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This invention describes a finished printed item, not a printer or a process. It's a layered product consisting of an image support, a color-receiving layer with the image printed on its underside (touching the image support), and a transparent protective sheet on top. The color-receiving layer contains tiny inorganic particles, and the transparent sheet is made from two different plastic emulsions with specific temperature properties, one of which remains as tiny particles within the sheet. One specific version of this product has the image printed in reverse.
Why it matters: Since 2018, advancements in polymer chemistry and precision coating technologies may have made it more feasible or cost-effective to manufacture such multi-layered materials with controlled emulsion properties, meeting increased demands for durable, high-quality thermal prints.
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