21148380

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The 21148380 application field and working principle is closely related to RF and EMI shielding and absorbing materials.

RF refers to a form of energy which radiates in a straight line or at a particular frequency from source. When transmitted through the air, this energy can cause interference with nearby electronic equipment. This interference can cause harm to the operation of certain sensitive devices and can also cause data loss. EM shielding materials are materials which are used to protect against electromagnetic radiation by either absorbing or reflecting it.

EMI shielding and absorbing materials are designed to protect against both electromagnetic interference (EMI) and radio frequency interference (RFI). EMI shielding is used to prevent the interference created by electromagnetic waves, while RFI shielding is designed to prevent the interference caused by radio frequency signals. The most common types of EMI and RFI shielding materials are conductive materials such as metal, plastic, and foam.

Because EMI and RFI shielding and absorbing materials are made from conductive materials, they can absorb or reflect the EM radiation. When EM radiation comes into contact with a conductive material, it causes it to vibrate and thus absorb some of the energy. When an EM wave strikes a foam material, for example, it will be damped down due to the foam\'s ability to absorb and dissipate the energy. This dampening effect can reduce and/or eliminate the EMI or RFI interference.

For shielded rooms, the materials used will depend on the application. For example, materials that reflect EM radiation, such as metal, are ideal for the construction of conductive walls and floors. On the other hand, RF absorbing materials are necessary for blocking RF signals from entering or leaving the protected environment. EM absorbing foam panels, for example, are often used to line the walls of a shielded room.

In addition to shielding and absorbing materials, there are also products that are designed to reduce EM radiation such as the EM mitigation sheet. This type of sheet consists of a conductive layer with a non-conductive layer on top. When EM radiation is encountered, the conductive layer reflects the EM radiation away from the non-conductive layer, thus reducing the EM radiation.

Overall, 21148380 application fields and working principles are similar to shielding and absorbing materials that are designed to reduce EM radiation and RF interference. Such materials and products can be used in many different industries, from electronic manufacturing to aviation to telecommunications. The benefit of using shielding and absorbing materials is that they can reduce or eliminate interference which can cause damage to sensitive equipment and data loss.

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