CN109103257A - 高可靠性深沟槽功率mos器件 - Google Patents
高可靠性深沟槽功率mos器件 Download PDFInfo
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- CN109103257A CN109103257A CN201810744757.XA CN201810744757A CN109103257A CN 109103257 A CN109103257 A CN 109103257A CN 201810744757 A CN201810744757 A CN 201810744757A CN 109103257 A CN109103257 A CN 109103257A
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 45
- 229920005591 polysilicon Polymers 0.000 claims abstract description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- 150000004706 metal oxides Chemical class 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
- H10D62/105—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
Landscapes
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744757.XA CN109103257A (zh) | 2018-07-09 | 2018-07-09 | 高可靠性深沟槽功率mos器件 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744757.XA CN109103257A (zh) | 2018-07-09 | 2018-07-09 | 高可靠性深沟槽功率mos器件 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109103257A true CN109103257A (zh) | 2018-12-28 |
Family
ID=64845893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810744757.XA Pending CN109103257A (zh) | 2018-07-09 | 2018-07-09 | 高可靠性深沟槽功率mos器件 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109103257A (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611747A (zh) * | 2021-08-04 | 2021-11-05 | 济南市半导体元件实验所 | 集成势垒夹断二极管的sgt功率mos器件及加工工艺 |
| CN113838920A (zh) * | 2021-09-23 | 2021-12-24 | 电子科技大学 | 一种具有自偏置pmos的分离栅cstbt及其制作方法 |
| CN113838913A (zh) * | 2021-09-23 | 2021-12-24 | 电子科技大学 | 分段式注入的自钳位igbt器件及其制作方法 |
| CN116705724A (zh) * | 2023-06-27 | 2023-09-05 | 先之科半导体科技(东莞)有限公司 | 一种便于维护且使用寿命长的mos晶体管 |
| CN117497568A (zh) * | 2023-12-27 | 2024-02-02 | 天狼芯半导体(成都)有限公司 | 具有左右栅结构的sgtmos器件及其制备方法、芯片 |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050151190A1 (en) * | 2003-11-14 | 2005-07-14 | Infineon Technologies Ag | Power transistor arrangement and method for fabricating it |
| JP2006093457A (ja) * | 2004-09-24 | 2006-04-06 | Toyota Motor Corp | 絶縁ゲート型半導体装置 |
| CN101626033A (zh) * | 2008-07-09 | 2010-01-13 | 飞兆半导体公司 | 屏蔽栅沟槽fet结构及其形成方法 |
| CN101719516A (zh) * | 2009-11-20 | 2010-06-02 | 苏州硅能半导体科技股份有限公司 | 一种低栅极电荷深沟槽功率mos器件及其制造方法 |
| CN102956684A (zh) * | 2011-08-25 | 2013-03-06 | 万国半导体股份有限公司 | 集成晶胞的掩埋场环场效应晶体管植入空穴供应通路 |
| US20140103426A1 (en) * | 2012-10-12 | 2014-04-17 | Fu-Yuan Hsieh | Trench metal oxide semiconductor field effect transistor with multiple trenched source-body contacts for reducing gate charge |
| CN103855018A (zh) * | 2012-12-04 | 2014-06-11 | 上海华虹宏力半导体制造有限公司 | 沟槽底部进行离子注入调节bv和改善导通电阻的方法 |
| US20170278837A1 (en) * | 2016-03-25 | 2017-09-28 | Force Mos Technology Co., Ltd | Semiconductor power device having shielded gate structure and esd clamp diode manufactured with less mask process |
| CN107731908A (zh) * | 2017-10-24 | 2018-02-23 | 贵州芯长征科技有限公司 | 提高耐压的屏蔽栅mosfet结构及其制备方法 |
| US20180102361A1 (en) * | 2016-10-06 | 2018-04-12 | Toyota Jidosha Kabushiki Kaisha | Switching device |
| CN208835068U (zh) * | 2018-07-09 | 2019-05-07 | 苏州硅能半导体科技股份有限公司 | 高可靠性深沟槽功率mos器件 |
-
2018
- 2018-07-09 CN CN201810744757.XA patent/CN109103257A/zh active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050151190A1 (en) * | 2003-11-14 | 2005-07-14 | Infineon Technologies Ag | Power transistor arrangement and method for fabricating it |
