KR20080098425A - 전력용 반도체 장치 - Google Patents
전력용 반도체 장치 Download PDFInfo
- Publication number
- KR20080098425A KR20080098425A KR1020087022914A KR20087022914A KR20080098425A KR 20080098425 A KR20080098425 A KR 20080098425A KR 1020087022914 A KR1020087022914 A KR 1020087022914A KR 20087022914 A KR20087022914 A KR 20087022914A KR 20080098425 A KR20080098425 A KR 20080098425A
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- KR
- South Korea
- Prior art keywords
- metal layer
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- type sic
- semiconductor device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01L21/02—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
- H01L21/18—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 elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
-
- 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
-
- 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
- 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
- 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
- H10D62/80—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
- H10D64/60—Electrodes characterised by their materials
- H10D64/62—Electrodes ohmically coupled to a semiconductor
-
- 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
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- 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
-
- 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
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- 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
-
- 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
Landscapes
- Engineering & Computer Science (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)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (4)
- 표면을 갖는 반도체층과,상기 반도체층의 상기 표면의 적어도 일부에 노출하도록 상기 반도체층 내에 형성된, 소정 도전형의 반도체 영역과,상기 반도체 영역상에 형성된 제 1 절연막과,상기 반도체 영역상 또는 상기 제 1 절연막상에 형성된 전극과,상기 전극상에 형성되고, 또한, Pt, Ti, Mo, W, Ta 중 적어도 1종을 포함하는 제 1 금속층과,상기 제 1 금속층상에 형성되고, 또한, Mo, W, Cu 중 적어도 1종을 포함하는 제 2 금속층을 구비하는 전력용 반도체 장치.
- 제 1 항에 있어서,상기 제 2 금속층상에 형성되고, 또한, Pt, Mo, W 중 적어도 1종을 포함하는 제 3 금속층을 더 구비하는 전력용 반도체 장치.
- 제 1 항에 있어서,상기 반도체층의 상기 표면상 및/또는 상기 제 1 절연막의 표면상으로서 상기 전극이 형성된 영역 이외의 영역에 있어서, 형성된 제 2 절연막을 더 구비하고,상기 제 1 및 제 2 금속층은, 상기 제 2 절연막상에 연장하고 있는전력용 반도체 장치.
- 제 3 항에 있어서,상기 반도체 영역상에 형성된 상기 전극(11)과 상기 제 2 절연막이 접촉하지 않도록, 그들 사이에 상기 제 1 금속층이 존재하는 전력용 반도체 장치.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2006-00078348 | 2006-03-22 | ||
| JP2006078348 | 2006-03-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20080098425A true KR20080098425A (ko) | 2008-11-07 |
| KR101025438B1 KR101025438B1 (ko) | 2011-03-28 |
Family
ID=38522468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020087022914A Expired - Fee Related KR101025438B1 (ko) | 2006-03-22 | 2007-03-19 | 전력용 반도체 장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US8093598B2 (ko) |
| JP (2) | JP4995187B2 (ko) |
| KR (1) | KR101025438B1 (ko) |
| CN (1) | CN101395701B (ko) |
| DE (1) | DE112007000697B4 (ko) |
| WO (1) | WO2007108439A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102199957B1 (ko) | 2019-10-11 | 2021-01-07 | 김현욱 | 파이프 자동 천공장치 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5211666B2 (ja) * | 2007-12-06 | 2013-06-12 | 株式会社デンソー | 絶縁ゲートトランジスタ |
| WO2010073991A1 (ja) * | 2008-12-23 | 2010-07-01 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
| JP2014225692A (ja) * | 2008-12-25 | 2014-12-04 | ローム株式会社 | 半導体装置および半導体装置の製造方法 |
| US9472405B2 (en) * | 2011-02-02 | 2016-10-18 | Rohm Co., Ltd. | Semiconductor power device and method for producing same |
| JP5558392B2 (ja) | 2011-03-10 | 2014-07-23 | 株式会社東芝 | 半導体装置とその製造方法 |
| JP2012253108A (ja) * | 2011-06-01 | 2012-12-20 | Sumitomo Electric Ind Ltd | 炭化珪素半導体装置およびその製造方法 |
| CN103548145B (zh) * | 2011-06-23 | 2016-08-31 | 三菱电机株式会社 | 半导体装置以及半导体装置的制造方法 |
| US9257283B2 (en) * | 2012-08-06 | 2016-02-09 | General Electric Company | Device having reduced bias temperature instability (BTI) |
| JP5889171B2 (ja) * | 2012-12-04 | 2016-03-22 | 三菱電機株式会社 | 炭化珪素半導体装置及びその製造方法 |
| JP6125420B2 (ja) * | 2013-12-26 | 2017-05-10 | 株式会社豊田中央研究所 | 半導体装置 |
| WO2015115202A1 (ja) * | 2014-01-28 | 2015-08-06 | 三菱電機株式会社 | 炭化珪素半導体装置及び炭化珪素半導体装置の製造方法 |
| JP6246617B2 (ja) * | 2014-02-27 | 2017-12-13 | 株式会社豊田中央研究所 | 表面電極を備えている半導体チップ |
| DE112015001850B4 (de) * | 2014-04-16 | 2025-04-24 | Mitsubishi Electric Corporation | Halbleitereinheit |
