G - Physics – 03 – F
Patent
G - Physics
03
F
G03F 7/039 (2006.01) B41M 5/24 (2006.01) G03F 7/20 (2006.01)
Patent
CA 2092168
ABSTRACT OF THE DISCLOSURE This invention relates to imageable elements, and more particularly, imageable elements that require no post-exposure development step. Printing plates are typically prepared by imagewise exposing a layer of photosensitive material that has been coated on a substrate, and then removing either the exposed or unexposed portion of the layer, i.e., wash-off development of the layer with an organic or aqueous solvent. Both organic solvents and aqueous solvents have certain shortcomings with respect to environmental pollution. This invention provides an imageable element comprising a substrate having on at least one major surface thereof a layer of energy-sensitive material that is capable of being developed to form a relief image upon exposure to electromagnetic radiation having a wavelength in the ultraviolet-visible-infrared range (i.e., a wavelength ranging from 150 to 1500 nm). This invention also provides methods for imaging the imageable elements of this invention. The energy-sensitive materials suitable for this invention comprise polymers containing azido groups.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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