CN114628496A - 一种多沟槽功率mosfet结构及其制作方法 - Google Patents
一种多沟槽功率mosfet结构及其制作方法 Download PDFInfo
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- CN114628496A CN114628496A CN202210516981.XA CN202210516981A CN114628496A CN 114628496 A CN114628496 A CN 114628496A CN 202210516981 A CN202210516981 A CN 202210516981A CN 114628496 A CN114628496 A CN 114628496A
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- 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
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- 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
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- H01L29/0607—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/063—Reduced surface field [RESURF] pn-junction structures
- H01L29/0634—Multiple reduced surface field (multi-RESURF) structures, e.g. double RESURF, charge compensation, cool, superjunction (SJ), 3D-RESURF, composite buffer (CB) structures
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- 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
- H01L29/42356—Disposition, e.g. buried gate electrode
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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
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
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Citations (17)
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US20020100934A1 (en) * | 2001-01-31 | 2002-08-01 | Akio Nakagawa | High voltage semiconductor device |
US20060292805A1 (en) * | 2005-06-27 | 2006-12-28 | Kabushiki Kaisha Toshiba | Semiconductor device |
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US20070267690A1 (en) * | 2006-05-19 | 2007-11-22 | Ho-Yuan Yu | DMOSFET with current injection |
CN101379610A (zh) * | 2006-02-10 | 2009-03-04 | 飞兆半导体公司 | 用于功率mosfet应用的低电阻栅极及其制造方法 |
WO2009079473A1 (en) * | 2007-12-14 | 2009-06-25 | Fairchild Semiconductor Corporation | Structure and method for forming trench gate transistors with low gate resistance |
CN102201445A (zh) * | 2011-04-14 | 2011-09-28 | 中北大学 | 一种psoi横向超结功率半导体器件 |
CN102694018A (zh) * | 2011-03-23 | 2012-09-26 | 株式会社东芝 | 功率用半导体装置 |
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US20140097489A1 (en) * | 2012-10-05 | 2014-04-10 | Semiconductor Components Industries, Llc | Semiconductor device having localized charge balance structure and method |
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CN108649072A (zh) * | 2018-02-09 | 2018-10-12 | 江苏捷捷微电子股份有限公司 | 一种低导通电阻的沟槽mosfet器件及其制造方法 |
CN108878531A (zh) * | 2017-05-15 | 2018-11-23 | 英飞凌科技股份有限公司 | 半导体器件、其设计方法和制造方法以及电子电路 |
CN111697078A (zh) * | 2020-06-29 | 2020-09-22 | 电子科技大学 | 高雪崩耐量的vdmos器件及制备方法 |
CN113363322A (zh) * | 2020-03-05 | 2021-09-07 | 上海先进半导体制造有限公司 | N沟道的沟槽型vdmos和沟槽型igbt |
CN113497113A (zh) * | 2020-04-01 | 2021-10-12 | 成都蓉矽半导体有限公司 | 具有超低导通电压的新型绝缘栅双极晶体管 |
US11302806B1 (en) * | 2020-11-24 | 2022-04-12 | Huge Power Limited Taiwan Branch (B.V.I.) | Double-gate trench-type insulated-gate bipolar transistor device |
-
2022
- 2022-05-13 CN CN202210516981.XA patent/CN114628496B/zh active Active
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020100934A1 (en) * | 2001-01-31 | 2002-08-01 | Akio Nakagawa | High voltage semiconductor device |
US20060292805A1 (en) * | 2005-06-27 | 2006-12-28 | Kabushiki Kaisha Toshiba | Semiconductor device |
CN101379610A (zh) * | 2006-02-10 | 2009-03-04 | 飞兆半导体公司 | 用于功率mosfet应用的低电阻栅极及其制造方法 |
US20070221950A1 (en) * | 2006-03-14 | 2007-09-27 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Semiconductor device and a method for producing the same |
US20070267690A1 (en) * | 2006-05-19 | 2007-11-22 | Ho-Yuan Yu | DMOSFET with current injection |
WO2009079473A1 (en) * | 2007-12-14 | 2009-06-25 | Fairchild Semiconductor Corporation | Structure and method for forming trench gate transistors with low gate resistance |
CN101897010A (zh) * | 2007-12-14 | 2010-11-24 | 飞兆半导体公司 | 形成具有低栅电阻的沟槽栅晶体管的结构及方法 |
CN102694018A (zh) * | 2011-03-23 | 2012-09-26 | 株式会社东芝 | 功率用半导体装置 |
CN102201445A (zh) * | 2011-04-14 | 2011-09-28 | 中北大学 | 一种psoi横向超结功率半导体器件 |
CN103503155A (zh) * | 2011-04-27 | 2014-01-08 | 飞兆半导体公司 | 用于功率器件的超结结构及制造方法 |
US20140097489A1 (en) * | 2012-10-05 | 2014-04-10 | Semiconductor Components Industries, Llc | Semiconductor device having localized charge balance structure and method |
US20170162681A1 (en) * | 2015-12-08 | 2017-06-08 | Toyota Jidosha Kabushiki Kaisha | Igbt |
CN108878531A (zh) * | 2017-05-15 | 2018-11-23 | 英飞凌科技股份有限公司 | 半导体器件、其设计方法和制造方法以及电子电路 |
CN108649072A (zh) * | 2018-02-09 | 2018-10-12 | 江苏捷捷微电子股份有限公司 | 一种低导通电阻的沟槽mosfet器件及其制造方法 |
CN113363322A (zh) * | 2020-03-05 | 2021-09-07 | 上海先进半导体制造有限公司 | N沟道的沟槽型vdmos和沟槽型igbt |
CN113497113A (zh) * | 2020-04-01 | 2021-10-12 | 成都蓉矽半导体有限公司 | 具有超低导通电压的新型绝缘栅双极晶体管 |
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US11302806B1 (en) * | 2020-11-24 | 2022-04-12 | Huge Power Limited Taiwan Branch (B.V.I.) | Double-gate trench-type insulated-gate bipolar transistor device |
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Effective date of registration: 20240207 Address after: No. 88, Wenchang East Road, Yangzhou, Jiangsu 225000 Patentee after: Jiangsu Daoyuan Technology Group Co.,Ltd. Country or region after: China Address before: 211135 enlightenment star Nanjing maker space G41, second floor, No. 188, Qidi street, Qilin science and Technology Innovation Park, Qixia District, Nanjing, Jiangsu Province Patentee before: Jiangsu Peregrine Microelectronics Co.,Ltd. Country or region before: China |