21226179

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Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) are the unwanted effects of electric and electronic systems that manifest as disturbances in communication, signals, and data. In order to reduce or eliminate these intrusions, shielding and absorbing materials are commonly utilized. The 21226179 application field and working principle of these materials is explained below.

One of the most useful shielding and absorbing materials is the 21226179 polymeric resin, which is used to refute the propagation of RFI and EMI. It works by forming a physical barrier that prevents the transmission of electromagnetic waves. This type of material is typically available in sheets and may be used as an insulation layer to bolster the strength of existing barriers or as a stand-alone material for high-shielding capacity. Additionally, these materials can also be used to absorb RFI and EMI, thus minimizing their harmonics.

Other shielding and absorbing materials include: metallic shielding, composite materials, thermally conductive materials, electrically conductive rubber, and thermally conductive rubber. Metallic shielding is often used in cases where the frequency of the emitted RFI and EMI is known, as it can be tailored to provide the optimal shielding effect. Composite materials are made up of several layers of different materials, such as paper, metal, or plastic, which can be used to increase the effective shielding capacity.

Thermally conductive materials are also used to dampen the transmission of electromagnetic waves, thus reducing their effect. Electrically conductive rubber is a conductive elastomeric material that serves as an effective EMI shield. Finally, thermally conductive rubber is a type of material that is engineered to have thermal and electrical properties that effectively dissipate the energy of the RFI and EMI waves, thus reducing their magnitude.

To prevent the infiltration of RFI and EMI, anyone working with electronic devices must utilize the aforementioned materials. It is important to identify the type and frequency of interference before selecting an appropriate shielding and absorbing material, as each material has different properties that are best suited to a certain frequency range. Additionally, proper installation and maintenance of these materials is necessary to ensure optimal performance.

In conclusion, shielding and absorbing materials are widely used to reduce or eliminate the effects of RFI and EMI in electrical and electronic systems. These materials come in a variety of forms and properties and can be tailored to suit specific frequency ranges. Utilizing these materials in the correct manner increases the efficiency of a system, reducing interference while increasing its performance.

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