Absorbing material refers to a type of material that can absorb the electromagnetic wave energy projected on its surface. Through various loss mechanisms of the material, the incident electromagnetic wave is converted into heat or other forms of energy to achieve the purpose of absorbing electromagnetic waves. In engineering applications, in addition to requiring the absorbing material to have a high absorption rate of electromagnetic waves in a wide frequency band, it also requires temperature resistance, humidity resistance, light weight, corrosion resistance and other properties. The absorbing effect of the absorbing material is determined by various electromagnetic mechanisms inside the medium, such as the resonance absorption of the dielectric, electron diffusion, micro-eddy currents, and so on.
•Soft and not fragile, light and thin, easy to process and cut, easy to use, can be installed in a small space
• The product needs to be bonded or pressed on the metal bottom plate to achieve a good absorbing effect
• The product can correspond to diversified sizes and shapes
•High temperature resistance, good flexibility
•Halogen-free, lead-free, meet RoHs directive
• Can be used as a noise countermeasure for flexible cables for mobile devices. (Laptops, game consoles, hands... etc.)
•Reduce the radiation noise of various electronic equipment. (Noise generated by the CPU, etc.)
• Reduce the electromagnetic wave radiation (SAR) of the mobile phone to the human body.
• Reduce internal EMI (resonance, crosstalk) in the shielding frame.
•Reduce the coupling conduction radiation interference between low frequencies and reduce the low frequency echo interference.
Shielding material is a kind of material that can isolate metal, magnetic field, electromagnetic wave between two space areas to control electric field, and induce and radiate from one area to another area. Specifically, it is the material used to make the shield. The shielding body surrounds the interference sources of components, circuits, assemblies, cables or the entire system to prevent the interference electromagnetic field from spreading out. The shielding body wraps the receiving circuit, equipment or system to prevent the influence of the external electromagnetic field.
The difference between absorbing materials and shielding materials:
The electromagnetic wave of the absorbing material cannot go in and out, but the electromagnetic shielding material does not necessarily reflect the electromagnetic wave, but through absorption or reflection, the amount of electromagnetic waves reaching the other side of the shielding material is reduced.