Infrared optics and manufacture thereof

Optical: systems and elements – Lens – With reflecting element

Reexamination Certificate

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Reexamination Certificate

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06867930

ABSTRACT:
An optic and method of manufacture comprising a center portion comprising a front surface and a back surface and a mangin surrounding the center portion and comprising a front surface and a back surface, wherein the front surface of the center portion is flat and reflective rearward and the front surface of the mangin is spherical.

REFERENCES:
patent: 5969860 (1999-10-01), Mearns

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