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nature : Imbibition Dye film itself is without color, for the production of color photographic film in a category. Its technology and printing industry and printing and dyeing industry of the same principles of color overlay. Filming is to have good color negatives for the other with red, green, blue color color filter, producing three dichroic relief Die films, the three films were carved Die After absorbing yellow, magenta, green color dyes, followed by the overlay of the coated with Mordant blank to accept the photographs, and to obtain the necessary color images. Color photographs can be produced, can also produce color film. It was the color images, displacing good color fastness. However, the technique is quite complicated, only 441 copies printed, the only economically worthwhile. Now rarely used.
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