SE9900008L - Halvledaranordning och sätt att tillverka densamma - Google Patents
Halvledaranordning och sätt att tillverka densammaInfo
- Publication number
- SE9900008L SE9900008L SE9900008A SE9900008A SE9900008L SE 9900008 L SE9900008 L SE 9900008L SE 9900008 A SE9900008 A SE 9900008A SE 9900008 A SE9900008 A SE 9900008A SE 9900008 L SE9900008 L SE 9900008L
- Authority
- SE
- Sweden
- Prior art keywords
- oxide film
- gate oxide
- channel layer
- surface channel
- silicon nitride
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000004065 semiconductor Substances 0.000 title 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 229910052581 Si3N4 Inorganic materials 0.000 abstract 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract 2
- 239000002019 doping agent Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract 1
- 229910010271 silicon carbide Inorganic materials 0.000 abstract 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/7827—Vertical transistors
- H01L29/7828—Vertical transistors without inversion channel, e.g. vertical ACCUFETs, normally-on vertical MISFETs
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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
- H01L21/0445—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
- H01L21/048—Making electrodes
- H01L21/049—Conductor-insulator-semiconductor electrodes, e.g. MIS contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/04—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
- H01L29/045—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes by their particular orientation of crystalline planes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
- H01L29/0692—Surface layout
- H01L29/0696—Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
- H01L29/08—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 with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
- H01L29/0852—Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
- H01L29/0873—Drain regions
- H01L29/0878—Impurity concentration or distribution
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table
- H01L29/1608—Silicon carbide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66053—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide
- H01L29/66068—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/7838—Field effect transistors with field effect produced by an insulated gate without inversion channel, e.g. buried channel lateral MISFETs, normally-on lateral MISFETs, depletion-mode lateral MISFETs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41766—Source or drain electrodes for field effect devices with at least part of the source or drain electrode having contact below the semiconductor surface, e.g. the source or drain electrode formed at least partially in a groove or with inclusions of conductor inside the semiconductor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- 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
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove gate electrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Formation Of Insulating Films (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP37898 | 1998-01-05 | ||
JP13360598A JP3719326B2 (ja) | 1998-05-15 | 1998-05-15 | 炭化珪素半導体装置及びその製造方法 |
JP13884898 | 1998-05-20 | ||
JP30408998 | 1998-10-26 |
Publications (4)
Publication Number | Publication Date |
---|---|
SE9900008D0 SE9900008D0 (sv) | 1999-01-04 |
SE9900008L true SE9900008L (sv) | 1999-07-06 |
SE519692C2 SE519692C2 (sv) | 2003-04-01 |
SE519692C3 SE519692C3 (sv) | 2003-08-13 |
Family
ID=27453159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9900008A SE519692C3 (sv) | 1998-01-05 | 1999-01-04 | Halvledaranordning och sätt att tillverka densamma |
Country Status (4)
Country | Link |
---|---|
US (2) | US6165822A (sv) |
JP (1) | JPH11251592A (sv) |
DE (1) | DE19900171B4 (sv) |
SE (1) | SE519692C3 (sv) |
Families Citing this family (90)
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US6972436B2 (en) * | 1998-08-28 | 2005-12-06 | Cree, Inc. | High voltage, high temperature capacitor and interconnection structures |
US6372607B1 (en) * | 1999-06-30 | 2002-04-16 | Intel Corporation | Photodiode structure |
JP4169879B2 (ja) * | 1999-08-20 | 2008-10-22 | 新電元工業株式会社 | 高耐圧トランジスタ |
JP4091242B2 (ja) * | 1999-10-18 | 2008-05-28 | セイコーインスツル株式会社 | 縦形mosトランジスタ及びその製造方法 |
JP2001257347A (ja) * | 2000-03-10 | 2001-09-21 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
DE10023116B4 (de) * | 2000-05-11 | 2005-12-15 | Infineon Technologies Ag | Feldeffekttransistor-Struktur mit isoliertem Gate |
EP1286398B1 (en) | 2000-05-31 | 2006-10-04 | Matsushita Electric Industrial Co., Ltd. | Misfet |
US6429041B1 (en) * | 2000-07-13 | 2002-08-06 | Cree, Inc. | Methods of fabricating silicon carbide inversion channel devices without the need to utilize P-type implantation |
