JP5461759B2 - プラズマ処理装置、プラズマ処理方法及び記憶媒体 - Google Patents
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- 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
- H01J37/32009—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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- 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
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
- H01J37/32174—Circuits specially adapted for controlling the RF discharge
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- 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
- H01J37/32431—Constructional details of the reactor
- H01J37/32532—Electrodes
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- 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
- H01J37/32926—Software, data control or modelling
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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
- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
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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
- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31127—Etching organic layers
- H01L21/31133—Etching organic layers by chemical means
- H01L21/31138—Etching organic layers by chemical means by dry-etching
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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
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67069—Apparatus for fluid treatment for etching for drying etching
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- Analytical Chemistry (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
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- Inorganic Chemistry (AREA)
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Description
W 半導体ウエハ
10 プラズマ処理装置
11 基板処理室
12 サセプタ
20 高周波電源
34 ガス導入シャワーヘッド
38 上部電極板
46 他の高周波電源
49 直流電源
52 制御部
53 データベース
54 スイッチ
Claims (11)
- 基板が搬入される処理空間を有し且つ該処理空間において前記基板にプラズマ処理を施す基板処理室と、該基板処理室内に配置され且つ高周波電源に接続された第1の電極と、前記処理空間に露出する露出部を有し且つ前記基板処理室及び前記第1の電極から電気的に絶縁されている第2の電極とを備えるプラズマ処理装置において、
事前に複数のデポ膜厚について、デポ膜厚毎に、該デポ膜の除去が可能であり且つ前記第2の電極そのものがスパッタされない、前記第2の電極に印加される直流電圧の値を求めて除去すべきデポ膜の膜厚と必要な直流電圧の値との関係を取得する関係取得部と、
前記取得された関係に基づいて、実行するプラズマ処理の処理条件から前記第2の電極に印加すべき直流電圧の値を決定する電圧値決定部と、
前記決定された値の直流電圧を前記第2の電極に印加する直流電源とを有することを特徴とするプラズマ処理装置。 - 前記電圧値決定部は、前記露出部に付着する付着物の量に応じて前記第2の電極に印加すべき直流電圧の値を決定することを特徴とする請求項1記載のプラズマ処理装置。
- 前記電圧値決定部は、前記処理空間に導入されるガスの種類、前記第1の電極に供給される高周波電力の大きさ及び前記処理空間の圧力の少なくとも1つに応じて前記第2の電極に印加すべき直流電圧の値を決定することを特徴とする請求項1記載のプラズマ処理装置。
- 少なくとも前記高周波電源が前記第1の電極に高周波電力を供給している間は、前記直流電源が前記第2の電極に直流電圧を印加することを特徴とする請求項1乃至3のいずれか1項に記載のプラズマ処理装置。
- 少なくとも前記処理空間においてプラズマが発生している間は、前記直流電源が前記第2の電極に直流電圧を印加することを特徴とする請求項1乃至3のいずれか1項に記載のプラズマ処理装置。
- 基板が搬入される処理空間を有し且つ該処理空間において前記基板にプラズマ処理を施す基板処理室と、該基板処理室内に配置され且つ高周波電源に接続された第1の電極と、前記処理空間に露出する露出部を有し且つ前記基板処理室及び前記第1の電極から電気的に絶縁されている第2の電極とを備えるプラズマ処理装置におけるプラズマ処理方法であって、
事前に複数のデポ膜厚について、デポ膜厚毎に、該デポ膜の除去が可能であり且つ前記第2の電極そのものがスパッタされない、前記第2の電極に印加される直流電圧の値を求めて除去すべきデポ膜の膜厚と必要な直流電圧の値との関係を取得する関係取得ステップと、
