Drop-on-demand printing of conductive ink by electrostatic field induced inkjet head

Jaeyong Choi; Yong-Jae Kim; Sukhan Lee; Sang Uk Son; Han Seo Ko; Vu Dat Nguyen; Doyoung Byun
November 2008
Applied Physics Letters;11/10/2008, Vol. 93 Issue 19, p193508
Academic Journal
Recently, inkjet printing technology has become crucial in many industrial fabrication fields mainly due to its advantages of noncontact and fast pattern generation. In this paper, we investigate an electrostatic field induced inkjet printing system, which is based on an electrohydrodynamic process, for drop-on-demand jetting. In order to locate the optimal jetting conditions, we tested jetting performance for various bias voltages and pulse signals. To investigate the characteristics of drop-on-demand operation and micropatterning, we used conductive silver ink and examined the drops and lines patterned on a substrate.


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