JP2009283699A - 真空処理装置および真空処理方法 - Google Patents
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- H01L21/67005—Apparatus not specifically provided for elsewhere
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- H01L21/67017—Apparatus for fluid treatment
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
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- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4407—Cleaning of reactor or reactor parts by using wet or mechanical methods
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45519—Inert gas curtains
- C23C16/45521—Inert gas curtains the gas, other than thermal contact gas, being introduced the rear of the substrate to flow around its periphery
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
- C23C16/4586—Elements in the interior of the support, e.g. electrodes, heating or cooling devices
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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
- H01J37/32697—Electrostatic control
- H01J37/32706—Polarising the substrate
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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
- H01J37/32798—Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
- H01J37/32853—Hygiene
- H01J37/32862—In situ cleaning of vessels and/or internal parts
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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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
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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
- H01L21/683—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 for supporting or gripping
- H01L21/6831—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 for supporting or gripping using electrostatic chucks
Abstract
【解決手段】真空容器内に配置され内部でプラズマが形成される処理室104と、処理室104内の下部に配置されその上面に処理対象の被処理試料102が載置される試料台113と、処理室104の上方に配置されこの処理室内に処理ガスを導入するための導入孔を有するガス導入機構を備えた真空処理装置において、試料台113は被処理試料102との間に伝熱ガス118を導入する溝117とガス供給口119を備え、真空容器内の試料台113に載置した被処理試料102或いは被処理試料と略同形のダミー試料202と試料台113の間にガス供給口119を介して除塵ガス120を導入する機構を備え、除塵ガス120による流体力で前記試料台113に付着している異物201を除去する。
【選択図】図2
Description
102:被処理試料、
103:シャワープレート、
104:処理室、
105:ターボ分子ポンプ
106:ドライポンプ
107:圧力制御器
108:マイクロ波発信器
109:整合器
110:導波管
111:マイクロ波導入窓
112:ソレイドコイル
113:試料台
114:圧力交換室
115:高周波電源
116:流電源
117:試料台表面溝
118:伝熱ガス
119:ガス供給口
120:除塵ガス
201:異物
202:ダミー試料
203:バイパス用配管
204:接触用凸部(突出部)
205:ダミー試料溝
Claims (17)
- 真空容器内に配置され内部でプラズマが形成される処理室と、この処理室内の下部に配置されその上面に処理対象の被処理試料が載置される試料台と、前記処理室の上方に配置されこの処理室内に処理ガスを導入するための導入孔を有するガス導入機構を備えた真空処理装置において、
前記真空容器内の前記試料台にダミー試料を搬送して前記試料台に前記ダミー試料を載置し得る手段と、
前記試料台に前記被処理試料を固定する静電吸着手段と、
前記試料台と被処理試料との間に被処理試料の温度を制御するための伝熱ガスを導入する手段と、
前記試料台と前記ダミー試料の間に除塵ガスを導入する手段と、
前記伝熱ガスの導入と除塵ガスの導入を切替える手段を備えた
ことを特徴とする真空処理装置。 - 請求項1に記載の真空処理装置において、
前記試料台の静電吸着手段はプラズマが生成されている場合に機能するモノポール型であることを特徴とする真空処理装置。 - 請求項1に記載の真空処理装置において、
前記試料台の静電吸着手段は、プラズマが生成されていない場合でも機能するダイポール型であることを特徴とする真空処理装置。 - 請求項1に記載の真空処理装置において、
前記静電吸着手段に印加する直流電圧を変化させる手段を設けたことを特徴とする真空処理装置。 - 請求項1に記載の真空処理装置において、
