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18 June 1993 Physical limitations on high-performance piezoelectric pusher technology
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The piezo-electric pusher technology used in the Dataproducts Jolt solid-ink jet color printer is described. Present performance and limitations on the performance are discussed. This technology is well suited for the higher print quality and throughput required for future solid ink printers. To meet these requirements, some improvements in printhead performance and changes in jet array architecture that may be needed are outlined. Areas for performance improvements include range of dot size, dot shape, dot reproducibility, placement accuracy, and drop emission frequency. Limiting characteristics such as instabilities, cross-talk between channels, spurious or satellite drop emission, jet velocity, and ink ligament dynamics are described in terms of how the performance limits could be extended. Experiments and mathematical modeling work that have improved our understanding of the basic operation of the pusher jet are described and the ultimate physical limits explored.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Stuart D. Howkins "Physical limitations on high-performance piezoelectric pusher technology", Proc. SPIE 1912, Color Hard Copy and Graphic Arts II, (18 June 1993);

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