METHOD FOR MAKING FLEXOGRAPHIC PRINTING FORMS BY WELDING EDGES OF PHOTOSENSITIVE ELEMENTS WITH MICROWAVE ENERGY
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Jul 10, 2014
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Dec 2, 2011
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Abstract
This invention pertains to a process for making flexographic printing forms, particularly relief printing forms, from two or more photosensitive elements welded to one another at their edges, wherein the welding is accomplished by microwave energy. This invention also relates to sealing edges of a cylindrically-shaped photosensitive element. Using microwave energy provides a smooth surface upon welding with a near disappearance of the weld-lines.
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