CN107093626A - 超结终端结构及其制备方法 - Google Patents
超结终端结构及其制备方法 Download PDFInfo
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- CN107093626A CN107093626A CN201710294316.XA CN201710294316A CN107093626A CN 107093626 A CN107093626 A CN 107093626A CN 201710294316 A CN201710294316 A CN 201710294316A CN 107093626 A CN107093626 A CN 107093626A
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- conduction type
- limiting ring
- field limiting
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- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 66
- 239000011241 protective layer Substances 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims description 46
- 239000004065 semiconductor Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 238000005530 etching Methods 0.000 claims description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000001413 cellular effect Effects 0.000 description 23
- 238000000407 epitaxy Methods 0.000 description 22
- 230000000694 effects Effects 0.000 description 11
- 230000005684 electric field Effects 0.000 description 10
- 238000000137 annealing Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- H01L29/7827—Vertical transistors
-
- 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
- H01L29/0634—Multiple reduced surface field (multi-RESURF) structures, e.g. double RESURF, charge compensation, cool, superjunction (SJ), 3D-RESURF, composite buffer (CB) 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
- H01L29/66075—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
- H01L29/66666—Vertical 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)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710294316.XA CN107093626A (zh) | 2017-04-28 | 2017-04-28 | 超结终端结构及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710294316.XA CN107093626A (zh) | 2017-04-28 | 2017-04-28 | 超结终端结构及其制备方法 |
Publications (1)
Publication Number | Publication Date |
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CN107093626A true CN107093626A (zh) | 2017-08-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710294316.XA Pending CN107093626A (zh) | 2017-04-28 | 2017-04-28 | 超结终端结构及其制备方法 |
Country Status (1)
Country | Link |
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CN (1) | CN107093626A (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120273871A1 (en) * | 2011-04-27 | 2012-11-01 | Yedinak Joseph A | Superjunction Structures for Power Devices and Methods of Manufacture |
CN103219339A (zh) * | 2012-01-18 | 2013-07-24 | 富士电机株式会社 | 半导体器件 |
CN103700697A (zh) * | 2013-12-20 | 2014-04-02 | 西安芯派电子科技有限公司 | 纵向超结金属氧化物场效应晶体管 |
CN104332499A (zh) * | 2013-07-22 | 2015-02-04 | 北大方正集团有限公司 | 一种vdmos器件及其终端结构的形成方法 |
CN104952910A (zh) * | 2015-05-19 | 2015-09-30 | 上海先进半导体制造股份有限公司 | 超结半导体器件的终端结构及其制造方法 |
-
2017
- 2017-04-28 CN CN201710294316.XA patent/CN107093626A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120273871A1 (en) * | 2011-04-27 | 2012-11-01 | Yedinak Joseph A | Superjunction Structures for Power Devices and Methods of Manufacture |
CN103219339A (zh) * | 2012-01-18 | 2013-07-24 | 富士电机株式会社 | 半导体器件 |
CN104332499A (zh) * | 2013-07-22 | 2015-02-04 | 北大方正集团有限公司 | 一种vdmos器件及其终端结构的形成方法 |
CN103700697A (zh) * | 2013-12-20 | 2014-04-02 | 西安芯派电子科技有限公司 | 纵向超结金属氧化物场效应晶体管 |
CN104952910A (zh) * | 2015-05-19 | 2015-09-30 | 上海先进半导体制造股份有限公司 | 超结半导体器件的终端结构及其制造方法 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20190314 Address after: 550081 A-10-003, 10th floor, Morgan Center, Lincheng West Road, Guanshan Lake District, Guiyang City, Guizhou Province Applicant after: Guizhou core long march Technology Co., Ltd. Address before: 100026 18 Floor, 225 Chaoyang North Road, Chaoyang District, Beijing (Unity Lake Incubator 0561) Applicant before: Beijing core long march Technology Co., Ltd. |
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200421 Address after: 550081 Guizhou city of Guiyang Province Lake District Forest City West Morgan center A block 10 layer A-10-003 Applicant after: GUIZHOU MARCHING POWER TECHNOLOGY Co.,Ltd. Applicant after: Nanjing Xinchangzheng Technology Co., Ltd. Address before: 550081 Guizhou city of Guiyang Province Lake District Forest City West Morgan center A block 10 layer A-10-003 Applicant before: GUIZHOU MARCHING POWER TECHNOLOGY Co.,Ltd. |
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Application publication date: 20170825 |
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