CN102376761B - Ldmos esd结构 - Google Patents
Ldmos esd结构 Download PDFInfo
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- CN102376761B CN102376761B CN201010261575.0A CN201010261575A CN102376761B CN 102376761 B CN102376761 B CN 102376761B CN 201010261575 A CN201010261575 A CN 201010261575A CN 102376761 B CN102376761 B CN 102376761B
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 19
- 229910044991 metal oxide Inorganic materials 0.000 title abstract 2
- 150000004706 metal oxides Chemical class 0.000 title abstract 2
- 239000000758 substrate Substances 0.000 claims description 40
- 230000003068 static effect Effects 0.000 claims description 8
- 230000001965 increasing effect Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005421 electrostatic potential Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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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
- H01L29/7833—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's
- H01L29/7835—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's with asymmetrical source and drain regions, e.g. lateral high-voltage MISFETs with drain offset region, extended drain MISFETs
-
- 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
- H01L29/0642—Isolation within the component, i.e. internal isolation
- H01L29/0649—Dielectric regions, e.g. SiO2 regions, air gaps
- H01L29/0653—Dielectric regions, e.g. SiO2 regions, air gaps adjoining the input or output region of a field-effect device, e.g. the source or drain region
-
- 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
- H01L29/0684—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 the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
- H01L29/0692—Surface layout
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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)
- Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010261575.0A CN102376761B (zh) | 2010-08-24 | 2010-08-24 | Ldmos esd结构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010261575.0A CN102376761B (zh) | 2010-08-24 | 2010-08-24 | Ldmos esd结构 |
Publications (2)
Publication Number | Publication Date |
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CN102376761A CN102376761A (zh) | 2012-03-14 |
CN102376761B true CN102376761B (zh) | 2014-02-12 |
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Family Applications (1)
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CN201010261575.0A Active CN102376761B (zh) | 2010-08-24 | 2010-08-24 | Ldmos esd结构 |
Country Status (1)
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CN (1) | CN102376761B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104253124B (zh) * | 2013-06-27 | 2017-06-06 | 上海华虹宏力半导体制造有限公司 | 高压静电保护结构 |
CN103354207B (zh) * | 2013-07-11 | 2015-08-19 | 杭州电子科技大学 | 抗esd集成soi ldmos器件单元的制作方法 |
CN105489602B (zh) * | 2015-12-29 | 2018-07-20 | 东南大学 | 一种具有低触发电压的静电放电保护器件 |
WO2017152414A1 (zh) * | 2016-03-11 | 2017-09-14 | 江南大学 | 一种具有强电压钳制和esd鲁棒性的嵌入式高压ldmos-scr器件 |
CN107634056B (zh) * | 2016-07-07 | 2021-06-29 | 联华电子股份有限公司 | 半导体装置及其形成方法 |
CN108807541B (zh) * | 2018-05-29 | 2020-06-30 | 东南大学 | 一种具有交错叉指式排列的浅槽隔离结构横向半导体器件 |
CN114172498A (zh) * | 2021-11-11 | 2022-03-11 | 深圳先进技术研究院 | 开关电路、集成电路和电子设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6835985B2 (en) * | 2000-12-07 | 2004-12-28 | Chartered Semiconductor Manufacturing Ltd. | ESD protection structure |
TW502459B (en) * | 2001-01-03 | 2002-09-11 | Taiwan Semiconductor Mfg | Diode structure with high electrostatic discharge protection and electrostatic discharge protection circuit design of the diode |
US6764892B2 (en) * | 2001-09-05 | 2004-07-20 | Texas Instruments Incorporated | Device and method of low voltage SCR protection for high voltage failsafe ESD applications |
CN1964069A (zh) * | 2006-11-15 | 2007-05-16 | 四川绵阳信益科技有限公司 | 多晶硅/体硅esd结构保护的垂直双扩散金属氧化物半导体功率器件 |
CN101409280A (zh) * | 2006-12-11 | 2009-04-15 | 沙诺夫公司 | 阱电势触发esd保护 |
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2010
- 2010-08-24 CN CN201010261575.0A patent/CN102376761B/zh active Active
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CN102376761A (zh) | 2012-03-14 |
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Owner name: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHA Effective date: 20130614 Owner name: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING Free format text: FORMER OWNER: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION Effective date: 20130614 |
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