Imaging Conference JAPAN 2019

Presentation information

Oral Presentation

Imaging Conference JAPAN 2019 » Inkjet

[IJ2] Inkjet(2) Evaluation, Analysis

Tue. Jul 2, 2019 3:40 PM - 5:00 PM Main Hall (1st Floor, Keyaki Kaikan)

Session Chair:Takeshi Miyato(Fujifilm Corporation), Satoshi Kimura(Seiko Epson Corporation)

4:00 PM - 4:20 PM

[IJ2-02] Pinch-off of viscous liquid ligament

*Hajime Onuki1, Yoshiyuki Tagawa1 (1. Tokyo University of Agriculture and Technology )

Recently, we have developed a new method for ejecting viscous liquid jets (~10,000 cP) with a wide range of volumes (O(nl)~ O(ml)). Our method can be applied to various printing devices such as 3D printers and printed electronics. The ejected liquid pinches off and forms a droplet. This pinch-off process of the jet is important for controlling the deposited liquid volume. In this study, we investigate the pinch-off process of the jet with varying the jet size and the viscosity. Furthermore, we discuss the universality of the pinch-off process of the liquid ejected by our system with using non-dimensional numbers.

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