JP2008516427A - 超臨界流体に化学物質を注入する方法及びシステム - Google Patents
超臨界流体に化学物質を注入する方法及びシステム Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0021—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by liquid gases or supercritical fluids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67023—Apparatus for fluid treatment for general liquid treatment, e.g. etching followed by cleaning
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Drying Of Semiconductors (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Claims (16)
- 基板を処理する高圧処理システムであって:
内部に導入される、超臨界流体特性を実質的に有する高圧流体で前記基板を処理するように備えられているプロセスチャンバ;
前記プロセスチャンバに前記高圧流体を導入するように備えられている高圧流体供給システム;
前記プロセスチャンバと結合し、前記プロセスチャンバで循環ループを形成し、かつ前記プロセスチャンバを介した前記高圧流体の流れを前記基板の上で循環させるように備えられている再循環システム;及び
前記プロセスチャンバにプロセス用化学物質を導入するように備えられている注入システムを有するプロセス用化学物質供給システム;
を有し、
前記注入システムは、注入期間に前記プロセス用化学物質を導入するように備えられ、
前記注入期間は、前記高圧流体が前記循環ループを通り抜ける循環期間、又は前記循環期間の整数倍と実質的に等しい、
高圧処理システム。 - 前記再循環システム中の前記高圧流体が超臨界流体を有する、請求項1に記載の高圧処理システム。
- 前記超臨界流体が超臨界二酸化炭素(CO2)を有する、請求項2に記載の高圧処理システム。
- 前記プロセス用化学物質供給システムが、溶媒、共溶媒、サーファクタント、成膜用先駆体若しくは還元剤、又はこれらの混合物を導入するように備えられている、請求項1に記載の高圧処理システム。
- 前記プロセス用化学物質供給システムが:
混入物質、残余物、硬化した残余物、フォトレジスト、硬化したフォトレジスト、エッチング後残余物、アッシング後残余物、機械化学研磨(CMP)後残余物、研磨後残余物、若しくは埋め込み後残余物又はこれらの混合物を除去する洗浄用組成物;
微粒子を除去する洗浄用組成物;
薄膜、多孔性膜、多孔性低誘電率材料若しくは空気ギャップ誘電体、又はこれらを混合した材料を乾燥させる乾燥用組成物;
誘電性薄膜、金属薄膜若しくはこれらを混合した膜を調製する成膜用組成物;
上記の混合組成物;
を導入するように備えられている、請求項1に記載の高圧処理システム。 - 前記注入システムがパルス状注入バルブを有する、請求項1に記載の高圧処理システム。
- 前記パルス状注入バルブが、パルス周波数及びパルス負荷サイクルで動作する、請求項6に記載の高圧処理システム。
- 前記パルス周波数及び/又は前記パルス負荷サイクルを調節するように備えられている、前記注入システムと結合した制御装置をさらに有する、請求項7に記載の高圧処理システム。
- 前記注入システムが注入バルブ及びオリフィスを有し、
前記オリフィスは、前記循環期間と実質的に等しい前記注入期間を供するように設計される、
請求項1に記載の高圧処理システム。 - 前記注入システムが定量ポンプを有する、請求項1に記載の高圧処理システム。
- 高圧処理システム中での基板処理方法であって:
前記高圧処理システムで利用される高圧流体を供給する工程;
前記高圧処理システムを介して前記高圧流体を循環させる工程;及び
前記高圧流体を循環させる一方で、前記高圧流体にプロセス用化学物質を導入する工程;
を有し、
前記プロセス用化学物質を導入する注入期間は、前記高圧流体が前記高圧処理システムを1周する期間と実質的に等しい、
方法。 - 前記高圧流体を供給する前記工程が、超臨界流体を供給する工程を有する、請求項11に記載の方法。
- 前記超臨界流体を供給する前記工程が、超臨界二酸化炭素(CO2)を供給する工程を有する、請求項12に記載の方法。
- 基板を処理する高圧処理システムに、従来技術と比較して少数の粒子を導入する方法であって:
超臨界特性を実質的に有する高圧流体をプロセスチャンバに導入する第1導入工程;
前記基板上に前記流体を流すことによって前記基板を処理する工程;
前記チャンバへ、実質的に均一に加えられたプロセス用化学物質を有する前記流体をさらに導入する第2導入工程;及び
前記第2導入工程において加えられたプロセス用化学物質を有する前記流体を、前記基板上に流す工程;
を有する方法。 - 前記流体が前記循環ループを通り抜ける循環期間、又は前記循環期間の整数倍と実質的に等しい注入期間に、循環ループ内を前記流体が循環する一方で、前記流体に前記プロセス用化学物質を導入することによって、実質的に均一に加えられたプロセス用化学物質を有する前記流体を供する工程をさらに有する、請求項14に記載の方法。
- 前記流体にプロセス用化学物質を加えることによって、実質的に均一な化学物質を有する前記流体が生成される一方で、処理中において前記基板に加えられた粒子数を約100個未満に減少させるのに十分な期間、前記チャンバを介して前記流体を流す、請求項14に記載の方法。
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US10/957,417 US20060070640A1 (en) | 2004-10-01 | 2004-10-01 | Method and system for injecting chemistry into a supercritical fluid |
US10/957,417 | 2004-10-01 | ||
PCT/US2005/034761 WO2006039321A1 (en) | 2004-10-01 | 2005-09-27 | Method and system for injecting chemistry into a supercritical fluid |
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JP2008516427A true JP2008516427A (ja) | 2008-05-15 |
JP5252918B2 JP5252918B2 (ja) | 2013-07-31 |
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US (1) | US20060070640A1 (ja) |
