Radiation imagery chemistry: process – composition – or product th – Microcapsule – process – composition – or product
Patent
1989-12-20
1991-05-21
Van Le, Hoa
Radiation imagery chemistry: process, composition, or product th
Microcapsule, process, composition, or product
430200, 430203, 430211, 355 27, 355 30, 355 32, G03C 1733
Patent
active
050174525
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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"One Step Lamination and Development of Receiver Sheet for Imaging Systems Employing Photohardenable Microcapsules", L. Feldman, Research Disclosure, Feb. 1989, 2 pages.
Le Hoa Van
The Mead Corporation
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