An artificial electromagnetic material for impedance matching
An artificial electromagnetic material and impedance matching technology, applied in the field of materials, can solve the problems of many reflections, difficult to meet, low reflection characteristics, etc., to achieve good impedance matching characteristics and meet application requirements.
Active Publication Date: 2016-04-13
KUANG CHI INST OF ADVANCED TECH +1
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Problems solved by technology
[0004] When the electromagnetic wave is incident on the interface between two materials, it usually reflects. For example, when the electromagnetic wave is incident on the general artificial electromagnetic material from the air, there is usually more reflection, which is difficult to meet the needs of equipment such as weapons and equipment, platform invisibility, and radome. Applications with low reflective properties
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[0025] This embodiment provides a new type of artificial electromagnetic material, including at least one material sheet. When there are multiple material sheets, these material sheets are stacked together in a direction perpendicular to its surface, and every two material sheets are stacked together. It becomes a whole through a certain packaging process such as welding, riveting, bonding, etc. or by filling a substance that can connect the two, such as a liquid substrate material, which bonds the existing two material sheets after curing, so that multiple The sheets of block material form a whole.
[0026] Each material sheet includes a substrate and artificial microstructures attached to the upper and lower surfaces of the substrate. The upper and lower surfaces of the substrate are respectively divided into a plurality of substrate units next to each other. Each substrate unit is attached with an artificial microstructure. structure. Artificial microstructures can be atta...
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The invention relates to an artificial electromagnetic material used for impedance matching. The artificial electromagnetic material comprises at least one material sheet layer which comprises a substrate and artificial microstructures attached to the surface of the substrate, the artificial microstructures comprise a first artificial microstructure and a second artificial microstructure which are in different geometrical shapes, at least one first artificial microstructure is attached to one surface of the substrate, and at least one second artificial microstructure is attached to the other surface of the substrate. The artificial electromagnetic material can perform good impedance matching with air, and application requirements of specific occasions can be met.
Description
technical field [0001] The present invention relates to a material, and more particularly, to an artificial electromagnetic material for impedance matching. Background technique [0002] Artificial electromagnetic material is a new type of artificial synthetic material, which is composed of a substrate made of non-metallic materials and multiple artificial microstructures attached to the surface of the substrate or embedded in the substrate. The substrate can be virtually divided into multiple substrate units arranged in an array. Each substrate unit is attached with an artificial microstructure, thereby forming an artificial electromagnetic material unit. The entire artificial electromagnetic material is composed of many such units, just like a crystal It is composed of countless lattices arranged in a certain way. Artificial microstructures are planar or three-dimensional structures with certain geometric figures made of conductive materials, such as ring-shaped, I-shaped...
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IPC IPC(8): H01Q15/00
Inventor 刘若鹏栾琳寇超锋张银
Owner KUANG CHI INST OF ADVANCED TECH