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The study on the optimal operating voltage and pressure for the stable ejection using the electrostatic field induced MEMS inkjet head

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5 Author(s)
Ki Chul An ; Sch. of Inf. & Commun. Eng., Sungkyunkwan Univ., Suwon, South Korea ; Sang Uk Son ; Jae Yong Choi ; Yong Jae Kim
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Inkjet technology is already used in the manufacture of many electronic devices. During recent years, electrostatic induced inkjet print technology has turned theoretical research into a practical manufacturing solution. This paper presents a novel electrostatic field induced inkjet device featured by a MEMS fabricated nozzle with ring shaped control electrode and investigates the feasibility of applying the inkjet device to flexible electronics, micro bio chips and sensor devices manufacturing process. The electric voltage signal applied to a ring shaped electrode plate against the inside the nozzle allows a jet ejection to take place. This demonstrates a feasibility of electrostatic induced inkjet device as a disruptive alternative to conventional print heads.

Published in:

Assembly and Manufacturing, 2009. ISAM 2009. IEEE International Symposium on

Date of Conference:

17-20 Nov. 2009