CN103035717A - 阶梯形漂移区的ldmos器件及其制造方法 - Google Patents
阶梯形漂移区的ldmos器件及其制造方法 Download PDFInfo
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- CN103035717A CN103035717A CN2012102649455A CN201210264945A CN103035717A CN 103035717 A CN103035717 A CN 103035717A CN 2012102649455 A CN2012102649455 A CN 2012102649455A CN 201210264945 A CN201210264945 A CN 201210264945A CN 103035717 A CN103035717 A CN 103035717A
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- drift region
- ldmos device
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- 238000000034 method Methods 0.000 claims description 32
- 238000005516 engineering process Methods 0.000 claims description 16
- 238000005468 ion implantation Methods 0.000 claims description 14
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- 238000002513 implantation Methods 0.000 claims description 5
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- 238000004151 rapid thermal annealing Methods 0.000 description 2
- 241001046947 Ectropis obliqua Species 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000002019 doping agent Substances 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 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
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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
- H01L29/02—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
- H01L29/0657—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 of the body
- H01L29/0661—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 of the body specially adapted for altering the breakdown voltage by removing semiconductor material at, or in the neighbourhood of, a reverse biased junction, e.g. by bevelling, moat etching, depletion etching
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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
- H01L29/66007—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 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
- H01L29/66007—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 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
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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
- H01L29/7833—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
Abstract
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Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201210264945.5A CN103035717B (zh) | 2012-07-27 | 2012-07-27 | 阶梯形漂移区的ldmos器件及其制造方法 |
US13/947,604 US9029948B2 (en) | 2012-07-27 | 2013-07-22 | LDMOS device with step-like drift region and fabrication method thereof |
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CN201210264945.5A CN103035717B (zh) | 2012-07-27 | 2012-07-27 | 阶梯形漂移区的ldmos器件及其制造方法 |
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CN103035717A true CN103035717A (zh) | 2013-04-10 |
CN103035717B CN103035717B (zh) | 2015-10-14 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104638003A (zh) * | 2013-11-14 | 2015-05-20 | 上海华虹宏力半导体制造有限公司 | 射频ldmos器件及工艺方法 |
JP2017507502A (ja) * | 2014-03-06 | 2017-03-16 | 日本テキサス・インスツルメンツ株式会社 | Rds×cgdが改善されたldmosトランジスタ、及びrds×cgdが改善されたldmosトランジスタを形成する方法 |
CN111370312A (zh) * | 2020-03-24 | 2020-07-03 | 上海华虹宏力半导体制造有限公司 | Rfldmos器件的制作方法 |
CN114361244A (zh) * | 2022-03-18 | 2022-04-15 | 北京芯可鉴科技有限公司 | Ldmosfet器件、制作方法及芯片 |
CN114464674A (zh) * | 2022-04-11 | 2022-05-10 | 北京芯可鉴科技有限公司 | Ldmosfet器件、制作方法及芯片 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111933713B (zh) * | 2020-09-24 | 2021-02-05 | 晶芯成(北京)科技有限公司 | 半导体器件及其制造方法 |
CN114267717B (zh) * | 2021-11-19 | 2024-03-01 | 深圳深爱半导体股份有限公司 | 半导体器件及其制备方法 |
CN115274857B (zh) * | 2022-09-30 | 2023-01-24 | 北京芯可鉴科技有限公司 | Ldmos器件、ldmos器件制造方法及芯片 |
CN116779537B (zh) * | 2023-08-17 | 2023-11-14 | 合肥晶合集成电路股份有限公司 | 半导体结构的制作方法以及半导体结构 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6693340B1 (en) * | 2001-05-11 | 2004-02-17 | Fuji Electric Co., Ltd. | Lateral semiconductor device |
US7531875B2 (en) * | 2003-05-13 | 2009-05-12 | Cambridge Semiconductor Limited | Lateral SOI semiconductor device |
CN101783295A (zh) * | 2009-01-19 | 2010-07-21 | 中芯国际集成电路制造(上海)有限公司 | 一种高压ldmos器件及其制造方法 |
CN102412162A (zh) * | 2011-11-23 | 2012-04-11 | 上海华虹Nec电子有限公司 | 提高nldmos击穿电压的方法 |
CN102543738A (zh) * | 2010-12-20 | 2012-07-04 | 上海华虹Nec电子有限公司 | 高压ldmos器件及其制造方法 |
-
2012
- 2012-07-27 CN CN201210264945.5A patent/CN103035717B/zh active Active
-
2013
- 2013-07-22 US US13/947,604 patent/US9029948B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6693340B1 (en) * | 2001-05-11 | 2004-02-17 | Fuji Electric Co., Ltd. | Lateral semiconductor device |
US7531875B2 (en) * | 2003-05-13 | 2009-05-12 | Cambridge Semiconductor Limited | Lateral SOI semiconductor device |
CN101783295A (zh) * | 2009-01-19 | 2010-07-21 | 中芯国际集成电路制造(上海)有限公司 | 一种高压ldmos器件及其制造方法 |
CN102543738A (zh) * | 2010-12-20 | 2012-07-04 | 上海华虹Nec电子有限公司 | 高压ldmos器件及其制造方法 |
CN102412162A (zh) * | 2011-11-23 | 2012-04-11 | 上海华虹Nec电子有限公司 | 提高nldmos击穿电压的方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104638003A (zh) * | 2013-11-14 | 2015-05-20 | 上海华虹宏力半导体制造有限公司 | 射频ldmos器件及工艺方法 |
CN104638003B (zh) * | 2013-11-14 | 2019-04-09 | 上海华虹宏力半导体制造有限公司 | 射频ldmos器件及工艺方法 |
JP2017507502A (ja) * | 2014-03-06 | 2017-03-16 | 日本テキサス・インスツルメンツ株式会社 | Rds×cgdが改善されたldmosトランジスタ、及びrds×cgdが改善されたldmosトランジスタを形成する方法 |
CN111370312A (zh) * | 2020-03-24 | 2020-07-03 | 上海华虹宏力半导体制造有限公司 | Rfldmos器件的制作方法 |
CN111370312B (zh) * | 2020-03-24 | 2023-05-02 | 上海华虹宏力半导体制造有限公司 | Rfldmos器件的制作方法 |
CN114361244A (zh) * | 2022-03-18 | 2022-04-15 | 北京芯可鉴科技有限公司 | Ldmosfet器件、制作方法及芯片 |
CN114464674A (zh) * | 2022-04-11 | 2022-05-10 | 北京芯可鉴科技有限公司 | Ldmosfet器件、制作方法及芯片 |
CN114464674B (zh) * | 2022-04-11 | 2022-06-07 | 北京芯可鉴科技有限公司 | Ldmosfet器件、制作方法及芯片 |
Also Published As
Publication number | Publication date |
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US20140027850A1 (en) | 2014-01-30 |
US9029948B2 (en) | 2015-05-12 |
CN103035717B (zh) | 2015-10-14 |
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