Apparatus and method for selectively exposing photosensitive materials using a spatial light modulator
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[0031]The present description is directed in particular to elements forming part of, or cooperating more directly with, apparatus in accordance with the invention. It is to be understood that elements not specifically shown or described may take various forms well known to those skilled in the art.
[0032]For the purposes of this application, the terms “photosensitive” and “photoreactive” are considered to be equivalent. In a preferred embodiment, the system and method of the present invention are directed to exposure of photoreactive materials in optical films used for alignment of LCP layers, however, the system and methods disclosed herein can be more broadly applied to fabrication of optical films overall, wherever a layer of photosensitive material is exposed or irradiated to take advantage of a photoreaction as part of optical film manufacture.
[0033]With respect to optical films, a substrate layer must have sufficient mechanical strength to serve as a support for additional layers.
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