JP7239633B2 - ポンピング・ラインでの堆積クリーニングのための方法及び装置 - Google Patents
ポンピング・ラインでの堆積クリーニングのための方法及び装置 Download PDFInfo
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C16/50—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 using electric discharges
- C23C16/513—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 using electric discharges using plasma jets
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- 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
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4405—Cleaning of reactor or parts inside the reactor by using reactive gases
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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
- C23C16/4412—Details relating to the exhausts, e.g. pumps, filters, scrubbers, particle traps
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
- F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
- F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
- F16K3/10—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members with special arrangements for separating the sealing faces or for pressing them together
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
- F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations
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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
- H01J37/32816—Pressure
- H01J37/32834—Exhausting
- H01J37/32844—Treating effluent gases
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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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- 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
- H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
- H05H1/2418—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes the electrodes being embedded in the dielectric
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/30—Capture or disposal of greenhouse gases of perfluorocarbons [PFC], hydrofluorocarbons [HFC] or sulfur hexafluoride [SF6]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Description
別の態様では、本体と制御要素とを含む真空弁を設ける工程と、本体又は制御要素の少なくとも1つの、表面を、電気的に接地される表面を形成するために電気的に接地する工程と、電極を、真空弁の電気的に接地される表面の近傍に配備する工程とを含む方法が提供される。方法はさらには、バリア誘電体の少なくとも一部分を、電極と、真空弁の電気的に接地される表面との間に挿入する工程と、誘電体バリア放電構造を、電極と、バリア誘電体と、電気的に接地される表面とを使用して創出する工程とを含む。誘電体バリア放電構造は、真空弁の少なくとも一部分を処理するために、真空弁に結合される局在化プラズマを生成するように適合させられる。
一部の実施形態では、プラズマ源は、本体内に設けられ、入力ポート及び出力ポートから離隔される、2次ポートをさらに備える。2次ポートは、ガス・フローを、本体の概ね円筒形の内部容積内に導通させるように構成される。
一部の実施形態では、概ね円筒形の内部容積は、ポンピング・ラインと同軸である。
一部の実施形態では、局在化プラズマは、各々のインライン・プラズマ源の内部表面上に形成され、各々のインライン・プラズマ源の内部表面は、ポンピング・ラインのセクションを形成する、概ね円筒形の内部容積を画定する。コンダクタンスは、ポンピング・ライン、及び、インライン・プラズマ源の概ね円筒形の内部容積に沿って実質的に一定であり得る。
