WO2005017986A1 - 炭化珪素エピタキシャルウエハ、同ウエハの製造方法及び同ウエハ上に作製された半導体装置 - Google Patents
炭化珪素エピタキシャルウエハ、同ウエハの製造方法及び同ウエハ上に作製された半導体装置 Download PDFInfo
- Publication number
- WO2005017986A1 WO2005017986A1 PCT/JP2004/011894 JP2004011894W WO2005017986A1 WO 2005017986 A1 WO2005017986 A1 WO 2005017986A1 JP 2004011894 W JP2004011894 W JP 2004011894W WO 2005017986 A1 WO2005017986 A1 WO 2005017986A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silicon carbide
- epitaxial wafer
- wafer
- substrate
- wafer according
- Prior art date
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/18—Epitaxial-layer growth characterised by the substrate
- C30B25/20—Epitaxial-layer growth characterised by the substrate the substrate being of the same materials as the epitaxial layer
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/36—Carbides
-
- 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
- H10D62/40—Crystalline structures
- H10D62/405—Orientations of crystalline planes
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/931—Silicon carbide semiconductor
Definitions
- Silicon carbide epitaxial wafer Method of manufacturing the wafer, and semiconductor device fabricated on the wafer
- the present invention relates to a high-quality silicon carbide (SiC) epitaxial wafer obtained by crystal growth of silicon carbide, a method of manufacturing the same wafer, and a semiconductor device manufactured on the same wafer.
- SiC silicon carbide
- SiC has a variety of crystal structures, and therefore, in epitaxy growth of the SiC ⁇ 0001 ⁇ plane, SiC having a different crystal structure easily mixes into the epitaxially grown portions.
- the conventional epitaxial wafer fabrication technology uses a SiC substrate (off-axis) with the ⁇ 0001 ⁇ plane inclined by 3 ° to 8 ° in several directions.
- An epitaxial wafer is manufactured on the substrate by using a chemical vapor deposition method (CVD method) (see Patent Document 1).
- CVD method chemical vapor deposition method
- Patent Document 1 U.S. Pat.No. 4,912,064
- SiC has crystal defects extending in the ⁇ 0001 ⁇ direction and crystal defects extending in a direction perpendicular to the ⁇ 0001 ⁇ direction. For this reason, when an epitaxial wafer is manufactured based on the technology described in Patent Document 1, both crystal defects existing in the substrate propagate to the portion where the epitaxial growth has occurred. Is difficult to reduce. This is shown in Figure la.
- an object of the present invention is to provide a method of manufacturing a high epitaxial wafer having a flat surface while reducing crystal defects in a SiC epitaxial wafer, and to obtain a method.
- An object of the present invention is to provide a SiC epitaxial wafer and a semiconductor device manufactured on the wafer.
- the present inventor has found that the above-mentioned defects can be reduced by adjusting the off-angle of the ⁇ 0001 ⁇ surface force of the SiC substrate and controlling the growth pressure and the composition ratio of the raw material gas. Ming completed.
- a method of manufacturing an epitaxial wafer. The method for producing a silicon carbide epitaxial wafer according to the above item 6, wherein silicon carbide is epitaxially grown on the substrate having the number 5 surface.
- FIG. 1 is a diagram for explaining the occurrence of defects in a wafer and how the defects are reduced.
- FIG. 1 is a diagram showing la: off wafer and lb: zero off wafer.
- FIG. 2 is a schematic explanatory view of a growth process of the present invention.
- FIG. 3 is a diagram showing an atomic force microscope image of a cleaning surface of a SiC substrate, where 3a is a plane image and 3b is a cross-sectional image.
- FIG. 4 is a front view of an epitaxial wafer manufactured by using the present invention.
- FIG. 5 is an X-ray diffraction photograph showing an example of crystal defect reduction in an epitaxial wafer manufactured using the present invention, where 5a shows a SiC substrate and 5b shows an epitaxy wafer, respectively. You.
- Fig. 6 is an explanatory view of improving the yield of the SiC substrate of the present invention.
- the growth pressure is controlled to 250 mbar or less, and the flow rate of the source gas is controlled so that the composition ratio of C and Si of the source gas becomes 1 or less, that is, the growth pressure is controlled while using several surfaces.
