CN111129151A - 一种碳化硅半积累型沟道mosfet器件及其制备方法 - Google Patents
一种碳化硅半积累型沟道mosfet器件及其制备方法 Download PDFInfo
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- CN111129151A CN111129151A CN201911193526.5A CN201911193526A CN111129151A CN 111129151 A CN111129151 A CN 111129151A CN 201911193526 A CN201911193526 A CN 201911193526A CN 111129151 A CN111129151 A CN 111129151A
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 54
- 238000009825 accumulation Methods 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 108091006146 Channels Proteins 0.000 claims abstract description 95
- 108010075750 P-Type Calcium Channels Proteins 0.000 claims abstract description 30
- 238000005468 ion implantation Methods 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 51
- 239000000377 silicon dioxide Substances 0.000 claims description 27
- 235000012239 silicon dioxide Nutrition 0.000 claims description 24
- 238000005530 etching Methods 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 13
- 238000000151 deposition Methods 0.000 claims description 11
- 229920002120 photoresistant polymer Polymers 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 8
- 238000001259 photo etching Methods 0.000 claims description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 229920005591 polysilicon Polymers 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 description 6
- 238000002513 implantation Methods 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor 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
- H01L29/66—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor 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
- H01L29/02—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—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 Table
- H01L29/1608—Silicon carbide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor 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
- H01L29/66—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
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- 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)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911193526.5A CN111129151A (zh) | 2019-11-28 | 2019-11-28 | 一种碳化硅半积累型沟道mosfet器件及其制备方法 |
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CN201911193526.5A CN111129151A (zh) | 2019-11-28 | 2019-11-28 | 一种碳化硅半积累型沟道mosfet器件及其制备方法 |
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CN111129151A true CN111129151A (zh) | 2020-05-08 |
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CN201911193526.5A Pending CN111129151A (zh) | 2019-11-28 | 2019-11-28 | 一种碳化硅半积累型沟道mosfet器件及其制备方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114843347A (zh) * | 2022-07-04 | 2022-08-02 | 香港中文大学(深圳) | 一种高沟道迁移率的碳化硅mosfet及其制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1726596A (zh) * | 2002-12-12 | 2006-01-25 | 西利康尼克斯股份有限公司 | 具有注入漏漂移区的沟槽金属氧化物半导体场效应晶体管及其制造方法 |
US20090114969A1 (en) * | 2007-11-06 | 2009-05-07 | Denso Corporation | Silicon carbide semiconductor device and related manufacturing method |
JP2014239146A (ja) * | 2013-06-07 | 2014-12-18 | 住友電気工業株式会社 | 炭化珪素半導体装置およびその製造方法 |
CN104752506A (zh) * | 2013-12-27 | 2015-07-01 | 现代自动车株式会社 | 半导体器件以及制造该半导体器件的方法 |
CN105047721A (zh) * | 2015-08-26 | 2015-11-11 | 国网智能电网研究院 | 一种碳化硅沟槽栅功率MOSFETs器件及其制备方法 |
CN109728097A (zh) * | 2018-12-29 | 2019-05-07 | 中山汉臣电子科技有限公司 | 一种功率半导体mos器件及其制备方法 |
-
2019
- 2019-11-28 CN CN201911193526.5A patent/CN111129151A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1726596A (zh) * | 2002-12-12 | 2006-01-25 | 西利康尼克斯股份有限公司 | 具有注入漏漂移区的沟槽金属氧化物半导体场效应晶体管及其制造方法 |
US20090114969A1 (en) * | 2007-11-06 | 2009-05-07 | Denso Corporation | Silicon carbide semiconductor device and related manufacturing method |
JP2014239146A (ja) * | 2013-06-07 | 2014-12-18 | 住友電気工業株式会社 | 炭化珪素半導体装置およびその製造方法 |
CN104752506A (zh) * | 2013-12-27 | 2015-07-01 | 现代自动车株式会社 | 半导体器件以及制造该半导体器件的方法 |
CN105047721A (zh) * | 2015-08-26 | 2015-11-11 | 国网智能电网研究院 | 一种碳化硅沟槽栅功率MOSFETs器件及其制备方法 |
CN109728097A (zh) * | 2018-12-29 | 2019-05-07 | 中山汉臣电子科技有限公司 | 一种功率半导体mos器件及其制备方法 |
Non-Patent Citations (1)
Title |
---|
温正欣 等: "Comparative study of electrical characteristics for n-type 4H–SiC planar and trench MOS capacitors annealed in ambient NO", 《CHINESE PHYSICS B》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114843347A (zh) * | 2022-07-04 | 2022-08-02 | 香港中文大学(深圳) | 一种高沟道迁移率的碳化硅mosfet及其制备方法 |
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Application publication date: 20200508 |