JP4847015B2 - エンドポイントを検出するための方法 - Google Patents
エンドポイントを検出するための方法 Download PDFInfo
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- JP4847015B2 JP4847015B2 JP2004549995A JP2004549995A JP4847015B2 JP 4847015 B2 JP4847015 B2 JP 4847015B2 JP 2004549995 A JP2004549995 A JP 2004549995A JP 2004549995 A JP2004549995 A JP 2004549995A JP 4847015 B2 JP4847015 B2 JP 4847015B2
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/73—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using plasma burners or torches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01J37/32—Gas-filled discharge tubes
- H01J37/32917—Plasma diagnostics
- H01J37/32935—Monitoring and controlling tubes by information coming from the object and/or discharge
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- 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
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67069—Apparatus for fluid treatment for etching for drying etching
-
- 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
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67253—Process monitoring, e.g. flow or thickness monitoring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
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- Condensed Matter Physics & Semiconductors (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Description
本願は、2002年10月31日に出願された米国仮出願第60/422,510号に対する優先権を主張し、2002年10月31日に出願された、代理人整理番号第228159US6YA PROV号、「エッチ特性を決定するための方法及び装置(Method and apparatus for determining an etch property)」と題される同時係属出願第60/422,511号に関連する。これらの出願の内容は参照してここに組み込まれる。
Claims (7)
- プラズマ処理のエンドポイントを検出するための方法であって、
処理チャンバで前記プラズマ処理を開始することと、
前記処理チャンバに存在する第1の化学的成分に対応する第1のエンドポイント信号の放射照度を測定するように光診断システムを使用することと、
前記処理チャンバに存在する第2の化学的成分に対応する第2のエンドポイント信号の放射照度を測定するように光診断システムを使用することと、
前記第1のエンドポイント信号と、前記第2のエンドポイント信号との比率から、エンドポイント変移を有している比率信号を決定することと、
前記比率信号に、Savitsky Golayフィルタを備えている微分フィルタを適用することにより、前記比率信号から微分信号を決定することと、
前記微分信号から前記プラズマ処理のエンドポイントを決定するようにエンドポイント変移の第1の導関数の最大を計算するようにコントローラを使用することとを具備する方法。 - 前記第1のエンドポイント信号及び前記第2のエンドポイント信号のそれぞれは、前記プラズマ処理からの光信号を有している請求項1に記載の方法。
- 前記光信号のそれぞれは、前記プラズマ処理から発せられた光のスペクトル放射照度に関係づけられている請求項2に記載の方法。
- 前記光信号は、検出器、光フィルタ、回折格子、プリズム、単色光分光器、分光計、CCDアレイ、及びCIDアレイのうちの少なくとも1つを有している光診断サブシステムを使用して測定される請求項2に記載の方法。
- 前記コントローラは、前記微分フィルタの係数をフィルタウィンドウ幅を各データポイントで中心合わせされるように設定し、前記ウィンドウに多項式を適合することによって計算することを備えている請求項1に記載の方法。
- 前記微分信号は、前記比率信号の第1の導関数、及び前記比率信号の第2の導関数のうちの少なくとも1つを有している請求項1に記載の方法。
- 前記エンドポイントを前記決定することは、前記エンドポイント変移の開始ポイント、前記エンドポイント変移の終了ポイント、または、前記エンドポイント変移の変曲ポイントを検査するようにコントローラを使用することを備えている請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42251002P | 2002-10-31 | 2002-10-31 | |
US60/422,510 | 2002-10-31 | ||
PCT/US2003/031529 WO2004042803A1 (en) | 2002-10-31 | 2003-10-31 | Method and apparatus for detecting endpoint |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011174820A Division JP2011249841A (ja) | 2002-10-31 | 2011-08-10 | エンドポイントを検出するための方法及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006505138A JP2006505138A (ja) | 2006-02-09 |
JP4847015B2 true JP4847015B2 (ja) | 2011-12-28 |
Family
ID=32312518
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004549995A Expired - Fee Related JP4847015B2 (ja) | 2002-10-31 | 2003-10-31 | エンドポイントを検出するための方法 |
JP2011174820A Pending JP2011249841A (ja) | 2002-10-31 | 2011-08-10 | エンドポイントを検出するための方法及び装置 |
Family Applications After (1)
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JP2011174820A Pending JP2011249841A (ja) | 2002-10-31 | 2011-08-10 | エンドポイントを検出するための方法及び装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7297560B2 (ja) |
JP (2) | JP4847015B2 (ja) |
KR (1) | KR100938947B1 (ja) |
AU (1) | AU2003279827A1 (ja) |
