CN101425539B - 高迁移率沟槽金属氧化物半导体场效应晶体管 - Google Patents
高迁移率沟槽金属氧化物半导体场效应晶体管 Download PDFInfo
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- CN101425539B CN101425539B CN200810169855.1A CN200810169855A CN101425539B CN 101425539 B CN101425539 B CN 101425539B CN 200810169855 A CN200810169855 A CN 200810169855A CN 101425539 B CN101425539 B CN 101425539B
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- 229910000577 Silicon-germanium Inorganic materials 0.000 claims abstract description 113
- 238000000034 method Methods 0.000 claims abstract description 54
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- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
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- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types 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
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep 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
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66712—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/66734—Vertical DMOS transistors, i.e. VDMOS transistors with a step of recessing the gate electrode, e.g. to form a trench gate electrode
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- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types 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
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7842—Field effect transistors with field effect produced by an insulated gate means for exerting mechanical stress on the crystal lattice of the channel region, e.g. using a flexible substrate
- H01L29/7848—Field effect transistors with field effect produced by an insulated gate means for exerting mechanical stress on the crystal lattice of the channel region, e.g. using a flexible substrate the means being located in the source/drain region, e.g. SiGe source and drain
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor 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
- H01L29/10—Semiconductor 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 with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1025—Channel region of field-effect devices
- H01L29/1029—Channel region of field-effect devices of field-effect transistors
- H01L29/1033—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure
- H01L29/1054—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a variation of the composition, e.g. channel with strained layer for increasing the mobility
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
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- H01L29/165—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic System including two or more of the elements provided for in group H01L29/16, e.g. alloys in different semiconductor regions, e.g. heterojunctions
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42356—Disposition, e.g. buried gate electrode
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove gate electrode
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
- H01L29/42368—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity the thickness being non-uniform
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- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
- H01L29/456—Ohmic electrodes on silicon
Abstract
Description
Claims (24)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/934,040 | 2007-11-01 | ||
US11/934,040 US7994005B2 (en) | 2007-11-01 | 2007-11-01 | High-mobility trench MOSFETs |
Publications (2)
Publication Number | Publication Date |
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CN101425539A CN101425539A (zh) | 2009-05-06 |
CN101425539B true CN101425539B (zh) | 2010-12-22 |
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CN200810169855.1A Active CN101425539B (zh) | 2007-11-01 | 2008-09-26 | 高迁移率沟槽金属氧化物半导体场效应晶体管 |
Country Status (3)
Country | Link |
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US (2) | US7994005B2 (zh) |
CN (1) | CN101425539B (zh) |
TW (1) | TWI382537B (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7825465B2 (en) * | 2007-12-13 | 2010-11-02 | Fairchild Semiconductor Corporation | Structure and method for forming field effect transistor with low resistance channel region |
