CN107910361B - 半导体器件的超结结构及其制作方法 - Google Patents
半导体器件的超结结构及其制作方法 Download PDFInfo
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- CN107910361B CN107910361B CN201711354015.8A CN201711354015A CN107910361B CN 107910361 B CN107910361 B CN 107910361B CN 201711354015 A CN201711354015 A CN 201711354015A CN 107910361 B CN107910361 B CN 107910361B
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000407 epitaxy Methods 0.000 claims abstract description 288
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 7
- 229920005591 polysilicon Polymers 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 21
- 210000000746 body region Anatomy 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 238000005530 etching Methods 0.000 claims description 6
- 238000007517 polishing process Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000005498 polishing 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
- H01L29/02—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
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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
- H01L29/66007—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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Junction Field-Effect Transistors (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711354015.8A CN107910361B (zh) | 2017-12-15 | 2017-12-15 | 半导体器件的超结结构及其制作方法 |
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CN201711354015.8A CN107910361B (zh) | 2017-12-15 | 2017-12-15 | 半导体器件的超结结构及其制作方法 |
Publications (2)
Publication Number | Publication Date |
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CN107910361A CN107910361A (zh) | 2018-04-13 |
CN107910361B true CN107910361B (zh) | 2020-02-18 |
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CN201711354015.8A Active CN107910361B (zh) | 2017-12-15 | 2017-12-15 | 半导体器件的超结结构及其制作方法 |
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CN (1) | CN107910361B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110137245B (zh) * | 2019-04-30 | 2022-09-23 | 上海功成半导体科技有限公司 | 超结器件结构及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10239868A1 (de) * | 2002-08-29 | 2004-03-18 | Infineon Technologies Ag | Verfahren zur Erzeugung von tiefen dotierten Säulenstrukturen in Halbleiterwafern |
CN103531481A (zh) * | 2013-09-30 | 2014-01-22 | 桂林斯壮微电子有限责任公司 | 基于沟槽方式的通道分压场效应管及生产方法 |
CN106328488A (zh) * | 2015-06-25 | 2017-01-11 | 北大方正集团有限公司 | 超结功率器件的制备方法和超结功率器件 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7355224B2 (en) * | 2006-06-16 | 2008-04-08 | Fairchild Semiconductor Corporation | High voltage LDMOS |
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2017
- 2017-12-15 CN CN201711354015.8A patent/CN107910361B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10239868A1 (de) * | 2002-08-29 | 2004-03-18 | Infineon Technologies Ag | Verfahren zur Erzeugung von tiefen dotierten Säulenstrukturen in Halbleiterwafern |
CN103531481A (zh) * | 2013-09-30 | 2014-01-22 | 桂林斯壮微电子有限责任公司 | 基于沟槽方式的通道分压场效应管及生产方法 |
CN106328488A (zh) * | 2015-06-25 | 2017-01-11 | 北大方正集团有限公司 | 超结功率器件的制备方法和超结功率器件 |
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CN107910361A (zh) | 2018-04-13 |
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Effective date of registration: 20200115 Address after: 518000 floor 5, building 3, Chaohui building, NO.119, Huating Road, Dalang street, Longhua District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Gretel photoelectric Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Fuyong Street Peace community Junfeng Industrial Zone A3 building the first floor Applicant before: SHENZHEN JINGTE SMART MANUFACTURING TECHNOLOGY Co.,Ltd. |
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Address after: 518000 5th floor, building 3, chaohuilou Science Park, No. 119, Huating Road, Dalang street, Longhua District, Shenzhen, Guangdong Province Patentee after: Shenzhen gelaite Communication Technology Co.,Ltd. Address before: 518000 5th floor, building 3, chaohuilou Science Park, No. 119, Huating Road, Dalang street, Longhua District, Shenzhen, Guangdong Province Patentee before: Shenzhen Gretel photoelectric Co.,Ltd. |