21135176

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Radio frequency interference (RFI) and electromagnetic interference (EMI) are two of the most common sources of interference that can interfere with the proper operation of electrical and electronic systems. To protect against these sources of interference, shielding and absorptive materials are used to help reduce or eliminate signals from these sources. In this article, we will discuss the application field and working principle of 21135176 shielding and absorbing materials.

Shielding and absorptive materials are used in a variety of applications, including communications, medical, and automotive technology. In particular, shielding materials are typically used to protect equipment and personnel from potential interference from radio frequency fields. Shielding materials are usually either metallic or non-metallic. Metal shielding materials, such as aluminum, copper, or stainless steel, are usually used when a complete barrier against high-energy RFI or EMI is necessary. Non-metallic shielding materials such as plastic, rubber, or ceramic are more effective in blocking lower-energy RFI or EMI.

Shielding materials are typically designed to reflect or absorb electromagnetic energy. Reflective shielding materials will reflect incoming electromagnetic energy away from the equipment or personnel they are intended to protect. This type of shielding is effective at attenuating RF or EMI interference. Absorptive shielding materials absorb electromagnetic energy and convert it into heat. This type of shielding is typically used to reduce overall levels of RF or EMI rather than completely eliminating them.

Absorptive materials use a variety of mechanism to effectively absorb and dissipate the energy required for the absorption of electromagnetic radiation. The most common type of absorptive material is a conductive metal mesh. This material has two layers; a highly conductive outer layer and a non-conductive inner layer. When a signal strikes the metal mesh, the outer layer conducts the signal and allows it to pass through the mesh. Once inside the mesh, the signal is absorbed by the inner layer and then dissipated in the form of heat.

In addition, absorptive materials can also be made from a combination of materials such as rubber and metal. This type of material works by combining the ability of the rubber to absorb incoming electromagnetic waves with the ability of the metal to block them. In this way, the rubber and metal layers work together to absorb the energy of the incoming signal while also blocking any unwanted energy from entering the area.

21135176 shielding and absorptive materials are designed to reduce or eliminate interference from RFI and EMI sources. These materials are used to protect equipment and personnel from potential interference and can be used in a variety of applications. By correctly selecting and deploying the appropriate shielding and absorptive materials, it is possible to reduce or eliminate potentially harmful interference from RFI or EMI sources.

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