27093387

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Radio frequency interference (RFI) and Electromagnetic interference (EMI) are two of the most common issues in electronic industries and in consumer electronics today. The shielding and absorbing materials such as 27093387 can effectively eliminate the interferences and disturbances from external sources. This article explains the application field, working principle and usage of 27093387 as shielding and absorbing materials.

27093387 is an anisotropic conducting foil, mostly applied for shielding and absorbing material within the EMI applications. It is a type of copper clad laminate materials with fire-retardant stiffener, which combines the very advantages of copper foil shielding and foam absorption in one material. Besides, it also has good flexibility to form the desired shape. This material is mainly applied for shielding and absorbing material in EMI applications, like: enclosures, backplanes, cable shields, cable wraps, and other electronic applications.

The working principle of 27093387 is simple and clear. By its very structure, the material is designed to reflect and dissipate electromagnetic radiation. There are two types of absorbers, namely, metallic reflecting surfaces and foam. The metallic reflecting surfaces would guide the incoming fields into an area known as "Faraday cage" which can block the field from going inside. On the other hand, the foam absorbers will absorb the energy and convert them into thermal energy instead of radiating them. The material also has anisotropic conductive layers, which will help to reduce EMI along the transmission paths.

The usage of 27093387 shielding and absorbing materials mainly consists of two steps. Firstly, the material should be cut into shape and size appropriate to fit into the different components as required. Secondly, it should be soldered onto the appropriate component. When the material is correctly connected to the component, it can effectively reduce both the incoming and generated EMI, making the component immune to external interferences.

In conclusion, due to its very structure, 27093387 is suitable for shielding and absorbing material in a wide range of applications, such as electronic enclosures, backplanes, cable shields, and cable wraps. It can effectively guides the incoming electromagnetic fields into Faraday Cage, absorbing it and turning it into thermal energy, instead of radiating it. To use it, it should be cut into shape and size appropriate to the components and soldered on.

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