Electrostatic droplet formation and ejection of colloid

  title={Electrostatic droplet formation and ejection of colloid},
  author={Sukhan Lee and Doyoung Byun and Sang Joon Han and Sang Uk Son and Yongjae Kim and Han Seo Ko},
  journal={Micro-Nanomechatronics and Human Science, 2004 and The Fourth Symposium Micro-Nanomechatronics for Information-Based Society, 2004.},
This paper presents a novel mechanism of electrostatic micro droplet formation and ejection using charged colloid as fluid. Unlike conventional electrostatic jetting which requires a high operating voltage, we offer a commercially viable, low operating voltage for droplet-on-demand operation based on a layered electrode structure of nozzle. The layered electrode structure of nozzle allows the formation, acceleration, and ejection of a droplet to be controlled by the voltage signals applied to… CONTINUE READING
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