Image-forming medium coated with microcapsule layer for forming image
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United States of America Patent
Stats
-
Jun 8, 2004
Grant Date -
Jun 14, 2001
app pub date -
Dec 7, 2000
filing date -
Dec 8, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an image-forming medium, a sheet of paper is coated with a layer of microcapsules which is composed of a binder material and a plurality of microcapsules filled with dye and uniformly distributed in the binder material. The binder material exhibits a predetermined thermal melting point, and the microcapsules exhibit a pressure-breaking characteristic so as to be squashed and broken under a predetermined pressure when said binder material is thermally softened or melted. When a leuco-pigment-based dye is used, a color developer is substituted for the binder material.
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