JP6664993B2 - 成膜装置 - Google Patents
成膜装置 Download PDFInfo
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- JP6664993B2 JP6664993B2 JP2016039270A JP2016039270A JP6664993B2 JP 6664993 B2 JP6664993 B2 JP 6664993B2 JP 2016039270 A JP2016039270 A JP 2016039270A JP 2016039270 A JP2016039270 A JP 2016039270A JP 6664993 B2 JP6664993 B2 JP 6664993B2
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/32—Carbides
- C23C16/325—Silicon carbide
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45561—Gas plumbing upstream of the reaction chamber
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45519—Inert gas curtains
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45574—Nozzles for more than one gas
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45576—Coaxial inlets for each gas
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45587—Mechanical means for changing the gas flow
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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
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/14—Feed and outlet means for the gases; Modifying the flow of the reactive gases
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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
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- 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
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/04—Apparatus for manufacture or treatment
- H10P72/0451—Apparatus for manufacturing or treating in a plurality of work-stations
- H10P72/0462—Apparatus for manufacturing or treating in a plurality of work-stations characterised by the construction of the processing chambers, e.g. modular processing chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/10—Mixing gases with gases
- B01F23/19—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means
- B01F23/191—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means characterised by the construction of the controlling means
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- 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
- H10P14/34—Deposited materials, e.g. layers
- H10P14/3402—Deposited materials, e.g. layers characterised by the chemical composition
- H10P14/3404—Deposited materials, e.g. layers characterised by the chemical composition being Group IVA materials
- H10P14/3408—Silicon carbide
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- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Vapour Deposition (AREA)
Description
そこで、反応室内で混合されるように、Si原料ガスやC原料ガスをそれぞれ分離した複数の配管から反応室に供給する成膜装置が提案されている。
SiC等の高温プロセスでは配管が設けられるガス供給部も高温になるため、配管にSiCでコートされたカーボンなどの耐熱性が高い材料を用いる必要がある。しかしながら、このような二重管構造とすると、熱膨張による変形を抑えるため、ある程度のあそびを有する分離した構造としなければならない。そのため、内側パイプと外側パイプとの位置精度を維持することが困難である。そして、位置がずれることで、内側パイプと外側パイプとが互いに近接する箇所ができると、その箇所からパージガスが十分供給されず、堆積物の付着が発生するおそれが生じる。そして、各パイプの堆積物がパーティクルとして基板上に落下することで、膜質を悪化させてしまうといった問題がある。
図1は、第1の実施形態による成膜装置1の概略断面図である。図1の成膜装置1は、基板の一例であるSiC基板2上に、成膜処理の一例であるSiC膜のエピタキシャル成長を行うために用いることができる。図1に示すように、成膜装置1は、成膜室の一例であるチャンバ3と、供給部4とを備える。また、成膜装置1は、回転部51と、ガス排出部6とを備える。
次に、供給部4の具体的な構成例について説明する。
第1〜第4ガス仕切板401〜404は、チャンバ3の上壁32から下方に順次所定の間隔で配置されている。そして、第1〜第4ガス仕切板401〜404とチャンバ3の上壁32とのそれぞれの間に独立したガスの流路が設けられる。
