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What are the working principles of ferrite absorbing materials

Author:admin   AddTime:2021-04-07

Ferrite absorbing material is a kind of high-tech functional composite material that mainly absorbs electromagnetic waves, and its reflection, scattering and transmission are very small. Its principle is to add electromagnetic lossy substances in the polymer medium. When electromagnetic waves enter the absorption When the wave is inside the material, it promotes the movement of ions, electrons or the transition between electronic energy levels in the constituent material molecules, resulting in conductance loss, high-frequency dielectric loss and hysteresis loss, etc., so that the electromagnetic energy is converted into heat energy and radiated to the space to disappear, thereby Produce absorption. Does not cause secondary pollution due to reflection,



The main characteristics of the absorbing material: thin thickness, good flexibility, high strength, high absorption rate, anti-aging (the carrier is silicone rubber material), stability (-50----180℃), low frequency characteristics (10MHZ--- -10GHz), has good absorption characteristics for both specular waves and surface waves. Widely used in electromagnetic compatibility, electronic instrument equipment, high-frequency equipment, shielding boxes, radio frequency shielding boxes, shielding cabinets, test fixtures, microwave anechoic chambers, absorption and shielding inside industrial microwave energy equipment to prevent microwave leakage, communication and navigation systems, etc. Anti-interference and radiation protection of high-frequency electronic and electrical equipment. Suppress electromagnetic interference, improve the antenna pattern, and improve the accuracy of radar direction finding and ranging; prevent electromagnetic interference, electromagnetic wave radiation and waveform shaping of microwave devices and equipment; microwave anechoic chamber, electromagnetic compatibility room, absorption load, attenuator, radar wave RCS reduction Wait.

Absorbing Material:https://www.goodsmaterial.com/

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