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Tensioned optical element having crimping frame and spring

  • US 20090201441A1
  • Filed: 02/13/2008
  • Published: 08/13/2009
  • Est. Priority Date: 02/13/2008
  • Status: Abandoned Application
First Claim
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1. An optical element comprising an optical film wherein at least a portion of the optical film is maintained dimensionally stable by a mechanism for application of a controlled tensile force to the optical film, wherein the tensile force is applied by a crimping frame, the crimping frame comprising:

  • a first frame component having a semi-circular groove;

    a second frame component having an extension;

    wherein the first and second frame components interlock together to crimp the optical film; and

    a means to fasten the first and second frame components together.

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