JP7282214B2 - 希土類含有SiC基板及びSiCエピタキシャル層の製法 - Google Patents

希土類含有SiC基板及びSiCエピタキシャル層の製法 Download PDF

Info

Publication number
JP7282214B2
JP7282214B2 JP2021572228A JP2021572228A JP7282214B2 JP 7282214 B2 JP7282214 B2 JP 7282214B2 JP 2021572228 A JP2021572228 A JP 2021572228A JP 2021572228 A JP2021572228 A JP 2021572228A JP 7282214 B2 JP7282214 B2 JP 7282214B2
Authority
JP
Japan
Prior art keywords
sic
layer
rare earth
concentration
single crystal
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
Application number
JP2021572228A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021149235A1 (https=
JPWO2021149235A5 (https=
Inventor
潔 松島
守道 渡邊
潤 吉川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of JPWO2021149235A1 publication Critical patent/JPWO2021149235A1/ja
Publication of JPWO2021149235A5 publication Critical patent/JPWO2021149235A5/ja
Application granted granted Critical
Publication of JP7282214B2 publication Critical patent/JP7282214B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/29Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
    • H10P14/2901Materials
    • H10P14/2902Materials being Group IVA materials
    • H10P14/2904Silicon carbide
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B25/00Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
    • C30B25/02Epitaxial-layer growth
    • C30B25/18Epitaxial-layer growth characterised by the substrate
    • C30B25/20Epitaxial-layer growth characterised by the substrate the substrate being of the same materials as the epitaxial layer
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10Inorganic compounds or compositions
    • C30B29/36Carbides
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/24Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials using chemical vapour deposition [CVD]
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/29Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
    • H10P14/2926Crystal orientations
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/34Deposited materials, e.g. layers
    • H10P14/3402Deposited materials, e.g. layers characterised by the chemical composition
    • H10P14/3404Deposited materials, e.g. layers characterised by the chemical composition being Group IVA materials
    • H10P14/3408Silicon carbide
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/34Deposited materials, e.g. layers
    • H10P14/3438Doping during depositing
    • H10P14/3441Conductivity type
    • H10P14/3446Transition metal elements; Rare earth elements
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/34Deposited materials, e.g. layers
    • H10P14/3466Crystal orientation
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/38Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by treatments done after the formation of the materials
    • H10P14/3802Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
  • Recrystallisation Techniques (AREA)
JP2021572228A 2020-01-24 2020-01-24 希土類含有SiC基板及びSiCエピタキシャル層の製法 Active JP7282214B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/002447 WO2021149235A1 (ja) 2020-01-24 2020-01-24 希土類含有SiC基板及びSiCエピタキシャル層の製法

Publications (3)

Publication Number Publication Date
JPWO2021149235A1 JPWO2021149235A1 (https=) 2021-07-29
JPWO2021149235A5 JPWO2021149235A5 (https=) 2022-09-13
JP7282214B2 true JP7282214B2 (ja) 2023-05-26

Family

ID=76993173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021572228A Active JP7282214B2 (ja) 2020-01-24 2020-01-24 希土類含有SiC基板及びSiCエピタキシャル層の製法

Country Status (4)

Country Link
US (1) US12424440B2 (https=)
JP (1) JP7282214B2 (https=)
CN (1) CN114901875B (https=)
WO (1) WO2021149235A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022168372A1 (ja) * 2021-02-05 2022-08-11 日本碍子株式会社 希土類含有SiC基板及びそれを用いたSiC複合基板
JP7104266B1 (ja) * 2021-10-12 2022-07-20 日本碍子株式会社 希土類含有SiC基板及びSiC複合基板
WO2023062850A1 (ja) * 2021-10-12 2023-04-20 日本碍子株式会社 希土類含有SiC基板及びSiC複合基板
CN120858208A (zh) * 2023-03-28 2025-10-28 日本碍子株式会社 SiC基板及SiC复合基板
WO2025083939A1 (ja) * 2023-10-17 2025-04-24 日本碍子株式会社 SiC基板及びSiC複合基板

