Patent 7264346 was granted and assigned to Konica Minolta on September, 2007 by the United States Patent and Trademark Office.
An inkjet printer having: a recording head provided with an ink nozzle for ejecting ink to a recording medium, the ink being cured by exposure to ultraviolet rays; an ultraviolet irradiation apparatus for applying ultraviolet rays to the ink ejected on the recording medium; and a light trap arranged between the recording head and the ultraviolet irradiation apparatus to prevent the recording head from being exposed to reflected ultraviolet rays emitted from the ultraviolet irradiation apparatus, wherein the light trap has an inorganic ultraviolet ray absorbent coated layer arranged on an ultraviolet ray receiving surface.