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Further Investigations into Accelerated Light Fade Reciprocity of Inkjet Photographic Prints

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The use of high-intensity illumination to accelerate the fade of photographic prints in order to predict long-term performance under ambient illumination rests on the assumption that the Reciprocity Law is valid over the range of illumination intensities between the accelerated and ambient conditions. Simply stated, the Reciprocity Law predicts that the extent of a light-induced chemical reaction, e.g., fade of an inkjet colorant, is directly proportional to the cumulative exposure (intensity x time) independent of the illumination intensity. Reciprocity failure is said to occur when equivalent cumulative exposures at different intensities result in differing amounts of fade. In this study we investigated the reciprocity behavior of a variety of ink-media combinations in response to high- (80 klux) and low- (5.4 klux) intensity polycarbonate-filtered fluorescent illumination. We will also briefly review recent results for high- (50 klux) and low- (5.4 klux) intensity glass-filtered xenon illumination.

Document Type: Research Article

Publication date: 2006-01-01

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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