Operating at speeds up to 500 Hz/sec, Square Wave™ 745NC deposits continuous lines of microdots on solder-coated metal ribbons that connect adjoining PV wafers. Solenoid technology minimizes process variation for repeatable dot-to-dot consistency, while low actuation speed of 2 ms prevents build-up of flux crystals on valve's nozzle which could prevent fluid from being deposited precisely on bus bar. With non-contact design, valve never touches delicate PV wafer, minimizing breakage and rejects.
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