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Practical Application of UV-LED Curing Technology to UV Inkjet

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Abstract:

UV-LED curing systems have started to play a larger role in many UV curing applications - including wide format and single pass UV inkjet – and their application and adoption will likely continue to accelerate over the next several years.

Adoption is increasing based on the wider availability of suitable UV-LED inkjet ink formulations. The inherent advantages of UV-LED technology - in terms of lifetime, consistency of output, instant on/off and lower heat production, as well as the possibility for systems that are smaller and more robust when compared to existing traditional lamp solution - makes it particularly attractive for UV Inkjet applications.

Just like all new technologies there are important differences, distinctions and choices that must be made if a successful implementation is to be achieved. UV-LED curing systems are not the same as traditional mercury vapor lamp systems and the issues of required irradiance/power output, measurement of irradiance/power and understanding of the effects and availability of wavelengths available today in UV-LED are key in making appropriate decisions about the suitability of the technology. These and other system level considerations will be discussed and the paper will outline several successful implementations of UV-LED for inkjet that are currently in the public domain.

The paper will also outline the challenges and will share some data and insight into the practical application and efficacy of newer generation UV-LED systems when applied to optimized inks sets for UV Inkjet applications.

Document Type: Research Article

Publication date: January 1, 2009

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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