CN103441148B - 一种集成肖特基二极管的槽栅vdmos器件 - Google Patents
一种集成肖特基二极管的槽栅vdmos器件 Download PDFInfo
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- CN103441148B CN103441148B CN201310350487.1A CN201310350487A CN103441148B CN 103441148 B CN103441148 B CN 103441148B CN 201310350487 A CN201310350487 A CN 201310350487A CN 103441148 B CN103441148 B CN 103441148B
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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
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- 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
-
- 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
- H01L29/407—Recessed field plates, e.g. trench field plates, buried 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
- H01L29/40—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
- H01L29/41766—Source or drain electrodes for field effect devices with at least part of the source or drain electrode having contact below the semiconductor surface, e.g. the source or drain electrode formed at least partially in a groove or with inclusions of conductor inside the semiconductor
-
- 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
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7803—Vertical DMOS transistors, i.e. VDMOS transistors structurally associated with at least one other device
- H01L29/7806—Vertical DMOS transistors, i.e. VDMOS transistors structurally associated with at least one other device the other device being a Schottky barrier diode
-
- 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
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
- H01L29/42368—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity the thickness being non-uniform
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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)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310350487.1A CN103441148B (zh) | 2013-08-13 | 2013-08-13 | 一种集成肖特基二极管的槽栅vdmos器件 |
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CN201310350487.1A CN103441148B (zh) | 2013-08-13 | 2013-08-13 | 一种集成肖特基二极管的槽栅vdmos器件 |
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CN103441148A CN103441148A (zh) | 2013-12-11 |
CN103441148B true CN103441148B (zh) | 2016-08-31 |
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CN201310350487.1A Expired - Fee Related CN103441148B (zh) | 2013-08-13 | 2013-08-13 | 一种集成肖特基二极管的槽栅vdmos器件 |
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Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105097540B (zh) * | 2014-05-21 | 2018-07-24 | 北大方正集团有限公司 | 平面vdmos器件的制造方法 |
HK1207524A2 (zh) * | 2015-10-07 | 2016-01-29 | Internat Onizuka Electronics Ltd | 種 及其製作方法 |
KR101786668B1 (ko) * | 2015-12-14 | 2017-10-18 | 현대자동차 주식회사 | 반도체 소자 및 그 제조 방법 |
CN107293601B (zh) * | 2016-04-12 | 2021-10-22 | 朱江 | 一种肖特基半导体装置及其制备方法 |
CN106206738B (zh) * | 2016-08-22 | 2019-09-27 | 电子科技大学 | 一种积累型功率dmos器件 |
CN106847700B (zh) * | 2017-03-07 | 2022-03-15 | 中山汉臣电子科技有限公司 | 一种高压vdmos结构及其制备方法 |
SE541402C2 (en) * | 2017-09-15 | 2019-09-17 | Ascatron Ab | Integration of a schottky diode with a mosfet |
CN109755310B (zh) * | 2017-11-01 | 2021-01-01 | 苏州东微半导体有限公司 | 一种分栅结构的功率晶体管 |
CN109755304B (zh) * | 2017-11-01 | 2020-10-16 | 苏州东微半导体有限公司 | 一种分栅igbt功率器件 |
JP6732359B2 (ja) | 2017-11-01 | 2020-07-29 | 蘇州東微半導体有限公司 | トレンチ型パワートランジスタ |
CN108878517A (zh) * | 2018-06-28 | 2018-11-23 | 济南大学 | 肖特基结导通型金属氧化物半导体场效应管 |
CN109860301B (zh) * | 2019-01-21 | 2020-06-30 | 东南大学 | 一种低反向恢复电荷sj-vdmos器件 |
CN110998861B (zh) * | 2019-10-18 | 2022-03-22 | 香港应用科技研究院有限公司 | 功率晶体管及其制造方法 |
CN111370490A (zh) * | 2020-03-18 | 2020-07-03 | 鑫金微半导体(深圳)有限公司 | 类第三代半导体性能的n型硅基新型场效应管及加工方法 |
CN113659014B (zh) * | 2021-10-20 | 2022-01-18 | 四川洪芯微科技有限公司 | 一种含有阴极短接槽栅结构的功率二极管 |
CN113823679A (zh) * | 2021-11-23 | 2021-12-21 | 成都蓉矽半导体有限公司 | 栅控二极管整流器 |
CN118053761B (zh) * | 2024-04-16 | 2024-06-25 | 泰科天润半导体科技(北京)有限公司 | 一种抑制栅极击穿的沟槽栅碳化硅mosfet的制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101064308A (zh) * | 2001-08-23 | 2007-10-31 | 通用半导体公司 | 合并器件的形成方法和设计方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080246082A1 (en) * | 2007-04-04 | 2008-10-09 | Force-Mos Technology Corporation | Trenched mosfets with embedded schottky in the same cell |
US8222678B2 (en) * | 2009-08-17 | 2012-07-17 | Excelliance Mos Corporation | Semiconductor structure |
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2013
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Patent Citations (1)
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CN101064308A (zh) * | 2001-08-23 | 2007-10-31 | 通用半导体公司 | 合并器件的形成方法和设计方法 |
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