JP5331443B2 (ja) * | 2008-10-29 | 2013-10-30 | 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および半導体装置 |
CN102034822B (zh) * | 2009-09-25 | 2013-03-27 | 力士科技股份有限公司 | 一种具有台阶状沟槽栅和改进的源体接触性能的沟槽mosfet及其制造方法 |
US8138605B2 (en) | 2009-10-26 | 2012-03-20 | Alpha & Omega Semiconductor, Inc. | Multiple layer barrier metal for device component formed in contact trench |
US20110198689A1 (en) * | 2010-02-17 | 2011-08-18 | Suku Kim | Semiconductor devices containing trench mosfets with superjunctions |
CN101986435B (zh) * | 2010-06-25 | 2012-12-19 | 中国科学院上海微系统与信息技术研究所 | 防止浮体及自加热效应的mos器件结构的制造方法 |
CN101916783B (zh) * | 2010-08-13 | 2012-07-04 | 复旦大学 | 一种凹陷沟道的横向和纵向扩散型场效应晶体管及其制造方法 |
US8309418B2 (en) * | 2010-08-23 | 2012-11-13 | International Business Machines Corporation | Field effect transistor device with shaped conduction channel |
US8580667B2 (en) * | 2010-12-14 | 2013-11-12 | Alpha And Omega Semiconductor Incorporated | Self aligned trench MOSFET with integrated diode |
CN102169832A (zh) * | 2011-03-10 | 2011-08-31 | 上海宏力半导体制造有限公司 | Esd器件的制作方法 |
CN102148156B (zh) * | 2011-03-15 | 2015-10-28 | 上海华虹宏力半导体制造有限公司 | 锗硅异质结双极型晶体管的制造方法 |
JP2012199444A (ja) * | 2011-03-22 | 2012-10-18 | Toshiba Corp | 半導体素子 |
US8431470B2 (en) | 2011-04-04 | 2013-04-30 | Alpha And Omega Semiconductor Incorporated | Approach to integrate Schottky in MOSFET |
US8502302B2 (en) | 2011-05-02 | 2013-08-06 | Alpha And Omega Semiconductor Incorporated | Integrating Schottky diode into power MOSFET |
US8507978B2 (en) | 2011-06-16 | 2013-08-13 | Alpha And Omega Semiconductor Incorporated | Split-gate structure in trench-based silicon carbide power device |
CN102709306B (zh) * | 2012-06-13 | 2015-02-11 | 北京大学 | 基于忆阻器和晶体管的存储器及实现多阻态的方法 |
CN103558254B (zh) * | 2013-11-15 | 2015-09-16 | 中国科学院上海微系统与信息技术研究所 | 一种基于垂直结构隧穿场效应晶体管的生物传感器及其制备方法 |
JP6455335B2 (ja) * | 2015-06-23 | 2019-01-23 | 三菱電機株式会社 | 半導体装置 |
US9704990B1 (en) | 2016-09-19 | 2017-07-11 | International Business Machines Corporation | Vertical FET with strained channel |
CN108520898A (zh) * | 2018-04-02 | 2018-09-11 | 北京绿能芯创电子科技有限公司 | 具有可调变起始电压的Mosfet组件及其制造方法 |
CN111384171B (zh) * | 2018-12-28 | 2021-07-23 | 中国科学院苏州纳米技术与纳米仿生研究所 | 高沟道迁移率垂直型umosfet器件及其制备方法 |
US11776994B2 (en) | 2021-02-16 | 2023-10-03 | Alpha And Omega Semiconductor International Lp | SiC MOSFET with reduced channel length and high Vth |
CN113054030A (zh) * | 2021-03-12 | 2021-06-29 | 深圳方正微电子有限公司 | 垂直双扩散金属氧化物半导体晶体管及其制备方法和应用 |
CN113035936B (zh) * | 2021-03-12 | 2023-01-13 | 深圳市昭矽微电子科技有限公司 | 沟槽型垂直双扩散金属氧化物半导体晶体管及制备方法 |
TWI813426B (zh) * | 2022-08-25 | 2023-08-21 | 世界先進積體電路股份有限公司 | 半導體結構及其製造方法 |
CN117423729A (zh) * | 2023-12-18 | 2024-01-19 | 深圳天狼芯半导体有限公司 | 一种具有异质结的沟槽栅vdmos及制备方法 |
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JP3400846B2 (ja) * | 1994-01-20 | 2003-04-28 | 三菱電機株式会社 | トレンチ構造を有する半導体装置およびその製造方法 |
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US7238985B2 (en) * | 2003-08-13 | 2007-07-03 | International Rectifier Corporation | Trench type mosgated device with strained layer on trench sidewall |
US7504691B2 (en) * | 2004-10-07 | 2009-03-17 | Fairchild Semiconductor Corporation | Power trench MOSFETs having SiGe/Si channel structure |
US7265415B2 (en) * | 2004-10-08 | 2007-09-04 | Fairchild Semiconductor Corporation | MOS-gated transistor with reduced miller capacitance |
US7176524B2 (en) * | 2005-02-15 | 2007-02-13 | Semiconductor Components Industries, Llc | Semiconductor device having deep trench charge compensation regions and method |
-
2007
- 2007-11-01 US US11/934,040 patent/US7994005B2/en active Active
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2008
- 2008-09-26 CN CN200810169855.1A patent/CN101425539B/zh active Active
- 2008-09-30 TW TW097137623A patent/TWI382537B/zh active
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CN1477718A (zh) * | 2002-08-21 | 2004-02-25 | ������������ʽ���� | 半导体器件 |
CN1293644C (zh) * | 2002-08-21 | 2007-01-03 | 三菱电机株式会社 | 半导体器件 |
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US20110278665A1 (en) | 2011-11-17 |
US8853772B2 (en) | 2014-10-07 |
US7994005B2 (en) | 2011-08-09 |
TW200921914A (en) | 2009-05-16 |
US20090114949A1 (en) | 2009-05-07 |
CN101425539A (zh) | 2009-05-06 |
TWI382537B (zh) | 2013-01-11 |
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