Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael R. Landry0
Thomas M. Laney0
Charles C. Anderson0
Date of Patent
September 1, 2009
0Patent Application Number
117491820
Date Filed
May 16, 2007
0Patent Primary Examiner
Patent abstract
An optical element comprises a stack of at least three juxtaposed films with at least one inner optical film and two outer transparent films exhibiting high dimensional stability, wherein a controlled tensile force is applied in at least one direction to the two outer films but not the at least one inner film.
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