JP7572124B2 - 成膜方法 - Google Patents
成膜方法 Download PDFInfo
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- JP7572124B2 JP7572124B2 JP2021017307A JP2021017307A JP7572124B2 JP 7572124 B2 JP7572124 B2 JP 7572124B2 JP 2021017307 A JP2021017307 A JP 2021017307A JP 2021017307 A JP2021017307 A JP 2021017307A JP 7572124 B2 JP7572124 B2 JP 7572124B2
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- silicon nitride
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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
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/66—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials
- H10P14/668—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials the materials being characterised by the deposition precursor materials
- H10P14/6681—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials the materials being characterised by the deposition precursor materials the precursor containing a compound comprising Si
- H10P14/6687—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials the materials being characterised by the deposition precursor materials the precursor containing a compound comprising Si the compound comprising silicon and nitrogen
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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
- C23C16/22—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
- C23C16/34—Nitrides
- C23C16/345—Silicon nitride
-
- 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
- C23C16/45523—Pulsed gas flow or change of composition over time
-
- 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
- C23C16/458—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 supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
- C23C16/4584—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally the substrate being rotated
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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
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- H10P14/6326—Deposition processes
- H10P14/6328—Deposition from the gas or vapour phase
- H10P14/6334—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
-
- 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
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- H10P14/6326—Deposition processes
- H10P14/6328—Deposition from the gas or vapour phase
- H10P14/6334—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H10P14/6339—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE or pulsed CVD
-
- 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
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/694—Inorganic materials composed of nitrides
- H10P14/6943—Inorganic materials composed of nitrides containing silicon
- H10P14/69433—Inorganic materials composed of nitrides containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Formation Of Insulating Films (AREA)
- Chemical Vapour Deposition (AREA)
Description
図1を参照し、実施形態の成膜方法を実施可能な処理装置の一例について説明する。図1に示されるように、処理装置1は、複数の基板に対して一度に処理を行うバッチ式の装置である。基板は、例えば半導体ウエハ(以下単に「ウエハW」という。)であってよい。
図2を参照し、実施形態の成膜方法の一例について説明する。以下では、前述の処理装置1においてシリコン窒化膜(SiN膜)を成膜する場合を例に挙げて説明する。以下の成膜方法は、制御部80が処理装置1の各部の動作を制御することにより実施される。
前述の実施形態の成膜方法により成膜したシリコン窒化膜の膜特性を評価した実施例について説明する。実施例では、TSAの供給とN2の供給とを交互に繰り返すことによりウエハWの表面にシリコン窒化膜を成膜し、該シリコン窒化膜の膜特性を評価した。また、比較例として、ジクロロシラン(DCS)の供給とプラズマにより活性化したアンモニア(NH3)の供給とを交互に繰り返すことによりウエハWの表面にシリコン窒化膜を成膜し、該シリコン窒化膜の膜特性を評価した。
