Radiation imagery chemistry: process – composition – or product th – Thermographic process – Heat applied after imaging
Reexamination Certificate
2002-03-29
2009-02-10
Chea, Thorl (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Thermographic process
Heat applied after imaging
C430S619000, C430S631000, C430S944000, C430S955000
Reexamination Certificate
active
07488572
ABSTRACT:
An image formation method comprising exposing a photothermographic material10having an image-forming layer and a back layer with a light having a wavelength of 700-850 nm and subjecting it to development in a heat development apparatus provided with a preheating section A, a heat development section B and a gradual cooling section C, wherein the photothermographic material10has at least one coated layer obtained by applying a coating solution containing 20 weight % or more of an organic solvent, and the heat development section B is provided with heating members15on image-forming layer side10aand back layer side10band transportation rollers only on the image-forming layer side10awith respect to the photothermographic material10to be transported in the apparatus. There is provided an image formation method utilizing a photothermographic material, which can form images showing less generation of density unevenness, high contrast and high maximum density without causing physical deformation.
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Birch & Stewart Kolasch & Birch, LLP
Chea Thorl
Fujifilm Corporation
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