Infrared stealth film for radar antenna and preparation method thereof
A radar antenna and film technology, applied in the field of infrared stealth film and its preparation, can solve the problems of large heat accumulation, unsuitable radar antenna, and limited stealth effect, so as to enhance infrared stealth performance, realize effective stealth and timely heat dissipation, and improve The effect of battlefield survival probability
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[0017]The present invention will be further explained below in conjunction with the drawings:
[0018]Such asFigure 1-4As shown, the infrared stealth film for radar antennas of this embodiment has a multilayer film structure. The multilayer film structure includes a substrate and a high refractive index material alternately stacked from the inside to the outside on the substrate. Layer and low refractive index material layer, the specific arrangement is:
[0019]SUB|(H1L1)m(H2L2)n|AIR,
[0020]Among them, SUB is the base, AIR means air, and H1, H2Represents two thicknesses of high refractive index material, L1, L2Represents two thicknesses of low refractive index materials, each layer has a specific physical thickness, m and n represent the number of layers; H1The thickness is 200~500nm, H2The thickness is 400~600nm, L1The thickness is 900~1200nm, L2The thickness is 1200-1500nm, m is 4-8, and n is 3-7.
[0021]In this embodiment, the thickness H of the high refractive index material tellurium (...
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