| http://www.w3.org/ns/prov#value | - Although post-forming may be most advantageously pursued using the ???underdrawn??? multilayer optical films described herein, it may also be possible to obtain desirable post-forming results using multilayer optical films including a birefringent material and other materials that do not meet the definitions of underdrawn multilayer optical films, e.g., constructed according to U.S. Pat. No. 08/47
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