Abstract
The effect of electrode distance on jetting behavior of non-particle nanoAg conductive ink during Electrohydrodynamics (EHD) under the direct current voltage is investigated. Experiments results indicate that the height of the meniscus increases while the curve decreases with the increase of electrode distance, and the jetting behavior evolves from pulsate cone jetting to pulsate micro dripping jetting. The low voltage combined with long electrode distance resulted in returning of meniscus to its original shape. With the increase of voltage, the increased electrode distance result in the increase of meniscus deformation and the electrode distance for maintaining the stable jetting was increased. Under the same voltage, the line width increases with the increase of electrode distance. The exceeded long electrode distance and high voltage resulted in jitter of elongated meniscus thus is not beneficial for the printing quality control.
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