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Digital Valve Dispenses 1-mm Dots
April 11, 2007 |Estimated reading time: Less than a minute
HAVERHILL, Mass. Ultrasonic Systems' micro-line digital dispensing valve, which was developed for the Prism coating system, comprises a high-speed liquid-metering valve and a precision nozzle.
The system reportedly meets coating requirements independent of substrate material by applying materials 515 mm above the board. It applies conformal coatings in lines or dots down to 1 mm. Prism software controls liquid flow rates electronically. Ultrasonic Systems designed the product to improve accuracy compared to traditional needle-dispense heads.