JP (1) | JP5252918B2 (ja) |
TW (1) | TWI307728B (ja) |
WO (1) | WO2006039321A1 (ja) |
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US7582181B2 (en) * | 2004-09-30 | 2009-09-01 | Tokyo Electron Limited | Method and system for controlling a velocity field of a supercritical fluid in a processing system |
US20060130966A1 (en) * | 2004-12-20 | 2006-06-22 | Darko Babic | Method and system for flowing a supercritical fluid in a high pressure processing system |
JP2007305676A (ja) * | 2006-05-09 | 2007-11-22 | Sony Corp | 基板の処理方法及び処理装置 |
US20100102008A1 (en) * | 2008-10-27 | 2010-04-29 | Hedberg Herbert J | Backpressure regulator for supercritical fluid chromatography |
BR112020019549A2 (pt) * | 2018-03-26 | 2021-01-05 | Spectra Systems Corporation | Limpeza com fluido supercrítico de cédulas bancárias e documentos seguros utilizando ozônio |
CN109465245A (zh) * | 2018-11-29 | 2019-03-15 | 奥林汽车零部件(常熟)有限公司 | 一种精密汽车零部件清洗装置 |
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JP2002373880A (ja) * | 2001-06-13 | 2002-12-26 | Dainippon Screen Mfg Co Ltd | 高圧処理装置 |
JP2003318152A (ja) * | 2002-04-24 | 2003-11-07 | Tokyo Electron Ltd | 基板処理装置及び基板処理方法 |
JP2006506820A (ja) * | 2002-11-18 | 2006-02-23 | レシフ | 濃厚相ガスおよび音波を使用して基板を処理するための基板処理装置 |
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US5540251A (en) * | 1994-02-01 | 1996-07-30 | Mayeaux; Paul H. | Precision gas blender |
US6306564B1 (en) * | 1997-05-27 | 2001-10-23 | Tokyo Electron Limited | Removal of resist or residue from semiconductors using supercritical carbon dioxide |
US6276347B1 (en) * | 1998-09-25 | 2001-08-21 | Micro Coating Technologies, Inc. | Systems and methods for delivering atomized fluids |
KR100742473B1 (ko) * | 1999-11-02 | 2007-07-25 | 동경 엘렉트론 주식회사 | 제 1 및 제 2 소재를 초임계 처리하는 장치 및 방법 |
US20040003831A1 (en) * | 2000-04-18 | 2004-01-08 | Mount David J. | Supercritical fluid cleaning process for precision surfaces |
US20040016450A1 (en) * | 2002-01-25 | 2004-01-29 | Bertram Ronald Thomas | Method for reducing the formation of contaminants during supercritical carbon dioxide processes |
-
2004
- 2004-10-01 US US10/957,417 patent/US20060070640A1/en not_active Abandoned
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2005
- 2005-09-27 WO PCT/US2005/034761 patent/WO2006039321A1/en active Application Filing
- 2005-09-27 JP JP2007534726A patent/JP5252918B2/ja not_active Expired - Fee Related
- 2005-09-30 TW TW094134224A patent/TWI307728B/zh not_active IP Right Cessation
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JP2002373880A (ja) * | 2001-06-13 | 2002-12-26 | Dainippon Screen Mfg Co Ltd | 高圧処理装置 |
JP2003318152A (ja) * | 2002-04-24 | 2003-11-07 | Tokyo Electron Ltd | 基板処理装置及び基板処理方法 |
JP2006506820A (ja) * | 2002-11-18 | 2006-02-23 | レシフ | 濃厚相ガスおよび音波を使用して基板を処理するための基板処理装置 |
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US20060070640A1 (en) | 2006-04-06 |
TWI307728B (en) | 2009-03-21 |
WO2006039321A1 (en) | 2006-04-13 |
JP5252918B2 (ja) | 2013-07-31 |
TW200632141A (en) | 2006-09-16 |
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