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    • 8. 发明公开
    • IMPEDANCE MATCHING COMPONENT
    • KOMPONENTE ZUR ANPASSUNG EINER IMPEDANZ
    • EP2688139A1
    • 2014-01-22
    • EP11855246.2
    • 2011-11-18
    • Kuang-Chi Innovative Technology Ltd.Kuang-Chi Institute of Advanced Technology
    • LIU, RuopengXU, GuanxiongLUAN, LinJI, ChunlinZHAO, ZhiyaFANG, Nenghui
    • H01P3/18
    • H01P1/2005G02B1/002H01Q15/0026H01Q15/0086H05K1/0236H05K1/024H05K1/025
    • The present disclosure discloses an impedance matching component disposed between a first medium and a second medium, which is formed by stacking a plurality of homogeneous metamaterial sheet layers in a direction perpendicular to surfaces thereof. Each of the metamaterial sheet layers comprises a substrate and a plurality of man-made microstructures attached thereon. A first and last metamaterial sheet layers have impedances identical to those of the first and second media respectively. The man-made microstructures attached on the first metamaterial sheet layer have a first pattern, the man-made microstructures attached on the last metamaterial sheet layer have a second pattern, and the man-made microstructures attached on intermediate ones of the metamaterial sheet layers have patterns that are combinations of the first and second patterns, with the first pattern becoming smaller continuously and the second pattern becoming larger continuously in the stacking direction of the metamaterial sheet layers. In the impedance matching component of the present disclosure, a plurality of metamaterial sheet layers are stacked to form impedance gradient layers, so the impedance matching component can prevent an abrupt change in impedance between the two media. Thereby, the problem that an electromagnetic wave propagating through an interface between two different media suffers an energy loss due to reflection is solved.
    • 本公开公开了一种设置在第一介质和第二介质之间的阻抗匹配部件,其通过在垂直于其表面的方向上堆叠多个均匀的超材料片层而形成。 每个超材料片层包括基底和附着在其上的多个人造微结构。 第一和最后的超材料片层分别具有与第一和第二介质相同的阻抗。 附着在第一超材料片层上的人造微结构具有第一图案,附着在最后的超材料片层上的人造微结构具有第二图案,并且附着在中间的超材料片层上的人造微结构具有 作为第一图案和第二图案的组合的图案,第一图案在超材料片层的堆叠方向上连续变小,第二图案连续变大。 在本公开的阻抗匹配部件中,堆叠多个超材料片层以形成阻抗梯度层,因此阻抗匹配部件可以防止两个介质之间的阻抗的突然变化。 因此,解决了通过两个不同介质之间的界面传播的电磁波由于反射而遭受能量损失的问题。
    • 10. 发明公开
    • WAVE-ABSORBING METAMATERIAL
    • WELLENABSORBIERENDES METAMATERIAL
    • EP2693860A1
    • 2014-02-05
    • EP11862653.0
    • 2011-11-30
    • Kuang-Chi Institute of Advanced TechnologyKuang-Chi Innovative Technology Ltd.
    • LIU, RuopengLUAN, LinZHAO, ZhiyaWANG, Wenjian
    • H05K9/00
    • G21F1/08H01Q17/00H01Q17/002H05K9/0086
    • The present invention relates to a wave-absorbing metamaterial, comprising a substrate which is provided with two opposite lateral surfaces, wherein a plurality of periodically arranged artificial metal microstructures are attached on at least one of the two opposite lateral surfaces; when an electromagnetic wave having an incident direction vertical to the two opposite lateral surfaces of the substrate is transmitted to the wave-absorbing metamaterial, a relative permittivity of the metamaterial is substantially equal to a relative magnetic conductivity of the metamaterial. A wave-absorbing principle different from that of a conventional wave-absorbing material is employed on the wave-absorbing metamaterial; an ideal wave-absorbing effect is achieved by periodically arranging various artificial metal microstructures on the substrate and adjusting the artificial metal microstructures; and the wave-absorbing metamaterial has the advantages of minor weight, small thickness and simply adjustable electromagnetic parameters.
    • 本发明涉及一种波浪吸收超材料,其特征在于,具有设置有两个相对的侧面的基板,其中在所述两个相对的侧面中的至少一个上附着多个周期性布置的人造金属微结构体; 当具有垂直于基板的两个相对侧表面的入射方向的电磁波被传递到吸波超材料时,超材料的相对介电常数基本上等于超材料的相对磁导率。 在吸波超材料上采用与传统吸波材料不同的波吸收原理; 通过在基板上周期性地布置各种人造金属微结构并调整人造金属微观结构,实现理想的波浪吸收效果; 吸波材料具有重量轻,厚度小,电磁参数简单等优点。