| JP6347442B2 (ja) * | 2014-08-19 | 2018-06-27 | 国立研究開発法人産業技術総合研究所 | 炭化珪素半導体装置の製造方法 |
| JP6772495B2 (ja) * | 2016-03-16 | 2020-10-21 | 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 |
| US11869840B2 (en) | 2018-07-03 | 2024-01-09 | Infineon Technologies Ag | Silicon carbide device and method for forming a silicon carbide device |
| US11367683B2 (en) | 2018-07-03 | 2022-06-21 | Infineon Technologies Ag | Silicon carbide device and method for forming a silicon carbide device |
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| US4933743A (en) * | 1989-03-11 | 1990-06-12 | Fairchild Semiconductor Corporation | High performance interconnect system for an integrated circuit |
| JP3158704B2 (ja) * | 1992-09-08 | 2001-04-23 | 富士電機株式会社 | 絶縁ゲート電界効果トランジスタの製造方法 |
| JPH06326105A (ja) * | 1993-05-14 | 1994-11-25 | Nippon Telegr & Teleph Corp <Ntt> | 半導体装置の積層配線構造 |
| US5385855A (en) * | 1994-02-24 | 1995-01-31 | General Electric Company | Fabrication of silicon carbide integrated circuits |
| JP2757796B2 (ja) * | 1994-11-10 | 1998-05-25 | 日本電気株式会社 | 半導体集積回路装置 |
| US5510281A (en) * | 1995-03-20 | 1996-04-23 | General Electric Company | Method of fabricating a self-aligned DMOS transistor device using SiC and spacers |
| JPH0922922A (ja) | 1995-07-04 | 1997-01-21 | Mitsubishi Materials Corp | SiC上のPt電極への配線構造 |
| US5929523A (en) * | 1996-03-07 | 1999-07-27 | 3C Semiconductor Corporation | Os rectifying Schottky and ohmic junction and W/WC/TiC ohmic contacts on SiC |
| JPH1012571A (ja) * | 1996-06-26 | 1998-01-16 | Hitachi Ltd | 半導体装置 |
| US6020640A (en) * | 1996-12-19 | 2000-02-01 | Texas Instruments Incorporated | Thick plated interconnect and associated auxillary interconnect |
| JP4003296B2 (ja) * | 1998-06-22 | 2007-11-07 | 株式会社デンソー | 炭化珪素半導体装置及びその製造方法 |
| JP3361061B2 (ja) | 1998-09-17 | 2003-01-07 | 株式会社東芝 | 半導体装置 |
| US6501098B2 (en) * | 1998-11-25 | 2002-12-31 | Semiconductor Energy Laboratory Co, Ltd. | Semiconductor device |
| US6451181B1 (en) * | 1999-03-02 | 2002-09-17 | Motorola, Inc. | Method of forming a semiconductor device barrier layer |
| JP4906184B2 (ja) * | 2000-11-17 | 2012-03-28 | オンセミコンダクター・トレーディング・リミテッド | 絶縁ゲート型半導体装置の製造方法 |
| JP3539417B2 (ja) * | 2001-11-14 | 2004-07-07 | 日産自動車株式会社 | 炭化珪素半導体装置及びその製造方法 |
| JP2003318395A (ja) | 2002-04-19 | 2003-11-07 | Hitachi Ltd | 半導体装置の製造方法 |
| US7217954B2 (en) * | 2003-03-18 | 2007-05-15 | Matsushita Electric Industrial Co., Ltd. | Silicon carbide semiconductor device and method for fabricating the same |
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| JP2005310902A (ja) | 2004-04-19 | 2005-11-04 | Sumitomo Electric Ind Ltd | 半導体装置と半導体装置の製造方法 |
| JP2006024880A (ja) * | 2004-06-09 | 2006-01-26 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
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| JP4091931B2 (ja) * | 2004-07-13 | 2008-05-28 | 新電元工業株式会社 | SiC半導体装置およびSiC半導体装置の製造方法 |
| DE102004036140A1 (de) * | 2004-07-26 | 2006-03-23 | Infineon Technologies Ag | Halbleiterbauelement |
| US7348672B2 (en) * | 2005-07-07 | 2008-03-25 | Taiwan Semiconductor Manufacturing Co., Ltd. | Interconnects with improved reliability |
-
2007
- 2007-03-19 US US12/162,998 patent/US8093598B2/en active Active
- 2007-03-19 DE DE112007000697T patent/DE112007000697B4/de active Active
- 2007-03-19 JP JP2008506293A patent/JP4995187B2/ja active Active
- 2007-03-19 KR KR1020087022914A patent/KR101025438B1/ko not_active Expired - Fee Related
- 2007-03-19 CN CN2007800078432A patent/CN101395701B/zh active Active
- 2007-03-19 WO PCT/JP2007/055514 patent/WO2007108439A1/ja not_active Ceased
-
2011
- 2011-12-01 US US13/309,305 patent/US20120074508A1/en not_active Abandoned
-
2012
- 2012-03-27 JP JP2012071019A patent/JP2012151498A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102199957B1 (ko) | 2019-10-11 | 2021-01-07 | 김현욱 | 파이프 자동 천공장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007108439A1 (ja) | 2007-09-27 |
| DE112007000697T5 (de) | 2009-02-05 |
| DE112007000697B4 (de) | 2013-11-07 |
| JP2012151498A (ja) | 2012-08-09 |
| JPWO2007108439A1 (ja) | 2009-08-06 |
| JP4995187B2 (ja) | 2012-08-08 |
| CN101395701B (zh) | 2010-06-02 |
| CN101395701A (zh) | 2009-03-25 |
| US20090020766A1 (en) | 2009-01-22 |
| US8093598B2 (en) | 2012-01-10 |
| KR101025438B1 (ko) | 2011-03-28 |
| US20120074508A1 (en) | 2012-03-29 |
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