前記試料台に載置する前記ダミー試料は、裏面に凸部を設け、前記ダミー試料の凸部を静電吸着して前記試料台に保持したときに、前記試料台から導入した除塵ガスの流路を前記凸部で形成したことを特徴とする真空処理装置。 - 請求項1に記載の真空処理装置において、
前記ダミー試料は、試料台と対向する表面に前記伝熱ガスを前記被処理試料と前記試料台の間に充填させるために設けられた溝の凹凸に対して反転させたパターンを有し、前記ダミー試料と前記試料台との間に除塵ガスを導入した時に前記ダミー試料と前記試料台の間全体が同じコンダクタンスにすることを特徴とする真空処理装置。 - 請求項1に記載の真空処理装置において、
前記除塵ガスを導入する手段は、前記試料台の略中央部に設けられることを特徴とする真空処理装置。 - 請求項1に記載の真空処理装置において、
前記試料台から導入する除塵ガスの導入手段の除塵ガスの供給口は前記伝熱ガスの導入手段の伝熱ガスの供給口であることを特徴とする真空処理装置。 - 請求項1に記載の真空処理装置において、
前記試料台から導入する除塵ガスはヘリウム、アルゴン、窒素のいずれかであることを特徴とする真空処理装置。 - 真空容器内に配置され内部でプラズマが形成される処理室と、この処理室内の下部に配置されその上面に処理対象の被処理試料が載置される試料台と、前記処理室の上方に配置されこの処理室内に処理ガスを導入するための導入孔を有するガス導入機構を備えた真空処理装置であって、前記真空容器内の前記試料台にダミー試料を搬送して前記試料台に前記ダミー試料を載置し得る手段と、前記試料台に前記被処理試料を固定する静電吸着手段と、前記試料台と被処理試料との間に被処理試料の温度を制御するための伝熱ガスを導入する手段と、前記試料台と前記ダミー試料の間に除塵ガスを導入する手段と、前記伝熱ガスの導入と除塵ガスの導入を切替える手段を備えた真空処理装置を用いた真空処理方法において、
前記試料台にダミー試料を載置し、
前記試料台と前記ダミー試料との間に除塵ガスを導入し、除塵ガスの流れにより前記試料台に付着している異物を除去することを特徴とする真空処理方法。 - 請求項10に記載の真空処理方法において、
前記ダミー試料を静電吸着により前記試料台に固定した上で、前記試料と前記試料台との間に前記除塵ガスを導入することを特徴とする真空処理方法。 - 請求項10に記載の真空処理方法において、
前記試料台の静電吸着手段はモノポール型であり、前記試料台に前記ダミー試料を載置した後、プラズマ生成ガスを前記ガス導入機構から導入してプラズマを生成し、前記静電吸着手段により前記ダミー試料を静電吸着し、次に前記ダミー試料と前記試料台との間に除塵ガスを導入することを特徴とする真空処理方法。 - 請求項10に記載の真空処理方法において、
前記試料台の静電吸着手段はダイポール型であり、前記試料台に前記ダミー試料を載置した後、前記静電吸着機構により前記ダミー試料を静電吸着し、次に前記ダミー試料と前記試料台との間に除塵ガスを導入することを特徴とする真空処理方法。 - 請求項10に記載の真空処理方法において、
前記ダミー試料と前記試料台との間に除塵ガスを導入するとともに、前記静電吸着手段に印加する直流電圧を変化させることを特徴とする真空処理方法。 - 請求項10に記載の真空処理方法において、
前記試料台に対向する前記ダミー試料表面に凸部を設け、前記ダミー試料の凸部を静電吸着して前記試料台に保持し、前記試料台から導入した除塵ガスの流路を前記凸部で形成したことを特徴とする真空処理方法。 - 請求項10に記載の真空処理方法において、
前記試料台から導入する除塵ガスはヘリウム、アルゴン、窒素のいずれかであることを特徴とする真空処理方法。 - 請求項10に記載の真空処理方法において、
前記ダミー試料と試料台との間に除塵ガスを供給して試料台表面に付着している異物を除去したのち、前記ダミー試料を搬出することによりダミー試料に付着した異物を処理室から除去することを特徴とする真空処理方法。
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JP2008134500A JP4940184B2 (ja) | 2008-05-22 | 2008-05-22 | 真空処理装置および真空処理方法 |
TW097129662A TW200949928A (en) | 2008-05-22 | 2008-08-05 | Vacuum processing apparatus and vacuum processing method |
KR1020080081011A KR101007898B1 (ko) | 2008-05-22 | 2008-08-19 | 진공처리장치 및 진공처리방법 |
US12/199,820 US7913646B2 (en) | 2008-05-22 | 2008-08-28 | Vacuum processing apparatus and vacuum processing method |
US12/854,435 US8262801B2 (en) | 2008-05-22 | 2010-08-11 | Vacuum processing method |
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JP2013187289A (ja) * | 2012-03-07 | 2013-09-19 | Ulvac Japan Ltd | 基板保持装置及びその再生方法 |
JP2016050349A (ja) * | 2014-09-01 | 2016-04-11 | 株式会社アルバック | 真空処理装置 |
WO2023148861A1 (ja) * | 2022-02-02 | 2023-08-10 | 東京エレクトロン株式会社 | プラズマ処理装置のクリーニング方法 |
Also Published As
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TWI374493B (ja) | 2012-10-11 |
US8262801B2 (en) | 2012-09-11 |
JP4940184B2 (ja) | 2012-05-30 |
US7913646B2 (en) | 2011-03-29 |
US20100300483A1 (en) | 2010-12-02 |
US20090288684A1 (en) | 2009-11-26 |
KR20090122098A (ko) | 2009-11-26 |
KR101007898B1 (ko) | 2011-01-19 |
TW200949928A (en) | 2009-12-01 |
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