Droplet Generation and Piezoceramic Actuation of a Jetting Inker

Lue Zhang; Hong Hu; Yong Cao

doi:10.4028/www.scientific.net/KEM.480-481.574

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 480-481Droplet Generation and Piezoceramic Actuation of a...

Droplet Generation and Piezoceramic Actuation of a Jetting Inker

Abstract:

To reveal the jetting of fine drops, model of 2-phase flow between gas and liquid is offered based on volume of fluid method. Numerical simulation is launched for the droplet generation through narrow nozzle, and key factors are discussed. Aiming at the ink marking of defective dies in IC production, a jetting inker driven by piezoceramic stacks is developed. The actuation properties are derived; waveform of induced pressure at nozzle entrance is estimated, which coincides the numerical results. Performance of ink dot jetting is evaluated and simulation results are verified.

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Key Engineering Materials (Volumes 480-481)

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574-579

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https://doi.org/10.4028/www.scientific.net/KEM.480-481.574

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Online since:

June 2011

Authors:

Lue Zhang, Hong Hu, Yong Cao

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Droplet Generation, Jetting Inker, Multiphase Flow, Piezoceramics Actuator

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