Image-forming substrate and image-forming system using same
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United States of America Patent
Stats
-
Aug 20, 2002
Grant Date -
N/A
app pub date -
Dec 29, 1998
filing date -
Jan 6, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An image-forming system has an image-forming sheet, and a printer for forming an image on the sheet. The sheet has a sheet of paper, and a layer of microcapsule, coated over the paper sheet, that contains a plurality of microcapsules filled with a dye. A shell wall of each microcapsule is composed of a resin exhibiting a pressure/temperature characteristic such that, when each microcapsule is squashed under a predetermined pressure at a predetermined temperature, the dye seeps from the squashed microcapsule. The microcapsules are covered with an infrared absorbent coating that absorbs infrared rays having a specific wavelength. The printer has a transparent glass plate, and a roller platen elastically pressed against the plate at the predetermined pressure, with the sheet being interposed between the plate and the platen. Further, the printer has an optical scanner for scanning the layer of microcapsules with an infrared beam having the specific wavelength, such that the microcapsules, irradiated by the infrared beam, are heated to the predetermined temperature.
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