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US08389203B2 Exposing printing plates using light emitting diodes 有权
露出使用发光二极管的印版

Exposing printing plates using light emitting diodes
Abstract:
Particular embodiments include method embodiments and apparatus embodiments. One method embodiment comprises: placing a printing plate on an imaging device; imaging the plate according to imaging data; and applying UV radiation using a plurality of UV emitting LEDs during the process of imaging of the printing plate. In one embodiment, the plate initially has ablatable material, and wherein the imaging includes ablating ablatable material on the plate according to the imaging data to form an ablated plate, and wherein the applying the UV radiation includes exposing the ablated plate to UV radiation to cure the plate. In one embodiment, the imaging device is an external drum imager that includes a drum that rotates during imaging.
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