A study on driving waveform of a piezoelectric inkjet print head

Jun Y. Hwang; Myong Ki Kim; Sang Ho Lee; Kyungtae Kang; Heuiseok Kang; Young June Cho

doi:10.1117/12.754391

10 October 2007 A study on driving waveform of a piezoelectric inkjet print head

Jun Y. Hwang, Myong Ki Kim, Sang Ho Lee, Kyungtae Kang, Heuiseok Kang, Young June Cho

Proceedings Volume 6717, Optomechatronic Micro/Nano Devices and Components III; 67170T (2007) https://doi.org/10.1117/12.754391
Event: International Symposium on Optomechatronic Technologies, 2007, Lausanne, Switzerland

Abstract

Inkjet printing technology with a drop-on-demand (DOD) inkjet head has been recognized as one of the versatile and low cost manufacturing tools in the electronics industry. However, general strategy to optimize jetting stability has not been understood well, because of the inherent complex multi-physics nature in inkjet phenomena. In this paper, an experimental approach has been adopted to attack this problem. Based on the driving voltage amplitude and duration as the main and controllable parameter, the jetting map of an OLED ink has been constructed and the effect of phase matching between pressure and surface waves at the nozzle tip has been discussed.

Citation Download Citation

Jun Y. Hwang, Myong Ki Kim, Sang Ho Lee, Kyungtae Kang, Heuiseok Kang, and Young June Cho "A study on driving waveform of a piezoelectric inkjet print head", Proc. SPIE 6717, Optomechatronic Micro/Nano Devices and Components III, 67170T (10 October 2007); https://doi.org/10.1117/12.754391

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