JP2022111765A - シリコン窒化膜の形成方法及び成膜装置 - Google Patents
シリコン窒化膜の形成方法及び成膜装置 Download PDFInfo
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Abstract
Description
図1を参照し、実施形態の成膜装置の一例について説明する。成膜装置は、処理容器1、載置台2、シャワーヘッド3、排気部4、ガス供給部5、RF電力供給部8、制御部9等を有する。
図2を参照し、実施形態のシリコン窒化膜の形成方法の一例について、前述の成膜装置を用いて行う場合を説明する。本実施形態では、ウエハWとしてシリコンウエハを使用し、該シリコンウエハには凹部としてトレンチが形成されている。また、トレンチ内部及びウエハWの表面は、例えばシリコンや絶縁膜で構成され、部分的に金属や金属化合物が存在していてもよい。
・時間:0.05秒~6秒
・RF電力:10W~500W
・圧力:0.1Torr(13.3Pa)~50Torr(6.7kPa)
・時間:0.1秒~6秒
・RF電力:10W~1kW
・圧力:0.1Torr(13.3Pa)~50Torr(6.7kPa)
・時間:1秒~10秒
・RF電力:100W~3kW
・圧力:0.1Torr(13.3Pa)~50Torr(6.7kPa)
前述の実施形態のシリコン窒化膜の形成方法によりウエハWの表面に形成されたトレンチ内にシリコン窒化膜を形成したときの埋込特性を評価した実施例について説明する。
5 ガス供給部
9 制御部
Claims (16)
- 基板の表面に形成された凹部にシリコン窒化膜を形成する方法であって、
前記基板をハロゲンガス及び非ハロゲンガスを含む吸着阻害ガスから生成したプラズマに晒して吸着阻害領域を形成する工程と、
前記吸着阻害領域を除く領域にシリコン含有ガスを吸着させる工程と、
前記シリコン含有ガスが吸着した前記基板を窒素含有ガスから生成したプラズマに晒してシリコン窒化膜を形成する工程と、
を有する、シリコン窒化膜の形成方法。 - 前記吸着阻害領域を形成する工程と、前記シリコン含有ガスを吸着させる工程と、前記シリコン窒化膜を形成する工程とを含むサイクルを繰り返す、
請求項1に記載のシリコン窒化膜の形成方法。 - 前記吸着阻害領域を形成する工程は、前記基板を前記ハロゲンガスから生成したプラズマに晒し、次いで、前記非ハロゲンガスから生成したプラズマに晒すことを含む、
請求項1又は2に記載のシリコン窒化膜の形成方法。 - 前記吸着阻害領域を形成する工程は、前記基板を前記ハロゲンガスから生成したプラズマに晒し、次いで、前記非ハロゲンガスから生成したプラズマに晒し、次いで、前記ハロゲンガスから生成したプラズマに晒すことを含む、
請求項3に記載のシリコン窒化膜の形成方法。 - 前記吸着阻害領域を形成する工程は、前記基板を前記非ハロゲンガスから生成したプラズマに晒し、次いで、前記ハロゲンガスから生成したプラズマに晒すことを含む、
請求項1又は2に記載のシリコン窒化膜の形成方法。 - 前記吸着阻害領域を形成する工程は、前記基板を前記非ハロゲンガスから生成したプラズマに晒し、次いで、前記ハロゲンガスから生成したプラズマに晒し、次いで、前記非ハロゲンガスから生成したプラズマに晒すことを含む、
請求項5に記載のシリコン窒化膜の形成方法。 - 前記吸着阻害領域を形成する工程は、前記基板を前記ハロゲンガス及び前記非ハロゲンガスから生成したプラズマに晒すことを含む、
請求項1又は2に記載のシリコン窒化膜の形成方法。 - 前記吸着阻害領域を形成する工程は、前記基板を前記ハロゲンガス及び前記非ハロゲンガスから生成したプラズマに晒し、次いで、前記基板を前記ハロゲンガス及び前記非ハロゲンガスのいずれか一方から生成したプラズマに晒すことを含む、
請求項7に記載のシリコン窒化膜の形成方法。 - 前記吸着阻害領域を形成する工程は、前記基板を前記ハロゲンガス及び前記非ハロゲンガスのいずれか一方から生成したプラズマに晒し、次いで、前記基板を前記ハロゲンガス及び前記非ハロゲンガスから生成したプラズマに晒すことを含む、
請求項1又は2に記載のシリコン窒化膜の形成方法。 - 前記吸着阻害領域を形成する工程は、
前記基板を前記ハロゲンガス及び前記非ハロゲンガスから生成したプラズマに晒すことと、
前記基板を前記ハロゲンガス及び前記非ハロゲンガスのいずれか一方から生成したプラズマに晒すことと、
前記基板を前記ハロゲンガス及び前記非ハロゲンガスのうちの前記一方又は他方から生成したプラズマに晒すことと、
を含む、
請求項1又は2に記載のシリコン窒化膜の形成方法。 - 前記吸着阻害領域を形成する工程においてプラズマを生成するために供給する電力は、前記シリコン窒化膜を形成する工程においてプラズマを生成するために供給する電力よりも小さい、
請求項1乃至10のいずれか一項に記載のシリコン窒化膜の形成方法。 - 前記基板の温度を600℃以下に設定して実施する、
請求項1乃至11のいずれか一項に記載のシリコン窒化膜の形成方法。 - 前記ハロゲンガスは、塩素ガスであり、
前記非ハロゲンガスは、窒素ガスである、
請求項1乃至12のいずれか一項に記載のシリコン窒化膜の形成方法。 - 前記基板を水素ガスから生成したプラズマに晒して改質する改質工程を更に有する、
請求項1乃至13のいずれか一項に記載のシリコン窒化膜の形成方法。 - 前記改質工程は、前記吸着阻害領域を形成する工程、前記シリコン含有ガスを吸着させる工程及び前記シリコン窒化膜を形成する工程の少なくとも何れかの工程の後に実施されることを有する、
請求項14に記載のシリコン窒化膜の形成方法。 - 凹部が表面に形成された基板を収容する処理容器と、
前記処理容器内に吸着阻害ガス、シリコン含有ガス及び窒素含有ガスを供給するガス供給部と、
制御部と、
を備え、
前記吸着阻害ガスは、ハロゲンガス及び非ハロゲンガスを含み、
前記制御部は、
前記基板を前記吸着阻害ガスから生成したプラズマに晒して吸着阻害領域を形成する工程と、
前記吸着阻害領域を除く領域に前記シリコン含有ガスを吸着させる工程と、
前記シリコン含有ガスが吸着した前記基板を前記窒素含有ガスから生成したプラズマに晒してシリコン窒化膜を形成する工程と、
を実施するように前記ガス供給部を制御するよう構成される、
成膜装置。