前記取得された関係に基づいて、実行するプラズマ処理の処理条件から前記第2の電極に印加すべき直流電圧の値を決定する電圧値決定ステップと、
前記決定された値の直流電圧を前記第2の電極に印加する直流電圧印加ステップとを有することを特徴とするプラズマ処理方法。 - 前記電圧値決定ステップは、前記露出部に付着する付着物の量に応じて前記第2の電極に印加すべき直流電圧の値を決定することを特徴とする請求項6記載のプラズマ処理方法。
- 前記電圧値決定ステップは、前記処理空間に導入されるガスの種類、前記第1の電極に供給される高周波電力の大きさ及び前記処理空間の圧力の少なくとも1つに応じて前記第2の電極に印加すべき直流電圧の値を決定することを特徴とする請求項6記載のプラズマ処理方法。
- 前記直流電圧印加ステップでは、少なくとも前記高周波電源が前記第1の電極に高周波電力を供給している間は、前記第2の電極に直流電圧を印加することを特徴とする請求項6乃至8のいずれか1項に記載のプラズマ処理方法。
- 前記直流電圧印加ステップでは、少なくとも前記処理空間においてプラズマが発生している間は、前記第2の電極に直流電圧を印加することを特徴とする請求項6乃至8のいずれか1項に記載のプラズマ処理方法。
- 基板が搬入される処理空間を有し且つ該処理空間において前記基板にプラズマ処理を施す基板処理室と、該基板処理室内に配置され且つ高周波電源に接続された第1の電極と、
前記処理空間に露出する露出部を有し且つ前記基板処理室及び前記第1の電極から電気的に絶縁されている第2の電極とを備えるプラズマ処理装置におけるプラズマ処理方法をコンピュータに実行させるプログラムを格納するコンピュータで読み取り可能な記憶媒体であって、前記プログラムは、
事前に複数のデポ膜厚について、デポ膜厚毎に、該デポ膜の除去が可能であり且つ前記第2の電極そのものがスパッタされない、前記第2の電極に印加される直流電圧の値を求めて除去すべきデポ膜の膜厚と必要な直流電圧の値との関係を取得する関係取得モジュールと、
前記取得された関係に基づいて、実行するプラズマ処理の処理条件から前記第2の電極に印加すべき直流電圧の値を決定する電圧値決定モジュールと、
前記決定された値の直流電圧を前記第2の電極に印加する直流電圧印加モジュールとを有することを特徴とする記憶媒体。
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JP2006168684A JP5461759B2 (ja) | 2006-03-22 | 2006-06-19 | プラズマ処理装置、プラズマ処理方法及び記憶媒体 |
KR1020070027578A KR100857955B1 (ko) | 2006-03-22 | 2007-03-21 | 플라즈마 처리 장치, 플라즈마 처리 방법 및 기억 매체 |
US11/689,065 US7883632B2 (en) | 2006-03-22 | 2007-03-21 | Plasma processing method |
US12/973,563 US9362090B2 (en) | 2006-03-22 | 2010-12-20 | Plasma processing apparatus, plasma processing method, and storage medium |
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US20210074517A1 (en) * | 2019-09-05 | 2021-03-11 | Tokyo Electron Limited | Plasma processing apparatus and control method |
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JP5389362B2 (ja) * | 2008-02-25 | 2014-01-15 | 株式会社日立ハイテクノロジーズ | 真空処理装置 |
JP5213496B2 (ja) * | 2008-03-31 | 2013-06-19 | 東京エレクトロン株式会社 | プラズマエッチング方法及びコンピュータ読み取り可能な記憶媒体 |
US9441296B2 (en) | 2011-03-04 | 2016-09-13 | Novellus Systems, Inc. | Hybrid ceramic showerhead |
JP6022785B2 (ja) * | 2012-03-26 | 2016-11-09 | 株式会社日立国際電気 | 半導体装置の製造方法、基板処理装置、及びプログラム |
JP2014007370A (ja) | 2012-06-01 | 2014-01-16 | Tokyo Electron Ltd | プラズマエッチング方法 |
JP6255187B2 (ja) | 2013-08-20 | 2017-12-27 | 東京エレクトロン株式会社 | シリコン酸化膜をエッチングする方法 |
JP6140575B2 (ja) * | 2013-08-26 | 2017-05-31 | 東京エレクトロン株式会社 | 半導体装置の製造方法 |
JP7133975B2 (ja) * | 2018-05-11 | 2022-09-09 | 東京エレクトロン株式会社 | エッチング方法およびエッチング装置 |
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KR101247857B1 (ko) * | 2004-06-21 | 2013-03-26 | 도쿄엘렉트론가부시키가이샤 | 플라즈마 처리 장치 |
JP4699127B2 (ja) * | 2004-07-30 | 2011-06-08 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
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US20210074517A1 (en) * | 2019-09-05 | 2021-03-11 | Tokyo Electron Limited | Plasma processing apparatus and control method |
US11721528B2 (en) * | 2019-09-05 | 2023-08-08 | Tokyo Electron Limited | Plasma processing apparatus and control method |
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