CN109873036B - Mosfet结构及其制造方法 - Google Patents
Mosfet结构及其制造方法 Download PDFInfo
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/66—Vertical DMOS [VDMOS] FETs
- H10D30/668—Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
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- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/65—Lateral DMOS [LDMOS] FETs
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- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0281—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of lateral DMOS [LDMOS] FETs
- H10D30/0287—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of lateral DMOS [LDMOS] FETs using recessing of the source electrodes
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- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0281—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of lateral DMOS [LDMOS] FETs
- H10D30/0289—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of lateral DMOS [LDMOS] FETs using recessing of the gate electrodes, e.g. to form trench gate electrodes
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- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0291—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
- H10D30/0297—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs using recessing of the gate electrodes, e.g. to form trench gate electrodes
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- H10D62/141—Anode or cathode regions of thyristors; Collector or emitter regions of gated bipolar-mode devices, e.g. of IGBTs
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- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
- H10D64/664—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures the additional layers comprising a barrier layer between the layer of silicon and an upper metal or metal silicide layer
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- H10D84/101—Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
- H10D84/141—VDMOS having built-in components
- H10D84/146—VDMOS having built-in components the built-in components being Schottky barrier diodes
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- H10D84/101—Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
- H10D84/151—LDMOS having built-in components
- H10D84/156—LDMOS having built-in components the built-in components being Schottky barrier diodes
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711270129.4A CN109873036B (zh) | 2017-12-05 | 2017-12-05 | Mosfet结构及其制造方法 |
PCT/CN2018/117356 WO2019109823A1 (zh) | 2017-12-05 | 2018-11-26 | Mosfet结构及其制造方法 |
US16/890,151 US11158736B2 (en) | 2017-12-05 | 2020-06-02 | MOSFET structure, and manufacturing method thereof |
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CN201711270129.4A CN109873036B (zh) | 2017-12-05 | 2017-12-05 | Mosfet结构及其制造方法 |
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CN109873036A CN109873036A (zh) | 2019-06-11 |
CN109873036B true CN109873036B (zh) | 2021-01-08 |
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US (1) | US11158736B2 (zh) |
CN (1) | CN109873036B (zh) |
WO (1) | WO2019109823A1 (zh) |
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CN113745158A (zh) * | 2020-05-29 | 2021-12-03 | 无锡华润上华科技有限公司 | 具有引出结构的沟槽侧壁栅极及其制造方法 |
CN111584621B (zh) * | 2020-06-12 | 2024-09-06 | 无锡新洁能股份有限公司 | 高可靠性高密度元胞功率半导体器件结构及其制造方法 |
CN113838748B (zh) * | 2020-06-24 | 2025-01-21 | 无锡华润上华科技有限公司 | 沟槽侧壁栅极结构的沟槽填充方法 |
CN116169094A (zh) * | 2021-11-25 | 2023-05-26 | 无锡华润上华科技有限公司 | 自对准孔的制备方法及半导体器件 |
CN118448449B (zh) * | 2024-07-08 | 2024-11-19 | 无锡商甲半导体有限公司 | 一种高可靠性igbt器件终端结构及其制造方法 |
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JP4797265B2 (ja) * | 2001-03-21 | 2011-10-19 | 富士電機株式会社 | 半導体装置および半導体装置の製造方法 |
US7816729B2 (en) * | 2006-08-08 | 2010-10-19 | Fwu-Iuan Hshieh | Trenched MOSFET device with trenched contacts |
US7633120B2 (en) * | 2006-08-08 | 2009-12-15 | Alph & Omega Semiconductor, Ltd. | Inverted-trench grounded-source field effect transistor (FET) structure using highly conductive substrates |
US7851856B2 (en) * | 2008-12-29 | 2010-12-14 | Alpha & Omega Semiconductor, Ltd | True CSP power MOSFET based on bottom-source LDMOS |
CN101853852B (zh) * | 2010-04-29 | 2011-08-17 | 苏州硅能半导体科技股份有限公司 | 单胞中集成肖特基二极管的沟槽mos器件及制造方法 |
US8354315B2 (en) | 2010-06-23 | 2013-01-15 | Great Power Semiconductor Corp. | Fabrication method of a power semicondutor structure with schottky diode |
CN102280487B (zh) * | 2011-08-22 | 2013-01-30 | 无锡新洁能功率半导体有限公司 | 一种沟槽结构的功率mosfet器件及其制造方法 |
US8686502B2 (en) | 2012-03-19 | 2014-04-01 | Texas Instruments Incorporated | Schottky diode integrated into LDMOS |
US9293376B2 (en) * | 2012-07-11 | 2016-03-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Apparatus and method for power MOS transistor |
CN102945808B (zh) | 2012-11-30 | 2017-06-23 | 上海华虹宏力半导体制造有限公司 | 沟槽型mos晶体管制造方法 |
KR101920717B1 (ko) * | 2013-01-14 | 2018-11-21 | 삼성전자주식회사 | 이중 병렬 채널 구조를 갖는 반도체 소자 및 상기 반도체 소자의 제조 방법 |
JP2015195286A (ja) | 2014-03-31 | 2015-11-05 | サンケン電気株式会社 | 半導体装置 |
CN104518028A (zh) * | 2014-08-13 | 2015-04-15 | 上海华虹宏力半导体制造有限公司 | 基于屏蔽栅结构的沟槽栅mosfet |
JP6472714B2 (ja) | 2015-06-03 | 2019-02-20 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
CN105679810A (zh) * | 2016-03-31 | 2016-06-15 | 无锡新洁能股份有限公司 | 适用于电荷耦合器件的半导体结构及其制造方法 |
CN105932042B (zh) | 2016-04-26 | 2018-09-21 | 电子科技大学 | 一种双分裂沟槽栅电荷存储型igbt及其制造方法 |
CN107425056A (zh) | 2016-05-24 | 2017-12-01 | 常州中明半导体技术有限公司 | 一种绝缘栅双极型晶体管器件 |
CN106920848B (zh) * | 2017-04-19 | 2023-09-01 | 无锡新洁能股份有限公司 | 电荷耦合功率mosfet器件及其制造方法 |
CN106876472B (zh) * | 2017-04-19 | 2023-07-14 | 无锡新洁能股份有限公司 | 一种电荷耦合功率mosfet器件及其制造方法 |
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2017
- 2017-12-05 CN CN201711270129.4A patent/CN109873036B/zh active Active
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2018
- 2018-11-26 WO PCT/CN2018/117356 patent/WO2019109823A1/zh active Application Filing
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US20200295184A1 (en) | 2020-09-17 |
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