Low pass wave-transmitting material and antenna housing and antenna system of low pass wave-transmitting material
A transparent wave and radome technology, which is applied in the direction of antenna, radiation unit cover, electrical components, etc., can solve the problem that low transparent wave cannot eliminate interference, etc., achieve a good working environment, increase transmission, and enhance the performance of wave transmission.
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[0021] The invention provides a dual-frequency band-pass low-pass wave-transparent material, such as figure 1 As shown, it includes a first substrate 10 and a second substrate 20 made of non-metallic materials, and a plurality of metal microstructures 30 sandwiched between the first substrate 10 and the second substrate 20 and arranged in an array. The metal microstructure 30 is a square patch, and there is a preset distance between adjacent square patches. A plurality of metal microstructures 30 constitute the first metal layer A. As shown in FIG. The metal microstructure 30 is a planar structure made of conductive material with a certain geometric pattern. The conductive material here can be metal materials with good electrical conductivity such as gold, silver, and copper, or an alloy material whose main component is one or two of gold, silver, and copper, or carbon nanotubes, aluminum-doped oxides, etc. Conductive non-metallic materials such as zinc and indium tin oxide....
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