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UV
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A portion of the electromagnetic spectrum, or light spectrum. The wavelengths of UV, or ultraviolet, are longer than X rays, but they are shorter than visible light wavelengths. UV wavelengths are useful to the printing industry for imaging printing plates either conventionally, with the use of filmed negatives, or digitally, with the use of UV lasers.
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 The Electromagnetic Spectrum Showing the Position that UV Wavelengths Occupy within the Spectrum |  |
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