- Step bunching by controlling the composition ratio of C and Si of the raw material gas to 250 mbar or less and 1 or less.Deterioration of the flatness of the growth surface due to two-dimensional nucleation is suppressed. Wafers with reduced defects can be manufactured.
- step bunching was performed by using an eight-sided force showing the surface of an epitaxial wafer that had been grown for 5 hours. The surface was roughened by two-dimensional nucleation. A flat flat surface is formed.
- Figure 5a shows, for comparison, the force that indicates the defects present in the SiC substrate. In addition to the crystal defects extending in the ⁇ 0001 ⁇ direction that appear as white dots in the SiC substrate, the linear ⁇ 0001 ⁇ direction is perpendicular to the defect. There are crystal defects extending in the straight direction.
- the linear defect existing in the SiC substrate becomes almost invisible in the epitaxial wafer, Is reduced.
- the present invention it is possible to manufacture an epitaxial wafer having high surface flatness while reducing crystal defects in the SiC epitaxial wafer.
- the present invention can improve the yield of SiC substrates.
- ingots of SiC are grown and grown in the ⁇ 0001 ⁇ direction.
- a 75 mm (3 inch) diameter ingot will have a cut-off as shown in Figure 6a.
- a pin diode on an epitaxial wafer manufactured according to the present invention it is possible to improve the long-term reliability of the present semiconductor device when a forward voltage is applied.
- a SiC pin diode fabricated on an off-substrate the presence of crystal defects extending in the direction perpendicular to the ⁇ 0001 ⁇ direction in the epitaxy wafer causes forward current to be applied for a long time when voltage is applied in the forward direction. Will decrease.
- the crystal defects extending in the direction perpendicular to the ⁇ 0001 ⁇ direction in the epitaxial wafer are reduced, so that the voltage is applied in the forward direction for a long time. Even if the forward current does not decrease and high reliability can be obtained, there is a significant effect.
- the MOS FET fabricated on the epitaxial wafer fabricated according to the present invention has an oxide film / semiconductor interface. Can be reduced.
- the channel mobility increases, and the channel resistance of the semiconductor device can be reduced.
- FIG. 2 shows a conceptual diagram of a series of growth processes of this embodiment.
- a substrate for crystal growth a 4H-SiC substrate inclined by 0.5 ° in several tens directions with several plane forces was used.
- This substrate was placed in the reaction tube of a horizontal chemical vapor deposition device (CVD device), and the pressure in the reaction tube was controlled to 250 mbar while flowing hydrogen gas through the reaction tube at 40 slm.
- CVD device horizontal chemical vapor deposition device
- FIG. 3 shows an atomic force microscope image of the surface of the cleaned SiC substrate.
- Figure 3a is a plan view, where the steps are regularly arranged. Its height is 0.7 nm in the sectional image power of FIG. 3b.
- the silane gas was introduced at 6.67 sccm and the propane gas was introduced at 1.334 sccm to control the composition ratio of C and Si in the raw material gas to 0.6.
- the propane gas was introduced at 1.334 sccm to control the composition ratio of C and Si in the raw material gas to 0.6.
- FIG. 4 shows the surface of an epitaxial wafer that has been grown for 5 hours. Step bunching by using equation (11). Flat surface with no roughness due to two-dimensional nucleation was formed.
- the linear defects existing in the SiC substrate are almost invisible in the epitaxial wafer, and the defects are reduced. Had been reduced.
- a force of 4H—SiC using 4H—SiC is also possible.
- a substrate turned off in several dozen directions is used, but the present invention can be implemented without depending on the off direction.
- the present invention it is possible to produce an epitaxial wafer having a high surface flatness while reducing crystal defects in the SiC epitaxial wafer, and almost no cut is made when cutting out the SiC substrate. No longer appear and the yield is improved.
- a forward voltage is applied for a long period of time and the forward current does not decrease, and high reliability can be obtained, there is a remarkable effect.
