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정전기장 유도된 잉크젯 프린터 헤드를 이용한 탄소나노튜브 잉크의 Drop-On-Demand 특성 연구
崔在鎔(J. Y. Choi),金容載(Y. J. Kim),孫尙郁(S. U. Son),金永珉(Y. M. Kim),李錫漢(S. H. Lee),邊渡泳(D. Y. Byun),高漢瑞(H. S. Ho) 대한전기학회 2007 전기학회논문지 Vol.56 No.8
This paper presents the DOD (Drop-On-Demand) characteristic using the electrostatic field induced inkier printing system. In order to achieve the DOD characteristic of electrostatic field induced inkjet printing, applied the bias voltage of 1.4 ㎸ and the pulse voltage of 2.0 ㎸ ~ 2.7 ㎸ using high voltage pulse generator. Electrostatic field induced droplet ejection is directly observed using a high-speed camera and for investigated DOD characteristic, CNT ink used. The electrostatic field induced inkjet head system has DOD characteristic using pulse generator which can be applied pulse voltage. The bias voltage has a good condition which form meniscus and has micro dripping mode for small size micro droplet. Also, the droplet size decreases with increasing the applied pulse voltage. This paper shows DOD characteristic at electrostatic field induced inkjet head system. Therefore, electrostatic DOD inkjet head system will be applied industrial area comparing conventional electrostatic inkjet head system.