JP2023515245A - スリットバルブガス圧制御 - Google Patents
スリットバルブガス圧制御 Download PDFInfo
- Publication number
- JP2023515245A JP2023515245A JP2022558401A JP2022558401A JP2023515245A JP 2023515245 A JP2023515245 A JP 2023515245A JP 2022558401 A JP2022558401 A JP 2022558401A JP 2022558401 A JP2022558401 A JP 2022558401A JP 2023515245 A JP2023515245 A JP 2023515245A
- Authority
- JP
- Japan
- Prior art keywords
- gate
- gas pressure
- slit valve
- fluid
- fluid flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Images
Classifications
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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
- F16K3/16—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 special arrangements for separating the sealing faces or for pressing them together
- F16K3/18—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 special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
- F16K3/188—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 special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of hydraulic forces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
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- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/046—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member
- F15B11/048—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member with deceleration control
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- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
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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
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- F16K3/0254—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 being operated by particular means
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- F16K31/124—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston servo actuated
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
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- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
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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
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- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
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- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
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- 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
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Abstract
Description
Claims (20)
- スリットバルブを制御するためのスリットバルブ装置であって、
スリットバルブアセンブリ、及び前記スリットバルブアセンブリと通信するサーボ制御システムを備え、前記スリットバルブアセンブリは、
開位置と閉位置との間で移行するように構成された少なくとも1つのゲート、
前記少なくとも1つのゲートに結合された少なくとも1つの移動部材を備える少なくとも1つのガス圧アクチュエータであって、前記少なくとも1つの移動部材は、前記少なくとも1つのゲートに力を加えるように構成されている、少なくとも1つのガス圧アクチュエータ、
加圧流体供給部又は通気孔と前記少なくとも1つのガス圧アクチュエータとの間の流体圧力及び/又は流体流量を制御するように構成された少なくとも1つの比例ガス圧バルブであって、前記少なくとも1つのガス圧アクチュエータへのそれぞれの供給ライン内の流体圧力及び/又は流体流量を独立して測定及び/又は制御するように各々が構成された複数のコントローラを備える、少なくとも1つの比例ガス圧バルブ、並びに
前記少なくとも1つのゲートの直線位置を継続的に特定するように構成された連続位置センサを備える、スリットバルブ装置。 - 前記スリットバルブ装置は、複数のスリットバルブアセンブリを備える、請求項1に記載のスリットバルブ装置。
- 前記サーボ制御システムは、前記複数のスリットバルブアセンブリと通信する、請求項2に記載のスリットバルブ装置。
- 前記サーボ制御システムは、前記少なくとも1つの比例ガス圧バルブ及び前記連続位置センサと通信する中央コントローラを備える、請求項1に記載のスリットバルブ装置。
- 前記中央コントローラは、
前記少なくとも1つのゲート用の位置軌跡を受け取ること、
前記連続位置センサから、前記少なくとも1つのゲートの直線位置測定値を受け取ること、
前記複数のコントローラから、前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ライン内の流体圧力及び/又は流体流量測定値を受け取ること、
前記位置軌跡、前記直線位置測定値、並びに前記流体圧力及び/又は流体流量測定値に基づいて、制御信号を生成すること、
前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ライン内の前記流体圧力及び/又は流体流量を調整するために、前記少なくとも1つの比例ガス圧バルブの前記複数のコントローラへ前記制御信号を送信すること、並びに