この例に関しては、ポンピング・ライン2004に供給される入力クリーニング・ガスはNF3である。クリーニング・ガスを解離させる後に生成されるラジカルは、F*により表される。ポンピング・ライン2004に蓄積される不要の副生物は、Si及びSiO2である。エッチング/クリーニング処理により生成される副生物はSiF4であり、そのSiF4は、安定なガスであり、ポンピング・ライン2004から離れるようにポンピングされ得る。上記で解説されたように、エッチング/クリーニング処理の進行する性質に起因して、時間=1で、プラズマ源2002b及びポンピング・ライン・セグメント2004aの付近の区域が、堆積させられる副生物を実質的に排除するようにクリーニングされる。時間=2で、プラズマ源2002b、2002c及びポンピング・ライン・セグメント2004a、2004bの両方の付近の区域が、堆積させられる副生物を実質的に排除するようにクリーニングされる。
Claims (20)
- 中心長手軸に沿って延在する、概ね円筒形の内部容積を画定する本体であって、入力ポートと、出力ポートと、前記概ね円筒形の内部容積の周りに設けられる内部表面とを有し、前記本体の前記内部表面は1つ以上の金属材料を含んでなる、本体と、
戻り電極の近傍に設けられる供給電極と、
誘電体部材であって、前記供給電極と前記戻り電極のうちの少なくとも1つが前記誘電体部材に緊密に囲まれている、誘電体部材と、
前記供給電極と、前記戻り電極と、前記誘電体部材とから形成される放電構造であって、前記放電構造の少なくとも一部分は、前記本体内に、又は、前記本体の前記内部表面上に設けられ、前記放電構造は、前記供給電極と前記戻り電極とのうちの少なくとも1つを緊密に囲む前記誘電体部材を備え、及び、プラズマを、前記概ね円筒形の内部容積で生成するように適合させられる、放電構造とを備える、プラズマ源。 - 前記戻り電極は電気的に接地される、請求項1に記載のプラズマ源。
- 前記戻り電極はプラズマ源の前記本体の電気的に接地される部分を備える、請求項1に記載のプラズマ源。
- 前記戻り電極と前記供給電極とは前記誘電体部材に緊密に囲まれている、請求項1に記載のプラズマ源。
- 前記概ね円筒形の内部容積は前記中心長手軸に沿って実質的に直線的に延在する、請求項1に記載のプラズマ源。
- 前記誘電体部材が前記概ね円筒形の内部容積の少なくとも一部分を画定する、請求項1に記載のプラズマ源。
- 前記供給電極及び前記戻り電極は前記中心長手軸までの概ね同一の半径距離を維持する、請求項1に記載のプラズマ源。
- 前記本体に埋め込まれる冷却チャネルをさらに備え、前記冷却チャネルは、冷却液を、前記本体を通して導通させるように構成される、請求項1に記載のプラズマ源。
- 前記本体を冷却するための、前記本体の外部表面上に設けられる1つ以上のフィンをさらに備える、請求項1に記載のプラズマ源。
- 前記中心長手軸に沿って交番の配置構成で配置される、複数の供給電極と、複数の戻り電極とをさらに備える、請求項1に記載のプラズマ源。
- 前記本体内に設けられ、前記入力ポート及び前記出力ポートから離隔される、2次ポートをさらに備え、前記2次ポートは、ガス・フローを、前記本体の前記概ね円筒形の内部容積内に導通させるように構成される、請求項1に記載のプラズマ源。
- 中心長手軸に沿って延在する、概ね円筒形の内部容積を画定する本体を設ける工程であって、前記本体は、入力ポートと、出力に結合するための出力ポートと、前記概ね円筒形の内部容積を画定するために前記中心長手軸の周りに設けられる内部表面とを有し、前記本体の前記内部表面は1つ以上の金属材料を含んでなる、本体を設ける工程と、
供給電極を、戻り電極の近傍に配備する工程と、
前記供給電極又は前記戻り電極のうちの少なくとも1つを誘電体部材によって緊密に囲むことによって、前記誘電体部材の少なくとも一部分を、前記供給電極と前記戻り電極との間に配置する工程と、
放電構造を、前記供給電極と、前記戻り電極と、前記誘電体部材とを使用して創出する工程であって、前記放電構造の少なくとも一部分は、前記本体内に、又は、前記本体の前記内部表面上に設けられ、前記放電構造は、前記供給電極と前記戻り電極とのうちの少なくとも1つを緊密に囲む前記誘電体部材を備え、及び、局在化プラズマを、前記概ね円筒形の内部容積で生成するように適合させられる、放電構造を創出する工程と、を備える、プラズマ源を製造する方法。 - 前記戻り電極を接地する工程をさらに含む請求項12に記載の方法。
- 前記戻り電極を、前記本体の少なくとも1つの部分を電気的に接地することにより形成する工程をさらに備える、請求項12に記載の方法。
- 前記戻り電極及び前記供給電極のうちの少なくとも1つを前記誘電体部材によって緊密に囲む工程をさらに備える、請求項12に記載の方法。
- 前記概ね円筒形の容積の少なくとも一部分を、前記誘電体部材により画定する工程をさらに備える、請求項12に記載の方法。
- 前記放電構造を、約20ワットから約1000ワットの電力を伴う前記局在化プラズマを生成するように構成する工程をさらに備える、請求項12に記載の方法。
- 前記概ね円筒形の内部容積はポンピング・ラインと同軸である、請求項12に記載の方法。
- 同時焼成技法を使用して、分離誘電体部材と、前記誘電体部材と、前記供給電極とを含む前記放電構造の少なくとも一部分を統合的に形成する工程をさらに備える、請求項12に記載の方法。
- 前記誘電体部材及び前記分離誘電体部材は、1つ以上のセラミック材料を含んでなる、請求項19に記載の方法。
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JP2022206137A JP7448625B2 (ja) | 2016-01-13 | 2022-12-23 | ポンピング・ラインでの堆積クリーニングのための方法及び装置 |
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US14/994,668 US10337105B2 (en) | 2016-01-13 | 2016-01-13 | Method and apparatus for valve deposition cleaning and prevention by plasma discharge |
US14/994,668 | 2016-01-13 | ||
JP2018536826A JP6878444B2 (ja) | 2016-01-13 | 2017-01-12 | ポンピング・ラインでの堆積クリーニングのための方法及び装置 |
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