CN100536165C - 碳化硅mos场效应晶体管以及其制造方法 - Google Patents

碳化硅mos场效应晶体管以及其制造方法 Download PDF

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CN100536165C
CN100536165C CNB2005800369547A CN200580036954A CN100536165C CN 100536165 C CN100536165 C CN 100536165C CN B2005800369547 A CNB2005800369547 A CN B2005800369547A CN 200580036954 A CN200580036954 A CN 200580036954A CN 100536165 C CN100536165 C CN 100536165C
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deposited film
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CN101065847A (zh
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八尾勉
原田信介
岗本光央
福田宪司
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National Institute of Advanced Industrial Science and Technology AIST
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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
    • H10D30/66—Vertical DMOS [VDMOS] FETs
    • 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
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
    • H01L21/0455—Making n or p doped regions or layers, e.g. using diffusion
    • H01L21/046—Making n or p doped regions or layers, e.g. using diffusion using ion implantation
    • H01L21/0465—Making n or p doped regions or layers, e.g. using diffusion using ion implantation using masks
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/01—Manufacture or treatment
    • H10D12/031—Manufacture or treatment of IGBTs
    • 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
    • H10D30/0291—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
    • H10D30/0295—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 source electrodes
    • 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]
    • H10D30/63—Vertical IGFETs
    • H10D30/635—Vertical IGFETs having no inversion channels, e.g. vertical accumulation channel FETs [ACCUFET] or normally-on vertical IGFETs
    • 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
    • H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
    • H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
    • H10D62/105—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] 
    • H10D62/106—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]  having supplementary regions doped oppositely to or in rectifying contact with regions of the semiconductor bodies, e.g. guard rings with PN or Schottky junctions
    • H10D62/107—Buried supplementary regions, e.g. buried guard rings 
    • 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
    • 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
    • H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
    • H10D62/149—Source or drain regions of field-effect devices
    • H10D62/151—Source or drain regions of field-effect devices of IGFETs 
    • H10D62/156—Drain regions of DMOS transistors
    • H10D62/157—Impurity concentrations or distributions
    • 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 
    • 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
    • H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
    • H10D62/83—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge
    • H10D62/832—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge being Group IV materials comprising two or more elements, e.g. SiGe
    • H10D62/8325—Silicon carbide
    • 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 
    • H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
    • H10D64/251—Source or drain electrodes for field-effect devices
    • H10D64/252—Source or drain electrodes for field-effect devices for vertical or pseudo-vertical devices
    • H10D64/2527—Source or drain electrodes for field-effect devices for vertical or pseudo-vertical devices for vertical devices wherein the source or drain electrodes are recessed in semiconductor bodies
    • 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 
    • H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
    • H10D64/251—Source or drain electrodes for field-effect devices
    • H10D64/256—Source or drain electrodes for field-effect devices for lateral devices wherein the source or drain electrodes are recessed in semiconductor bodies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
  • Electrodes Of Semiconductors (AREA)
CNB2005800369547A 2004-11-18 2005-09-30 碳化硅mos场效应晶体管以及其制造方法 Expired - Fee Related CN100536165C (zh)

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JP2004334920A JP4604241B2 (ja) 2004-11-18 2004-11-18 炭化ケイ素ｍｏｓ電界効果トランジスタおよびその製造方法
JP334920/2004 2004-11-18

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CN101065847A CN101065847A (zh) 2007-10-31
CN100536165C true CN100536165C (zh) 2009-09-02

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US (1) US20090134402A1 (enExample)
EP (1) EP1814162A4 (enExample)
JP (1) JP4604241B2 (enExample)
KR (1) KR101057199B1 (enExample)
CN (1) CN100536165C (enExample)
WO (1) WO2006054394A1 (enExample)