10 処理容器
W ウエハ
Claims (3)
- 基板の表面にシリコン窒化膜を成膜する方法であって、
基板を収容した処理容器内にトリシリルアミンを含む処理ガスを間欠的に供給することにより、前記基板の表面にシリコン窒化膜を成膜する工程を有し、
前記シリコン窒化膜を成膜する工程は、前記トリシリルアミンを窒化する窒化剤を供給することなく行われ、
前記シリコン窒化膜を成膜する工程において、前記基板の温度を450℃以上に設定し、前記トリシリルアミンのSi-H結合を切断して前記トリシリルアミンから水素を脱離させながら前記シリコン窒化膜を成膜する、
成膜方法。 - 前記シリコン窒化膜を成膜する工程は、
前記処理容器内に前記トリシリルアミンを供給する工程と、
前記処理容器内に不活性ガスを供給する工程と、
を交互に行うことにより、前記処理容器内にトリシリルアミンを間欠的に供給する、
請求項1に記載の成膜方法。 - 前記不活性ガスは、窒素ガスである、
請求項2に記載の成膜方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021017307A JP7572124B2 (ja) | 2021-02-05 | 2021-02-05 | 成膜方法 |
| US17/648,438 US12237167B2 (en) | 2021-02-05 | 2022-01-20 | Deposition method |
| KR1020220011395A KR20220113268A (ko) | 2021-02-05 | 2022-01-26 | 성막 방법 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021017307A JP7572124B2 (ja) | 2021-02-05 | 2021-02-05 | 成膜方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022120422A JP2022120422A (ja) | 2022-08-18 |
| JP7572124B2 true JP7572124B2 (ja) | 2024-10-23 |
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| JP2021017307A Active JP7572124B2 (ja) | 2021-02-05 | 2021-02-05 | 成膜方法 |
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| Country | Link |
|---|---|
| US (1) | US12237167B2 (ja) |
| JP (1) | JP7572124B2 (ja) |
| KR (1) | KR20220113268A (ja) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004119629A (ja) | 2002-09-25 | 2004-04-15 | L'air Liquide Sa Pour L'etude & L'exploitation Des Procedes Georges Claude | 熱化学気相成長法によるシリコン窒化物膜またはシリコンオキシ窒化物膜の製造方法 |
| JP2006049809A (ja) | 2004-06-28 | 2006-02-16 | Tokyo Electron Ltd | 成膜方法、成膜装置及び記憶媒体 |
| JP2006179819A (ja) | 2004-12-24 | 2006-07-06 | Tokyo Electron Ltd | 成膜装置、成膜方法及び記憶媒体。 |
| JP2009500857A (ja) | 2005-07-08 | 2009-01-08 | アヴィザ テクノロジー インコーポレイテッド | シリコン含有膜の堆積方法 |
| US20160148806A1 (en) | 2014-11-24 | 2016-05-26 | Lam Research Corporation | Method of depositing ammonia free and chlorine free conformal silicon nitride film |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4279176B2 (ja) * | 2004-03-02 | 2009-06-17 | 株式会社アルバック | シリコン窒化膜の形成方法 |
| US7098150B2 (en) * | 2004-03-05 | 2006-08-29 | Air Liquide America L.P. | Method for novel deposition of high-k MSiON dielectric films |
| JP4179311B2 (ja) | 2004-07-28 | 2008-11-12 | 東京エレクトロン株式会社 | 成膜方法、成膜装置及び記憶媒体 |
-
2021
- 2021-02-05 JP JP2021017307A patent/JP7572124B2/ja active Active
-
2022
- 2022-01-20 US US17/648,438 patent/US12237167B2/en active Active
- 2022-01-26 KR KR1020220011395A patent/KR20220113268A/ko active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004119629A (ja) | 2002-09-25 | 2004-04-15 | L'air Liquide Sa Pour L'etude & L'exploitation Des Procedes Georges Claude | 熱化学気相成長法によるシリコン窒化物膜またはシリコンオキシ窒化物膜の製造方法 |
| JP2006049809A (ja) | 2004-06-28 | 2006-02-16 | Tokyo Electron Ltd | 成膜方法、成膜装置及び記憶媒体 |
| JP2006179819A (ja) | 2004-12-24 | 2006-07-06 | Tokyo Electron Ltd | 成膜装置、成膜方法及び記憶媒体。 |
| JP2009500857A (ja) | 2005-07-08 | 2009-01-08 | アヴィザ テクノロジー インコーポレイテッド | シリコン含有膜の堆積方法 |
| US20160148806A1 (en) | 2014-11-24 | 2016-05-26 | Lam Research Corporation | Method of depositing ammonia free and chlorine free conformal silicon nitride film |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2022120422A (ja) | 2022-08-18 |
| KR20220113268A (ko) | 2022-08-12 |
| US12237167B2 (en) | 2025-02-25 |
| US20220254629A1 (en) | 2022-08-11 |
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