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Dynamics of Piezoelectric Inkjet Printing Systems

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Abstract:

In recent years, the inkjet technology has made great strides in the print quality. By introducing fine droplets, deep and light color inks, optimized media, and advanced color and image processing, the latest inkjet printers can produce photo-quality prints. Of these many improvements, the most contributive one is that the innovative piezoelectric print head has reduced the ink droplet size by a factor of ten in the latest five years. This innovation has been accomplished by optimizing head dimensions and driving signals as well as improving the manufacturing and assembling process. The piezoelectric actuator driven by the signal, optimized for the particular print head model, can precisely control the unrestrained ink meniscus vibration at the nozzle openings to achieve multi-sized droplets ejection in a sequent manner as well as stabilized droplet ejection up to the extremely high ejection repetition frequency. This Variable-Sized Droplet Technology (VSDT) has made it possible to introduce the digital photoprinters to the market without trading off the throughput. This paper shows how the piezoelectric inkjet technology has been improved and how much flexibility it has for particular use in home, office and industry.

Document Type: Research Article

Publication date: January 1, 2000

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.
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