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Volume: 40 | Article ID: art00009
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Printing System and Printing Characteristics of Laser Dye Thermal Transfer using a High-Power Laser
  DOI :  10.2352/J.ImagingSci.Technol.1996.40.5.art00009  Published OnlineSeptember 1996
Abstract

In laser dye transfer printing, the small laser spot provides high resolution, but the printing speed is relatively low compared to that of thermal head printing, in which a large number of dots can be recorded simultaneously. To shorten the printing time, a compact high-power Nd:YAG laser is used for the light source in our printing system. We have developed a practical laser dye transfer printing system with a newly developed Nd:YAG laser and compact optical head. Printing characteristics with a short pulse, of the order of 1 ms, are evaluated in this printing system. As a result, continuous-tone printing with a pulse of 2 μs is feasible when laser power is 1.0 W, indicating a significant advance in printing speeds. The transfer efficiency as a function of pulse width has a peak that can be observed. A thick ink layer produces aximum optical density, although a reduction in efficiency results from increasing the layer thickness. Good halftone printing is also performed using this system.

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Y. Odai, T. Kitamura, H. Kokado, M. Katoh, M. Irie, "Printing System and Printing Characteristics of Laser Dye Thermal Transfer using a High-Power Laserin Journal of Imaging Science and Technology,  1996,  pp 412 - 416,  https://doi.org/10.2352/J.ImagingSci.Technol.1996.40.5.art00009

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Copyright © Society for Imaging Science and Technology 1996
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