前記少なくとも1つのガス圧アクチュエータの前記少なくとも1つの移動部材を介して、前記少なくとも1つのゲートに力を加えるように、前記サーボ制御システムを動作させること、を実行するように構成されている、請求項4に記載のスリットバルブ装置。 - 前記少なくとも1つのガス圧アクチュエータへの前記流体圧力及び/又は流体流量が、前記少なくとも1つのガス圧アクチュエータ内の前記移動部材によって、前記少なくとも1つのゲートに加えられる前記力を制御する、請求項5に記載のスリットバルブ装置。
- 前記少なくとも1つのゲートが、前記開位置又は前記閉位置に近づくと、前記少なくとも1つのゲートを減速させ、前記開位置又は前記閉位置に到達すると、前記少なくとも1つのゲートを停止させるために、前記制御信号は、前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ライン内の前記流体圧力及び/又は流体流量を調整するように構成されている、請求項6に記載のスリットバルブ装置。
- 前記少なくとも1つのゲートが、前記開位置から前記閉位置に向かって又は前記閉位置から前記開位置に向かって移動を開始すると、前記少なくとも1つのゲートを加速させるために、前記制御信号は、前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ライン内の前記流体圧力及び/又は流体流量を調整するように構成されている、請求項6に記載のスリットバルブ装置。
- 前記少なくとも1つのゲートが前記閉位置にあると、前記少なくとも1つのゲートに加えられる前記力を増加させるために、前記制御信号は、前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ライン内の前記流体圧力及び/又は流体流量を調整するように構成されている、請求項7に記載のスリットバルブ装置。
- 前記少なくとも1つのゲートの第1の側に近接する第1のステーションと、前記少なくとも1つのゲートの前記第1の側の反対の第2の側に近接する第2のステーションとの間の圧力差が、300Torr未満であり、前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ラインへの前記流体圧力が、約10psigから約45psigの範囲にあり、又は
前記少なくとも1つのゲートの第1の側に近接する第1のステーションと、前記少なくとも1つのゲートの前記第1の側の反対の第2の側に近接する第2のステーションとの間の圧力差が、300Torrより大きく、前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ラインへの前記流体圧力が、約55psigから約80psigの範囲にある、請求項9に記載のスリットバルブ装置。 - 前記連続位置センサは、前記開位置から前記閉位置への及び前記閉位置から前記開位置へのその運動の全体を通して、前記少なくとも1つのゲートの前記直線位置を示す連続アナログ出力又は連続デジタル出力を生成するように構成されている、請求項1に記載のスリットバルブ装置。
- 前記連続位置センサは、バリスタ、誘導センサ、エンコーダ、光ベースのシステム、又は容量ベースのシステムのうちの少なくとも1つを含む、請求項11に記載のスリットバルブ装置。
- 前記少なくとも1つの比例ガス圧バルブは、完全な流れと流れがない状態との間で流体流量を変更するように構成されたアナログ制御部を備える、請求項1に記載のスリットバルブ装置。
- 前記少なくとも1つの比例ガス圧バルブは、ポペットバルブ又は比例スプールバルブを含む、請求項13に記載のスリットバルブ装置。
- スリットバルブ装置を制御する方法であって、
中央コントローラによって、前記スリットバルブ装置の少なくとも1つのゲート用の位置軌跡を受け取ること、
前記中央コントローラによって、前記少なくとも1つのゲートの直線位置を継続的に特定する連続位置センサから、直線位置測定値を受け取ること、
前記中央コントローラによって、少なくとも1つのガス圧アクチュエータへのそれぞれの供給ライン内の流体圧力及び/又は流体流量を独立して測定する複数のコントローラから、流体圧力及び/又は流体流量測定値を受け取ること、
前記中央コントローラによって、前記位置軌跡、前記直線位置測定値、並びに前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ライン内の前記流体圧力及び/又は流体流量測定値に基づいて、制御信号を生成すること、
前記中央コントローラによって、前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ライン内の前記流体圧力及び/又は流体流量を調整するために、前記少なくとも1つの比例ガス圧バルブの前記複数のコントローラへ前記制御信号を送信すること、並びに
前記中央コントローラによって、前記少なくとも1つのガス圧アクチュエータの少なくとも1つの移動部材を介して、前記少なくとも1つのゲートに力を加えるように、サーボ制御システムを動作させることを含む、方法。 - 前記少なくとも1つのゲートが端位置に近づくと、前記少なくとも1つのゲートを減速させ、前記端位置に到達すると前記少なくとも1つのゲートを停止させるために、前記中央コントローラは、前記少なくとも1つの比例ガス圧バルブ及び前記複数のコントローラに、前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ライン内の前記流体圧力及び/又は流体流量を調整させる、請求項15に記載の方法。
- 前記端位置が、開位置又は閉位置である、請求項16に記載の方法。
- 前記少なくとも1つのゲートが、開位置から閉位置に向かって又は閉位置から開位置に向かって移動を開始すると、前記少なくとも1つのゲートを加速させるために、前記中央コントローラは、前記少なくとも1つの比例ガス圧バルブの前記複数のコントローラに、前記少なくとも1つのガス圧アクチュエータへの前記それぞれの供給ライン内の前記流体圧力及び/又は流体流量を調整させる、請求項15に記載の方法。
- スリットバルブアセンブリのゲートに力を加えるために、サーボ制御システムを動作させることを含み、前記動作させることは、
前記スリットバルブアセンブリのガス圧アクチュエータの複数の供給ラインを通って流体が流れることを可能にするために、比例ガス圧バルブを作動させること、
前記複数の供給ライン内の流体圧力及び/又は流体流量を測定すること、
連続位置センサを用いて前記ゲートの直線位置を測定すること、
前記複数の供給ライン内の前記流体圧力及び/又は流体流量を調整するために、前記直線位置測定値、並びに前記複数の供給ライン内の前記流体圧力及び/又は流体流量測定値に応じて、前記サーボ制御システムを用いて前記比例ガス圧バルブを制御すること、並びに
前記複数の供給ラインを通って流れる前記流体を介して、前記アクチュエータの移動部材によって前記ゲートに力を加えることを含む、方法。 - 前記スリットバルブアセンブリは、
開位置から閉位置の間で移行するように構成された前記ゲート、
前記ゲートに結合された移動部材を備える前記ガス圧アクチュエータであって、前記移動部材は、前記ゲートに力を加えるように構成されている、前記ガス圧アクチュエータ、
加圧流体供給部又は通気孔と前記ガス圧アクチュエータとの間の流体圧力及び/又は流体流量を制御するように構成された前記比例ガス圧バルブであって、前記ガス圧アクチュエータへのそれぞれの供給ライン内の流体圧力及び/又は流体流量を独立して測定及び/又は制御するように各々が構成された複数のコントローラを備える、前記比例ガス圧バルブ、並びに
前記ゲートの直線位置を継続的に特定するように構成された連続位置センサを備える、請求項19に記載の方法。
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US20020092569A1 (en) * | 2001-01-16 | 2002-07-18 | Chartered Semiconductor Manufacturing Ltd. | Multiple speed slit valve controller |
JP3198694U (ja) * | 2014-05-29 | 2015-07-16 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | スリットバルブドア内の衝撃を軽減するための装置 |
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US20210301929A1 (en) | 2021-09-30 |
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