CN113707723B - 基于伪沟道的半导体器件及其制作方法 - Google Patents
基于伪沟道的半导体器件及其制作方法 Download PDFInfo
- Publication number
- CN113707723B CN113707723B CN202111244258.2A CN202111244258A CN113707723B CN 113707723 B CN113707723 B CN 113707723B CN 202111244258 A CN202111244258 A CN 202111244258A CN 113707723 B CN113707723 B CN 113707723B
- Authority
- CN
- China
- Prior art keywords
- region
- ion implantation
- jfet
- area
- semiconductor device
- 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.)
- Active
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 144
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 238000005468 ion implantation Methods 0.000 claims abstract description 125
- 239000000758 substrate Substances 0.000 claims abstract description 61
- 230000005684 electric field Effects 0.000 claims abstract description 26
- 230000015556 catabolic process Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 238000002513 implantation Methods 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 abstract description 61
- 238000002360 preparation method Methods 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 30
- 229910052814 silicon oxide Inorganic materials 0.000 description 16
- 238000002955 isolation Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 10
- 238000009825 accumulation Methods 0.000 description 10
- 229910052796 boron Inorganic materials 0.000 description 10
- 239000007787 solid Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 208000037408 Device failure Diseases 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000000377 silicon dioxide Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 239000007943 implant Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000407 epitaxy Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline 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
- H01L29/02—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
- H01L29/0603—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 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
- H01L29/0611—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 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
- H01L29/0615—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 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]
- H01L29/0619—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 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
-
- 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
- H01L29/0603—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 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
- H01L29/0611—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 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
- H01L29/0615—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 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]
- H01L29/063—Reduced surface field [RESURF] pn-junction structures
-
- 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
- H01L29/66053—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide
- H01L29/66068—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Junction Field-Effect Transistors (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111244258.2A CN113707723B (zh) | 2021-10-26 | 2021-10-26 | 基于伪沟道的半导体器件及其制作方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111244258.2A CN113707723B (zh) | 2021-10-26 | 2021-10-26 | 基于伪沟道的半导体器件及其制作方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113707723A CN113707723A (zh) | 2021-11-26 |
CN113707723B true CN113707723B (zh) | 2022-02-08 |
Family
ID=78646868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111244258.2A Active CN113707723B (zh) | 2021-10-26 | 2021-10-26 | 基于伪沟道的半导体器件及其制作方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113707723B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115132726B (zh) * | 2022-09-02 | 2022-11-29 | 深圳芯能半导体技术有限公司 | 快恢复功率器件的结构、制造方法及电子设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06291321A (ja) * | 1993-03-31 | 1994-10-18 | Nec Kansai Ltd | 電界効果トランジスタ |
JPH0778978A (ja) * | 1993-09-07 | 1995-03-20 | Toyota Central Res & Dev Lab Inc | 縦型mos電界効果トランジスタ |
CN102201438A (zh) * | 2010-03-24 | 2011-09-28 | 株式会社东芝 | 半导体装置及其制造方法 |
CN102339867A (zh) * | 2011-10-28 | 2012-02-01 | 上海宏力半导体制造有限公司 | 一种vdmos器件及其的形成方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112614879A (zh) * | 2020-11-27 | 2021-04-06 | 株洲中车时代半导体有限公司 | 碳化硅器件的元胞结构、其制备方法及碳化硅器件 |
-
2021
- 2021-10-26 CN CN202111244258.2A patent/CN113707723B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06291321A (ja) * | 1993-03-31 | 1994-10-18 | Nec Kansai Ltd | 電界効果トランジスタ |
JPH0778978A (ja) * | 1993-09-07 | 1995-03-20 | Toyota Central Res & Dev Lab Inc | 縦型mos電界効果トランジスタ |
CN102201438A (zh) * | 2010-03-24 | 2011-09-28 | 株式会社东芝 | 半导体装置及其制造方法 |
CN102339867A (zh) * | 2011-10-28 | 2012-02-01 | 上海宏力半导体制造有限公司 | 一种vdmos器件及其的形成方法 |
Also Published As
Publication number | Publication date |
---|---|
CN113707723A (zh) | 2021-11-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4738562B2 (ja) | 半導体装置の製造方法 | |
CN107275407B (zh) | 一种碳化硅vdmos器件及其制作方法 | |
KR100276624B1 (ko) | 전력용 반도체 장치 및 그 제조방법 | |
CN111081759B (zh) | 一种增强型碳化硅mosfet器件及其制造方法 | |
CN105679816A (zh) | 一种沟槽栅电荷存储型igbt及其制造方法 | |
CN112186027A (zh) | 一种带有栅极沟槽结构的碳化硅mosfet | |
CN114496784B (zh) | 一种底部保护接地沟槽型碳化硅mosfet及其制备方法 | |
CN115863386A (zh) | 一种沟槽mosfet器件及其制备方法 | |
CN114038908A (zh) | 集成二极管的沟槽栅碳化硅mosfet器件及制造方法 | |
CN113707723B (zh) | 基于伪沟道的半导体器件及其制作方法 | |
CN102867849A (zh) | 一种快恢复二极管及其制造方法 | |
KR20010098551A (ko) | 반도체장치 및 그 제조방법 | |
CN113838909B (zh) | 沟槽型原胞结构及制备方法 | |
JP2001127285A (ja) | 縦型電界効果トランジスタ | |
CN205564758U (zh) | 超低功耗半导体功率器件 | |
CN115117151B (zh) | 一种具复合元胞结构的igbt芯片及其制作方法 | |
CN104517837A (zh) | 一种绝缘栅双极型晶体管的制造方法 | |
CN214672630U (zh) | 一种新型的高压槽栅mos器件 | |
CN213366599U (zh) | 带有栅极沟槽结构的碳化硅mosfet | |
CN107452623B (zh) | 一种快恢复二极管的制造方法及快恢复二极管 | |
CN113972261A (zh) | 碳化硅半导体器件及制备方法 | |
KR102170068B1 (ko) | 바이폴라 논-펀치-스루 전력 반도체 디바이스 | |
CN209804661U (zh) | 一种碳化硅双侧深l形基区结构的mosfet器件 | |
CN107863378B (zh) | 超结mos器件及其制造方法 | |
CN110277439B (zh) | 一种碳化硅倒t形掩蔽层结构的mosfet器件及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231107 Address after: Room 203-1, North 2nd Floor, Building 2, Software Park, North Side of Cluster Road, Xuzhou City, Jiangsu Province, 221000 Patentee after: Jiangsu Zifeng Intellectual Property Service Co.,Ltd. Address before: 100176 courtyard 17, Tonghui Ganqu Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee before: BEIJING CENTURY GOLDRAY SEMICONDUCTOR Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240130 Address after: 231200, 9th Floor, Building A12, Phase II of Gongtou Liheng Plaza, Intersection of Innovation Avenue and Fanhua Avenue, Economic Development Zone Expansion Zone, Feixi County, Hefei City, Anhui Province Patentee after: Xinhe Semiconductor (Hefei) Co.,Ltd. Country or region after: China Address before: Room 203-1, North 2nd Floor, Building 2, Software Park, North Side of Cluster Road, Xuzhou City, Jiangsu Province, 221000 Patentee before: Jiangsu Zifeng Intellectual Property Service Co.,Ltd. Country or region before: China |
|
TR01 | Transfer of patent right |