CN102130168B - 隔离型ldnmos器件及其制造方法 - Google Patents
隔离型ldnmos器件及其制造方法 Download PDFInfo
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- CN102130168B CN102130168B CN2010100273091A CN201010027309A CN102130168B CN 102130168 B CN102130168 B CN 102130168B CN 2010100273091 A CN2010100273091 A CN 2010100273091A CN 201010027309 A CN201010027309 A CN 201010027309A CN 102130168 B CN102130168 B CN 102130168B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000004065 semiconductor Substances 0.000 title abstract description 4
- 229910044991 metal oxide Inorganic materials 0.000 title abstract 2
- 150000004706 metal oxides Chemical class 0.000 title abstract 2
- 238000002955 isolation Methods 0.000 claims abstract description 26
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 13
- 229920005591 polysilicon Polymers 0.000 claims abstract description 13
- -1 Silicon Oxide Nitride Chemical class 0.000 claims abstract description 12
- 238000002513 implantation Methods 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 15
- 150000002500 ions Chemical class 0.000 claims description 11
- 238000000137 annealing Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 abstract description 10
- 229910052814 silicon oxide Inorganic materials 0.000 abstract 1
- 108091006146 Channels Proteins 0.000 description 37
- 230000005684 electric field Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000000407 epitaxy Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012827 research and development 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 adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/7823—Lateral DMOS transistors, i.e. LDMOS transistors with an edge termination structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/08—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 carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
- H01L29/0852—Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
- H01L29/0873—Drain regions
- H01L29/0878—Impurity concentration or distribution
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/08—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 carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
- H01L29/0852—Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
- H01L29/0873—Drain regions
- H01L29/0886—Shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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 adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010100273091A CN102130168B (zh) | 2010-01-20 | 2010-01-20 | 隔离型ldnmos器件及其制造方法 |
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CN2010100273091A CN102130168B (zh) | 2010-01-20 | 2010-01-20 | 隔离型ldnmos器件及其制造方法 |
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CN102130168A CN102130168A (zh) | 2011-07-20 |
CN102130168B true CN102130168B (zh) | 2013-04-24 |
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CN2010100273091A Active CN102130168B (zh) | 2010-01-20 | 2010-01-20 | 隔离型ldnmos器件及其制造方法 |
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Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103021852B (zh) * | 2011-09-22 | 2015-06-03 | 上海华虹宏力半导体制造有限公司 | 高压p型ldmos的制造方法 |
CN103050512A (zh) * | 2011-10-13 | 2013-04-17 | 上海华虹Nec电子有限公司 | 非外延的高压绝缘n型ldmos器件结构 |
CN103456783B (zh) * | 2012-05-30 | 2016-06-08 | 上海华虹宏力半导体制造有限公司 | 高击穿电压p型ldmos器件及制造方法 |
CN103632942B (zh) * | 2012-08-24 | 2016-02-10 | 上海华虹宏力半导体制造有限公司 | Cmos工艺中集成sonos器件和ldmos器件的方法 |
CN103681791B (zh) * | 2012-09-05 | 2016-12-21 | 上海华虹宏力半导体制造有限公司 | Nldmos器件及制造方法 |
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 |
CN103855212B (zh) * | 2012-12-04 | 2018-10-23 | 中芯国际集成电路制造(上海)有限公司 | 一种横向扩散半导体器件 |
