or drain region
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/40Electrodes ; Multistep manufacturing processes therefor
    • H01L29/402Field plates
    • H01L29/407Recessed field plates, e.g. trench field plates, buried field plates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/66007Multistep manufacturing processes
    • H01L29/66075Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
    • H01L29/66227Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
    • H01L29/66409Unipolar field-effect transistors
    • H01L29/66477Unipolar field-effect transistors with an insulated gate, i.e. MISFET
    • H01L29/66674DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
    • H01L29/66712Vertical DMOS transistors, i.e. VDMOS transistors
    • H01L29/66727Vertical DMOS transistors, i.e. VDMOS transistors with a step of recessing the source electrode
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/66007Multistep manufacturing processes
    • H01L29/66075Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
    • H01L29/66227Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
    • H01L29/66409Unipolar field-effect transistors
    • H01L29/66477Unipolar field-effect transistors with an insulated gate, i.e. MISFET
    • H01L29/66674DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
    • H01L29/66712Vertical DMOS transistors, i.e. VDMOS transistors
    • H01L29/66734Vertical DMOS transistors, i.e. VDMOS transistors with a step of recessing the gate electrode, e.g. to form a trench gate electrode
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/7801DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
    • H01L29/7802Vertical DMOS transistors, i.e. VDMOS transistors
    • H01L29/7813Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Element Separation (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
CN201010603278.XA 2010-12-23 2010-12-23 半导体器件及其制造方法 Active CN102569388B (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201010603278.XA CN102569388B (zh) 2010-12-23 2010-12-23 半导体器件及其制造方法
PCT/CN2011/083110 WO2012083784A1 (en) 2010-12-23 2011-11-29 Semiconductor device and method for fabricating the same
JP2013545021A JP6103712B2 (ja) 2010-12-23 2011-11-29 半導体装置およびそれを製造するための方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010603278.XA CN102569388B (zh) 2010-12-23 2010-12-23 半导体器件及其制造方法

Publications (2)

Publication Number Publication Date
CN102569388A CN102569388A (zh) 2012-07-11
CN102569388B true CN102569388B (zh) 2014-09-10

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Country Status (3)

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JP (1) JP6103712B2 (ja)
CN (1) CN102569388B (ja)
WO (1) WO2012083784A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103794639B (zh) * 2012-10-29 2018-01-16 无锡华润上华科技有限公司 半导体器件
CN103187355B (zh) * 2013-01-29 2015-10-28 中航(重庆)微电子有限公司 具有隔离结构的半导体衬底及其制备方法
CN103280452A (zh) * 2013-05-13 2013-09-04 成都瑞芯电子有限公司 量子场分布的Trench MOSFET沟槽终端结构及制造方法
CN104701174B (zh) * 2013-12-09 2017-12-05 上海华虹宏力半导体制造有限公司 用于优化中压沟槽栅mos加工工艺的方法
CN106298478A (zh) * 2015-06-03 2017-01-04 北大方正集团有限公司 一种功率器件分压结构及其制作方法
CN106684061B (zh) * 2016-12-14 2019-01-25 中国电子科技集团公司第五十五研究所 一种磷化铟背孔的制作方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004107448A1 (en) * 2003-05-31 2004-12-09 Koninklijke Philips Electronics N.V. Semiconductor device having an edge termination structure and method of manufacture thereof
CN101211981A (zh) * 2007-12-22 2008-07-02 苏州硅能半导体科技股份有限公司 一种深沟槽大功率mos器件及其制造方法
CN101261992A (zh) * 2008-04-11 2008-09-10 苏州硅能半导体科技股份有限公司 一种功率沟槽式mos场效应管及其制造方法
CN201185190Y (zh) * 2008-04-21 2009-01-21 苏州硅能半导体科技股份有限公司 提高半导体功率器件静电保护性能的结终端保护结构
CN101840933A (zh) * 2010-04-13 2010-09-22 苏州博创集成电路设计有限公司 带表面缓冲环终端结构的超结金属氧化物场效应晶体管

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0113143D0 (en) * 2001-05-29 2001-07-25 Koninl Philips Electronics Nv Manufacture of trench-gate semiconductor devices
GB0312514D0 (en) * 2003-05-31 2003-07-09 Koninkl Philips Electronics Nv Termination structures for semiconductor devices and the manufacture thereof
JP2007123570A (ja) * 2005-10-28 2007-05-17 Toyota Industries Corp 半導体装置
US7800185B2 (en) * 2007-01-28 2010-09-21 Force-Mos Technology Corp. Closed trench MOSFET with floating trench rings as termination
JP5315638B2 (ja) * 2007-07-24 2013-10-16 サンケン電気株式会社 半導体装置
WO2009148695A2 (en) * 2008-06-02 2009-12-10 Maxpower Semiconductor Inc. Edge termination for semiconductor devices
JP2010010263A (ja) * 2008-06-25 2010-01-14 Panasonic Corp 縦型半導体装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004107448A1 (en) * 2003-05-31 2004-12-09 Koninklijke Philips Electronics N.V. Semiconductor device having an edge termination structure and method of manufacture thereof
CN101211981A (zh) * 2007-12-22 2008-07-02 苏州硅能半导体科技股份有限公司 一种深沟槽大功率mos器件及其制造方法
CN101261992A (zh) * 2008-04-11 2008-09-10 苏州硅能半导体科技股份有限公司 一种功率沟槽式mos场效应管及其制造方法
CN201185190Y (zh) * 2008-04-21 2009-01-21 苏州硅能半导体科技股份有限公司 提高半导体功率器件静电保护性能的结终端保护结构
CN101840933A (zh) * 2010-04-13 2010-09-22 苏州博创集成电路设计有限公司 带表面缓冲环终端结构的超结金属氧化物场效应晶体管

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JP6103712B2 (ja) 2017-03-29
JP2014504017A (ja) 2014-02-13
CN102569388A (zh) 2012-07-11
WO2012083784A1 (en) 2012-06-28

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Address after: 214028 Xinzhou Road, Wuxi national hi tech Industrial Development Zone, Jiangsu, China, No. 8

Patentee after: Wuxi Huarun Shanghua Technology Co., Ltd.

Address before: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China

Co-patentee before: Wuxi Huarun Shanghua Technology Co., Ltd.

Patentee before: Wuxi CSMC Semiconductor Co., Ltd.