In this study the quality control of the CtP (Computer to Plate) printing plates was observed by analysing the differences in surface coverage caused by the laser power and the developing time oscilations. These two parameters were selected in the printing plate making process because it was assumed that they have large impact on printing plate quality.The results have shoved that changes in laser power during the printing plate exposition and differences in chemical developing time have a great influence on coverage values and conseqently on the printing plate quality. |
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