CN110429129A - 高压沟槽型功率半导体器件及制备方法 - Google Patents
高压沟槽型功率半导体器件及制备方法 Download PDFInfo
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- CN110429129A CN110429129A CN201910729781.0A CN201910729781A CN110429129A CN 110429129 A CN110429129 A CN 110429129A CN 201910729781 A CN201910729781 A CN 201910729781A CN 110429129 A CN110429129 A CN 110429129A
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 54
- 229920005591 polysilicon Polymers 0.000 claims abstract description 48
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- 229910010271 silicon carbide Inorganic materials 0.000 claims description 10
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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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0684—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
- H01L29/0692—Surface layout
- H01L29/0696—Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
-
- 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
- H01L29/66234—Bipolar junction transistors [BJT]
- H01L29/66325—Bipolar junction transistors [BJT] controlled by field-effect, e.g. insulated gate bipolar transistors [IGBT]
- H01L29/66333—Vertical insulated gate bipolar transistors
- H01L29/66348—Vertical insulated gate bipolar transistors with a recessed gate
-
- 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
- H01L29/66712—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
-
- 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
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
- H01L29/7395—Vertical transistors, e.g. vertical IGBT
- H01L29/7396—Vertical transistors, e.g. vertical IGBT with a non planar surface, e.g. with a non planar gate or with a trench or recess or pillar in the surface of the emitter, base or collector region for improving current density or short circuiting the emitter and base regions
- H01L29/7397—Vertical transistors, e.g. vertical IGBT with a non planar surface, e.g. with a non planar gate or with a trench or recess or pillar in the surface of the emitter, base or collector region for improving current density or short circuiting the emitter and base regions and a gate structure lying on a slanted or vertical surface or formed in a groove, e.g. trench gate IGBT
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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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)
- Thyristors (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
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CN201910729781.0A CN110429129B (zh) | 2019-08-08 | 2019-08-08 | 高压沟槽型功率半导体器件及制备方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112289684A (zh) * | 2020-10-28 | 2021-01-29 | 上海华虹宏力半导体制造有限公司 | 功率器件的制作方法及器件 |
CN112802753A (zh) * | 2020-12-31 | 2021-05-14 | 广州粤芯半导体技术有限公司 | 半导体器件的制造方法 |
CN112838007A (zh) * | 2020-12-31 | 2021-05-25 | 北京燕东微电子科技有限公司 | 一种沟槽栅功率器件及其制备方法 |
CN115172322A (zh) * | 2022-09-08 | 2022-10-11 | 深圳芯能半导体技术有限公司 | Mosfet的结构、制造方法及功率器件、电子设备 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003179223A (ja) * | 2001-12-12 | 2003-06-27 | Sony Corp | トレンチゲート型半導体装置およびその製造方法 |
US20030178672A1 (en) * | 2002-03-25 | 2003-09-25 | Tetsuo Hatakeyama | High-breakdown-voltage semiconductor device |
JP2007129097A (ja) * | 2005-11-04 | 2007-05-24 | Fuji Electric Holdings Co Ltd | 半導体装置およびその製造方法 |
CN102299152A (zh) * | 2010-06-22 | 2011-12-28 | 茂达电子股份有限公司 | 双导通半导体组件及其制作方法 |
US20130113038A1 (en) * | 2011-11-08 | 2013-05-09 | Feei Cherng Enterprise Co., Ltd. | Trench mosfet with split trenched gate structures in cell corners for gate charge reduction |
CN107204372A (zh) * | 2017-07-19 | 2017-09-26 | 无锡新洁能股份有限公司 | 一种优化终端结构的沟槽型半导体器件及制造方法 |
CN110061049A (zh) * | 2019-05-07 | 2019-07-26 | 张家港凯思半导体有限公司 | 一种低功耗屏蔽栅型半导体功率器件及其制备方法 |
-
2019
- 2019-08-08 CN CN201910729781.0A patent/CN110429129B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003179223A (ja) * | 2001-12-12 | 2003-06-27 | Sony Corp | トレンチゲート型半導体装置およびその製造方法 |
US20030178672A1 (en) * | 2002-03-25 | 2003-09-25 | Tetsuo Hatakeyama | High-breakdown-voltage semiconductor device |
JP2007129097A (ja) * | 2005-11-04 | 2007-05-24 | Fuji Electric Holdings Co Ltd | 半導体装置およびその製造方法 |
CN102299152A (zh) * | 2010-06-22 | 2011-12-28 | 茂达电子股份有限公司 | 双导通半导体组件及其制作方法 |
US20130113038A1 (en) * | 2011-11-08 | 2013-05-09 | Feei Cherng Enterprise Co., Ltd. | Trench mosfet with split trenched gate structures in cell corners for gate charge reduction |
CN107204372A (zh) * | 2017-07-19 | 2017-09-26 | 无锡新洁能股份有限公司 | 一种优化终端结构的沟槽型半导体器件及制造方法 |
CN110061049A (zh) * | 2019-05-07 | 2019-07-26 | 张家港凯思半导体有限公司 | 一种低功耗屏蔽栅型半导体功率器件及其制备方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112289684A (zh) * | 2020-10-28 | 2021-01-29 | 上海华虹宏力半导体制造有限公司 | 功率器件的制作方法及器件 |
CN112289684B (zh) * | 2020-10-28 | 2023-06-30 | 上海华虹宏力半导体制造有限公司 | 功率器件的制作方法及器件 |
CN112802753A (zh) * | 2020-12-31 | 2021-05-14 | 广州粤芯半导体技术有限公司 | 半导体器件的制造方法 |
CN112838007A (zh) * | 2020-12-31 | 2021-05-25 | 北京燕东微电子科技有限公司 | 一种沟槽栅功率器件及其制备方法 |
CN115172322A (zh) * | 2022-09-08 | 2022-10-11 | 深圳芯能半导体技术有限公司 | Mosfet的结构、制造方法及功率器件、电子设备 |
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Effective date of registration: 20220913 Address after: 211100 block A2, Jiulong lake international enterprise headquarters park, No. 19, Suyuan Avenue, Jiangning District, Nanjing, Jiangsu Province (Jiangning Development Zone) Applicant after: Jiangsu Chip Long March Microelectronics Group Co.,Ltd. Applicant after: Nanjing Xinchangzheng Technology Co.,Ltd. Address before: 211100 block A2, Jiulonghu international enterprise headquarters park, 19 Suyuan Avenue, Nanjing City, Jiangsu Province (Jiangning Development Zone) Applicant before: Nanjing Xinchangzheng Technology Co.,Ltd. |
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