CN104064596B (zh) * | 2013-03-19 | 2016-11-02 | 上海华虹宏力半导体制造有限公司 | Nldmos器件及其制造方法 |
US9059278B2 (en) | 2013-08-06 | 2015-06-16 | International Business Machines Corporation | High voltage lateral double-diffused metal oxide semiconductor field effect transistor (LDMOSFET) having a deep fully depleted drain drift region |
CN104659090B (zh) * | 2013-11-18 | 2017-08-08 | 上海华虹宏力半导体制造有限公司 | Ldmos器件及制造方法 |
CN104916575B (zh) * | 2014-03-11 | 2018-03-16 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体器件的制造方法 |
CN103985758B (zh) * | 2014-05-09 | 2017-07-28 | 电子科技大学 | 一种横向高压器件 |
CN105720099A (zh) * | 2014-12-02 | 2016-06-29 | 无锡华润上华半导体有限公司 | N型横向双扩散金属氧化物半导体场效应管 |
CN104659100A (zh) * | 2015-02-10 | 2015-05-27 | 上海华虹宏力半导体制造有限公司 | 隔离型nldmos器件及其制造方法 |
CN106033777A (zh) * | 2015-03-20 | 2016-10-19 | 中芯国际集成电路制造(上海)有限公司 | Ldmos器件及其形成方法 |
CN105336625A (zh) * | 2015-10-09 | 2016-02-17 | 上海华虹宏力半导体制造有限公司 | 高压ldmos器件的工艺方法 |
CN105514166B (zh) * | 2015-12-22 | 2018-04-17 | 上海华虹宏力半导体制造有限公司 | Nldmos器件及其制造方法 |
CN106952821B (zh) * | 2016-01-07 | 2021-06-08 | 中芯国际集成电路制造(上海)有限公司 | 一种晶体管及其形成方法 |
CN107425046B (zh) * | 2016-05-23 | 2020-05-12 | 中芯国际集成电路制造(北京)有限公司 | 一种ldmos器件及其制作方法 |
CN111326578B (zh) * | 2018-12-13 | 2022-08-02 | 中芯集成电路(宁波)有限公司 | 栅驱动集成电路 |
CN111326582B (zh) * | 2018-12-13 | 2022-08-02 | 中芯集成电路(宁波)有限公司 | 栅驱动集成电路 |
CN113764507B (zh) * | 2020-06-03 | 2023-11-24 | 中芯国际集成电路制造(北京)有限公司 | 半导体结构及其形成方法 |
JP2022056787A (ja) * | 2020-09-30 | 2022-04-11 | ラピスセミコンダクタ株式会社 | 静電気保護素子及び半導体装置 |
CN115274859B (zh) * | 2022-09-30 | 2023-01-20 | 北京芯可鉴科技有限公司 | Ldmos晶体管及其制造方法 |
Citations (5)
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EP0550015A1 (en) * | 1991-12-30 | 1993-07-07 | Texas Instruments Incorporated | Lateral double diffused insulated gate field effect transistor and fabrication process |
US6900101B2 (en) * | 2003-06-13 | 2005-05-31 | Texas Instruments Incorporated | LDMOS transistors and methods for making the same |
US20070284659A1 (en) * | 2003-05-06 | 2007-12-13 | Abadeer Wagdi W | Method of forming high voltage n-ldmos transistors having shallow trench isolation region with drain extensions |
CN101150146A (zh) * | 2006-09-18 | 2008-03-26 | 东部高科股份有限公司 | 半导体器件及其制造方法 |
CN101471380A (zh) * | 2007-12-28 | 2009-07-01 | 东部高科股份有限公司 | 横向双扩散金属氧化物半导体晶体管及其制造方法 |
-
2010
- 2010-01-20 CN CN2010100273091A patent/CN102130168B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0550015A1 (en) * | 1991-12-30 | 1993-07-07 | Texas Instruments Incorporated | Lateral double diffused insulated gate field effect transistor and fabrication process |
US20070284659A1 (en) * | 2003-05-06 | 2007-12-13 | Abadeer Wagdi W | Method of forming high voltage n-ldmos transistors having shallow trench isolation region with drain extensions |
US6900101B2 (en) * | 2003-06-13 | 2005-05-31 | Texas Instruments Incorporated | LDMOS transistors and methods for making the same |
CN101150146A (zh) * | 2006-09-18 | 2008-03-26 | 东部高科股份有限公司 | 半导体器件及其制造方法 |
CN101471380A (zh) * | 2007-12-28 | 2009-07-01 | 东部高科股份有限公司 | 横向双扩散金属氧化物半导体晶体管及其制造方法 |
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Owner name: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HUAHONG NEC ELECTRONICS CO LTD, SHANGHAI Effective date: 20140107 |
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Effective date of registration: 20140107 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech Park No. 1399 Patentee after: Shanghai Huahong Grace Semiconductor Manufacturing Corporation Address before: 201206, Shanghai, Pudong New Area, Sichuan Road, No. 1188 Bridge Patentee before: Shanghai Huahong NEC Electronics Co., Ltd. |