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What is absorbing material and what are its functions

Author:admin   AddTime:2020-09-03

According to Baidu Encyclopedia: absorbing material is a kind of material that can absorb electromagnetic wave energy projected onto its surface. In engineering application, in addition to high absorption rate of electromagnetic wave in a wide frequency band, it is also required to have the properties of light weight, temperature resistance, humidity resistance and corrosion resistance.



Absorbing materials



With the development of modern science and technology, the impact of electromagnetic radiation on the environment is increasing. In airports, flights are delayed due to electromagnetic wave interference; in hospitals, mobile phones often interfere with the normal operation of various electronic diagnosis and treatment instruments.

1) High absorption band, high absorptivity and thin matching thickness

Electromagnetic radiation causes direct and indirect harm to human body through thermal effect, non thermal effect and cumulative effect. The application of this material in electronic equipment can absorb the leakage of electromagnetic radiation, which can achieve the purpose of eliminating electromagnetic interference. According to the law of electromagnetic wave propagating from the direction of low magnetism to high permeability in medium, high permeability ferrite is used to guide electromagnetic wave. Through resonance, a large amount of radiation energy of electromagnetic wave is absorbed, and then the energy of electromagnetic wave is transformed into heat energy through coupling.

2) Stealth and electromagnetic compatibility (EMC)

The role and status of electromagnetic wave absorbing material is very prominent, and it has become the magic weapon and "secret weapon" of electronic countermeasure in modern military.

Absorbing material: www.goodsmaterial.com

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