JP7842739B2 - 高密度かつ高引張応力の膜を堆積するためのシステム及び方法 - Google Patents
高密度かつ高引張応力の膜を堆積するためのシステム及び方法Info
- Publication number
- JP7842739B2 JP7842739B2 JP2023514394A JP2023514394A JP7842739B2 JP 7842739 B2 JP7842739 B2 JP 7842739B2 JP 2023514394 A JP2023514394 A JP 2023514394A JP 2023514394 A JP2023514394 A JP 2023514394A JP 7842739 B2 JP7842739 B2 JP 7842739B2
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- nitrogen
- sccm
- silicon nitride
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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
- C23C16/50—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 using electric discharges
- C23C16/505—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 using electric discharges using radio frequency discharges
- C23C16/509—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 using electric discharges using radio frequency discharges using internal electrodes
-
- 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
- H10P14/6336—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
-
- 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
- H10P14/6682—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 being a silane, e.g. disilane, methylsilane or chlorosilane
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Formation Of Insulating Films (AREA)
- Chemical Vapour Deposition (AREA)
Description
本出願は、参照することによってその全体が本願に援用される、2020年9月1日出願の「SYSTEMS AND METHODS FOR DEPOSITING HIGH DENSITY AND HIGH TENSILE STRESS FILMS」と題された米国特許出願第17/009,002号の利益及び優先権を主張する。
本技術は、堆積プロセス及びチャンバに関する。より詳細には、本技術は、高密度かつ高引張応力の膜を低温で製造する方法に関する。
Claims (20)
- 方法において、
ケイ素含有前駆体、窒素含有前駆体、及び二原子水素を含む複数の前駆体を半導体処理チャンバの処理領域に流すことであって、前記半導体処理チャンバの前記処理領域内に基板が収容される、流すこと、
前記ケイ素含有前駆体、前記窒素含有前駆体、及び前記二原子水素のプラズマを形成することであって、前記プラズマが15MHzを上回る周波数で形成される、形成すること、並びに
前記基板上に窒化ケイ素材料を堆積させること
を含み、
前記窒化ケイ素材料が300MPa以上の引張応力を特徴とする、方法。 - 前記窒化ケイ素材料が2.85g/cm3以上の密度を特徴とする、請求項1に記載の方法。
- 前記窒化ケイ素材料が400MPa以上の引張応力を特徴とする、請求項1に記載の方法。
- 前記窒化ケイ素材料が1.75以上の屈折率を特徴とする、請求項1に記載の方法。
- 前記窒化ケイ素材料が10%以下の水素を含む、請求項1に記載の方法。
- 100sccm以上の前記二原子水素が前記半導体処理チャンバの前記処理領域に流される、請求項1に記載の方法。
- 5000sccm以下の前記二原子水素が前記半導体処理チャンバの前記処理領域に流される、請求項6に記載の方法。
- 前記プラズマが550℃以下の温度で形成される、請求項1に記載の方法。
- 前記周波数が27MHz以上である、請求項1に記載の方法。
- 方法において、
ケイ素含有前駆体、窒素含有前駆体、及び二原子水素を含む複数の前駆体を半導体処理チャンバの処理領域に流すことであって、前記半導体処理チャンバの前記処理領域内に基板が収容される、流すこと、
前記ケイ素含有前駆体、前記窒素含有前駆体、及び前記二原子水素のプラズマを形成することであって、前記プラズマが窒素-水素結合を有するいかなる材料も含まない、形成すること、並びに
前記基板上に窒化ケイ素材料を堆積させること
を含み、
前記窒化ケイ素材料が2.85g/cm3以上の密度を特徴とし、かつ
前記窒化ケイ素材料が400MPa以上の引張応力を特徴とする、
方法。 - 前記窒化ケイ素材料が1.75以上の屈折率を特徴とする、請求項10に記載の方法。
- 前記窒化ケイ素材料が10%以下の水素を含む、請求項10に記載の方法。
- 100sccm以上の前記二原子水素が前記半導体処理チャンバの前記処理領域に流される、請求項10に記載の方法。
- 5000sccm以下の前記二原子水素が前記半導体処理チャンバの前記処理領域に流される、請求項13に記載の方法。
- 前記プラズマが550℃以下の温度で形成される、請求項10に記載の方法。
- 前記プラズマが15MHzを上回る周波数で形成される、請求項10に記載の方法。
- 前記周波数が27MHz以上である、請求項16に記載の方法。
- 方法において、
ケイ素含有前駆体、窒素含有前駆体、及び二原子水素を含む複数の前駆体を半導体処理チャンバの処理領域に流すことであって、前記半導体処理チャンバの前記処理領域内に基板が収容される、流すこと、
前記ケイ素含有前駆体、前記窒素含有前駆体、及び前記二原子水素のプラズマを形成すること、並びに
前記基板上に窒化ケイ素材料を堆積させること
を含み、
100sccm以上の前記二原子水素が前記半導体処理チャンバの前記処理領域に流され、かつ
5000sccm以下の前記二原子水素が前記半導体処理チャンバの前記処理領域に流され、
前記窒化ケイ素材料が300MPa以上の引張応力を特徴とする、方法。 - 前記窒化ケイ素材料が2.85g/cm3以上の密度を特徴とする、請求項18に記載の方法。
- 前記窒化ケイ素材料が400MPa以上の引張応力を特徴とする、請求項18に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17/009,002 US11538677B2 (en) | 2020-09-01 | 2020-09-01 | Systems and methods for depositing high density and high tensile stress films |