US6956238B2 (en) * | 2000-10-03 | 2005-10-18 | Cree, Inc. | Silicon carbide power metal-oxide semiconductor field effect transistors having a shorting channel and methods of fabricating silicon carbide metal-oxide semiconductor field effect transistors having a shorting channel |
US6767843B2 (en) | 2000-10-03 | 2004-07-27 | Cree, Inc. | Method of N2O growth of an oxide layer on a silicon carbide layer |
US7067176B2 (en) * | 2000-10-03 | 2006-06-27 | Cree, Inc. | Method of fabricating an oxide layer on a silicon carbide layer utilizing an anneal in a hydrogen environment |
US6610366B2 (en) | 2000-10-03 | 2003-08-26 | Cree, Inc. | Method of N2O annealing an oxide layer on a silicon carbide layer |
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US6548366B2 (en) * | 2001-06-20 | 2003-04-15 | Texas Instruments Incorporated | Method of two-step annealing of ultra-thin silicon dioxide layers for uniform nitrogen profile |
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 |
US6881680B2 (en) * | 2002-06-14 | 2005-04-19 | Toyo Tanso Co., Ltd. | Low nitrogen concentration carbonaceous material and manufacturing method thereof |
US20050087123A1 (en) * | 2002-06-14 | 2005-04-28 | Toyo Tanso Co., Ltd. | Low nitrogen concentration carbonaceous material and manufacturing method thereof |
US7022378B2 (en) * | 2002-08-30 | 2006-04-04 | Cree, Inc. | Nitrogen passivation of interface states in SiO2/SiC structures |
WO2004036655A1 (ja) | 2002-10-18 | 2004-04-29 | National Institute Of Advanced Industrial Science And Technology | 炭化ケイ素半導体装置及びその製造方法 |
US7538352B2 (en) * | 2002-11-25 | 2009-05-26 | National Institute Of Advanced Industrial Science And Technology | Semiconductor device and power converter, driving inverter, general-purpose inverter and high-power high-frequency communication device using same |
US7221010B2 (en) * | 2002-12-20 | 2007-05-22 | Cree, Inc. | Vertical JFET limited silicon carbide power metal-oxide semiconductor field effect transistors |
US7217954B2 (en) * | 2003-03-18 | 2007-05-15 | Matsushita Electric Industrial Co., Ltd. | Silicon carbide semiconductor device and method for fabricating the same |
US6979863B2 (en) | 2003-04-24 | 2005-12-27 | Cree, Inc. | Silicon carbide MOSFETs with integrated antiparallel junction barrier Schottky free wheeling diodes and methods of fabricating the same |
US7074643B2 (en) * | 2003-04-24 | 2006-07-11 | Cree, Inc. | Silicon carbide power devices with self-aligned source and well regions and methods of fabricating same |
JP4082295B2 (ja) * | 2003-07-11 | 2008-04-30 | トヨタ自動車株式会社 | 半導体装置 |
US7173285B2 (en) | 2004-03-18 | 2007-02-06 | Cree, Inc. | Lithographic methods to reduce stacking fault nucleation sites |
US7109521B2 (en) * | 2004-03-18 | 2006-09-19 | Cree, Inc. | Silicon carbide semiconductor structures including multiple epitaxial layers having sidewalls |
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US7615801B2 (en) * | 2005-05-18 | 2009-11-10 | Cree, Inc. | High voltage silicon carbide devices having bi-directional blocking capabilities |
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JP5033316B2 (ja) * | 2005-07-05 | 2012-09-26 | 日産自動車株式会社 | 半導体装置の製造方法 |
JP5017823B2 (ja) | 2005-09-12 | 2012-09-05 | 富士電機株式会社 | 半導体素子の製造方法 |
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JP5306193B2 (ja) * | 2006-06-29 | 2013-10-02 | クリー インコーポレイテッド | p型チャネルを含む炭化シリコンスイッチングデバイスおよびその形成方法 |
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US8710510B2 (en) | 2006-08-17 | 2014-04-29 | Cree, Inc. | High power insulated gate bipolar transistors |
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JP2670563B2 (ja) * | 1988-10-12 | 1997-10-29 | 富士通株式会社 | 半導体装置の製造方法 |
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KR0153878B1 (ko) * | 1994-06-07 | 1998-10-15 | 쿠미하시 요시유키 | 탄화규소반도체장치와 그 제조방법 |
TW286435B (sv) * | 1994-07-27 | 1996-09-21 | Siemens Ag | |
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KR100199997B1 (ko) * | 1995-09-06 | 1999-07-01 | 오카메 히로무 | 탄화규소 반도체장치 |
JP3385938B2 (ja) | 1997-03-05 | 2003-03-10 | 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 |
JP3307184B2 (ja) * | 1995-09-06 | 2002-07-24 | 株式会社デンソー | 炭化珪素半導体装置 |
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US6133587A (en) * | 1996-01-23 | 2000-10-17 | Denso Corporation | Silicon carbide semiconductor device and process for manufacturing same |
JP3471509B2 (ja) * | 1996-01-23 | 2003-12-02 | 株式会社デンソー | 炭化珪素半導体装置 |
JPH09260613A (ja) * | 1996-03-19 | 1997-10-03 | Oki Electric Ind Co Ltd | トンネル絶縁膜の膜質評価方法 |
SE9601179D0 (sv) * | 1996-03-27 | 1996-03-27 | Abb Research Ltd | A field controlled semiconductor device of SiC and a method for production thereof |
DE19809554B4 (de) * | 1997-03-05 | 2008-04-03 | Denso Corp., Kariya | Siliziumkarbidhalbleitervorrichtung |
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JPH11251592A (ja) | 1999-09-07 |
SE519692C2 (sv) | 2003-04-01 |
DE19900171B4 (de) | 2009-02-12 |
DE19900171A1 (de) | 1999-07-08 |
SE9900008D0 (sv) | 1999-01-04 |
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