| JP2006093457A (ja) * | 2004-09-24 | 2006-04-06 | Toyota Motor Corp | 絶縁ゲート型半導体装置 |
| CN101626033A (zh) * | 2008-07-09 | 2010-01-13 | 飞兆半导体公司 | 屏蔽栅沟槽fet结构及其形成方法 |
| CN101719516A (zh) * | 2009-11-20 | 2010-06-02 | 苏州硅能半导体科技股份有限公司 | 一种低栅极电荷深沟槽功率mos器件及其制造方法 |
| CN102956684A (zh) * | 2011-08-25 | 2013-03-06 | 万国半导体股份有限公司 | 集成晶胞的掩埋场环场效应晶体管植入空穴供应通路 |
| US20140103426A1 (en) * | 2012-10-12 | 2014-04-17 | Fu-Yuan Hsieh | Trench metal oxide semiconductor field effect transistor with multiple trenched source-body contacts for reducing gate charge |
| CN103855018A (zh) * | 2012-12-04 | 2014-06-11 | 上海华虹宏力半导体制造有限公司 | 沟槽底部进行离子注入调节bv和改善导通电阻的方法 |
| US20170278837A1 (en) * | 2016-03-25 | 2017-09-28 | Force Mos Technology Co., Ltd | Semiconductor power device having shielded gate structure and esd clamp diode manufactured with less mask process |
| US20180102361A1 (en) * | 2016-10-06 | 2018-04-12 | Toyota Jidosha Kabushiki Kaisha | Switching device |
| CN107731908A (zh) * | 2017-10-24 | 2018-02-23 | 贵州芯长征科技有限公司 | 提高耐压的屏蔽栅mosfet结构及其制备方法 |
| CN208835068U (zh) * | 2018-07-09 | 2019-05-07 | 苏州硅能半导体科技股份有限公司 | 高可靠性深沟槽功率mos器件 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611747A (zh) * | 2021-08-04 | 2021-11-05 | 济南市半导体元件实验所 | 集成势垒夹断二极管的sgt功率mos器件及加工工艺 |
| CN113838920A (zh) * | 2021-09-23 | 2021-12-24 | 电子科技大学 | 一种具有自偏置pmos的分离栅cstbt及其制作方法 |
| CN113838913A (zh) * | 2021-09-23 | 2021-12-24 | 电子科技大学 | 分段式注入的自钳位igbt器件及其制作方法 |
| CN113838920B (zh) * | 2021-09-23 | 2023-04-28 | 电子科技大学 | 一种具有自偏置pmos的分离栅cstbt及其制作方法 |
| CN113838913B (zh) * | 2021-09-23 | 2023-04-28 | 电子科技大学 | 分段式注入的自钳位igbt器件及其制作方法 |
| CN116705724A (zh) * | 2023-06-27 | 2023-09-05 | 先之科半导体科技(东莞)有限公司 | 一种便于维护且使用寿命长的mos晶体管 |
| CN116705724B (zh) * | 2023-06-27 | 2024-03-22 | 先之科半导体科技(东莞)有限公司 | 一种便于维护且使用寿命长的mos晶体管 |
| CN117497568A (zh) * | 2023-12-27 | 2024-02-02 | 天狼芯半导体(成都)有限公司 | 具有左右栅结构的sgtmos器件及其制备方法、芯片 |
| CN117497568B (zh) * | 2023-12-27 | 2024-04-19 | 天狼芯半导体(成都)有限公司 | 具有左右栅结构的sgtmos器件及其制备方法、芯片 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20240204 Address after: 518000 Room 201, building A, 1 front Bay Road, Shenzhen Qianhai cooperation zone, Shenzhen, Guangdong Applicant after: Shenzhen Hemeiyuan Technology Co.,Ltd. Country or region after: China Address before: Room 501, Building NW20, Suzhou Nano City, No. 99 Jinjihu Avenue, Industrial Park, Suzhou City, Jiangsu Province, 215126 Applicant before: SUZHOU SILIKRON SEMICONDUCTOR TECHNOLOGY CO.,LTD. Country or region before: China |
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Effective date of registration: 20240318 Address after: Room 306, Building 2, No.1 Qingshan Road, High tech Zone, Suzhou City, Jiangsu Province, 215100 Applicant after: New Silicon Microelectronics (Suzhou) Co.,Ltd. Country or region after: China Address before: 518000 Room 201, building A, 1 front Bay Road, Shenzhen Qianhai cooperation zone, Shenzhen, Guangdong Applicant before: Shenzhen Hemeiyuan Technology Co.,Ltd. Country or region before: China |
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Application publication date: 20181228 |
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