Arbitrary surface optical element and method of making the same

Optical waveguides – Miscellaneous

Reexamination Certificate

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C359S838000, C359S871000

Reexamination Certificate

active

11533763

ABSTRACT:
An arbitrary surface optical element, such as a mirror for use in a rear projection television, includes a non-optical portion and an optical portion. The non-optical portion circumscribes the optical portion and has a thickness greater than the optical portion. Accordingly, the two portions cool at approximately the same rate, thereby minimizing warpage from differential cooling.

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Alexander Do, “Evaluation of a Short-run injection molding process with somos nanoform 15120 tooling” UC Berkeley, Dec. 2005.
Process Guide—Injection Molding of KOPA66, no date.

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