Optical transparency having an electromagnetic pulse shield

Details Optical transparency having an electromagnetic pulse shield Optical transparency having an electromagnetic pulse shield

H - Electricity

05

K

347/7

H05K 9/00 (2006.01) B64C 1/14 (2006.01) H01Q 15/00 (2006.01)

Patent

CA 2000564

ABSTRACT OF THE DISCLOSURE An optical transparency adapted to substantially attenuate electromagnetic pulses incident on it, yet transmit visible light with minimal distraction being caused by Fraunhofer diffraction. The transparency includes a transparent sheet and a laminated, electrically-conductive grid that defines a densely-packed array of apertures. Each aperture is a modified polygon having multiple curved sides, such that visible light from a remote point source of light is diffracted by the curved sides of each aperture over multiple, diverging, fan-like areas and minimal distraction to a person viewing through the transparency is thereby provided.

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