- MOSFETs fabricated on an epitaxial wafer have a significant effect. Since it is possible to reduce the disorder of the oxide film / semiconductor interface and increase the channel mobility, the channel resistance of the semiconductor device can be reduced, which is an excellent effect. Is extremely useful.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Chemical Vapour Deposition (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/567,729 US7635868B2 (en) | 2003-08-19 | 2004-08-19 | Silicon carbide epitaxial wafer, method for producing such wafer, and semiconductor device formed on such wafer |
| EP04771855.6A EP1657740B1 (en) | 2003-08-19 | 2004-08-19 | Silicon carbide epitaxial wafer, method for producing such wafer, and semiconductor device formed on such wafer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003295413A JP4238357B2 (ja) | 2003-08-19 | 2003-08-19 | 炭化珪素エピタキシャルウエハ、同ウエハの製造方法及び同ウエハ上に作製された半導体装置 |
| JP2003-295413 | 2003-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005017986A1 true WO2005017986A1 (ja) | 2005-02-24 |
Family
ID=34191095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/011894 Ceased WO2005017986A1 (ja) | 2003-08-19 | 2004-08-19 | 炭化珪素エピタキシャルウエハ、同ウエハの製造方法及び同ウエハ上に作製された半導体装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7635868B2 (ja) |
| EP (1) | EP1657740B1 (ja) |
| JP (1) | JP4238357B2 (ja) |
| WO (1) | WO2005017986A1 (ja) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5285202B2 (ja) * | 2004-03-26 | 2013-09-11 | 一般財団法人電力中央研究所 | バイポーラ型半導体装置およびその製造方法 |
| EP1752567B1 (en) * | 2004-05-27 | 2011-09-14 | Bridgestone Corporation | Process for producing wafer of silicon carbide single-crystal |
| JP2007182330A (ja) | 2004-08-24 | 2007-07-19 | Bridgestone Corp | 炭化ケイ素単結晶ウェハ及びその製造方法 |
| JP2007281157A (ja) * | 2006-04-06 | 2007-10-25 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
| JP2008235767A (ja) * | 2007-03-23 | 2008-10-02 | Univ Of Fukui | 半導体素子及びその製造方法 |
| US20100330325A1 (en) * | 2007-07-13 | 2010-12-30 | Nippon Mining & Metals Co., Ltd. | Sintered Silicon Wafer |
| CN101743195A (zh) * | 2007-07-13 | 2010-06-16 | 日矿金属株式会社 | 烧结硅晶片 |
| EP2385159B1 (en) * | 2007-07-26 | 2012-11-28 | Ecotron Co., Ltd. | Method for producing sic epitaxial substrate |
| JP5024886B2 (ja) * | 2008-03-27 | 2012-09-12 | トヨタ自動車株式会社 | 平坦化処理方法および結晶成長法 |
| KR101313486B1 (ko) * | 2008-07-10 | 2013-10-01 | 제이엑스 닛코 닛세키 킨조쿠 가부시키가이샤 | 하이브리드 실리콘 웨이퍼 및 그 제조 방법 |
| JP2010111540A (ja) * | 2008-11-06 | 2010-05-20 | Showa Denko Kk | 炭化珪素単結晶の結晶成長方法、種結晶及び炭化珪素単結晶 |
| JP2010184833A (ja) * | 2009-02-12 | 2010-08-26 | Denso Corp | 炭化珪素単結晶基板および炭化珪素単結晶エピタキシャルウェハ |
| WO2010131571A1 (ja) * | 2009-05-11 | 2010-11-18 | 住友電気工業株式会社 | 半導体装置 |
| CN102422425A (zh) | 2009-05-11 | 2012-04-18 | 住友电气工业株式会社 | 绝缘栅双极晶体管 |
| JP4959763B2 (ja) | 2009-08-28 | 2012-06-27 | 昭和電工株式会社 | SiCエピタキシャルウェハ及びその製造方法 |
| JP4887418B2 (ja) | 2009-12-14 | 2012-02-29 | 昭和電工株式会社 | SiCエピタキシャルウェハの製造方法 |
| CN102859654B (zh) * | 2010-05-10 | 2016-01-13 | 三菱电机株式会社 | 碳化硅外延晶片及其制造方法、外延生长用碳化硅块状衬底及其制造方法 |
| US8252422B2 (en) | 2010-07-08 | 2012-08-28 | Jx Nippon Mining & Metals Corporation | Hybrid silicon wafer and method of producing the same |
