JP2013182966A - プラズマ処理装置及びプラズマ処理方法 - Google Patents
プラズマ処理装置及びプラズマ処理方法 Download PDFInfo
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Abstract
【解決手段】減圧可能な真空容器内部に配置され内部の空間に配置された処理対象の試料を処理するためのプラズマが当該空間内に形成される処理室と、この処理室内にプラズマ生成用のガスを供給する手段と、前記処理室内を排気するための真空排気手段と、該真空容器の外部に設置された螺旋状の共振コイルとその外側に配置され電気的に接地されたシールドからなる螺旋状共振装置と、前記共振コイルに所定範囲の高周波電力を供給する可変周波数の高周波電源とを備えたプラズマ処理装置であって、前記共振コイルの電気的長さが前記所定周波数における1波長の整数倍に設定されており、前記した高周波電源の周波数を、高周波の反射電力が最小となるように調節できる周波数整合器とを有し、前記した螺旋状の共振コイルの給電点を可変容量素子を用いて接地電位に接続した。
【選択図】 図1
Description
本発明の実施例を図面を参照して以下説明する。
2 上蓋
3 処理室
4 ウエハステージ
5 ウエハ
6 整流手段
7 螺旋形アンテナ
8 シールド
10 上部接地点
11 下部接地点
12 給電点
13 可変周波数電源
14 一自由度の整合器
21 ガス供給系
22 可変コンダクタンスバルブ
23 真空ポンプ
31 可変容量素子
32 固定インダクタンス素子
33 可変容量素子制御部
41 Pf・Prモニタ
42 演算部
43 高周波発振部
44 高周波増幅部
45 同軸ケーブル
46 信号線
Claims (4)
- 減圧可能な真空容器と、この真空容器内部に配置され内部の空間に配置された処理対象の試料を処理するためのプラズマが当該空間内に形成される処理室と、この処理室内にプラズマ生成用のガスを供給する手段と、前記処理室内を排気するための真空排気手段と、該真空容器の外部に設置された螺旋状の共振コイルとその外側に配置され電気的に接地されたシールドからなる螺旋状共振装置と、前記共振コイルに所定範囲の高周波電力を供給する可変周波数の高周波電源とを備えたプラズマ処理装置であって、前記共振コイルの電気的長さが前記所定周波数における1波長の整数倍に設定されており、前記した高周波電源の周波数を、高周波の反射電力が最小となるように調節できる周波数整合器とを有し、前記した螺旋状の共振コイルの給電点を可変容量素子を用いて接地電位に接続したプラズマ処理装置。
- 請求項1に記載のプラズマ処理装置において、可変容量素子と並列に固定インダクタンス素子を接続したプラズマ処理装置。
- 請求項1もしくは2に記載のプラズマ処理装置において、可変容量素子の容量を高周波の反射電力が最小となるように自動調節する機能を備えたプラズマ処理装置。
- 減圧可能な真空容器内部に配置された処理室内に処理対象の試料を配置し、前記処理室内にプラズマ形成用のガスを供給し、前記真空容器の外側に配置された螺旋状のコイルに所定周波数の高周波電力を供給して形成した電界を前記処理室内に電界を供給して前記ガスを用いて前記処理室内にプラズマを形成して前記試料を処理するプラズマ処理方法であって、前記螺旋状のコイルの電気的長さを前記所定周波数の1波長の整数倍に設定し、前記螺旋状のコイルに前記所定周波数の高周波電力を供給する高周波電源の可変容量素子の容量を当該高周波の反射電力が最小となるように予め設定された値に調節することを特徴としたプラズマ処理方法。
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JP2012044939A JP2013182966A (ja) | 2012-03-01 | 2012-03-01 | プラズマ処理装置及びプラズマ処理方法 |
US13/864,317 US8951385B2 (en) | 2012-03-01 | 2013-04-17 | Plasma processing apparatus and plasma processing method |
US14/603,246 US9378929B2 (en) | 2012-03-01 | 2015-01-22 | Plasma processing apparatus and plasma processing method |
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JP2012044939A JP2013182966A (ja) | 2012-03-01 | 2012-03-01 | プラズマ処理装置及びプラズマ処理方法 |
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Cited By (4)
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JP2016149324A (ja) * | 2015-02-13 | 2016-08-18 | 株式会社日立ハイテクノロジーズ | プラズマイオン源および荷電粒子ビーム装置 |
JP2016540455A (ja) * | 2013-09-30 | 2016-12-22 | エムケーエス コリア リミテッド | インピーダンスマッチング方法及びインピーダンスマッチングシステム |
JP2022139328A (ja) * | 2021-03-11 | 2022-09-26 | 東京エレクトロン株式会社 | 着火方法及びプラズマ処理装置 |
WO2024048419A1 (ja) * | 2022-09-01 | 2024-03-07 | 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 |
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JP2013182966A (ja) * | 2012-03-01 | 2013-09-12 | Hitachi High-Technologies Corp | プラズマ処理装置及びプラズマ処理方法 |
JP6257071B2 (ja) * | 2012-09-12 | 2018-01-10 | 株式会社日立国際電気 | 基板処理装置及び半導体装置の製造方法 |
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JP6623511B2 (ja) | 2014-11-05 | 2019-12-25 | 東京エレクトロン株式会社 | プラズマ処理装置 |
WO2016104292A1 (ja) * | 2014-12-25 | 2016-06-30 | 株式会社日立国際電気 | 半導体装置の製造方法、記録媒体及び基板処理装置 |
CN107430976B (zh) * | 2015-01-16 | 2019-10-11 | A·F·塞尔莫 | 共振的装置、含装置的组及操作方法和等离子体产生设备 |
US9972511B2 (en) | 2015-10-01 | 2018-05-15 | Applied Materials, Inc. | Substrate processing apparatus and methods |
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US9750123B1 (en) * | 2016-08-01 | 2017-08-29 | The Boeing Company | Customizable radio frequency (RF) for use in particle accelerator applications |
US10903046B2 (en) * | 2016-11-03 | 2021-01-26 | En2Core Technology, Inc. | Inductive coil structure and inductively coupled plasma generation system |
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US10896806B2 (en) * | 2016-11-03 | 2021-01-19 | En2Core Technology, Inc. | Inductive coil structure and inductively coupled plasma generation system |
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US8951385B2 (en) | 2015-02-10 |
US20150221477A1 (en) | 2015-08-06 |
US20130267098A1 (en) | 2013-10-10 |
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