CN102412162A - 提高nldmos击穿电压的方法 - Google Patents
提高nldmos击穿电压的方法 Download PDFInfo
- Publication number
- CN102412162A CN102412162A CN2011103768688A CN201110376868A CN102412162A CN 102412162 A CN102412162 A CN 102412162A CN 2011103768688 A CN2011103768688 A CN 2011103768688A CN 201110376868 A CN201110376868 A CN 201110376868A CN 102412162 A CN102412162 A CN 102412162A
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- injects
- nldmos
- boron
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- polycrystalline silicon
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 229910044991 metal oxide Inorganic materials 0.000 title abstract description 3
- 150000004706 metal oxides Chemical class 0.000 title abstract description 3
- 239000004065 semiconductor Substances 0.000 title abstract description 3
- 230000015556 catabolic process Effects 0.000 title abstract 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 32
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052796 boron Inorganic materials 0.000 claims abstract description 21
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 14
- 239000011574 phosphorus Substances 0.000 claims abstract description 14
- 102100035767 Adrenocortical dysplasia protein homolog Human genes 0.000 claims abstract description 9
- 101100433963 Homo sapiens ACD gene Proteins 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 229910052785 arsenic Inorganic materials 0.000 claims abstract description 7
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005530 etching Methods 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 6
- 229920005591 polysilicon Polymers 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 239000002019 doping agent Substances 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 abstract 2
- 238000000151 deposition Methods 0.000 abstract 1
- 238000002513 implantation Methods 0.000 abstract 1
- 210000003323 beak Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Images
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
- H01L29/7801—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
- H01L29/10—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 with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1095—Body region, i.e. base region, of DMOS transistors or IGBTs
-
- 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
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
- H01L29/42368—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity the thickness being non-uniform
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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)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110376868.8A CN102412162B (zh) | 2011-11-23 | 2011-11-23 | 提高nldmos击穿电压的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110376868.8A CN102412162B (zh) | 2011-11-23 | 2011-11-23 | 提高nldmos击穿电压的方法 |
Publications (2)
Publication Number | Publication Date |
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CN102412162A true CN102412162A (zh) | 2012-04-11 |
CN102412162B CN102412162B (zh) | 2014-04-16 |
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CN201110376868.8A Active CN102412162B (zh) | 2011-11-23 | 2011-11-23 | 提高nldmos击穿电压的方法 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103035717A (zh) * | 2012-07-27 | 2013-04-10 | 上海华虹Nec电子有限公司 | 阶梯形漂移区的ldmos器件及其制造方法 |
CN103681326A (zh) * | 2012-09-05 | 2014-03-26 | 中芯国际集成电路制造(上海)有限公司 | 具有不同阈值电压的鳍式场效应管基体的形成方法 |
CN103839998A (zh) * | 2012-11-27 | 2014-06-04 | 上海华虹宏力半导体制造有限公司 | Ldmos器件及其制造方法 |
CN104425261A (zh) * | 2013-08-20 | 2015-03-18 | 上海华虹宏力半导体制造有限公司 | 射频ldmos器件的制造方法 |
CN106298515A (zh) * | 2015-05-11 | 2017-01-04 | 北大方正集团有限公司 | 金属氧化物功率器件的场板的制备方法及场板 |
CN107782599A (zh) * | 2017-09-08 | 2018-03-09 | 吉林大学 | 一种材料击穿实验方法 |
CN107910359A (zh) * | 2017-11-08 | 2018-04-13 | 南京邮电大学 | 一种具有扩大e‑soa区域的ldmos器件及其制造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101488526A (zh) * | 2009-02-27 | 2009-07-22 | 东南大学 | N型绝缘体上硅的横向双扩散金属氧化物半导体晶体管 |
US20100301403A1 (en) * | 2009-05-29 | 2010-12-02 | Won Gi Min | Semiconductor device with multiple gates and doped regions and method of forming |
JP2011129701A (ja) * | 2009-12-17 | 2011-06-30 | Asahi Kasei Toko Power Device Corp | Mosトランジスタ |
CN102184949A (zh) * | 2011-05-09 | 2011-09-14 | 电子科技大学 | 一种深槽侧氧调制的平面型绝缘栅双极型晶体管 |
-
2011
- 2011-11-23 CN CN201110376868.8A patent/CN102412162B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101488526A (zh) * | 2009-02-27 | 2009-07-22 | 东南大学 | N型绝缘体上硅的横向双扩散金属氧化物半导体晶体管 |
US20100301403A1 (en) * | 2009-05-29 | 2010-12-02 | Won Gi Min | Semiconductor device with multiple gates and doped regions and method of forming |
JP2011129701A (ja) * | 2009-12-17 | 2011-06-30 | Asahi Kasei Toko Power Device Corp | Mosトランジスタ |
CN102184949A (zh) * | 2011-05-09 | 2011-09-14 | 电子科技大学 | 一种深槽侧氧调制的平面型绝缘栅双极型晶体管 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103035717A (zh) * | 2012-07-27 | 2013-04-10 | 上海华虹Nec电子有限公司 | 阶梯形漂移区的ldmos器件及其制造方法 |
CN103035717B (zh) * | 2012-07-27 | 2015-10-14 | 上海华虹宏力半导体制造有限公司 | 阶梯形漂移区的ldmos器件及其制造方法 |
CN103681326A (zh) * | 2012-09-05 | 2014-03-26 | 中芯国际集成电路制造(上海)有限公司 | 具有不同阈值电压的鳍式场效应管基体的形成方法 |
CN103839998A (zh) * | 2012-11-27 | 2014-06-04 | 上海华虹宏力半导体制造有限公司 | Ldmos器件及其制造方法 |
CN103839998B (zh) * | 2012-11-27 | 2017-10-24 | 上海华虹宏力半导体制造有限公司 | Ldmos器件及其制造方法 |
CN104425261A (zh) * | 2013-08-20 | 2015-03-18 | 上海华虹宏力半导体制造有限公司 | 射频ldmos器件的制造方法 |
CN106298515A (zh) * | 2015-05-11 | 2017-01-04 | 北大方正集团有限公司 | 金属氧化物功率器件的场板的制备方法及场板 |
CN107782599A (zh) * | 2017-09-08 | 2018-03-09 | 吉林大学 | 一种材料击穿实验方法 |
CN107782599B (zh) * | 2017-09-08 | 2020-12-29 | 吉林大学 | 一种材料击穿实验方法 |
CN107910359A (zh) * | 2017-11-08 | 2018-04-13 | 南京邮电大学 | 一种具有扩大e‑soa区域的ldmos器件及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102412162B (zh) | 2014-04-16 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
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Owner name: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HUAHONG NEC ELECTRONICS CO LTD, SHANGHAI Effective date: 20140116 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201206 PUDONG NEW AREA, SHANGHAI TO: 201203 PUDONG NEW AREA, SHANGHAI |
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TA01 | Transfer of patent application right |
Effective date of registration: 20140116 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech Park No. 1399 Applicant after: Shanghai Huahong Grace Semiconductor Manufacturing Corporation Address before: 201206, Shanghai, Pudong New Area, Sichuan Road, No. 1188 Bridge Applicant before: Shanghai Huahong NEC Electronics Co., Ltd. |
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C14 | Grant of patent or utility model | ||
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