JP6129164B2 - 流体高電圧絶縁に関連して使用される固体媒質中への電極の封入 - Google Patents
流体高電圧絶縁に関連して使用される固体媒質中への電極の封入 Download PDFInfo
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- H01J27/02—Ion sources; Ion guns
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- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- 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
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/08—Ion sources; Ion guns
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- H—ELECTRICITY
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- 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
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- H05H1/24—Generating plasma
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- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
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- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
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- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
- H05H1/4645—Radiofrequency discharges
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- H—ELECTRICITY
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- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
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Description
Claims (23)
- プラズマを収容し、誘電材料からなる壁を有するプラズマ室であり、前記壁が内面および外面を有するプラズマ室と、
前記プラズマ室の周囲に少なくとも1回巻かれた導体と、
導電材料からなり、誘電性の固体媒質によって実質的に両側を取り囲まれたシールドであり、前記誘電性の固体媒質は、前記誘電性の固体媒質によって取り囲まれた前記シールドと流体の接触ができないように前記シールドを封入しており、前記プラズマ室と前記プラズマ室の周囲に巻かれた前記導体との間に配置されたシールドと、
プラズマを高電圧に電気的にバイアスする源電極と
を有するプラズマ源と、
前記プラズマ源からの荷電粒子を試料の表面に焦束させる1つまたは複数の集束レンズと
を備える荷電粒子ビーム・システム。 - 前記シールドが、前記プラズマ室の前記外面に配置された、請求項1に記載の荷電粒子ビーム・システム。
- 前記シールドの前記導電材料と前記プラズマ室の前記外面の間に空隙が実質的に存在しない、請求項2に記載の荷電粒子ビーム・システム。
- 前記シールドが、誘導場をプラズマ室まで通過させるための隙間を含み、前記誘電性の固体媒質が、前記導電材料の前記隙間の間の前記プラズマ室壁の前記外面と接触する、請求項2に記載の荷電粒子ビーム・システム。
- 前記誘電性の固体媒質が、エポキシ、ほうろう、ガラス・フリット、樹脂またはポリマーを含む、請求項1から4のいずれか一項に記載の荷電粒子ビーム・システム。
- 前記誘電性の固体媒質の少なくとも一部分と接触する前記流体をさらに含む、請求項1から5のいずれか一項に記載の荷電粒子ビーム・システム。
- 前記流体が、前記誘電性の固体媒質と前記プラズマ室の周囲に巻かれた前記導体との間に配置された、請求項6に記載の荷電粒子ビーム・システム。
- 前記流体が、前記プラズマ室の前記外面と前記誘電性の固体媒質の間に配置された冷却流体を含む、請求項6に記載の荷電粒子ビーム・システム。
- 前記流体が能動的に流れ出ることがない、請求項6から8のいずれか一項に記載の荷電粒子ビーム・システム。
- 前記流体が空気を含まない、請求項6に記載の荷電粒子ビーム・システム。
- 前記シールドの一部分が、
前記誘電性の固体媒質によって取り囲まれておらず、
電気接触を実施するために露出している、請求項1から10のいずれか一項に記載の荷電粒子ビーム・システム。 - 前記プラズマ室壁の前記外面と前記誘電性の固体媒質の間の空隙を埋めるために材料が提供される、請求項1から11のいずれか一項に記載の荷電粒子ビーム・システム。
- 前記壁の前記外面と前記誘電性の固体媒質の間の隙間を埋めるために提供された前記材料が、液体または塗布された後に硬化する液体を含む、請求項12に記載の荷電粒子ビーム・システム。
- 荷電粒子ビーム・システム用のプラズマ源であって、
内面および外面を有する壁を有するプラズマ室と、
前記プラズマ室に高周波エネルギーを供給する導体と、
導電性シールドであり、前記導体と前記プラズマ室の前記外面との間に配置された導電性シールドと、
前記導電性シールドと前記導体の間に配置された流体と、
前記導電性シールドの両側を実質的に取り囲んでいる誘電性の固体媒質であって、この誘電性の固体媒質によって取り囲まれた前記導電性シールドと流体の接触ができないように前記導電性シールドを封入している誘電性の固体媒質と
を備えるプラズマ源。 - 前記流体が冷却系によって冷却される、請求項14に記載のプラズマ源。
- 前記流体が水またはフッ素化合物を含む、請求項15に記載のプラズマ源。
- 前記流体が、前記プラズマ室の前記外面と前記誘電性の固体媒質との間に配置された、請求項15または16に記載のプラズマ源。