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JP5071763B2 (ja) * 2006-10-16 2012-11-14 独立行政法人産業技術総合研究所 炭化ケイ素半導体装置およびその製造方法
US7598567B2 (en) * 2006-11-03 2009-10-06 Cree, Inc. Power switching semiconductor devices including rectifying junction-shunts
JP2008177335A (ja) 2007-01-18 2008-07-31 Fuji Electric Device Technology Co Ltd 炭化珪素絶縁ゲート型半導体装置。
JP5303839B2 (ja) 2007-01-29 2013-10-02 富士電機株式会社 絶縁ゲート炭化珪素半導体装置とその製造方法
JP4786621B2 (ja) * 2007-09-20 2011-10-05 株式会社東芝 半導体装置およびその製造方法
JP2009094203A (ja) * 2007-10-05 2009-04-30 Denso Corp 炭化珪素半導体装置
KR100933383B1 (ko) * 2007-10-26 2009-12-22 한국전기연구원 접합장벽쇼트키 게이트 구조를 갖는 고전압 탄화규소쇼트키 접합형 전계효과 트랜지스터 및 그 제조방법
KR100911883B1 (ko) * 2007-11-09 2009-08-11 한국전기연구원 탄화규소 수직접합형 전계효과 트랜지스터 장치
JP5369464B2 (ja) 2008-03-24 2013-12-18 富士電機株式会社 炭化珪素ｍｏｓ型半導体装置
JP2010056215A (ja) * 2008-08-27 2010-03-11 Nec Electronics Corp 縦型電界効果トランジスタを備える半導体装置及びその製造方法
JP5452062B2 (ja) * 2009-04-08 2014-03-26 三菱電機株式会社 炭化珪素半導体装置の製造方法
US20110024765A1 (en) * 2009-07-31 2011-02-03 General Electric Company Silicon carbide semiconductor structures, devices and methods for making the same
CN102544091A (zh) * 2010-12-17 2012-07-04 浙江大学 新型碳化硅mosfet
US9337268B2 (en) 2011-05-16 2016-05-10 Cree, Inc. SiC devices with high blocking voltage terminated by a negative bevel
JP2012253293A (ja) * 2011-06-07 2012-12-20 Sumitomo Electric Ind Ltd 半導体装置
JP2014520405A (ja) * 2011-06-20 2014-08-21 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア 電流アパーチャ垂直電子トランジスタ
DE102011053641A1 (de) * 2011-09-15 2013-03-21 Infineon Technologies Ag SiC-MOSFET mit hoher Kanalbeweglichkeit
JP2014131008A (ja) * 2012-11-29 2014-07-10 Fuji Electric Co Ltd ワイドバンドギャップ半導体装置
WO2014125586A1 (ja) 2013-02-13 2014-08-21 富士電機株式会社 半導体装置
JP5684304B2 (ja) * 2013-02-27 2015-03-11 株式会社東芝 炭化珪素半導体装置
US9425265B2 (en) 2013-08-16 2016-08-23 Cree, Inc. Edge termination technique for high voltage power devices having a negative feature for an improved edge termination structure
TWI559534B (zh) * 2014-11-03 2016-11-21 Hestia Power Inc Silicon carbide field effect transistor
WO2016104264A1 (ja) * 2014-12-25 2016-06-30 富士電機株式会社 半導体装置
JP6965499B2 (ja) * 2016-03-16 2021-11-10 富士電機株式会社 炭化珪素半導体装置および炭化珪素半導体装置の製造方法
DE102016205331A1 (de) * 2016-03-31 2017-10-05 Robert Bosch Gmbh Vertikaler SiC-MOSFET
KR101836256B1 (ko) 2016-06-24 2018-03-08 현대자동차 주식회사 반도체 소자 및 그 제조 방법
JP6946824B2 (ja) 2017-07-28 2021-10-06 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
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CN116646401B (zh) * 2023-07-19 2024-01-23 成都蓉矽半导体有限公司 一种碳化硅异质结的共源共栅mosfet器件
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US20090134402A1 (en) 2009-05-28
JP2006147789A (ja) 2006-06-08
JP4604241B2 (ja) 2011-01-05
EP1814162A1 (en) 2007-08-01
CN101065847A (zh) 2007-10-31
WO2006054394A1 (ja) 2006-05-26
KR20070083844A (ko) 2007-08-24
KR101057199B1 (ko) 2011-08-16
EP1814162A4 (en) 2008-12-03

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