JP7094154B2 - 成膜装置および成膜方法 - Google Patents
成膜装置および成膜方法 Download PDFInfo
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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
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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
- C23C16/50—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
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Description
図1は、実施形態に係る成膜装置の構成例を示す図である。図1において、成膜装置1は、例えばアルミニウムまたはステンレス鋼等からなる金属製の処理容器であるチャンバ10を有する。チャンバ10は保安接地されている。
つづいて、成膜装置1における成膜処理の流れについて、図5を参照しながら説明する。図5は、実施形態に係る成膜処理の流れを示すタイミングチャートである。
つづいて、成膜装置1を用いて様々な条件で成膜したTiO2膜の各種特性に関する実験結果について、図6~図10を参照しながら説明する。図6は、実施形態の各プラズマ生成条件において形成されたTiO2膜のトップ位置、サイド位置及びボトム位置におけるWER(Wet Etching Rate)を示した図である。
つづいて、高周波電圧との重畳電圧にパルス状の直流電圧(すなわち、直流パルス電圧)を適用した場合と、一定の直流電圧を適用した場合との比較について、図11及び図12を参照しながら説明する。
1 成膜装置
5 電圧印加部
6 切替部
10 チャンバ
12 サセプタ(下部電極の一例)
30 高周波電源
60,62 上部電極
76 原料ガス供給部
80 可変直流電源(直流電源の一例)
100 インピーダンス調整回路
PS 処理空間
Claims (7)
- 真空排気可能な処理容器と、
前記処理容器内で被処理基板が載置される下部電極と、
前記処理容器内で前記下部電極に対向して配置される上部電極と、
前記上部電極と前記下部電極との間の処理空間でプラズマ化する成膜原料ガスを前記処理空間に供給するガス供給部と、
高周波電源及び直流電源を有し、前記高周波電源及び前記直流電源のうち少なくとも一方から出力される電圧を前記上部電極に印加する電圧印加部と、
前記上部電極に印加される電圧を、前記高周波電源から出力される高周波電圧と、前記直流電源から出力される直流電圧と、前記高周波電圧に前記直流電圧が重畳された重畳電圧とで切り替える切替部と、
各部を制御する制御部と、
を具備し、
前記制御部は、前記成膜原料ガスを前記高周波電圧でプラズマ化することで、成膜される薄膜の膜応力をtensileにし、前記成膜原料ガスを前記重畳電圧でプラズマ化することで、成膜される薄膜の膜応力をcompressiveにする
成膜装置。 - 前記下部電極と接地との間に接続されたインピーダンス調整回路、
をさらに具備する請求項1に記載の成膜装置。 - 前記直流電源から出力される直流電圧はパルス状である、
請求項1または2に記載の成膜装置。 - 前記直流電源から出力される直流電圧は一定である、
請求項1または2に記載の成膜装置。 - 真空排気可能な処理容器と、
前記処理容器内で被処理基板が載置される下部電極と、
前記処理容器内で前記下部電極に対向して配置される上部電極と、
成膜原料ガスを前記処理容器に供給するガス供給部と、
前記上部電極に高周波電圧を印加する高周波電源と、
前記上部電極に直流電圧を印加する直流電源と、を有し、
前記処理容器内にプラズマを生成し、前記成膜原料ガスをプラズマ化して前記被処理基板の表面に成膜処理を行う成膜装置によって行われる成膜方法において、
前記成膜原料ガスを前記高周波電圧でプラズマ化することで、成膜される薄膜の膜応力をtensileにし、前記成膜原料ガスを前記高周波電圧に前記直流電圧が重畳された重畳電圧でプラズマ化することで、成膜される薄膜の膜応力をcompressiveにする
成膜方法。 - 前記直流電圧はパルス状である、
請求項5に記載の成膜方法。 - 前記直流電圧は一定である、
請求項5に記載の成膜方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018112585A JP7094154B2 (ja) | 2018-06-13 | 2018-06-13 | 成膜装置および成膜方法 |
US16/431,565 US20190385815A1 (en) | 2018-06-13 | 2019-06-04 | Film forming apparatus |
CN201910505338.5A CN110592558B (zh) | 2018-06-13 | 2019-06-12 | 成膜装置 |
KR1020190069236A KR102202347B1 (ko) | 2018-06-13 | 2019-06-12 | 성막 장치 |
KR1020200178706A KR102244353B1 (ko) | 2018-06-13 | 2020-12-18 | 성막 방법 |
US17/974,193 US12027344B2 (en) | 2018-06-13 | 2022-10-26 | Film forming apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018112585A JP7094154B2 (ja) | 2018-06-13 | 2018-06-13 | 成膜装置および成膜方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019216182A JP2019216182A (ja) | 2019-12-19 |
JP7094154B2 true JP7094154B2 (ja) | 2022-07-01 |
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JP2022542160A (ja) * | 2019-07-26 | 2022-09-29 | ジュスン エンジニアリング カンパニー リミテッド | 基板処理装置およびそのインターロック方法 |
JP2022110695A (ja) * | 2021-01-19 | 2022-07-29 | 東京エレクトロン株式会社 | プラズマ処理方法及びプラズマ処理装置 |
CN113564552A (zh) * | 2021-07-29 | 2021-10-29 | 中国科学院兰州化学物理研究所 | 一种电磁分离式镀膜装置及方法 |
JP2023055111A (ja) * | 2021-10-05 | 2023-04-17 | 東京エレクトロン株式会社 | チタン膜を形成する方法、及びチタン膜を形成する装置 |
KR20240128193A (ko) * | 2023-02-17 | 2024-08-26 | 피에스케이 주식회사 | 기판 처리 장치 및 기판 처리 방법 |
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US20230051432A1 (en) | 2023-02-16 |
KR20200144531A (ko) | 2020-12-29 |
CN110592558B (zh) | 2022-10-18 |
KR102244353B1 (ko) | 2021-04-23 |
US20190385815A1 (en) | 2019-12-19 |
JP2019216182A (ja) | 2019-12-19 |
KR102202347B1 (ko) | 2021-01-12 |
KR20190141091A (ko) | 2019-12-23 |
CN110592558A (zh) | 2019-12-20 |
US12027344B2 (en) | 2024-07-02 |
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