第1内側パイプ411は、D1方向(以下、鉛直方向と記す)に延びる略円筒形状を有している。第1内側パイプ411は、第1導入路431と第1導入路431の下方D11の第2導入路432とを仕切る第1ガス仕切板401に配置されている。第1内側パイプ411は、第1導入路431と連通し、第1ガス仕切板401から第4ガス仕切板404の下方に至る。具体的には、第1内側パイプ411の上端には、円環状のフランジ411aが設けられている。また、第1内側パイプ411に対応する第1〜第4ガス仕切板401〜404には、貫通孔401a〜404aが設けられている。第1内側パイプ411は、D12方向(以下、上方と記す)から貫通孔401aの内周縁部にフランジ411aを当接させた状態で、第1ガス仕切板401から貫通孔402a〜404aを通り、第2の導入路432、第2のガス仕切板402、第3の導入路403、第3のガス仕切板403、第4の導入路434を貫通して、第4ガス仕切板404の下方に至っている。
第1内側パイプ411および第1外側パイプ421と、第2内側パイプ412および第2外側パイプ422は、D2方向(以下、水平方向と記す)に適宜間隔を設けて配置されている。
図2Aは、第1の実施形態による第1内側パイプ411の断面図であり、図2Bは、図2Aの第1内側パイプ411の下面図である。
次に、以上のように構成された第1の実施形態の成膜装置1の動作例として、SiC膜の成膜方法について説明する。
次に、第2の実施形態として、内側パイプ411、412の下端部がテーパ形状を有する実施形態について説明する。なお、第2の実施形態において、既述の実施形態に対応する構成部については同一の符号を用いて重複した説明を省略する。
次に、第3の実施形態として、内側パイプ411、412および外側パイプ421、422の双方の下端部がテーパ形状を有する実施形態について説明する。なお、第3の実施形態において、既述の実施形態に対応する構成部については同一の符号を用いて重複した説明を省略する。
次に、第4の実施形態として、三重管構造のパイプを有する実施形態について説明する。なお、第4の実施形態において、既述の実施形態に対応する構成部については同一の符号を用いて重複した説明を省略する。
2 SiC基板
3 チャンバ
32 上壁
4 供給部
401 第1ガス仕切板
402 第2ガス仕切板
403 第3ガス仕切板
404 第4ガス仕切板
411 第1内側パイプ
411b 第1ガイド部
412 第2内側パイプ
412b 第2ガイド部
421 第1外側パイプ
422 第2外側パイプ
431 第1導入路
432 第2導入路
433 第3導入路
434 第4導入路
Claims (6)
- 基板上に反応を行う反応室と、
前記反応室の上方に配置され、前記基板上に少なくとも第1ガスおよび第2ガスを供給する供給部と、を備え、
前記供給部は、
第1隔壁と、前記第1隔壁の下部に所定間隔で設けられる第2隔壁と、前記第2隔壁の下部に所定間隔で設けられる第3隔壁と、
前記第1ガスが導入される前記第1隔壁と前記第2隔壁の間に設けられる第1流路と、
前記第2ガスが導入される前記第2隔壁と前記第3隔壁との間に設けられる第2流路と、
前記第2隔壁から前記第3隔壁の下方に至り、前記第1流路と連通する第1配管と、
前記第1配管を囲むように設けられ、前記第3隔壁から前記第3隔壁の下方に至り、前記第2流路と連通する第2配管と、
前記第1配管の外周面または前記第2配管の内周面に設けられ、前記第1配管の外周面および前記第2配管の内周面の一方から他方に向かって突出した凸部と、
を備え、
前記凸部の下端は、前記第1配管および前記第2配管の下端より上方に離間して設けられる成膜装置。 - 前記凸部は、前記第1配管の外周面に設けられ、前記第2配管の内周面に向かって突出した請求項1に記載の成膜装置。
- 前記凸部は、前記第1配管の中心軸方向に伸延した形状を有する請求項1または2に記載の成膜装置。
- 前記凸部の下端は、テーパを有する請求項3に記載の成膜装置。
- 前記凸部は、前記第1配管及び前記第2配管の周方向に間隔を開けて複数設けられる請求項1から請求項4のいずれか1項に記載の成膜装置。
- 前記凸部は、フィン形状を有する請求項5に記載の成膜装置。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016039270A JP6664993B2 (ja) | 2016-03-01 | 2016-03-01 | 成膜装置 |
| KR1020187028294A KR102211543B1 (ko) | 2016-03-01 | 2017-02-27 | 성막 장치 |
| PCT/JP2017/007292 WO2017150400A1 (ja) | 2016-03-01 | 2017-02-27 | 成膜装置 |
| DE112017001127.2T DE112017001127B4 (de) | 2016-03-01 | 2017-02-27 | Filmausbildevorrichtung |
| CN201780012924.5A CN109075038B (zh) | 2016-03-01 | 2017-02-27 | 成膜装置 |
| TW106106581A TWI630282B (zh) | 2016-03-01 | 2017-03-01 | 成膜裝置 |
| US16/118,734 US10896831B2 (en) | 2016-03-01 | 2018-08-31 | Film forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016039270A JP6664993B2 (ja) | 2016-03-01 | 2016-03-01 | 成膜装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017157678A JP2017157678A (ja) | 2017-09-07 |
| JP2017157678A5 JP2017157678A5 (ja) | 2019-01-24 |
| JP6664993B2 true JP6664993B2 (ja) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016039270A Active JP6664993B2 (ja) | 2016-03-01 | 2016-03-01 | 成膜装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10896831B2 (ja) |
| JP (1) | JP6664993B2 (ja) |
| KR (1) | KR102211543B1 (ja) |
| CN (1) | CN109075038B (ja) |
| DE (1) | DE112017001127B4 (ja) |
| TW (1) | TWI630282B (ja) |
| WO (1) | WO2017150400A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2016050164A (ja) | 2014-09-02 | 2016-04-11 | 昭和電工株式会社 | SiC化学気相成長装置 |
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| US10896831B2 (en) | 2021-01-19 |
| TWI630282B (zh) | 2018-07-21 |
| JP2017157678A (ja) | 2017-09-07 |
| KR102211543B1 (ko) | 2021-02-02 |
| TW201739952A (zh) | 2017-11-16 |
| CN109075038A (zh) | 2018-12-21 |
| CN109075038B (zh) | 2023-08-15 |
| DE112017001127T5 (de) | 2018-11-15 |
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