TW (1) | TWI246725B (ja) |
WO (1) | WO2004042803A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI240326B (en) * | 2002-10-31 | 2005-09-21 | Tokyo Electron Ltd | Method and apparatus for determining an etch property using an endpoint signal |
JP2009231718A (ja) * | 2008-03-25 | 2009-10-08 | Renesas Technology Corp | ドライエッチング終点検出方法 |
KR20110101483A (ko) * | 2010-03-08 | 2011-09-16 | 삼성전자주식회사 | 플라즈마 장치의 제어 방법 및 시스템 |
US8747686B2 (en) * | 2012-01-27 | 2014-06-10 | Applied Materials, Inc. | Methods of end point detection for substrate fabrication processes |
JP6239294B2 (ja) * | 2013-07-18 | 2017-11-29 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置及びプラズマ処理装置の運転方法 |
JP6318007B2 (ja) * | 2013-11-29 | 2018-04-25 | 株式会社日立ハイテクノロジーズ | データ処理方法、データ処理装置および処理装置 |
JP6453421B2 (ja) * | 2013-11-29 | 2019-01-16 | 株式会社日立ハイテクノロジーズ | データ処理方法、データ処理装置および処理装置 |
KR101700391B1 (ko) * | 2014-11-04 | 2017-02-13 | 삼성전자주식회사 | 펄스 플라즈마의 고속 광학적 진단 시스템 |
KR101532897B1 (ko) * | 2015-01-08 | 2015-07-02 | 성균관대학교산학협력단 | 플라즈마 식각 공정의 식각 종료점 진단방법 |
CN106158862B (zh) * | 2015-04-28 | 2019-04-26 | 联华电子股份有限公司 | 半导体元件及其制作方法 |
JP6553398B2 (ja) | 2015-05-12 | 2019-07-31 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置、データ処理装置およびデータ処理方法 |
US10427272B2 (en) | 2016-09-21 | 2019-10-01 | Applied Materials, Inc. | Endpoint detection with compensation for filtering |
CN106901776B (zh) * | 2017-01-11 | 2019-07-26 | 中国人民解放军第三军医大学第三附属医院 | 基于可变滤波器长度的超声弹性成像方法 |
JP7094377B2 (ja) | 2019-12-23 | 2022-07-01 | 株式会社日立ハイテク | プラズマ処理方法およびプラズマ処理に用いる波長選択方法 |
Citations (4)
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JPH10154693A (ja) * | 1995-07-24 | 1998-06-09 | Internatl Business Mach Corp <Ibm> | トレンチ形成プロセスのリアルタイム現場監視のための方法 |
JPH11265878A (ja) * | 1998-01-27 | 1999-09-28 | Internatl Business Mach Corp <Ibm> | 残留ガス分析により終点検出を提供する方法及び装置 |
JP2000212773A (ja) * | 1999-01-20 | 2000-08-02 | Hamamatsu Photonics Kk | ウエットエッチング終点検出装置 |
JP2002280368A (ja) * | 1998-12-01 | 2002-09-27 | Hitachi Ltd | 絶縁膜のエッチング方法 |
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JPH10190105A (ja) * | 1996-12-25 | 1998-07-21 | Fuji Photo Film Co Ltd | 半導体発光装置 |
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-
2003
- 2003-10-23 TW TW092129415A patent/TWI246725B/zh not_active IP Right Cessation
- 2003-10-31 JP JP2004549995A patent/JP4847015B2/ja not_active Expired - Fee Related
- 2003-10-31 KR KR1020057007683A patent/KR100938947B1/ko not_active IP Right Cessation
- 2003-10-31 US US10/531,468 patent/US7297560B2/en not_active Expired - Fee Related
- 2003-10-31 AU AU2003279827A patent/AU2003279827A1/en not_active Abandoned
- 2003-10-31 WO PCT/US2003/031529 patent/WO2004042803A1/en active Application Filing
-
2011
- 2011-08-10 JP JP2011174820A patent/JP2011249841A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10154693A (ja) * | 1995-07-24 | 1998-06-09 | Internatl Business Mach Corp <Ibm> | トレンチ形成プロセスのリアルタイム現場監視のための方法 |
JPH11265878A (ja) * | 1998-01-27 | 1999-09-28 | Internatl Business Mach Corp <Ibm> | 残留ガス分析により終点検出を提供する方法及び装置 |
JP2002280368A (ja) * | 1998-12-01 | 2002-09-27 | Hitachi Ltd | 絶縁膜のエッチング方法 |
JP2000212773A (ja) * | 1999-01-20 | 2000-08-02 | Hamamatsu Photonics Kk | ウエットエッチング終点検出装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2004042803A1 (en) | 2004-05-21 |
JP2011249841A (ja) | 2011-12-08 |
TWI246725B (en) | 2006-01-01 |
TW200414347A (en) | 2004-08-01 |
JP2006505138A (ja) | 2006-02-09 |
US7297560B2 (en) | 2007-11-20 |
KR100938947B1 (ko) | 2010-01-26 |
AU2003279827A1 (en) | 2004-06-07 |
US20060037938A1 (en) | 2006-02-23 |
KR20050055048A (ko) | 2005-06-10 |
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