MULTILAYER INKJET PRINTING ON DARK SUBSTRATE USING WHITE OPAQUE INK AND TRANSLUCENT COLORED INKS
摘要:
A method of printing a desired color onto a nonwhite substrate by additive printing of intermixed translucent color ink and opaque white ink, comprising: printing at least a first layer of ink onto the nonwhite substrate comprising a first mixture of an opaque white ink and at least one substantially translucent color ink, the first layer of ink having a predetermined first ratio of white ink to color ink being less than or equal to 1:1; and printing at least a second layer of ink onto the nonwhite substrate comprising a second mixture of the opaque white ink and the at least one substantially translucent color ink, the second layer of ink having a predetermined second ratio of white ink to color ink being less than or equal to 1:1. The first ratio and the second ratio are substantially equal. A sum of the first printed layer and second printed layer produces the desired color being optically indistinguishable in the visible spectrum from the same color printed onto a white substrate using opaque color inks.
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