A Review of Accelerated Test Methods for Predicting the Image Life of Digitally-Printed Photographs – Part II
Abstract:This paper gives an overview of the various factors affecting the permanence of digitally-printed photographs.1 Accelerated test methods are discussed, with emphasis on light stability tests specified with past and current ANSI and ISO Standards, future ISO Standards, and the “de facto” test method standards now widely used in the imaging industry, such as the predictive “Display Permanence Rating” test method developed by Wilhelm Imaging Research and the predictive stability test methods employed by Eastman Kodak for evaluation of Kodak Ultima Picture Paper (ColorLast, 2003 type). Light stability data for representative products evaluated with these two “de facto” test methods are given, and the major factors that account for the large differences in outcomes are presented.
The potentially large impact of reciprocity failures in highintensity accelerated light stability tests is illustrated with longterm test data for an inkjet paper printed with dye-based inks. The importance of the selection of the spectral power distribution of the illumination source employed for accelerated light stability tests is emphasized.
Document Type: Research Article
Publication date: January 1, 2004
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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