CN111211087B - 具有改进的栅极电荷的功率半导体晶体管 - Google Patents
具有改进的栅极电荷的功率半导体晶体管 Download PDFInfo
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- CN111211087B CN111211087B CN201911005869.4A CN201911005869A CN111211087B CN 111211087 B CN111211087 B CN 111211087B CN 201911005869 A CN201911005869 A CN 201911005869A CN 111211087 B CN111211087 B CN 111211087B
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 238000002955 isolation Methods 0.000 claims description 57
- 239000000463 material Substances 0.000 claims description 36
- 210000000746 body region Anatomy 0.000 claims description 27
- 238000009825 accumulation Methods 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 230000005669 field effect Effects 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000004020 conductor Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 230000007704 transition Effects 0.000 description 13
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 9
- 229920005591 polysilicon Polymers 0.000 description 9
- 238000005530 etching Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/65—Lateral DMOS [LDMOS] FETs
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- H—ELECTRICITY
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/65—Lateral DMOS [LDMOS] FETs
- H10D30/658—Lateral DMOS [LDMOS] FETs having trench gate electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
- H10D30/603—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs having asymmetry in the channel direction, e.g. lateral high-voltage MISFETs having drain offset region or extended drain IGFETs [EDMOS]
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/113—Isolations within a component, i.e. internal isolations
- H10D62/115—Dielectric isolations, e.g. air gaps
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/113—Isolations within a component, i.e. internal isolations
- H10D62/115—Dielectric isolations, e.g. air gaps
- H10D62/116—Dielectric isolations, e.g. air gaps adjoining the input or output regions of field-effect devices, e.g. adjoining source or drain regions
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/351—Substrate regions of field-effect devices
- H10D62/357—Substrate regions of field-effect devices of FETs
- H10D62/364—Substrate regions of field-effect devices of FETs of IGFETs
- H10D62/371—Inactive supplementary semiconductor regions, e.g. for preventing punch-through, improving capacity effect or leakage current
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/393—Body regions of DMOS transistors or IGBTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/111—Field plates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/512—Disposition of the gate electrodes, e.g. buried gates
- H10D64/513—Disposition of the gate electrodes, e.g. buried gates within recesses in the substrate, e.g. trench gates, groove gates or buried gates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/517—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
- H10D64/519—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their top-view geometrical layouts
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/213—Channel regions of field-effect devices
- H10D62/221—Channel regions of field-effect devices of FETs
- H10D62/235—Channel regions of field-effect devices of FETs of IGFETs
- H10D62/299—Channel regions of field-effect devices of FETs of IGFETs having lateral doping variations
- H10D62/307—Channel regions of field-effect devices of FETs of IGFETs having lateral doping variations the doping variations being parallel to the channel lengths
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (16)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911005869.4A CN111211087B (zh) | 2014-03-20 | 2015-03-18 | 具有改进的栅极电荷的功率半导体晶体管 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/220,439 US9306059B2 (en) | 2014-03-20 | 2014-03-20 | Power semiconductor transistor with improved gate charge |
US14/220,439 | 2014-03-20 | ||
CN201911005869.4A CN111211087B (zh) | 2014-03-20 | 2015-03-18 | 具有改进的栅极电荷的功率半导体晶体管 |
CN201510118084.3A CN104934477B (zh) | 2014-03-20 | 2015-03-18 | 具有改进的栅极电荷的功率半导体晶体管 |
Related Parent Applications (1)
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CN201510118084.3A Division CN104934477B (zh) | 2014-03-20 | 2015-03-18 | 具有改进的栅极电荷的功率半导体晶体管 |
Publications (2)
Publication Number | Publication Date |
