Nano Science and Technology Institute
Nanotech 2014 Vol. 2
Nanotech 2014 Vol. 2
Nanotechnology 2014: MEMS, Fluidics, Bio Systems, Medical, Computational & Photonics
Chapter 2: Inkjets, Micro & Nano Fluidics

Fishbone Pattern Phenomena on a Non-Conductive Substrate in Electrohydrodynamic Discharging

Authors:S. Son, S. Lee, J. Choi, S. Haque
Affilation:Sungkyunkwan University, KR
Pages:165 - 168
Keywords:fishbone pattern, electrohydrodynamic printing, electrohydrodynamic discharging
Abstract:The intense electric field concentrated on the meniscus at a nozzle orifice is able to trigger the electro-hydrodynamic (EHD) discharging of tiny droplets or jets [1-2]. The electric field distribution along the pathway from the nozzle to the substrate plays a critical role for the determining the pattern shape. This field distribution is changed continuously by the electrostatic interaction of the charged droplets or jets. Furthermore, if the charges induced in the droplets or jets are accumulated on a non-conductive substrate, distorting the original field and deviating droplets or jets away from the target. By this distorting phenomenon, the various pattern shapes appear in forming a line pattern on a non-conductive substrate. Especially this paper presents fishbone pattern phenomena on a non-conductive substrate in EHD discharging.
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