CN113035945A - 一种改善优值的新型场效应器件结构及其制造方法 - Google Patents
一种改善优值的新型场效应器件结构及其制造方法 Download PDFInfo
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- 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
- H01L29/66712—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/66734—Vertical DMOS transistors, i.e. VDMOS transistors with a step of recessing the gate electrode, e.g. to form a trench gate electrode
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- H—ELECTRICITY
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- 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
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
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- 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
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- 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
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- 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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- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
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- General Physics & Mathematics (AREA)
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Abstract
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CN202110273843.9A CN113035945A (zh) | 2021-03-15 | 2021-03-15 | 一种改善优值的新型场效应器件结构及其制造方法 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113903669A (zh) * | 2021-12-08 | 2022-01-07 | 江苏长晶浦联功率半导体有限公司 | 一种屏蔽栅沟槽场效应管制造方法及屏蔽栅沟槽场效应管 |
CN115775830A (zh) * | 2022-11-29 | 2023-03-10 | 上海功成半导体科技有限公司 | 屏蔽栅功率器件及其制备方法 |
CN116110957A (zh) * | 2023-04-17 | 2023-05-12 | 深圳平创半导体有限公司 | 一种SiC多级阶梯分裂栅沟槽MOSFET器件及其制作方法 |
CN116344622A (zh) * | 2023-05-25 | 2023-06-27 | 成都吉莱芯科技有限公司 | 一种低输出电容的sgt mosfet器件及制作方法 |
CN117855282A (zh) * | 2024-02-22 | 2024-04-09 | 深圳天狼芯半导体有限公司 | 低压屏蔽栅mosfet及其制备方法、芯片 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140084363A1 (en) * | 2012-09-26 | 2014-03-27 | Jeffrey Pearse | Mos transistor structure |
CN106057674A (zh) * | 2016-05-31 | 2016-10-26 | 上海华虹宏力半导体制造有限公司 | 屏蔽栅沟槽mosfet的制造方法 |
CN109216175A (zh) * | 2017-07-03 | 2019-01-15 | 无锡华润上华科技有限公司 | 半导体器件的栅极结构及其制造方法 |
-
2021
- 2021-03-15 CN CN202110273843.9A patent/CN113035945A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140084363A1 (en) * | 2012-09-26 | 2014-03-27 | Jeffrey Pearse | Mos transistor structure |
CN106057674A (zh) * | 2016-05-31 | 2016-10-26 | 上海华虹宏力半导体制造有限公司 | 屏蔽栅沟槽mosfet的制造方法 |
CN109216175A (zh) * | 2017-07-03 | 2019-01-15 | 无锡华润上华科技有限公司 | 半导体器件的栅极结构及其制造方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113903669A (zh) * | 2021-12-08 | 2022-01-07 | 江苏长晶浦联功率半导体有限公司 | 一种屏蔽栅沟槽场效应管制造方法及屏蔽栅沟槽场效应管 |
CN115775830A (zh) * | 2022-11-29 | 2023-03-10 | 上海功成半导体科技有限公司 | 屏蔽栅功率器件及其制备方法 |
CN116110957A (zh) * | 2023-04-17 | 2023-05-12 | 深圳平创半导体有限公司 | 一种SiC多级阶梯分裂栅沟槽MOSFET器件及其制作方法 |
CN116344622A (zh) * | 2023-05-25 | 2023-06-27 | 成都吉莱芯科技有限公司 | 一种低输出电容的sgt mosfet器件及制作方法 |
CN117855282A (zh) * | 2024-02-22 | 2024-04-09 | 深圳天狼芯半导体有限公司 | 低压屏蔽栅mosfet及其制备方法、芯片 |
CN117855282B (zh) * | 2024-02-22 | 2024-05-24 | 深圳天狼芯半导体有限公司 | 低压屏蔽栅mosfet及其制备方法、芯片 |
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