Summary
- Zink paper has three layers of amorphochromic dye that are initially colourless, but take on a particular colour depending on temperature.
- The paper can be used in compact photoprinters that can produce colourful images in the pocket-sized “wallet”-format, or larger, up to 4”x6”.
- Zink Imaging licenses the technology to other companies such as HP, Kodak, Dell and Polaro, which then manufacture the printers.
- While some of these photos fade over time, and the paper is expensive, it can be a fun way to produce instant photos without the need for ink.
- Also of interest is how the layersCMYK work.. Temperatures for colour change range from 100 C to 200 C, so colour is selectable layer by layer.
By Al Williams
Original Article