Electromagnetic screening optical window with circular ring metal meshed gate structure
A metal grid and electromagnetic shielding technology, applied in the direction of magnetic field/electric field shielding, electrical components, etc., can solve the problems of high light-passing ability and shielding ability, difficult problems, etc., achieve electromagnetic wave polarization insensitivity, diffraction energy ratio reduction, The effect of increasing light transmittance
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[0031] The rings of the present invention are made of metals or alloys with good electrical conductivity and have a certain thickness. The rings are distributed in a two-dimensional orthogonal arrangement. Adjacent rings cover a suitable area of metal at the tangent point to ensure that all rings Both are on. The grid layer can be firmly connected with the transparent substrate of the optical window through chrome or titanium as an adhesive layer; the optical window with the grid layer can be coated with an anti-reflection coating on one side or both sides to increase the light transmittance; the grid layer The surface can be coated with a protective film to prevent scratches, and at the same time prevent the metal from being corroded or oxidized and reduce the shielding ability. Compared with the traditional square metal grid, the new optical window using the ring metal grid can effectively improve the light transmission ability and microwave shielding ability at the same t...
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