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A New, Full-Color, Direct Thermal Imaging System

机译:全新的全彩直接热成像系统

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摘要

A direct thermal printing medium is described that incorporates two color-forming layers separated by a thermally-insulating layer. Any combination of the two colors may be obtained by heating with a conventional thermal print head. Independent addressing of each color is achieved by controlling the time of heating and the power supplied to the heating elements of the print head. In combination with a third color-forming layer that is printed from the reverse side of the medium, full-color imaging with photographic quality is possible using two passes with a single thermal print head or a single pass with two print heads. A novel thermal color-forming process based upon phase change of colorless crystals provides images of excellent quality and stability.
机译:描述了一种直接热敏打印介质,该介质包含两个由隔热层隔开的成色层。可以通过用常规的热敏打印头加热来获得两种颜色的任何组合。通过控制加热时间和提供给打印头加热元件的功率,可以实现每种颜色的独立寻址。结合从介质反面打印的第三色形成层,可以使用一个热敏打印头进行两次扫描或使用两个打印头进行一次遍历,从而实现具有摄影质量的全色成像。一种基于无色晶体相变的新型热成色工艺,可提供质量和稳定性极佳的图像。

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