| US8647747B2 (en) | 2010-07-08 | 2014-02-11 | Jx Nippon Mining & Metals Corporation | Hybrid silicon wafer and method of producing the same |
| US9269776B2 (en) * | 2011-01-25 | 2016-02-23 | Lg Innotek Co., Ltd. | Semiconductor device and method for growing semiconductor crystal |
| JP5124690B2 (ja) * | 2012-03-19 | 2013-01-23 | 昭和電工株式会社 | SiCエピタキシャルウェハ |
| JP5384714B2 (ja) * | 2012-10-31 | 2014-01-08 | 昭和電工株式会社 | SiCエピタキシャルウェハ及びその製造方法 |
| US11721547B2 (en) * | 2013-03-14 | 2023-08-08 | Infineon Technologies Ag | Method for manufacturing a silicon carbide substrate for an electrical silicon carbide device, a silicon carbide substrate and an electrical silicon carbide device |
| JP2014189442A (ja) | 2013-03-27 | 2014-10-06 | Sumitomo Electric Ind Ltd | 炭化珪素半導体基板の製造方法 |
| JP5604577B2 (ja) * | 2013-10-01 | 2014-10-08 | 昭和電工株式会社 | SiCエピタキシャルウェハ |
| JP5958663B1 (ja) * | 2014-11-12 | 2016-08-02 | 住友電気工業株式会社 | 炭化珪素エピタキシャル基板 |
| JP6635579B2 (ja) * | 2015-08-28 | 2020-01-29 | 昭和電工株式会社 | SiCエピタキシャルウェハ |
| JP6762484B2 (ja) * | 2017-01-10 | 2020-09-30 | 昭和電工株式会社 | SiCエピタキシャルウェハ及びその製造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4912064A (en) * | 1987-10-26 | 1990-03-27 | North Carolina State University | Homoepitaxial growth of alpha-SiC thin films and semiconductor devices fabricated thereon |
| JP2003502857A (ja) * | 1999-06-24 | 2003-01-21 | アドバンスド.テクノロジー.マテリアルス.インコーポレイテッド | <1−100>方向にオフカットした基板上で成長させた炭化ケイ素エピタキシャル層 |
| JP2003137694A (ja) * | 2001-10-26 | 2003-05-14 | Nippon Steel Corp | 炭化珪素単結晶育成用種結晶と炭化珪素単結晶インゴット及びその製造方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5011549A (en) * | 1987-10-26 | 1991-04-30 | North Carolina State University | Homoepitaxial growth of Alpha-SiC thin films and semiconductor devices fabricated thereon |
| US5248385A (en) * | 1991-06-12 | 1993-09-28 | The United States Of America, As Represented By The Administrator, National Aeronautics And Space Administration | Process for the homoepitaxial growth of single-crystal silicon carbide films on silicon carbide wafers |
| CA2113336C (en) * | 1993-01-25 | 2001-10-23 | David J. Larkin | Compound semi-conductors and controlled doping thereof |
| DE19712561C1 (de) * | 1997-03-25 | 1998-04-30 | Siemens Ag | SiC-Halbleiteranordnung mit hoher Kanalbeweglichkeit |
| US6165874A (en) * | 1997-07-03 | 2000-12-26 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method for growth of crystal surfaces and growth of heteroepitaxial single crystal films thereon |
| BR9806136A (pt) * | 1997-08-27 | 1999-10-26 | Matsushita Eletric Industrtial | Substrato de carbureto de silìco e método para a produção do substrato, e dispositivo semicondutor utilizand o substrato. |
| EP1306890A2 (en) * | 2001-10-25 | 2003-05-02 | Matsushita Electric Industrial Co., Ltd. | Semiconductor substrate and device comprising SiC and method for fabricating the same |
| EP1619276B1 (en) * | 2004-07-19 | 2017-01-11 | Norstel AB | Homoepitaxial growth of SiC on low off-axis SiC wafers |
-
2003
- 2003-08-19 JP JP2003295413A patent/JP4238357B2/ja not_active Expired - Lifetime
-
2004
- 2004-08-19 EP EP04771855.6A patent/EP1657740B1/en not_active Expired - Lifetime
- 2004-08-19 WO PCT/JP2004/011894 patent/WO2005017986A1/ja not_active Ceased
- 2004-08-19 US US10/567,729 patent/US7635868B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4912064A (en) * | 1987-10-26 | 1990-03-27 | North Carolina State University | Homoepitaxial growth of alpha-SiC thin films and semiconductor devices fabricated thereon |
| JP2003502857A (ja) * | 1999-06-24 | 2003-01-21 | アドバンスド.テクノロジー.マテリアルス.インコーポレイテッド | <1−100>方向にオフカットした基板上で成長させた炭化ケイ素エピタキシャル層 |
| JP2003137694A (ja) * | 2001-10-26 | 2003-05-14 | Nippon Steel Corp | 炭化珪素単結晶育成用種結晶と炭化珪素単結晶インゴット及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7635868B2 (en) | 2009-12-22 |
| JP4238357B2 (ja) | 2009-03-18 |
| US20070001175A1 (en) | 2007-01-04 |
| EP1657740A1 (en) | 2006-05-17 |
| EP1657740A4 (en) | 2007-02-14 |
| JP2005064383A (ja) | 2005-03-10 |
| EP1657740B1 (en) | 2015-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2005017986A1 (ja) | 炭化珪素エピタキシャルウエハ、同ウエハの製造方法及び同ウエハ上に作製された半導体装置 | |
| TWI280662B (en) | Heterojunction field effect transistors using silicon-germanium and silicon-carbon alloys | |
| JP4185215B2 (ja) | SiCウエハ、SiC半導体デバイス、および、SiCウエハの製造方法 | |
| US8536582B2 (en) | Stable power devices on low-angle off-cut silicon carbide crystals | |
| CN104995718B (zh) | SiC外延晶片的制造方法 | |
| WO2001018872A1 (en) | SiC WAFER, SiC SEMICONDUCTOR DEVICE, AND PRODUCTION METHOD OF SiC WAFER | |
| US20080318359A1 (en) | Method of manufacturing silicon carbide semiconductor substrate | |
| JP2007288026A (ja) | 半導体装置とその製造方法 | |
| JP6123408B2 (ja) | 単結晶4H−SiC基板及びその製造方法 | |
| CN102341893A (zh) | 碳化硅半导体装置的制造方法 | |
| TW200917377A (en) | Stressor for engineered strain on channel | |
| EP3251147B1 (en) | Semiconductor wafer comprising a monocrystalline group-iiia nitride layer | |
| JP4442366B2 (ja) | エピタキシャルSiC膜とその製造方法およびSiC半導体デバイス | |
| WO2006115148A1 (ja) | 炭化ケイ素単結晶ウェハ及びその製造方法 | |
| JP2007131504A (ja) | SiCエピタキシャルウエーハおよびそれを用いた半導体デバイス | |
| JP3776374B2 (ja) | SiC単結晶の製造方法,並びにエピタキシャル膜付きSiCウエハの製造方法 | |
| JP4449357B2 (ja) | 電界効果トランジスタ用エピタキシャルウェハの製造方法 | |
| TW201145581A (en) | Method for manufacturing epitaxial crystal substrate | |
| CN115132565A (zh) | 一种高晶体质量AlN薄膜及其制备方法和应用 | |
| CN100533663C (zh) | 减少堆垛层错成核位置的光刻方法和具有减少的堆垛层错位置的结构 | |
| JP5954677B2 (ja) | III/VSiテンプレートの製造方法およびIII/V半導体ベースの半導体部品をモノリシック集積化する方法 | |
| JP2009218272A (ja) | 化合物半導体基板およびその製造方法 | |
| JP2002299642A (ja) | 半導体素子及びその製造方法 | |
| JP4524630B2 (ja) | Hemt用エピタキシャルウェハの製造方法 | |
| JP2004152814A (ja) | 半導体素子用基板とその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| WWE | Wipo information: entry into national phase |
Ref document number: 2004771855 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2007001175 Country of ref document: US Ref document number: 10567729 Country of ref document: US |
|
| WWP | Wipo information: published in national office |
Ref document number: 2004771855 Country of ref document: EP |
|
| WWP | Wipo information: published in national office |
Ref document number: 10567729 Country of ref document: US |