A New Compact High Resolution Solid Ink Print Head and its Application to a Plate Making Printer

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Abstract:

A new ink jet printhead of the push mode type has been developed for use with solid ink and applied to a direct plate-making printer, Model SJ02A, for the offset press. Stack piezoelectric transducers (PZT), that displace in the direction of polarization, permit jetting of solid ink at frequencies in excess of 20 kHz. Standard dot density is 600 dpi. Drop size is modulated, by driving the transducers in a multi-pulse mode. A press plate is constructed by jetting hydrophobic solid ink from the printhead onto the hydrophilic plate. The plate is used directly on the offset press. Advantages of this printing system are the elimination of the developing process, and allowing use of various plate materials, such as, paper based plate, film plate, and aluminum based plate. The printhead can also be used to successfully jet liquid ink of viscosity in the range 5 - 20 cP, and thus can be applied to industrial printers in general.

Document Type: Research Article

Publication date: January 1, 1998

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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