| US17/009,002 | 2020-09-01 | ||
| PCT/US2021/047650 WO2022051157A1 (en) | 2020-09-01 | 2021-08-26 | Systems and methods for depositing high density and high tensile stress films |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2023539678A JP2023539678A (ja) | 2023-09-15 |
| JP7842739B2 true JP7842739B2 (ja) | 2026-04-08 |
Family
ID=80356969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023514394A Active JP7842739B2 (ja) | 2020-09-01 | 2021-08-26 | 高密度かつ高引張応力の膜を堆積するためのシステム及び方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11538677B2 (ja) |
| JP (1) | JP7842739B2 (ja) |
| KR (1) | KR102821883B1 (ja) |
| CN (2) | CN121380919A (ja) |
| TW (1) | TWI847055B (ja) |
| WO (1) | WO2022051157A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20250270697A1 (en) * | 2024-02-28 | 2025-08-28 | Tokyo Electron Limited | Bottom-up directional atomic layer deposition (ald) |
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| US20080020591A1 (en) | 2005-05-26 | 2008-01-24 | Applied Materials, Inc. | Method to increase silicon nitride tensile stress using nitrogen plasma in-situ treatment and ex-situ uv cure |
| JP2014532304A (ja) | 2011-09-23 | 2014-12-04 | ノベラス・システムズ・インコーポレーテッドNovellus Systems Incorporated | プラズマ活性化されるコンフォーマル誘電体膜 |
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| US20190157077A1 (en) | 2017-11-21 | 2019-05-23 | Applied Materials, Inc. | Dry etch rate reduction of silicon nitride films |
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| WO2004009861A2 (en) | 2002-07-19 | 2004-01-29 | Asm America, Inc. | Method to form ultra high quality silicon-containing compound layers |
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-
2020
- 2020-09-01 US US17/009,002 patent/US11538677B2/en active Active
-
2021
- 2021-08-26 CN CN202511472956.6A patent/CN121380919A/zh active Pending
- 2021-08-26 JP JP2023514394A patent/JP7842739B2/ja active Active
- 2021-08-26 KR KR1020237010774A patent/KR102821883B1/ko active Active
- 2021-08-26 WO PCT/US2021/047650 patent/WO2022051157A1/en not_active Ceased
- 2021-08-26 CN CN202180070005.XA patent/CN116324022B/zh active Active
- 2021-08-31 TW TW110132240A patent/TWI847055B/zh active
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| US20080020591A1 (en) | 2005-05-26 | 2008-01-24 | Applied Materials, Inc. | Method to increase silicon nitride tensile stress using nitrogen plasma in-situ treatment and ex-situ uv cure |
| JP2014532304A (ja) | 2011-09-23 | 2014-12-04 | ノベラス・システムズ・インコーポレーテッドNovellus Systems Incorporated | プラズマ活性化されるコンフォーマル誘電体膜 |
| JP2017079327A (ja) | 2015-08-24 | 2017-04-27 | エーエスエム アイピー ホールディング ビー.ブイ. | SiN薄膜の形成 |
| US20190157077A1 (en) | 2017-11-21 | 2019-05-23 | Applied Materials, Inc. | Dry etch rate reduction of silicon nitride films |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116324022A (zh) | 2023-06-23 |
| US11538677B2 (en) | 2022-12-27 |
| KR102821883B1 (ko) | 2025-06-16 |
| KR20230058681A (ko) | 2023-05-03 |
| CN121380919A (zh) | 2026-01-23 |
| JP2023539678A (ja) | 2023-09-15 |
| CN116324022B (zh) | 2025-10-31 |
| US20220068630A1 (en) | 2022-03-03 |
| TW202225452A (zh) | 2022-07-01 |
| TWI847055B (zh) | 2024-07-01 |
| WO2022051157A1 (en) | 2022-03-10 |
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