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CHEMICAL REAGENT DELIVERY SYSTEM UTILIZING IONIC LIQUID STORAGE MEDIUM
CHEMICAL REAGENT DELIVERY SYSTEM UTILIZING IONIC LIQUID STORAGE MEDIUM
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机译:利用离子液体存储介质的化学试剂输送系统
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摘要
A system (10) including a reagent supply container (12) in which a vessel (14) holds a composition including a chemical reagent dissolved or dispersed in a storage liquid (18) that is reversibly interactive with the chemical reagent to store the chemical reagent therein, and an ultrasonic energy source (19, 32, 34) adapted to introduce ultrasonic energy into the composition to liberate the chemical reagent therefrom for dispensing from the vessel of the reagent supply container. The ultrasonic energy source can be internally provided in the container, or may be provided as part of an external ultrasonic energy impingement unit (112), in which the stored chemical reagent, e.g., a microelectronic device manufacturing reagent, is extracted from the liquid storage medium for transport to a reagent-utilizing process or facility (38). The liquid storage medium may for example include an ionic liquid with which the chemical reagent is reversibly taken up, and subsequently released under ultrasonic energy exposure dispensing conditions.
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