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| JP2021007406A JP7666864B2 (ja) | 2021-01-20 | 2021-01-20 | シリコン窒化膜の形成方法及び成膜装置 |
| PCT/JP2022/000545 WO2022158332A1 (ja) | 2021-01-20 | 2022-01-11 | シリコン窒化膜の形成方法及び成膜装置 |
| US18/272,938 US20240087885A1 (en) | 2021-01-20 | 2022-01-11 | Method of forming silicon nitride film and film forming apparatus |
| KR1020237027079A KR102866894B1 (ko) | 2021-01-20 | 2022-01-11 | 실리콘 질화막의 형성 방법 및 성막 장치 |
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| WO2024195530A1 (ja) * | 2023-03-20 | 2024-09-26 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
| WO2025150294A1 (ja) * | 2024-01-09 | 2025-07-17 | 東京エレクトロン株式会社 | 基板処理方法及び基板処理装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012033874A (ja) * | 2010-06-28 | 2012-02-16 | Hitachi Kokusai Electric Inc | 半導体装置の製造方法、基板処理方法および基板処理装置 |
| JP2013093551A (ja) * | 2011-10-07 | 2013-05-16 | Hitachi Kokusai Electric Inc | 半導体装置の製造方法、基板処理方法、基板処理装置およびプログラム |
| JP2017139451A (ja) * | 2016-02-01 | 2017-08-10 | 東京エレクトロン株式会社 | 窒化膜の形成方法 |
| JP2018137369A (ja) * | 2017-02-22 | 2018-08-30 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
| JP2018186174A (ja) * | 2017-04-25 | 2018-11-22 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理装置およびプログラム |
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| KR101361673B1 (ko) * | 2011-10-07 | 2014-02-12 | 가부시키가이샤 히다치 고쿠사이 덴키 | 반도체 장치의 제조 방법, 기판 처리 방법, 기판 처리 장치 및 기록 매체 |
| SG2013083241A (en) | 2012-11-08 | 2014-06-27 | Novellus Systems Inc | Conformal film deposition for gapfill |
| JP6929209B2 (ja) * | 2017-12-04 | 2021-09-01 | 東京エレクトロン株式会社 | シリコン窒化膜の成膜方法及び成膜装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012033874A (ja) * | 2010-06-28 | 2012-02-16 | Hitachi Kokusai Electric Inc | 半導体装置の製造方法、基板処理方法および基板処理装置 |
| JP2013093551A (ja) * | 2011-10-07 | 2013-05-16 | Hitachi Kokusai Electric Inc | 半導体装置の製造方法、基板処理方法、基板処理装置およびプログラム |
| JP2017139451A (ja) * | 2016-02-01 | 2017-08-10 | 東京エレクトロン株式会社 | 窒化膜の形成方法 |
| JP2018137369A (ja) * | 2017-02-22 | 2018-08-30 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
| JP2018186174A (ja) * | 2017-04-25 | 2018-11-22 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理装置およびプログラム |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024195530A1 (ja) * | 2023-03-20 | 2024-09-26 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
| KR20250162872A (ko) | 2023-03-20 | 2025-11-19 | 도쿄엘렉트론가부시키가이샤 | 성막 방법 및 성막 장치 |
| WO2025150294A1 (ja) * | 2024-01-09 | 2025-07-17 | 東京エレクトロン株式会社 | 基板処理方法及び基板処理装置 |
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| JP7666864B2 (ja) | 2025-04-22 |
| WO2022158332A1 (ja) | 2022-07-28 |
| KR20230129518A (ko) | 2023-09-08 |
| US20240087885A1 (en) | 2024-03-14 |
| KR102866894B1 (ko) | 2025-10-14 |
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