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CN111211087A CN111211087A (zh) | 2020-05-29 |
CN111211087B true CN111211087B (zh) | 2024-01-02 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CN201911005869.4A Active CN111211087B (zh) | 2014-03-20 | 2015-03-18 | 具有改进的栅极电荷的功率半导体晶体管 |
CN201510118084.3A Active CN104934477B (zh) | 2014-03-20 | 2015-03-18 | 具有改进的栅极电荷的功率半导体晶体管 |
Family Applications After (1)
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CN201510118084.3A Active CN104934477B (zh) | 2014-03-20 | 2015-03-18 | 具有改进的栅极电荷的功率半导体晶体管 |
Country Status (3)
Country | Link |
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US (2) | US9306059B2 (zh) |
KR (1) | KR101925668B1 (zh) |
CN (2) | CN111211087B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9306059B2 (en) * | 2014-03-20 | 2016-04-05 | Kinetic Technologies | Power semiconductor transistor with improved gate charge |
US9373712B2 (en) * | 2014-09-29 | 2016-06-21 | Taiwan Semiconductor Manufacturing Co., Ltd. | Transistor and method of manufacturing the same |
JP2017045884A (ja) * | 2015-08-27 | 2017-03-02 | ルネサスエレクトロニクス株式会社 | 半導体装置および半導体装置の製造方法 |
US9799764B2 (en) * | 2015-12-31 | 2017-10-24 | Sk Hynix System Ic Inc. | Lateral power integrated devices having low on-resistance |
CN107342325B (zh) * | 2017-06-30 | 2020-03-31 | 东南大学 | 一种横向双扩散金属氧化物半导体器件 |
US10707345B2 (en) * | 2018-09-13 | 2020-07-07 | Silanna Asia Pte Ltd | Laterally diffused MOSFET with low Rsp*Qg product |
CN112447843A (zh) * | 2019-09-02 | 2021-03-05 | 无锡华润上华科技有限公司 | 场极板及横向扩散金属氧化物半导体器件 |
KR102737513B1 (ko) * | 2019-11-21 | 2024-12-05 | 삼성전자주식회사 | Mos 구조를 포함하는 반도체 소자 |
CN113707715A (zh) * | 2020-05-21 | 2021-11-26 | 无锡华润上华科技有限公司 | 半导体器件 |
CN114429954A (zh) * | 2020-10-29 | 2022-05-03 | 联华电子股份有限公司 | 半导体元件及其制作方法 |
US20230317845A1 (en) * | 2022-04-05 | 2023-10-05 | Applied Materials, Inc. | Structure and fabrication method of high voltage mosfet with a vertical drift region |
CN114914293A (zh) * | 2022-05-30 | 2022-08-16 | 无锡沃达科半导体技术有限公司 | 一种双扩散mos晶体管结构及其制造方法 |
CN118173580B (zh) * | 2024-04-09 | 2025-05-06 | 南京第三代半导体技术创新中心有限公司 | 一种图形化resurf结构增强耐压的ldmos器件及其制造方法 |
Citations (3)
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CN101375404A (zh) * | 2005-12-19 | 2009-02-25 | Nxp股份有限公司 | 具有sti区的非对称场效应半导体器件 |
CN101819937A (zh) * | 2009-05-29 | 2010-09-01 | 杭州矽力杰半导体技术有限公司 | 横向双扩散金属氧化物半导体晶体管的制造方法 |
CN102064195A (zh) * | 2009-11-13 | 2011-05-18 | 马克西姆综合产品公司 | 改进型mos功率晶体管 |
Family Cites Families (6)
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US20060273379A1 (en) | 2005-06-06 | 2006-12-07 | Alpha & Omega Semiconductor, Ltd. | MOSFET using gate work function engineering for switching applications |
US7405128B1 (en) * | 2007-02-14 | 2008-07-29 | Freescale Semiconductor, Inc. | Dotted channel MOSFET and method |
US8754469B2 (en) * | 2010-10-26 | 2014-06-17 | Texas Instruments Incorporated | Hybrid active-field gap extended drain MOS transistor |
JP5542623B2 (ja) * | 2010-11-09 | 2014-07-09 | 株式会社東芝 | 半導体装置及びその製造方法 |
TWI451572B (zh) * | 2011-01-26 | 2014-09-01 | Richtek Technology Corp | 雙擴散金屬氧化物半導體元件及其製造方法 |
US9306059B2 (en) * | 2014-03-20 | 2016-04-05 | Kinetic Technologies | Power semiconductor transistor with improved gate charge |
-
2014
- 2014-03-20 US US14/220,439 patent/US9306059B2/en active Active
-
2015
- 2015-03-16 KR KR1020150036202A patent/KR101925668B1/ko active Active
- 2015-03-18 CN CN201911005869.4A patent/CN111211087B/zh active Active
- 2015-03-18 CN CN201510118084.3A patent/CN104934477B/zh active Active
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2016
- 2016-03-10 US US15/066,946 patent/US9673319B2/en active Active
Patent Citations (3)
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CN101375404A (zh) * | 2005-12-19 | 2009-02-25 | Nxp股份有限公司 | 具有sti区的非对称场效应半导体器件 |
CN101819937A (zh) * | 2009-05-29 | 2010-09-01 | 杭州矽力杰半导体技术有限公司 | 横向双扩散金属氧化物半导体晶体管的制造方法 |
CN102064195A (zh) * | 2009-11-13 | 2011-05-18 | 马克西姆综合产品公司 | 改进型mos功率晶体管 |
Also Published As
Publication number | Publication date |
---|---|
KR20150110346A (ko) | 2015-10-02 |
US9673319B2 (en) | 2017-06-06 |
CN111211087A (zh) | 2020-05-29 |
KR101925668B1 (ko) | 2018-12-05 |
US20160197180A1 (en) | 2016-07-07 |
HK1215469A1 (zh) | 2016-08-26 |
CN104934477A (zh) | 2015-09-23 |
US9306059B2 (en) | 2016-04-05 |
US20150270389A1 (en) | 2015-09-24 |
CN104934477B (zh) | 2019-11-19 |
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