CN111799172A - 利用肖特基二极管作场板制作的ldmos及其制作方法 - Google Patents
利用肖特基二极管作场板制作的ldmos及其制作方法 Download PDFInfo
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- CN111799172A CN111799172A CN201910276468.6A CN201910276468A CN111799172A CN 111799172 A CN111799172 A CN 111799172A CN 201910276468 A CN201910276468 A CN 201910276468A CN 111799172 A CN111799172 A CN 111799172A
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- schottky diode
- drift region
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000004065 semiconductor Substances 0.000 title claims abstract description 24
- 229910044991 metal oxide Inorganic materials 0.000 title abstract description 5
- 150000004706 metal oxides Chemical class 0.000 title abstract description 5
- 239000000956 alloy Substances 0.000 claims abstract description 41
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 41
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 11
- 238000000206 photolithography Methods 0.000 claims description 8
- 238000001459 lithography Methods 0.000 claims 2
- 230000015556 catabolic process Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 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
- H01L29/66007—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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/402—Field plates
-
- 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
- H01L29/7817—Lateral DMOS transistors, i.e. LDMOS transistors structurally associated with at least one other device
- H01L29/782—Lateral DMOS transistors, i.e. LDMOS transistors structurally associated with at least one other device the other device being a Schottky barrier diode
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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)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910276468.6A CN111799172A (zh) | 2019-04-08 | 2019-04-08 | 利用肖特基二极管作场板制作的ldmos及其制作方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910276468.6A CN111799172A (zh) | 2019-04-08 | 2019-04-08 | 利用肖特基二极管作场板制作的ldmos及其制作方法 |
Publications (1)
Publication Number | Publication Date |
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CN111799172A true CN111799172A (zh) | 2020-10-20 |
Family
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Family Applications (1)
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CN201910276468.6A Pending CN111799172A (zh) | 2019-04-08 | 2019-04-08 | 利用肖特基二极管作场板制作的ldmos及其制作方法 |
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CN (1) | CN111799172A (zh) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0380340A2 (en) * | 1989-01-25 | 1990-08-01 | Cree Research, Inc. | Silicon carbide Schottky diode and method of making same |
US5895260A (en) * | 1996-03-29 | 1999-04-20 | Motorola, Inc. | Method of fabricating semiconductor devices and the devices |
TW200636993A (en) * | 2005-04-06 | 2006-10-16 | Win Semiconductors Corp | A field effect transistor with novel field-plate structure |
CN102005452A (zh) * | 2009-08-31 | 2011-04-06 | 万国半导体股份有限公司 | 高电压半导体器件中的集成肖特基二极管 |
CN102315280A (zh) * | 2010-07-08 | 2012-01-11 | 英特赛尔美国股份有限公司 | 具有合并的场板和保护环的肖特基二极管 |
US20130277741A1 (en) * | 2012-04-23 | 2013-10-24 | Globalfoundries Singapore Pte Ltd | Ldmos device with field effect structure to control breakdown voltage, and methods of making such a device |
CN104769715A (zh) * | 2012-07-31 | 2015-07-08 | 硅联纳半导体(美国)有限公司 | 共用衬底上的功率裝置集成 |
CN106783851A (zh) * | 2017-01-19 | 2017-05-31 | 北京世纪金光半导体有限公司 | 集成肖特基二极管的SiCJFET器件及其制作方法 |
-
2019
- 2019-04-08 CN CN201910276468.6A patent/CN111799172A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0380340A2 (en) * | 1989-01-25 | 1990-08-01 | Cree Research, Inc. | Silicon carbide Schottky diode and method of making same |
US5895260A (en) * | 1996-03-29 | 1999-04-20 | Motorola, Inc. | Method of fabricating semiconductor devices and the devices |
TW200636993A (en) * | 2005-04-06 | 2006-10-16 | Win Semiconductors Corp | A field effect transistor with novel field-plate structure |
CN102005452A (zh) * | 2009-08-31 | 2011-04-06 | 万国半导体股份有限公司 | 高电压半导体器件中的集成肖特基二极管 |
CN102315280A (zh) * | 2010-07-08 | 2012-01-11 | 英特赛尔美国股份有限公司 | 具有合并的场板和保护环的肖特基二极管 |
US20130277741A1 (en) * | 2012-04-23 | 2013-10-24 | Globalfoundries Singapore Pte Ltd | Ldmos device with field effect structure to control breakdown voltage, and methods of making such a device |
CN104769715A (zh) * | 2012-07-31 | 2015-07-08 | 硅联纳半导体(美国)有限公司 | 共用衬底上的功率裝置集成 |
CN106783851A (zh) * | 2017-01-19 | 2017-05-31 | 北京世纪金光半导体有限公司 | 集成肖特基二极管的SiCJFET器件及其制作方法 |
Non-Patent Citations (1)
Title |
---|
LIN WEI ET AL.: "Effect of contact field plate on hot-carrier-induced on-resistance degradation in n-Drain extended MOS transistors", 《2017 INTERNATIONAL RELIABILITY PHYSICS SYMPOSIUM (IRPS)》 * |
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PB01 | Publication | ||
PB01 | Publication | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: No.385, Hongcao Road, Xuhui District, Shanghai 200233 Applicant after: SHANGHAI ADVANCED SEMICONDUCTO Address before: No.385, Hongcao Road, Xuhui District, Shanghai 200233 Applicant before: ADVANCED SEMICONDUCTOR MANUFACTURING Co.,Ltd. |
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SE01 | Entry into force of request for substantive examination | ||
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TA01 | Transfer of patent application right |
Effective date of registration: 20210830 Address after: 201306 No. 600, Yunshui Road, Lingang xinpian District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Applicant after: Shanghai Jita Semiconductor Co.,Ltd. Address before: No.385, Hongcao Road, Xuhui District, Shanghai 200233 Applicant before: SHANGHAI ADVANCED SEMICONDUCTO |
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Application publication date: 20201020 |