CN101789444A - 一种可提高mos管击穿电压的第一层金属 - Google Patents
一种可提高mos管击穿电压的第一层金属 Download PDFInfo
- Publication number
- CN101789444A CN101789444A CN201010102332A CN201010102332A CN101789444A CN 101789444 A CN101789444 A CN 101789444A CN 201010102332 A CN201010102332 A CN 201010102332A CN 201010102332 A CN201010102332 A CN 201010102332A CN 101789444 A CN101789444 A CN 101789444A
- Authority
- CN
- China
- Prior art keywords
- metal
- grid
- ground floor
- oxide
- puncture voltage
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 70
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 70
- 230000015556 catabolic process Effects 0.000 title abstract description 6
- 239000004065 semiconductor Substances 0.000 claims description 38
- 238000002955 isolation Methods 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 230000005684 electric field Effects 0.000 abstract description 23
- 238000010586 diagram Methods 0.000 description 8
- 229910021332 silicide Inorganic materials 0.000 description 8
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 239000010953 base metal Substances 0.000 description 4
- 238000004519 manufacturing process Methods 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
- H01L29/4238—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out characterised by the surface lay-out
-
- 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
- H01L29/7816—Lateral DMOS transistors, i.e. LDMOS 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
- H01L29/0642—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
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)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010102332A CN101789444A (zh) | 2010-01-28 | 2010-01-28 | 一种可提高mos管击穿电压的第一层金属 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010102332A CN101789444A (zh) | 2010-01-28 | 2010-01-28 | 一种可提高mos管击穿电压的第一层金属 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101789444A true CN101789444A (zh) | 2010-07-28 |
Family
ID=42532582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010102332A Pending CN101789444A (zh) | 2010-01-28 | 2010-01-28 | 一种可提高mos管击穿电压的第一层金属 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101789444A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103426932A (zh) * | 2013-08-29 | 2013-12-04 | 上海宏力半导体制造有限公司 | 双resurf ldmos器件 |
CN104282667A (zh) * | 2014-09-30 | 2015-01-14 | 中航(重庆)微电子有限公司 | 一种mos 静电保护结构及保护方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1385907A (zh) * | 2001-05-16 | 2002-12-18 | 联华电子股份有限公司 | 降低等离子损害的导流电路及半导体制造方法 |
CN1457514A (zh) * | 2001-02-27 | 2003-11-19 | 皇家菲利浦电子有限公司 | 具有改进开关特性的硅上绝缘体ld金属氧化物半导体结构 |
CN1877862A (zh) * | 2006-07-03 | 2006-12-13 | 崇贸科技股份有限公司 | 自驱动ldmos晶体管 |
-
2010
- 2010-01-28 CN CN201010102332A patent/CN101789444A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1457514A (zh) * | 2001-02-27 | 2003-11-19 | 皇家菲利浦电子有限公司 | 具有改进开关特性的硅上绝缘体ld金属氧化物半导体结构 |
CN1385907A (zh) * | 2001-05-16 | 2002-12-18 | 联华电子股份有限公司 | 降低等离子损害的导流电路及半导体制造方法 |
CN1877862A (zh) * | 2006-07-03 | 2006-12-13 | 崇贸科技股份有限公司 | 自驱动ldmos晶体管 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103426932A (zh) * | 2013-08-29 | 2013-12-04 | 上海宏力半导体制造有限公司 | 双resurf ldmos器件 |
CN104282667A (zh) * | 2014-09-30 | 2015-01-14 | 中航(重庆)微电子有限公司 | 一种mos 静电保护结构及保护方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103500759B (zh) | 具有不同宽度硅柱的高压垂直晶体管 | |
EP2321850B1 (en) | LDMOS having a field plate | |
US8563381B2 (en) | Method for manufacturing a power semiconductor device | |
US7898026B2 (en) | LDMOS with double LDD and trenched drain | |
US8759912B2 (en) | High-voltage transistor device | |
US8035140B2 (en) | Method and layout of semiconductor device with reduced parasitics | |
US20160104766A1 (en) | Power Semiconductor Device with Source Trench and Termination Trench Implants | |
CN107359201B (zh) | 沟槽栅超结mosfet | |
WO2017211105A1 (zh) | 一种超结器件、芯片及其制造方法 | |
US8378392B2 (en) | Trench MOSFET with body region having concave-arc shape | |
US9064868B2 (en) | Advanced faraday shield for a semiconductor device | |
CN101777582A (zh) | 一种可提高栅氧可靠性的ldmos器件及其制造方法 | |
CN106158927B (zh) | 一种优化开关特性的超结半导体器件及制造方法 | |
CN102790089A (zh) | 一种漏极下具有埋层的射频ldmos器件 | |
CN101789444A (zh) | 一种可提高mos管击穿电压的第一层金属 | |
CN110473908A (zh) | 一种具有梯形氧化槽的绝缘层上硅ldmos晶体管 | |
US10312368B2 (en) | High voltage semiconductor devices and methods for their fabrication | |
Li et al. | A novel SOI LDMOS with substrate field plate and variable-k dielectric buried layer | |
CN105047716B (zh) | 射频ldmos器件及其制造方法 | |
CN103367431A (zh) | Ldmos晶体管及其制造方法 | |
CN101667597A (zh) | 一种垂直双扩散mos晶体管测试结构 | |
CN102760771A (zh) | 用于rf-ldmos器件的新型栅结构 | |
CN104638003A (zh) | 射频ldmos器件及工艺方法 | |
CN103426932A (zh) | 双resurf ldmos器件 | |
CN104701368B (zh) | 射频ldmos器件及其制造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HONGLI SEMICONDUCTOR MANUFACTURE CO LTD, SHANGHAI Effective date: 20140514 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20140514 Address after: 201203 Shanghai Zhangjiang hi tech park Zuchongzhi Road No. 1399 Applicant after: Shanghai Huahong Grace Semiconductor Manufacturing Corporation Address before: 201203 Shanghai Guo Shou Jing Road, Zhangjiang hi tech Park No. 818 Applicant before: Hongli Semiconductor Manufacture Co., Ltd., Shanghai |
|
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100728 |