CN103035681A - Rf ldmos器件及制造方法 - Google Patents
Rf ldmos器件及制造方法 Download PDFInfo
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- CN103035681A CN103035681A CN2012102872015A CN201210287201A CN103035681A CN 103035681 A CN103035681 A CN 103035681A CN 2012102872015 A CN2012102872015 A CN 2012102872015A CN 201210287201 A CN201210287201 A CN 201210287201A CN 103035681 A CN103035681 A CN 103035681A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000004065 semiconductor Substances 0.000 title abstract description 6
- 229910044991 metal oxide Inorganic materials 0.000 title abstract description 3
- 150000004706 metal oxides Chemical class 0.000 title abstract description 3
- 239000010410 layer Substances 0.000 claims abstract description 95
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 81
- 239000002184 metal Substances 0.000 claims abstract description 74
- 239000002356 single layer Substances 0.000 claims abstract description 24
- 229920005591 polysilicon Polymers 0.000 claims description 74
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 23
- 229910052760 oxygen Inorganic materials 0.000 claims description 23
- 239000001301 oxygen Substances 0.000 claims description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 8
- 238000005530 etching Methods 0.000 claims description 7
- 238000002513 implantation Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 3
- 238000001039 wet etching Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 6
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000000407 epitaxy Methods 0.000 abstract 2
- 230000005684 electric field Effects 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005137 deposition process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- H—ELECTRICITY
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- 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
- H01L29/402—Field plates
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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
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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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/402—Field plates
- H01L29/404—Multiple field plate structures
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- H—ELECTRICITY
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- 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
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66659—Lateral single gate silicon transistors with asymmetry in the channel direction, e.g. lateral high-voltage MISFETs with drain offset region, extended drain MISFETs
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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
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66681—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
- H01L29/66—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
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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
- H01L29/10—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
- H01L29/1025—Channel region of field-effect devices
- H01L29/1029—Channel region of field-effect devices of field-effect transistors
- H01L29/1033—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure
- H01L29/1041—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a non-uniform doping structure in the channel region surface
- H01L29/1045—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a non-uniform doping structure in the channel region surface the doping structure being parallel to the channel length, e.g. DMOS like
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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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/4175—Source or drain electrodes for field effect devices for lateral devices where the connection to the source or drain region is done through at least one part of the semiconductor substrate thickness, e.g. with connecting sink or with via-hole
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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)
