Normal-contrast lith

Yoel Netz; Arnold Hoffman

doi:10.1117/12.46332

1 August 1991 Normal-contrast lith

Yoel Netz, Arnold Hoffman

Proceedings Volume 1458, Printing Technologies for Images, Gray Scale, and Color; (1991) https://doi.org/10.1117/12.46332
Event: Electronic Imaging '91, 1991, San Jose, CA, United States

Abstract

This paper describes a new type lith system, which while providing infectious development, does so with a relatively much slower kinetics of the continuation stage. Furthermore, the sensitivity of the induction period to exposure is relatively smaller across the exposure spectrum. Theoretical considerations indicate that the above unusual characteristics should produce a normal contract halftone; i.e., a distribution of equal density black dots, whose shape and position are determined by the corresponding image points of the original, and whose size, by their corresponding density. A sytem has been developed that does meet the above kinetics. The system produces a screenless halftone which can be used with ordinary plates, inks, and presses, to provide printed results that are capable of resolving in excess of 600 lines/ins.

Citation Download Citation

Yoel Netz and Arnold Hoffman "Normal-contrast lith", Proc. SPIE 1458, Printing Technologies for Images, Gray Scale, and Color, (1 August 1991); https://doi.org/10.1117/12.46332

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