CN101872763A - 一种可减小衬底电流的ldmos器件及其制造方法 - Google Patents
一种可减小衬底电流的ldmos器件及其制造方法 Download PDFInfo
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- CN101872763A CN101872763A CN201010187355A CN201010187355A CN101872763A CN 101872763 A CN101872763 A CN 101872763A CN 201010187355 A CN201010187355 A CN 201010187355A CN 201010187355 A CN201010187355 A CN 201010187355A CN 101872763 A CN101872763 A CN 101872763A
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- isolated location
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- ldmos device
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- 239000000758 substrate Substances 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000004065 semiconductor Substances 0.000 title abstract description 5
- 229910044991 metal oxide Inorganic materials 0.000 title abstract 2
- 150000004706 metal oxides Chemical class 0.000 title abstract 2
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000010703 silicon Substances 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 65
- 238000002955 isolation Methods 0.000 claims description 55
- 230000004888 barrier function Effects 0.000 claims description 12
- 238000001259 photo etching Methods 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 9
- 238000005468 ion implantation Methods 0.000 claims description 9
- 150000003376 silicon Chemical class 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 238000005229 chemical vapour deposition Methods 0.000 claims description 3
- 238000005268 plasma chemical vapour deposition Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 230000005684 electric field Effects 0.000 abstract description 14
- 239000000969 carrier Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 239000002800 charge carrier Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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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
- H01L29/7833—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
- H01L29/7834—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 a non-planar structure, e.g. the gate or the source or the drain being non-planar
-
- 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
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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)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201010187355A CN101872763A (zh) | 2010-05-28 | 2010-05-28 | 一种可减小衬底电流的ldmos器件及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010187355A CN101872763A (zh) | 2010-05-28 | 2010-05-28 | 一种可减小衬底电流的ldmos器件及其制造方法 |
Publications (1)
Publication Number | Publication Date |
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CN101872763A true CN101872763A (zh) | 2010-10-27 |
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Family Applications (1)
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CN201010187355A Pending CN101872763A (zh) | 2010-05-28 | 2010-05-28 | 一种可减小衬底电流的ldmos器件及其制造方法 |
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CN (1) | CN101872763A (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103091533A (zh) * | 2011-11-03 | 2013-05-08 | 上海华虹Nec电子有限公司 | 用ldmos器件实现的电流采样电路 |
CN103325834A (zh) * | 2013-05-02 | 2013-09-25 | 上海华力微电子有限公司 | 晶体管及其沟道长度的形成方法 |
CN104576499A (zh) * | 2013-10-12 | 2015-04-29 | 中芯国际集成电路制造(上海)有限公司 | Ldmos的制造方法 |
CN111509029A (zh) * | 2019-01-31 | 2020-08-07 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其形成方法 |
CN111769160A (zh) * | 2020-07-07 | 2020-10-13 | 上海晶丰明源半导体股份有限公司 | 半导体器件及其制造方法 |
CN111969038A (zh) * | 2020-08-06 | 2020-11-20 | 互升科技(深圳)有限公司 | 一种场效应管制备方法及场效应管 |
CN112133740A (zh) * | 2020-08-06 | 2020-12-25 | 互升科技(深圳)有限公司 | 一种多层外延mos管器件及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7122876B2 (en) * | 2004-08-11 | 2006-10-17 | Taiwan Semiconductor Manufacturing Company, Ltd. | Isolation-region configuration for integrated-circuit transistor |
US20070054464A1 (en) * | 2005-09-08 | 2007-03-08 | Chartered Semiconductor Manufacturing Ltd. | Different STI depth for Ron improvement for LDMOS integration with submicron devices |
US20080246080A1 (en) * | 2006-07-28 | 2008-10-09 | Broadcom Corporation | Shallow trench isolation (STI) based laterally diffused metal oxide semiconductor (LDMOS) |
CN101625998A (zh) * | 2008-07-09 | 2010-01-13 | 东部高科股份有限公司 | 横向双扩散金属氧化物半导体器件及其制造方法 |
-
2010
- 2010-05-28 CN CN201010187355A patent/CN101872763A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7122876B2 (en) * | 2004-08-11 | 2006-10-17 | Taiwan Semiconductor Manufacturing Company, Ltd. | Isolation-region configuration for integrated-circuit transistor |
US20070054464A1 (en) * | 2005-09-08 | 2007-03-08 | Chartered Semiconductor Manufacturing Ltd. | Different STI depth for Ron improvement for LDMOS integration with submicron devices |
US20080246080A1 (en) * | 2006-07-28 | 2008-10-09 | Broadcom Corporation | Shallow trench isolation (STI) based laterally diffused metal oxide semiconductor (LDMOS) |
CN101625998A (zh) * | 2008-07-09 | 2010-01-13 | 东部高科股份有限公司 | 横向双扩散金属氧化物半导体器件及其制造方法 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103091533A (zh) * | 2011-11-03 | 2013-05-08 | 上海华虹Nec电子有限公司 | 用ldmos器件实现的电流采样电路 |
CN103091533B (zh) * | 2011-11-03 | 2014-12-10 | 上海华虹宏力半导体制造有限公司 | 用ldmos器件实现的电流采样电路 |
CN103325834A (zh) * | 2013-05-02 | 2013-09-25 | 上海华力微电子有限公司 | 晶体管及其沟道长度的形成方法 |
CN103325834B (zh) * | 2013-05-02 | 2016-01-27 | 上海华力微电子有限公司 | 晶体管及其沟道长度的形成方法 |
CN104576499A (zh) * | 2013-10-12 | 2015-04-29 | 中芯国际集成电路制造(上海)有限公司 | Ldmos的制造方法 |
CN111509029A (zh) * | 2019-01-31 | 2020-08-07 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其形成方法 |
CN111509029B (zh) * | 2019-01-31 | 2023-07-14 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其形成方法 |
CN111769160A (zh) * | 2020-07-07 | 2020-10-13 | 上海晶丰明源半导体股份有限公司 | 半导体器件及其制造方法 |
CN111969038A (zh) * | 2020-08-06 | 2020-11-20 | 互升科技(深圳)有限公司 | 一种场效应管制备方法及场效应管 |
CN112133740A (zh) * | 2020-08-06 | 2020-12-25 | 互升科技(深圳)有限公司 | 一种多层外延mos管器件及其制备方法 |
CN112133740B (zh) * | 2020-08-06 | 2024-05-24 | 互升科技(深圳)有限公司 | 一种多层外延mos管器件及其制备方法 |
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C06 | Publication | ||
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Owner name: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HONGLI SEMICONDUCTOR MANUFACTURE CO LTD, SHANGHAI Effective date: 20140514 |
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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 |
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Application publication date: 20101027 |