Can be used to manufacture antenna covers and low-frequency absorbing materials for lightning protection equipment

Advanced Institute Technology's low-frequency absorbing material is a material with high attenuation characteristics in the sub microwave frequency band, which can be used to absorb the energy of electromagnetic waves. This material exhibits high magnetic permeability in the frequency range of 1 MHz to 3 GHz by introducing magnetic particles of various shapes inside it. This makes low-frequency absorbing materials an ideal surface wave absorbing material, which can effectively suppress the reflection of electromagnetic waves on the material surface.

The design and preparation of low-frequency absorbing materials need to consider their physical properties and chemical composition. In order to achieve high attenuation characteristics, factors such as the size and shape of magnetic particles in the material, as well as the interaction between magnetic particles and the matrix, play a key role. Scientists can control the effective density and magnetization of materials by customizing the size and shape of magnetic particles, thereby achieving absorption of electromagnetic waves.

There are many methods to prepare low-frequency microwave absorbing materials, including sol gel method, solution immersion method, solvent evaporation method, etc. These preparation methods can control the microstructure and pore properties of the material, thereby regulating its absorption performance. For example, in the solution immersion method, by adjusting the number of immersion times and the concentration of the immersion solution, the pore structure and thickness of the material can be controlled, thereby achieving control over the absorption performance.

In addition to controlling the physical properties and preparation methods, the absorption performance of low-frequency absorbing materials is also influenced by their chemical composition. The type and content of magnetic particles have a significant impact on the magnetic permeability and conductivity of materials. Scientists can optimize the absorbing properties of materials within a certain range by adjusting the type and content of magnetic particles.

The application fields of low-frequency absorbing materials are very extensive. In the field of wireless communication, low-frequency absorbing materials can be used to manufacture antenna covers and lightning protection devices, improving the anti-interference performance of communication equipment. In the field of electronic devices, low-frequency absorbing materials can be used to manufacture EMI isolation shielding covers, reducing the impact of electromagnetic radiation. In addition, low-frequency absorbing materials can also be applied in fields such as radar and electromagnetic compatibility testing.

In summary, low-frequency absorbing materials have high attenuation characteristics and have broad application prospects in the sub microwave frequency range. By regulating the physical properties, preparation methods, and chemical composition of materials, the optimization and control of absorbing properties can be achieved. With the continuous development of science and technology, it is believed that low-frequency absorbing materials will play a more important role in the field of electromagnetic wave absorption.