The Direct-to-Card printing technology further uses two significant methods: dye-sublimation and resin thermal transfer. Dye-sublimation is the process in which the dye is transferred to a material using heat. Dye-sublimation, today, is better off called dye diffusion to kill the concept of turning solid to gas without getting onto the liquid state (which is the scientific idea of the word sublimation) which is not really observed in the entire process. The images obtained after the process are print-smooth, continuous-tone images on plastic cards, which are photographic in looks. This image quality was derived from the color panels which are grouped in a repeating series of colors.
These colors are called YMC or Yellow, Magenta, and Cyan. The print heads which actually contains thermal elements heats the dyes on the ribbon. The dyes then evaporate and disperse into the card. The color panels have their own ways. Through the combination of YMC and through the use of different degrees of heat, the colors are transferred and the printer may produce varying colors. The resin thermal method on the other hand uses only one ribbon. This single-ribbon is used to print black text on plastic cards. It may also print crisp bar codes. This differs only with the dye-sublimation process because of its use of transferred solid dots of color instead of making combination of colors through heat pressure.
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