Transparent hidden body based on bow shape and internal symmetrical structure thereof
A symmetrical structure, transparent technology, applied in electrical components, antennas and other directions, can solve the problems of poor absorption performance of obliquely incident electromagnetic waves, non-transmission of visible light, reduction effect, etc., to achieve good broadband absorption characteristics, mature pattern etching process , the effect of good angle stability
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Embodiment 1
[0024] Embodiment 1: as figure 1 As shown, the basic unit structure includes an uppermost dielectric layer 1 , an upper pattern layer 2 , an upper dielectric substrate 3 , a middle dielectric layer 4 , a lower reflective layer 5 , and a lower dielectric substrate 6 from top to bottom. The upper pattern layer 2 is a centrally symmetrical resonant structure, including an unclosed arcuate ring and a symmetrical graphic structure in the ring; the upper pattern layer 2 in this embodiment is an unclosed arcuate ring and a symmetrical X in the ring. A resonant structure composed of shaped branches, such as figure 2 The symmetrical X-shaped branches in the shown unclosed bow-shaped ring can also be other symmetrical figures that those skilled in the art can think of, such as cross-shaped branches, rice-shaped branches, square rings, regular hexagonal rings, and circular rings. .
[0025] The uppermost dielectric layer 1 is soda lime silica glass, the upper dielectric substrate 3 , ...
Embodiment 2
[0028] Embodiment 2: as figure 1 As shown, the unit structure includes an uppermost dielectric layer 1 , an upper pattern layer 2 , an upper dielectric substrate 3 , a middle dielectric layer 4 , a lower reflective layer 5 , and a lower dielectric substrate 6 from top to bottom. Such as Figure 7 As shown, the upper pattern layer 2 is a centrosymmetric resonant structure, including an unclosed arcuate ring.
[0029] The uppermost dielectric layer 1 is soda lime silica glass, the upper dielectric substrate 3 , the lower dielectric substrate 6 are polyethylene terephthalate, and the middle dielectric layer 4 is polycarbonate. The material of the upper pattern layer 2 and the lower reflective layer 5 is zinc aluminum oxide, and the upper pattern layer 2 is deposited on the upper dielectric substrate 3 by vacuum evaporation, and then obtained by laser etching; the lower reflective layer 5 is obtained by vacuum evaporation. evaporated on the lower dielectric substrate 6 .
[003...
Embodiment 3
[0032] Embodiment 3: as figure 1 As shown, the unit structure includes an uppermost dielectric layer 1 , an upper pattern layer 2 , an upper dielectric substrate 3 , a middle dielectric layer 4 , a lower reflective layer 5 , and a lower dielectric substrate 6 from top to bottom. Such as Figure 9 As shown, the upper pattern layer 2 is a centrally symmetrical resonant structure, including an unclosed bow-shaped ring and symmetrical Pozi-shaped branches inside the ring.
[0033] The uppermost dielectric layer 1 is quartz glass, the upper dielectric substrate 3 , the lower dielectric substrate 6 are polyethylene terephthalate, and the middle dielectric layer 4 is polycarbonate. The material of the upper pattern layer 2 and the lower reflective layer 5 is nano-silver wire, the upper pattern layer 2 is deposited on the upper dielectric substrate 3 by ion plating, and then obtained by laser etching; the lower reflective layer 5 is obtained by ion plating on the lower dielectric su...
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