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Volume: 40 | Article ID: art00005
Photorealistic Ink-Jet Printing Through Dynamic Spot Size Control
  DOI :  10.2352/J.ImagingSci.Technol.1996.40.5.art00005  Published OnlineSeptember 1996

A method has been developed for dynamically modulating the drop volume created by an array piezoelectric drop-on-demand ink-jet printhead. A 4:1 range of volume modulation has been achieved, resulting in approximately a 4:1 range in printed spot area. The modulation is continuous (i.e., not discrete) over a significant part of the total range, and it is achieved with a minimal decrease in throughput. Optical densities for modulated spots have been measured at 300 and 600 dpi for several printhead configurations. Algorithms have been designed to use a combination of continuous modulation and halftoning (using modulated drops) to produce photorealistic images.

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David B. Wallace, Virang Shah, Donald J. Hayes, Michael E. Grove, "Photorealistic Ink-Jet Printing Through Dynamic Spot Size Controlin Journal of Imaging Science and Technology,  1996,  pp 390 - 395,

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Copyright © Society for Imaging Science and Technology 1996
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