JP2021096934A - プラズマ処理装置及びプラズマ処理方法 - Google Patents
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
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- 238000005265 energy consumption Methods 0.000 description 2
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- 150000002500 ions Chemical class 0.000 description 2
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- 239000004065 semiconductor Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- 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
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Abstract
Description
0.25≦RA=L/D≦1.0
0.25≦RA=L/D≦0.75
0.5≦RA=L/D≦0.75
なお、図4及び図5のグラフによれば、周辺部のプラズマ強度は高くなっているが、少なくとも、基板が存在する例えば直径300mm内の領域内でプラズマ強度が均一になっていれば良い(半径rは150mm以内)。すなわち、この場合、周辺部においてプラズマ強度が高くても、プラズマ処理には、大きな影響がないと考えられる。
Claims (14)
- 処理容器内へ処理ガスを吐出可能に設けられた上部電極と、
前記処理容器内において被処理体を保持可能に設けられた下部電極と、
前記上部電極の高さ位置と、前記下部電極の高さ位置と、の間の高さ位置に設けられ、前記処理容器の中心方向へ向けて開口する電磁波放射口と、
を備えるプラズマ処理装置。 - 前記上部電極の外周部の下面には、電磁波反射用の溝が形成されている、
請求項1に記載のプラズマ処理装置。 - 前記溝は、
内側内周面と、
前記内側内周面に対向する外側内周面と、
前記溝の深部に位置し前記内側内周面と前記外側内周面とを接続する底面と、
を備えている、
請求項2に記載のプラズマ処理装置。 - 前記外側内周面は、前記処理容器の側壁の内周面と面一である、
請求項3に記載のプラズマ処理装置。 - 前記溝の前記内側内周面と前記溝の下部開口端面との間には、角部が形成されており、この角部は、前記処理容器の径方向に沿った縦断面内において、丸みを有している、
請求項3又は請求項4に記載のプラズマ処理装置。 - 前記溝は、前記下部電極における被処理体配置領域の外側領域の上方に配置されている、
請求項3〜5のいずれか一項に記載のプラズマ処理装置。 - 前記溝の深さLと、前記溝の幅Dは、
0.3≦L/D≦1.0
を満たす、
請求項2〜6のいずれか一項に記載のプラズマ処理装置。 - 前記溝の深さLと、前記溝の幅Dは、
0.4≦L/D≦0.9
を満たす、
請求項2〜6のいずれか一項に記載のプラズマ処理装置。 - 前記溝の内面にガス導入口を備える、
請求項2〜8のいずれか一項に記載のプラズマ処理装置。 - 円筒形の上部誘電体と、
前記上部誘電体の下部に連続したリング形状の下部誘電体と、
を備える誘電体リングを備え、
前記電磁波放射口は、リング形状の前記下部誘電体の内側面から構成される、
請求項1〜9のいずれか一項に記載のプラズマ処理装置。 - 前記誘電体リングの前記下部誘電体の径方向の幅から、前記上部誘電体の径方向の幅を減じた寸法は、5mm〜30mmである、
請求項10に記載のプラズマ処理装置。 - 前記誘電体リングの前記下部誘電体の外側面と、下面との間には、角部が形成されており、この角部は、前記処理容器の径方向に沿った縦断面内において、丸みを有している、
請求項10又は請求項11に記載のプラズマ処理装置。 - 前記上部電極の下面と前記誘電体リングの前記下部誘電体の上面とは、同一高さである、請求項10〜12のいずれか一項に記載のプラズマ処理装置。
- 請求項1〜13のいずれか一項に記載のプラズマ処理装置内の前記下部電極上に、前記被処理体を配置する工程と、
前記上部電極から前記処理ガスを前記処理容器の内部に供給する工程と、
前記電磁波放射口から前記処理容器の内部に電磁波を導入する工程と、
を備えたプラズマ処理方法。
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JP2019226625A JP7336378B2 (ja) | 2019-12-16 | 2019-12-16 | プラズマ処理装置及びプラズマ処理方法 |
PCT/JP2020/044903 WO2021124898A1 (ja) | 2019-12-16 | 2020-12-02 | プラズマ処理装置及びプラズマ処理方法 |
US17/756,980 US20230005722A1 (en) | 2019-12-16 | 2020-12-02 | Plasma processing apparatus and plasma processing method |
KR1020227022996A KR20220110812A (ko) | 2019-12-16 | 2020-12-02 | 플라스마 처리 장치 및 플라스마 처리 방법 |
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WO2023248781A1 (ja) * | 2022-06-20 | 2023-12-28 | 東京エレクトロン株式会社 | プラズマ処理装置 |
KR20240028934A (ko) | 2022-08-25 | 2024-03-05 | 도쿄엘렉트론가부시키가이샤 | 플라스마 처리 장치 |
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US20230011938A1 (en) * | 2021-07-09 | 2023-01-12 | Applied Materials, Inc. | Shaped showerhead for edge plasma modulation |
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JPH11243000A (ja) * | 1998-11-11 | 1999-09-07 | Canon Inc | マイクロ波導入方法及びプラズマ処理方法 |
JP2006324551A (ja) * | 2005-05-20 | 2006-11-30 | Shibaura Mechatronics Corp | プラズマ発生装置及びプラズマ処理装置 |
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TW469534B (en) * | 1999-02-23 | 2001-12-21 | Matsushita Electric Ind Co Ltd | Plasma processing method and apparatus |
TW516113B (en) * | 1999-04-14 | 2003-01-01 | Hitachi Ltd | Plasma processing device and plasma processing method |
JP4454718B2 (ja) | 1999-05-07 | 2010-04-21 | 東京エレクトロン株式会社 | プラズマ処理装置およびそれに用いられる電極 |
JP4541379B2 (ja) | 2007-04-19 | 2010-09-08 | キヤノンアネルバ株式会社 | 酸化シリコンエッチング方法及び酸化シリコンエッチング装置 |
JP5835985B2 (ja) * | 2010-09-16 | 2015-12-24 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
JP2016086099A (ja) * | 2014-10-27 | 2016-05-19 | 東京エレクトロン株式会社 | プラズマ処理装置 |
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JPH09283300A (ja) * | 1996-04-18 | 1997-10-31 | Sony Corp | プラズマ処理装置 |
JPH11243000A (ja) * | 1998-11-11 | 1999-09-07 | Canon Inc | マイクロ波導入方法及びプラズマ処理方法 |
JP2006324551A (ja) * | 2005-05-20 | 2006-11-30 | Shibaura Mechatronics Corp | プラズマ発生装置及びプラズマ処理装置 |
WO2018101065A1 (ja) * | 2016-11-30 | 2018-06-07 | 東京エレクトロン株式会社 | プラズマ処理装置 |
JP2019106358A (ja) * | 2017-12-14 | 2019-06-27 | 東京エレクトロン株式会社 | マイクロ波プラズマ処理装置 |
Cited By (2)
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WO2023248781A1 (ja) * | 2022-06-20 | 2023-12-28 | 東京エレクトロン株式会社 | プラズマ処理装置 |
KR20240028934A (ko) | 2022-08-25 | 2024-03-05 | 도쿄엘렉트론가부시키가이샤 | 플라스마 처리 장치 |
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