New Metamaterials and Their Fabrication Process

Abstract

The invention relates to a novel metamaterial and its manufacturing process. The material includes at least one material sheet, each material sheet includes a dielectric substrate, a photosensitive composite layer and a metal layer, and the photosensitive composite layer is located on the dielectric substrate. Between the bottom and the metal layer, the metal layer is fixed on the dielectric substrate through the photosensitive composite layer. The manufacturing process of the novel metamaterial includes the following steps: S1, placing the dielectric substrate flat on the workbench; S2, applying a photosensitive material on the dielectric substrate to form a photosensitive composite layer; S3, applying the artificial metal micro The structure covers the photosensitive composite layer to form a metal layer; S4, irradiating the photosensitive composite layer with ultraviolet light to cure the photosensitive composite layer. The manufacturing process of the invention is simple, and various materials can be selected as the dielectric substrate of the metamaterial through the manufacturing process to meet the requirements of electromagnetic characteristics of different metamaterials, and at the same time, the combination of the dielectric substrate and the metal layer is stronger.

Description

technical field [0001] The invention relates to the field of metamaterials, and more specifically, relates to a novel metamaterial and its manufacturing process. Background technique [0002] Metamaterial is a new type of artificial synthetic material with special electromagnetic response characteristics, so it can be widely used in electromagnetic communication and other fields. The metamaterial comprises at least one material sheet layer, each material sheet layer includes a flat plate-shaped dielectric substrate and artificial metal microstructures attached to the dielectric substrate, the dielectric substrate is mainly a glass fiber epoxy resin curing sheet, The artificial metal microstructure is generally a metal wire with a certain geometric pattern such as "I" shape, snowflake shape, split resonator ring and the like. [0003] However, since the existing metamaterial manufacturing process is based on the PCB processing process, that is, a layer of metal foil is depos...

AI Technical Summary

Problems solved by technology

Therefore, the material of most dielectric substrates can only be the material whose main component is glass fiber, and brittle dielectric substrates, such as ceramics, cannot be used, thus greatly reducing the selectivity of metamaterial dielectric substrates

In addition, the high dielectric constant (ε) and dielectric loss tangent (Tanδ) of metamaterials with glass fibers as dielectric substrates will cause signal attenuation when electromagnetic waves pass through metamaterials made of such dielectric substrates

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