| 摘要 |
In an image-forming medium, an image-formation layer, formed of white powder, such as calcium carbonate powder, titanium dioxide powder, silica powder, white clay powder or the like, is coated over a transparent synthetic resin film sheet. A microcapsule layer is coated over the image-formation layer, and contains at least one type of microcapsule filled with an ink. The one type of microcapsule exhibits a temperature/pressure characteristic such that each microcapsule is squashed under a predetermined pressure at a predetermined temperature, whereby the ink is discharged from the squashed microcapsule. The image-formation layer is constituted such that the discharged ink is developed in the image-formation layer.
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