- Manufacturing & Machinery (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210287201.5A CN103035681B (zh) | 2012-08-13 | 2012-08-13 | Rf ldmos器件的制造方法 |
US13/964,678 US20140042522A1 (en) | 2012-08-13 | 2013-08-12 | Rf ldmos device and fabrication method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210287201.5A CN103035681B (zh) | 2012-08-13 | 2012-08-13 | Rf ldmos器件的制造方法 |
Publications (2)
Publication Number | Publication Date |
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CN103035681A true CN103035681A (zh) | 2013-04-10 |
CN103035681B CN103035681B (zh) | 2015-08-19 |
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CN201210287201.5A Active CN103035681B (zh) | 2012-08-13 | 2012-08-13 | Rf ldmos器件的制造方法 |
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US (1) | US20140042522A1 (zh) |
CN (1) | CN103035681B (zh) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104241353A (zh) * | 2013-06-07 | 2014-12-24 | 上海华虹宏力半导体制造有限公司 | 射频ldmos器件及其制造方法 |
CN104282763A (zh) * | 2014-09-15 | 2015-01-14 | 上海华虹宏力半导体制造有限公司 | 射频横向双扩散场效应晶体管及其制作方法 |
CN104600112A (zh) * | 2013-10-31 | 2015-05-06 | 上海华虹宏力半导体制造有限公司 | Ldmos器件 |
CN105140288A (zh) * | 2015-09-11 | 2015-12-09 | 电子科技大学 | 射频ldmos器件 |
CN107611031A (zh) * | 2017-08-15 | 2018-01-19 | 上海华虹宏力半导体制造有限公司 | 改善法拉第环电阻的方法 |
WO2018177073A1 (zh) * | 2017-03-29 | 2018-10-04 | 苏州捷芯威半导体有限公司 | 半导体器件及其制造方法 |
CN110010473A (zh) * | 2019-04-18 | 2019-07-12 | 北京顿思集成电路设计有限责任公司 | 一种ldmos器件以及制作方法 |
CN112635540A (zh) * | 2019-10-08 | 2021-04-09 | 无锡华润上华科技有限公司 | Ldmos器件及其制备方法 |
CN113097306A (zh) * | 2021-03-27 | 2021-07-09 | 长江存储科技有限责任公司 | Mos器件及其制造方法、以及esd防护电路 |
CN114023822A (zh) * | 2021-11-01 | 2022-02-08 | 长江存储科技有限责任公司 | 半导体结构、其制作方法、存储器、存储系统与电子设备 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9520367B2 (en) * | 2014-08-20 | 2016-12-13 | Freescale Semiconductor, Inc. | Trenched Faraday shielding |
US9437693B2 (en) * | 2014-12-17 | 2016-09-06 | Freescale Semiconductor, Inc. | Device having a shield plate dopant region and method of manufacturing same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050156234A1 (en) * | 2003-11-14 | 2005-07-21 | Gammel Peter L. | Control of hot carrier injection in a metal-oxide semiconductor device |
US20090267145A1 (en) * | 2008-04-23 | 2009-10-29 | Ciclon Semiconductor Device Corp. | Mosfet device having dual interlevel dielectric thickness and method of making same |
CN102280482A (zh) * | 2011-08-02 | 2011-12-14 | 清华大学 | 射频侧向扩散金属氧化物半导体器件及制备方法 |
-
2012
- 2012-08-13 CN CN201210287201.5A patent/CN103035681B/zh active Active
-
2013
- 2013-08-12 US US13/964,678 patent/US20140042522A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050156234A1 (en) * | 2003-11-14 | 2005-07-21 | Gammel Peter L. | Control of hot carrier injection in a metal-oxide semiconductor device |
US20090267145A1 (en) * | 2008-04-23 | 2009-10-29 | Ciclon Semiconductor Device Corp. | Mosfet device having dual interlevel dielectric thickness and method of making same |
CN102280482A (zh) * | 2011-08-02 | 2011-12-14 | 清华大学 | 射频侧向扩散金属氧化物半导体器件及制备方法 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104241353A (zh) * | 2013-06-07 | 2014-12-24 | 上海华虹宏力半导体制造有限公司 | 射频ldmos器件及其制造方法 |
CN104600112A (zh) * | 2013-10-31 | 2015-05-06 | 上海华虹宏力半导体制造有限公司 | Ldmos器件 |
CN104282763A (zh) * | 2014-09-15 | 2015-01-14 | 上海华虹宏力半导体制造有限公司 | 射频横向双扩散场效应晶体管及其制作方法 |
CN104282763B (zh) * | 2014-09-15 | 2017-06-06 | 上海华虹宏力半导体制造有限公司 | 射频横向双扩散场效应晶体管制作方法 |
CN105140288A (zh) * | 2015-09-11 | 2015-12-09 | 电子科技大学 | 射频ldmos器件 |
CN105140288B (zh) * | 2015-09-11 | 2018-05-01 | 电子科技大学 | 射频ldmos器件 |
WO2018177073A1 (zh) * | 2017-03-29 | 2018-10-04 | 苏州捷芯威半导体有限公司 | 半导体器件及其制造方法 |
CN107611031A (zh) * | 2017-08-15 | 2018-01-19 | 上海华虹宏力半导体制造有限公司 | 改善法拉第环电阻的方法 |
CN110010473A (zh) * | 2019-04-18 | 2019-07-12 | 北京顿思集成电路设计有限责任公司 | 一种ldmos器件以及制作方法 |
CN112635540A (zh) * | 2019-10-08 | 2021-04-09 | 无锡华润上华科技有限公司 | Ldmos器件及其制备方法 |
CN113097306A (zh) * | 2021-03-27 | 2021-07-09 | 长江存储科技有限责任公司 | Mos器件及其制造方法、以及esd防护电路 |
CN114023822A (zh) * | 2021-11-01 | 2022-02-08 | 长江存储科技有限责任公司 | 半导体结构、其制作方法、存储器、存储系统与电子设备 |
Also Published As
Publication number | Publication date |
---|---|
US20140042522A1 (en) | 2014-02-13 |
CN103035681B (zh) | 2015-08-19 |
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