JPWO2022190469A1 - - Google Patents
Info
- Publication number
- JPWO2022190469A1 JPWO2022190469A1 JP2023505102A JP2023505102A JPWO2022190469A1 JP WO2022190469 A1 JPWO2022190469 A1 JP WO2022190469A1 JP 2023505102 A JP2023505102 A JP 2023505102A JP 2023505102 A JP2023505102 A JP 2023505102A JP WO2022190469 A1 JPWO2022190469 A1 JP WO2022190469A1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
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- 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
-
- 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
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
- C30B33/08—Etching
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- 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
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
- H10P52/40—Chemomechanical polishing [CMP]
- H10P52/402—Chemomechanical polishing [CMP] of semiconductor materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P90/00—Preparation of wafers not covered by a single main group of this subclass, e.g. wafer reinforcement
- H10P90/12—Preparing bulk and homogeneous wafers
- H10P90/129—Preparing bulk and homogeneous wafers by polishing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021039845 | 2021-03-12 | ||
| PCT/JP2021/042936 WO2022190469A1 (ja) | 2021-03-12 | 2021-11-24 | 炭化珪素基板および炭化珪素基板の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022190469A1 true JPWO2022190469A1 (https=) | 2022-09-15 |
| JPWO2022190469A5 JPWO2022190469A5 (https=) | 2023-12-07 |
Family
ID=83227777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023505102A Pending JPWO2022190469A1 (https=) | 2021-03-12 | 2021-11-24 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20240234509A9 (https=) |
| JP (1) | JPWO2022190469A1 (https=) |
| WO (1) | WO2022190469A1 (https=) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101989255B1 (ko) * | 2013-06-04 | 2019-06-13 | 쇼와 덴코 가부시키가이샤 | 에피택셜 탄화규소 웨이퍼용 탄화규소 단결정 기판의 제조 방법 |
| JP6295969B2 (ja) * | 2015-01-27 | 2018-03-20 | 日立金属株式会社 | 単結晶炭化珪素基板、単結晶炭化珪素基板の製造方法、および単結晶炭化珪素基板の検査方法 |
| JP6696499B2 (ja) * | 2015-11-24 | 2020-05-20 | 住友電気工業株式会社 | 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 |
| JP6690282B2 (ja) * | 2016-02-15 | 2020-04-28 | 住友電気工業株式会社 | 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 |
| US10526699B2 (en) * | 2017-09-08 | 2020-01-07 | Sumitomo Electric Industries, Ltd. | Silicon carbide epitaxial substrate and method for manufacturing silicon carbide semiconductor device |
-
2021
- 2021-11-24 WO PCT/JP2021/042936 patent/WO2022190469A1/ja not_active Ceased
- 2021-11-24 JP JP2023505102A patent/JPWO2022190469A1/ja active Pending
- 2021-11-24 US US18/278,421 patent/US20240234509A9/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20240234509A9 (en) | 2024-07-11 |
| US20240136403A1 (en) | 2024-04-25 |
| WO2022190469A1 (ja) | 2022-09-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230816 |