JP7069319B2 - 垂直プラズマ源からの改良されたプラズマ暴露のために成形された電極 - Google Patents
垂直プラズマ源からの改良されたプラズマ暴露のために成形された電極 Download PDFInfo
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- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
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- H—ELECTRICITY
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- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
- H01J37/32091—Radio frequency generated discharge the radio frequency energy being capacitively coupled to the plasma
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- H—ELECTRICITY
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- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32733—Means for moving the material to be treated
- H01J37/32752—Means for moving the material to be treated for moving the material across the discharge
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Description
Claims (13)
- プラズマ源アセンブリであって、
内周端面と、外周端面と、前面とを有するハウジングであって、前記ハウジングはガス入口を含み、前記ガス入口からの流路が形成され、ガスの流れが前記ハウジングを通って前記前面に設けられた開口を出ることが可能となる、ハウジングと、
前記ハウジングの内部のRFホット電極であって、前記RFホット電極は、細長い本体を有し、前記細長い本体は、内周端が前記ハウジングの前記内周端面の近傍にあり及び外周端が前記ハウジングの前記外周端面の近傍にあって、前記RFホット電極の長さが定められ、前記RFホット電極は前記細長い本体に対して或る一定の角度で延在する脚部を含む、RFホット電極と、
前記ハウジングの前記内周端面と前記外周端面との間に延在する細長い本体を有するリターン電極であって、前記リターン電極は、プラズマが形成可能な間隙を設けるために前記RFホット電極から離間している、リターン電極と、
前記RFホット電極の前記内周端から、前記RFホット電極の前記長さの約25%以下の距離を取って、前記RFホット電極に接続されたRF供給部と
を備える、プラズマ源アセンブリ。 - 前記リターン電極が前記ハウジングである、請求項1に記載のプラズマ源アセンブリ。
- 前記RF供給部は、前記RFホット電極の前記内周端から、前記RFホット電極の前記長さの約5%以下の距離を取って前記RFホット電極に接続されている、請求項1に記載のプラズマ源アセンブリ。
- 前記RFホット電極は、前記RFホット電極の前記脚部及び前記細長い本体の近傍の三角形部を含み、前記三角形部は前記間隙内へと延在する、請求項1に記載のプラズマ源アセンブリ。
- 前記RFホット電極が暴露されないように配置されたRFホット電極クラッドをさらに含む、請求項1に記載のプラズマ源アセンブリ。
- 前記リターン電極が暴露されないように配置されたリターン電極クラッドをさらに含む、請求項5に記載のプラズマ源アセンブリ。
- 前記RFホット電極と前記RFホット電極クラッドとの間にRFホット電極間隙が存在し、前記RFホット電極間隙は、前記RFホット電極と前記リターン電極との間の前記間隙の前記長さに沿って寸法が変わる、請求項6に記載のプラズマ源アセンブリ。
- 前記リターン電極と前記リターン電極クラッドとの間にリターン電極間隙が存在し、前記リターン電極間隙は、前記RFホット電極と前記リターン電極との間の前記間隙の前記長さに沿って寸法が変わる、請求項6に記載のプラズマ源アセンブリ。
- 前記RFホット電極クラッドは、前記RFホット電極と前記リターン電極との間の前記間隙の前記長さに沿って寸法が変わる、請求項6に記載のプラズマ源アセンブリ。
- 前記リターン電極クラッドは、前記RFホット電極と前記リターン電極との間の前記間隙の前記長さに沿って寸法が変わる、請求項6に記載のプラズマ源アセンブリ。
- 前記RFホット電極クラッドは、前記RFホット電極と前記リターン電極との間の前記間隙の前記長さに沿って誘電率が変わる、請求項6に記載のプラズマ源アセンブリ。
- 前記リターン電極クラッドは、前記RFホット電極と前記リターン電極との間の前記間隙の前記長さに沿って誘電率が変わる、請求項6に記載のプラズマ源アセンブリ。
- 処理チャンバであって、
前記処理チャンバの内部のサセプタアセンブリであって、前記サセプタアセンブリは、複数の基板を支持して中央軸の周りを回転させるための上面を有する、サセプタアセンブリと、
前記サセプタアセンブリの前記上面に対向する前面を有し、前記サセプタアセンブリの前記上面に向かってガスの流れを方向付けるガス分配アセンブリであって、請求項1から12のいずれか一項に記載のプラズマ源アセンブリを含むガス分配アセンブリと
を備え、
前記プラズマ源アセンブリの前記ハウジングの前記前面は、前記サセプタアセンブリの前記上面から、約1mmから約5mmの範囲内の距離を取って配置されており、前記RFホット電極の内周端で生成されるイオンフラックスが、前記RFホット電極の外周端で生成されるイオンフラックスよりも少量である、
処理チャンバ。
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PCT/US2018/065612 WO2019118808A1 (en) | 2017-12-15 | 2018-12-14 | Shaped electrodes for improved plasma exposure from vertical plasma source |
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TWI733021B (zh) * | 2017-05-15 | 2021-07-11 | 美商應用材料股份有限公司 | 電漿源組件、處理腔室與處理基板的方法 |
CN111492459B (zh) * | 2017-12-15 | 2023-07-14 | 应用材料公司 | 用于来自竖直等离子体源的改进等离子体暴露的成形电极 |
CN114664622B (zh) * | 2020-12-23 | 2024-07-05 | 中微半导体设备(上海)股份有限公司 | 一种等离子体处理装置及调节方法 |
US11705312B2 (en) | 2020-12-26 | 2023-07-18 | Applied Materials, Inc. | Vertically adjustable plasma source |
KR20230033101A (ko) | 2021-08-27 | 2023-03-08 | 삼성전자주식회사 | 플라즈마 발생 장치 |
CN117219977B (zh) * | 2023-11-09 | 2024-03-01 | 青岛天仁微纳科技有限责任公司 | 一种立式双面等离子清洗装置 |
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CN111492459B (zh) * | 2017-12-15 | 2023-07-14 | 应用材料公司 | 用于来自竖直等离子体源的改进等离子体暴露的成形电极 |
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KR102456063B1 (ko) | 2022-10-19 |
JP2021507453A (ja) | 2021-02-22 |
WO2019118808A1 (en) | 2019-06-20 |
US10763085B2 (en) | 2020-09-01 |
US20190189404A1 (en) | 2019-06-20 |
KR20200088510A (ko) | 2020-07-22 |
KR102435879B1 (ko) | 2022-08-24 |
CN111492459A (zh) | 2020-08-04 |
US11315763B2 (en) | 2022-04-26 |
KR20220120718A (ko) | 2022-08-30 |
CN111492459B (zh) | 2023-07-14 |
US20200395194A1 (en) | 2020-12-17 |
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