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007277049A (ja) 2006-04-07 2007-10-25 Toyota Motor Corp SiC単結晶の製造方法
WO2014189008A1 (ja) 2013-05-20 2014-11-27 日立化成株式会社 炭化珪素単結晶及びその製造方法
JP2017008369A (ja) 2015-06-22 2017-01-12 トヨタ自動車株式会社 SiC結晶の製造方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1266253A1 (ru) * 1984-04-25 1996-10-10 Дагестанский Государственный Университет Им.В.И.Ленина СПОСОБ ПОЛУЧЕНИЯ ЭПИТАКСИАЛЬНЫХ СЛОЕВ SiC
KR100377716B1 (ko) * 1998-02-25 2003-03-26 인터내셔널 비지네스 머신즈 코포레이션 광학적 방사를 위해 희토류 원소로 도핑된 실리콘 구조체 및 방사방법
JPH11268995A (ja) * 1998-03-20 1999-10-05 Denso Corp 炭化珪素単結晶の製造方法
WO2007088718A1 (ja) * 2006-01-31 2007-08-09 Hitachi Metals, Ltd. R-Fe-B系希土類焼結磁石およびその製造方法
JP6419414B2 (ja) * 2013-03-22 2018-11-07 株式会社東芝 SiCエピタキシャルウェハおよび半導体装置
US9657409B2 (en) * 2013-05-02 2017-05-23 Melior Innovations, Inc. High purity SiOC and SiC, methods compositions and applications
JP6122704B2 (ja) 2013-06-13 2017-04-26 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
JPWO2015072136A1 (ja) * 2013-11-12 2017-03-16 新日鐵住金株式会社 SiC単結晶の製造方法
CN107075723A (zh) * 2014-09-11 2017-08-18 新日铁住金株式会社 p型SiC单晶的制造方法
JP6755524B2 (ja) * 2015-09-30 2020-09-16 国立研究開発法人産業技術総合研究所 p型4H−SiC単結晶及びp型4H−SiC単結晶の製造方法
JP6748572B2 (ja) * 2016-12-28 2020-09-02 昭和電工株式会社 p型SiCエピタキシャルウェハ及びその製造方法
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
JP6935738B2 (ja) * 2017-12-14 2021-09-15 トヨタ自動車株式会社 SiC単結晶の製造方法
JP6945858B2 (ja) * 2018-04-26 2021-10-06 国立研究開発法人産業技術総合研究所 炭化珪素エピタキシャルウェハ及び炭化珪素半導体装置
JP7024622B2 (ja) 2018-06-19 2022-02-24 株式会社デンソー 炭化珪素単結晶およびその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007277049A (ja) 2006-04-07 2007-10-25 Toyota Motor Corp SiC単結晶の製造方法
WO2014189008A1 (ja) 2013-05-20 2014-11-27 日立化成株式会社 炭化珪素単結晶及びその製造方法
JP2017008369A (ja) 2015-06-22 2017-01-12 トヨタ自動車株式会社 SiC結晶の製造方法

Also Published As

Publication number Publication date
US20220328310A1 (en) 2022-10-13
JPWO2021149235A1 (https=) 2021-07-29
US12424440B2 (en) 2025-09-23
WO2021149235A1 (ja) 2021-07-29
CN114901875A (zh) 2022-08-12
CN114901875B (zh) 2024-05-10

Similar Documents

Publication Publication Date Title
JP7282214B2 (ja) 希土類含有SiC基板及びSiCエピタキシャル層の製法
JP7628968B2 (ja) 二軸配向SiC複合基板及び半導体デバイス用複合基板
JP7538900B2 (ja) 希土類含有SiC基板及びそれを用いたSiC複合基板
US12183792B2 (en) SiC composite substrate and composite substrate for semiconductor device
US12080551B2 (en) SiC composite substrate including biaxially oreinted SiC layer and semiconductor device
US12431440B2 (en) SiC composite substrate and composite substrate for semiconductor device
WO2023062850A1 (ja) 希土類含有SiC基板及びSiC複合基板
JP7636908B2 (ja) SiC複合基板
JP7265624B2 (ja) 半導体膜
WO2023068309A1 (ja) SiC基板及びSiC複合基板
JP7104266B1 (ja) 希土類含有SiC基板及びSiC複合基板
US20260043171A1 (en) SiC SUBSTRATE AND SiC COMPOSITE SUBSTRATE
US20250126865A1 (en) Sic substrate and sic composite substrate
US20260022494A1 (en) SiC SUBSTRATE AND SiC COMPOSITE SUBSTRATE

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220531

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20221018

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230509

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230516

R150 Certificate of patent or registration of utility model

Ref document number: 7282214

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150