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US5195655A Integrated fluid dispense apparatus to reduce contamination 失效
综合流体排放装置减少污染

Integrated fluid dispense apparatus to reduce contamination
Abstract:
An integrated fluid dispense apparatus (10) suitable for delivering ultrapure fluids. The fluid is confined to a nonrigid hermetic fluid delivery apparatus (10). A pumping mechanism (11) pumps fluids in precise volumes and flow rates. A moisturizing dispense nozzle (12) provides a saturated vapor atmosphere at the nozzle tip to prevent the fluid from drying during non-dispense periods.
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