Method for image developing on plain paper utilizing a developer-donor sheet
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United States of America Patent
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May 21, 1991
Grant Date -
N/A
app pub date -
Dec 20, 1989
filing date -
Dec 20, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for forming images on plain paper is disclosed, comprising the steps of: image-wise exposing an imaging sheet, said imaging sheet comprising a support having a layer of photosensitive microcapsules on the surface thereof, said microcapsules containing a photohardenable or photosoftenable composition including a photoinitiator, and a color precursor; assembling said image-wise exposed imaging sheet with a sheet of plain paper; subjecting said assembly of said imaging sheet and said plain paper to a uniform rupturing force to cause said photosensitive microcapsules to rupture and transfer an image-wise pattern of said color precursor to said plain paper thereby forming a latent image thereon; separating said imaging sheet from said plain paper; assembling said plain paper bearing said latent image with a developer-donor sheet comprising a support having a layer of a developer on the surface thereof to form a second assembly; subjecting said second assembly to a uniform force to transfer said developer to said plain paper bearing said latent image whereupon said developer reacts with said color precursor to form a visible image.
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