CN106876450B - 低栅漏电容的纵向场效应晶体管及其制造方法 - Google Patents
低栅漏电容的纵向场效应晶体管及其制造方法 Download PDFInfo
- Publication number
- CN106876450B CN106876450B CN201710126852.9A CN201710126852A CN106876450B CN 106876450 B CN106876450 B CN 106876450B CN 201710126852 A CN201710126852 A CN 201710126852A CN 106876450 B CN106876450 B CN 106876450B
- Authority
- CN
- China
- Prior art keywords
- region
- gate
- field effect
- effect transistor
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005669 field effect Effects 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 31
- 229920005591 polysilicon Polymers 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 13
- 239000007943 implant Substances 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- 210000000746 body region Anatomy 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 7
- 230000003071 parasitic effect Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- 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
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect 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
- H01L29/41—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
-
- 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
Landscapes
- 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 (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710126852.9A CN106876450B (zh) | 2017-03-06 | 2017-03-06 | 低栅漏电容的纵向场效应晶体管及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710126852.9A CN106876450B (zh) | 2017-03-06 | 2017-03-06 | 低栅漏电容的纵向场效应晶体管及其制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106876450A CN106876450A (zh) | 2017-06-20 |
CN106876450B true CN106876450B (zh) | 2023-08-29 |
Family
ID=59170120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710126852.9A Active CN106876450B (zh) | 2017-03-06 | 2017-03-06 | 低栅漏电容的纵向场效应晶体管及其制造方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106876450B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107658235B (zh) * | 2017-09-30 | 2021-01-01 | 成都海威华芯科技有限公司 | 一种fet生产制造过程中t/y型栅特征尺寸的快速测量方法 |
US10475905B2 (en) * | 2018-02-01 | 2019-11-12 | International Business Machines Corporation | Techniques for vertical FET gate length control |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102437191A (zh) * | 2011-12-06 | 2012-05-02 | 苏州硅能半导体科技股份有限公司 | 低栅漏电容的沟槽mos器件及其制造方法 |
CN104282762A (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 |
CN106206720A (zh) * | 2015-05-05 | 2016-12-07 | 北大方正集团有限公司 | 一种低栅漏电容沟槽型功率器件及其制造方法 |
CN106298884A (zh) * | 2016-09-27 | 2017-01-04 | 西安后羿半导体科技有限公司 | 优化fom值的沟槽功率mos管器件及其制造方法 |
CN206490067U (zh) * | 2017-03-06 | 2017-09-12 | 上海矽望电子科技有限公司 | 低栅漏电容的纵向场效应晶体管 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130154017A1 (en) * | 2011-12-14 | 2013-06-20 | Microchip Technology Incorporated | Self-Aligned Gate Structure for Field Effect Transistor |
-
2017
- 2017-03-06 CN CN201710126852.9A patent/CN106876450B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102437191A (zh) * | 2011-12-06 | 2012-05-02 | 苏州硅能半导体科技股份有限公司 | 低栅漏电容的沟槽mos器件及其制造方法 |
CN104282762A (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 |
CN106206720A (zh) * | 2015-05-05 | 2016-12-07 | 北大方正集团有限公司 | 一种低栅漏电容沟槽型功率器件及其制造方法 |
CN106298884A (zh) * | 2016-09-27 | 2017-01-04 | 西安后羿半导体科技有限公司 | 优化fom值的沟槽功率mos管器件及其制造方法 |
CN206490067U (zh) * | 2017-03-06 | 2017-09-12 | 上海矽望电子科技有限公司 | 低栅漏电容的纵向场效应晶体管 |
Also Published As
Publication number | Publication date |
---|---|
CN106876450A (zh) | 2017-06-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10727334B2 (en) | Lateral DMOS device with dummy gate | |
CN102270663B (zh) | 具有超结结构的平面型功率mosfet器件及其制造方法 | |
US10923588B2 (en) | SGT MOSFET with adjustable CRSS and CISS | |
US8445958B2 (en) | Power semiconductor device with trench bottom polysilicon and fabrication method thereof | |
US20160104766A1 (en) | Power Semiconductor Device with Source Trench and Termination Trench Implants | |
JP2005507164A (ja) | 寄生バイポーラトランジスタ作用を減少したmos構造を有する集積回路 | |
CN108400094B (zh) | 屏蔽栅场效应晶体管及其制造方法(锤形) | |
CN104377244A (zh) | 一种降低ldmos导通电阻的器件结构 | |
EP3509110A1 (en) | Component having integrated junction field-effect transistor, and method for manufacturing same | |
CN108598165B (zh) | 屏蔽栅场效应晶体管及其制造方法(柱形) | |
CN114050187A (zh) | 一种低特征导通电阻的集成型沟槽栅功率半导体晶体管 | |
CN107785365B (zh) | 集成有结型场效应晶体管的器件及其制造方法 | |
CN106876450B (zh) | 低栅漏电容的纵向场效应晶体管及其制造方法 | |
CN102709190B (zh) | Ldmos场效应晶体管及其制作方法 | |
CN108389895B (zh) | 基于超结的集成功率器件及其制造方法 | |
CN109585445B (zh) | 功率mosfet | |
CN202205755U (zh) | 具有超结结构的平面型功率mosfet器件 | |
CN103117309A (zh) | 一种横向功率器件结构及其制备方法 | |
CN108376647B (zh) | 屏蔽栅场效应晶体管及其制造方法 | |
CN108091695B (zh) | 垂直双扩散场效应晶体管及其制作方法 | |
CN102522338B (zh) | 高压超结mosfet结构及p型漂移区形成方法 | |
CN114975126A (zh) | 一种降低栅电荷的屏蔽栅沟槽型mosfet制造方法 | |
CN108899282B (zh) | 带有电荷平衡结构的沟槽栅场效应晶体管及其制造方法 | |
CN1996616A (zh) | 厚栅高压p型金属氧化物半导体管及其制备方法 | |
CN206490067U (zh) | 低栅漏电容的纵向场效应晶体管 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20180428 Address after: Room 302, room 88, 7, Guiping Road, Xuhui District, Shanghai Applicant after: Zhang Shuai Applicant after: Huang Xin Address before: No. 3805, room 3128, Zhou Jia Zui Road, Yangpu District, Shanghai Applicant before: SHANGHAI XIWANG ELECTRONIC TECHNOLOGY CO.,LTD. |
|
TA01 | Transfer of patent application right | ||
CB03 | Change of inventor or designer information |
Inventor after: Hu Xin Inventor after: Huang Xin Inventor after: Zhang Shuai Inventor before: Hu Xin |
|
CB03 | Change of inventor or designer information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20191202 Address after: Floor 12, building a1-3, Hanyu Jingu, no.7000, jingshidong Road, Jinan area, China (Shandong) pilot Free Trade Zone, Jinan City, Shandong Province, 250102 Applicant after: Jinan Anhai Semiconductor Co.,Ltd. Address before: Room 302, room 88, 7, Guiping Road, Xuhui District, Shanghai Applicant before: Zhang Shuai Applicant before: Huang Xin |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |