CN112522781B - 碳化硅衬底上的缓冲层及其形成方法 - Google Patents
碳化硅衬底上的缓冲层及其形成方法 Download PDFInfo
- Publication number
- CN112522781B CN112522781B CN202110186694.2A CN202110186694A CN112522781B CN 112522781 B CN112522781 B CN 112522781B CN 202110186694 A CN202110186694 A CN 202110186694A CN 112522781 B CN112522781 B CN 112522781B
- Authority
- CN
- China
- Prior art keywords
- silicon carbide
- thin film
- film layer
- ions
- buffer layer
- 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.)
- Active
Links
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 242
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 239
- 239000000758 substrate Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000010409 thin film Substances 0.000 claims abstract description 123
- 150000002500 ions Chemical class 0.000 claims abstract description 92
- 239000007789 gas Substances 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 24
- 239000010408 film Substances 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- -1 nitrogen ions Chemical class 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000004381 surface treatment Methods 0.000 claims description 9
- 239000002019 doping agent Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 26
- 230000000903 blocking effect Effects 0.000 abstract description 12
- 230000001902 propagating effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 194
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910015900 BF3 Inorganic materials 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02378—Silicon carbide
-
- 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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
- H01L21/2003—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy characterised by the substrate
-
- 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
- C30B25/16—Controlling or regulating
-
- 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
- C30B25/183—Epitaxial-layer growth characterised by the substrate being provided with a buffer layer, e.g. a lattice matching 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
- 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
- C30B25/186—Epitaxial-layer growth characterised by the substrate being specially pre-treated by, e.g. chemical or physical means
-
- 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
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02441—Group 14 semiconducting materials
- H01L21/02447—Silicon carbide
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02494—Structure
- H01L21/02496—Layer structure
- H01L21/02505—Layer structure consisting of more than two layers
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02529—Silicon carbide
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02658—Pretreatments
-
- 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
-
- 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
-
- 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
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/0257—Doping during depositing
- H01L21/02573—Conductivity type
- H01L21/02576—N-type
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/0257—Doping during depositing
- H01L21/02573—Conductivity type
- H01L21/02579—P-type
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Chemical Vapour Deposition (AREA)
- Recrystallisation Techniques (AREA)
Abstract
Description
Claims (11)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110186694.2A CN112522781B (zh) | 2021-02-18 | 2021-02-18 | 碳化硅衬底上的缓冲层及其形成方法 |
JP2022552808A JP7499343B2 (ja) | 2021-02-18 | 2022-02-10 | 炭化珪素基板上のバッファ層及びバッファ層の形成方法 |
PCT/CN2022/075930 WO2022174753A1 (zh) | 2021-02-18 | 2022-02-10 | 碳化硅衬底上的缓冲层及其形成方法 |
US17/911,597 US20230118623A1 (en) | 2021-02-18 | 2022-02-10 | Buffer layer on silicon carbide substrate, and method for forming buffer layer |
EP22755526.5A EP4098783B1 (en) | 2021-02-18 | 2022-02-10 | Buffer layer on silicon carbide substrate, and method for forming buffer layer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110186694.2A CN112522781B (zh) | 2021-02-18 | 2021-02-18 | 碳化硅衬底上的缓冲层及其形成方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112522781A CN112522781A (zh) | 2021-03-19 |
CN112522781B true CN112522781B (zh) | 2021-04-23 |
Family
ID=74975690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110186694.2A Active CN112522781B (zh) | 2021-02-18 | 2021-02-18 | 碳化硅衬底上的缓冲层及其形成方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230118623A1 (zh) |
EP (1) | EP4098783B1 (zh) |
JP (1) | JP7499343B2 (zh) |
CN (1) | CN112522781B (zh) |
WO (1) | WO2022174753A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112522781B (zh) * | 2021-02-18 | 2021-04-23 | 中芯集成电路制造(绍兴)有限公司 | 碳化硅衬底上的缓冲层及其形成方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1628370A (zh) * | 2002-02-08 | 2005-06-15 | 克里公司 | 处理碳化硅衬底改善外延沉积的方法与形成的结构和器件 |
JP2012074513A (ja) * | 2010-09-28 | 2012-04-12 | Central Res Inst Of Electric Power Ind | 炭化珪素半導体素子の製造方法及び電子デバイスの製造方法 |
CN106711031A (zh) * | 2016-12-15 | 2017-05-24 | 中国电子科技集团公司第五十五研究所 | 降低基平面位错对碳化硅外延层影响的方法 |
CN107068539A (zh) * | 2016-12-15 | 2017-08-18 | 中国电子科技集团公司第五十五研究所 | 降低碳化硅外延基平面位错密度的方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3811624B2 (ja) * | 2001-04-27 | 2006-08-23 | 松下電器産業株式会社 | 半導体装置 |
US7919791B2 (en) * | 2002-03-25 | 2011-04-05 | Cree, Inc. | Doped group III-V nitride materials, and microelectronic devices and device precursor structures comprising same |
JP4874527B2 (ja) * | 2004-04-01 | 2012-02-15 | トヨタ自動車株式会社 | 炭化珪素半導体基板及びその製造方法 |
US7391058B2 (en) * | 2005-06-27 | 2008-06-24 | General Electric Company | Semiconductor devices and methods of making same |
JP4937685B2 (ja) * | 2006-09-21 | 2012-05-23 | 新日本製鐵株式会社 | エピタキシャル炭化珪素単結晶基板及びその製造方法 |
KR101375494B1 (ko) * | 2010-01-08 | 2014-03-17 | 미쓰비시덴키 가부시키가이샤 | 에피택셜 웨이퍼 및 반도체 소자 |
DE112011102787B4 (de) * | 2010-08-24 | 2022-02-10 | Mitsubishi Electric Corp. | Epitaxialwafer und Halbleitereinrichtung |
JP5637086B2 (ja) * | 2011-07-07 | 2014-12-10 | 三菱電機株式会社 | エピタキシャルウエハ及び半導体素子 |
CN112522781B (zh) * | 2021-02-18 | 2021-04-23 | 中芯集成电路制造(绍兴)有限公司 | 碳化硅衬底上的缓冲层及其形成方法 |
-
2021
- 2021-02-18 CN CN202110186694.2A patent/CN112522781B/zh active Active
-
2022
- 2022-02-10 WO PCT/CN2022/075930 patent/WO2022174753A1/zh unknown
- 2022-02-10 EP EP22755526.5A patent/EP4098783B1/en active Active
- 2022-02-10 JP JP2022552808A patent/JP7499343B2/ja active Active
- 2022-02-10 US US17/911,597 patent/US20230118623A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1628370A (zh) * | 2002-02-08 | 2005-06-15 | 克里公司 | 处理碳化硅衬底改善外延沉积的方法与形成的结构和器件 |
JP2012074513A (ja) * | 2010-09-28 | 2012-04-12 | Central Res Inst Of Electric Power Ind | 炭化珪素半導体素子の製造方法及び電子デバイスの製造方法 |
CN106711031A (zh) * | 2016-12-15 | 2017-05-24 | 中国电子科技集团公司第五十五研究所 | 降低基平面位错对碳化硅外延层影响的方法 |
CN107068539A (zh) * | 2016-12-15 | 2017-08-18 | 中国电子科技集团公司第五十五研究所 | 降低碳化硅外延基平面位错密度的方法 |
Also Published As
Publication number | Publication date |
---|---|
EP4098783A1 (en) | 2022-12-07 |
JP2023520838A (ja) | 2023-05-22 |
JP7499343B2 (ja) | 2024-06-13 |
US20230118623A1 (en) | 2023-04-20 |
CN112522781A (zh) | 2021-03-19 |
EP4098783B1 (en) | 2024-04-03 |
EP4098783A4 (en) | 2023-08-16 |
WO2022174753A1 (zh) | 2022-08-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8203150B2 (en) | Silicon carbide semiconductor substrate and method of manufacturing the same | |
US8324631B2 (en) | Silicon carbide semiconductor device and method for manufacturing the same | |
US20090085044A1 (en) | Silicon carbide semiconductor substrate and silicon carbide semiconductor device by using thereof | |
JP4224253B2 (ja) | 半導体装置及びその製造方法 | |
JP4463448B2 (ja) | SiC基板及びSiC半導体素子の製造方法 | |
US20160254391A1 (en) | N-type aluminum nitride single-crystal substrate and vertical nitride semiconductor device | |
US20080318359A1 (en) | Method of manufacturing silicon carbide semiconductor substrate | |
JP5637086B2 (ja) | エピタキシャルウエハ及び半導体素子 | |
US9941361B2 (en) | Method for fabricating semiconductor substrate, semiconductor substrate, and semiconductor device | |
WO2007116517A1 (ja) | 化合物半導体構造とその製造方法 | |
KR20170122267A (ko) | 화합물 반도체 기판 | |
WO2017138247A1 (ja) | 炭化珪素エピタキシャル基板および炭化珪素半導体装置の製造方法 | |
US9873954B2 (en) | Epitaxial wafer and method for fabricating the same | |
CN103311279A (zh) | 半导体装置及用于制造半导体装置的方法 | |
EP2728610A1 (en) | Epitaxial wafer, method for fabricating the wafer, and semiconductor device including the wafer | |
US10858758B2 (en) | Manufacturing method for silicon carbide epitaxial wafer and manufacturing method for silicon carbide semiconductor device | |
US11094539B2 (en) | Method for manufacturing nitride semiconductor substrate and nitride semiconductor substrate | |
CN112522781B (zh) | 碳化硅衬底上的缓冲层及其形成方法 | |
KR102098297B1 (ko) | 에피택셜 웨이퍼 | |
CN112335057A (zh) | 碳化硅外延衬底及碳化硅半导体器件 | |
KR102565964B1 (ko) | 에피택셜 웨이퍼 및 그 제조 방법 | |
CN113913931A (zh) | 一种具有p型缓冲层的外延结构及其制备方法 | |
CN113913930A (zh) | 一种具有n型缓冲层的外延结构及其制备方法 | |
KR20190026471A (ko) | 에피택셜 웨이퍼 및 그 제조 방법 | |
WO2024091413A1 (en) | Low temperature co-flow epitaxial deposition process |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 518 Shaoxing Road, Zhejiang Province Patentee after: Shaoxing SMIC integrated circuit manufacturing Co.,Ltd. Address before: 518 Shaoxing Road, Zhejiang Province Patentee before: SMIC manufacturing (Shaoxing) Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220728 Address after: 312000 No. 508, Linjiang Road, Gaobu Town, Yuecheng District, Shaoxing City, Zhejiang Province Patentee after: SMIC Yuezhou integrated circuit manufacturing (Shaoxing) Co.,Ltd. Address before: 518 Shaoxing Road, Zhejiang Province Patentee before: Shaoxing SMIC integrated circuit manufacturing Co.,Ltd. |