Visualization of drop-on-demand inkjet: Drop formation and deposition

@article{Dong2006VisualizationOD,
  title={Visualization of drop-on-demand inkjet: Drop formation and deposition},
  author={Hongming Dong and W. W. Carr and J. F. Morris},
  journal={Review of Scientific Instruments},
  year={2006},
  volume={77},
  pages={085101}
}
An apparatus developed for visualizing drop-on-demand (DOD) drop formation and impaction on substrates is described. Using a pulsed laser, a low-speed charge coupled device camera, and signal generators, an imaging system based on flash photography is shown to be able to obtain sharp images with a temporal resolution of 200ns and a spatial resolution of 0.81μm∕pixel. Several steps are taken to minimize the “first drop problem” so that excellent reproducibility is achieved; drop formation is… Expand
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