- 前記誘電性の固体媒質によって覆われている前記導電性シールドは、前記流体または空気と接触していない、請求項14−17のいずれか一項に記載のプラズマ源。
- 荷電粒子ビーム・システムのプラズマ源に高電圧絶縁をもたらす方法であって、
プラズマを収容するプラズマ室を用意すること、
前記プラズマ室の周囲に少なくとも1回巻かれた導体を用意すること、
前記プラズマ室と前記導体の間に配置された導電性シールドを用意すること、
前記導電性シールドを、誘電性の固体媒質によって取り囲まれた前記導電性シールドと流体の接触ができないように前記導電性シールドを封入している前記誘電性の固体媒質で実質的に両側を取り囲むこと、および
プラズマを高電圧に電気的にバイアスする源電極を用意すること
を含む方法。 - 前記誘電性の固体媒質の少なくとも一部分と接触する冷却流体を提供することをさらに含む、請求項19に記載の方法。
- 前記冷却流体が、前記プラズマ室と前記誘電性の固体媒質との間に配置された、請求項20に記載の方法。
- 前記冷却流体が、前記誘電性の固体媒質と前記プラズマ室の周囲に巻かれた前記導体との間に配置された、請求項21に記載の方法。
- 前記冷却流体をポンプで送り出して前記プラズマ室を冷却することをさらに含む、請求項20から22のいずれか一項に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US13/165,556 US8642974B2 (en) | 2009-12-30 | 2011-06-21 | Encapsulation of electrodes in solid media for use in conjunction with fluid high voltage isolation |
US13/165,556 | 2011-06-21 | ||
US13/437,599 | 2012-04-02 | ||
US13/437,599 US8987678B2 (en) | 2009-12-30 | 2012-04-02 | Encapsulation of electrodes in solid media |
PCT/US2012/043548 WO2012177876A2 (en) | 2011-06-21 | 2012-06-21 | Encapsulation of electrodes in solid media for use in conjunction with fluid high voltage isolation |
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JP2014523071A JP2014523071A (ja) | 2014-09-08 |
JP2014523071A5 JP2014523071A5 (ja) | 2015-09-03 |
JP6129164B2 true JP6129164B2 (ja) | 2017-05-17 |
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US (1) | US8987678B2 (ja) |
EP (1) | EP2724595B1 (ja) |
JP (1) | JP6129164B2 (ja) |
CN (1) | CN103621187B (ja) |
WO (1) | WO2012177876A2 (ja) |
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US8642974B2 (en) * | 2009-12-30 | 2014-02-04 | Fei Company | Encapsulation of electrodes in solid media for use in conjunction with fluid high voltage isolation |
IL234727B (en) * | 2013-09-20 | 2020-09-30 | Asml Netherlands Bv | A light source operated by a laser in an optical system corrected for deviations and the method of manufacturing the system as mentioned |
NL2013817C2 (en) * | 2013-11-14 | 2015-07-21 | Mapper Lithography Ip Bv | Multi-electrode electron optics. |
WO2015072086A1 (ja) * | 2013-11-18 | 2015-05-21 | キヤノンアネルバ株式会社 | 基板処理装置および方法 |
US9240308B2 (en) * | 2014-03-06 | 2016-01-19 | Applied Materials, Inc. | Hall effect enhanced capacitively coupled plasma source, an abatement system, and vacuum processing system |
US9230780B2 (en) * | 2014-03-06 | 2016-01-05 | Applied Materials, Inc. | Hall effect enhanced capacitively coupled plasma source |
WO2015145663A1 (ja) * | 2014-03-27 | 2015-10-01 | 株式会社日立国際電気 | 半導体装置の製造方法および基板処理装置 |
JP6366459B2 (ja) * | 2014-10-30 | 2018-08-01 | 株式会社片桐エンジニアリング | プラズマ処理装置 |
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JP2014523071A (ja) | 2014-09-08 |
EP2724595B1 (en) | 2018-07-25 |
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WO2012177876A3 (en) | 2013-02-28 |
US8987678B2 (en) | 2015-03-24 |
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US20120261587A1 (en) | 2012-10-18 |
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