20-CBSA-0.75X1.0X0.2

Series:	20-CBS
Part Status:	Active
Type:	Shield, 2-Piece
Height - Overall:	0.200" (5.08mm)
Length - Overall:	1.000" (25.40mm)
Width - Overall:	0.750" (19.05mm)
Ventilation:	Non-Vented
Mounting Type:	Surface Mount

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RF Shields Application Field and Working Principle

Radio Frequency (RF) shields are metallic barriers designed to block out or accurately limit the passage of electromagnetic waves through a space. Typically consisting of low frequency metals or copper surfaces, these shields are highly effective at controlling the amount of electromagnetic radiation that can pass through them. RF shields are also used to protect objects and people from radiation that may originate from radio, television antennae, wireless networks, and other sources.RF shields are used in various settings including industrial, consumer, medical, and military, where they play a vital role in shielding sensitive equipment and personnel from excessive levels of EMI/RFI energy. Industrial RF shields are used to protect electronic components and devices from external EMI/RFI fields. In consumer applications, RF shields are used to filter out interference from digital television signals, cellular towers, and wireless networks. In medical applications, RF shields are used to protect sensitive areas such as operating rooms from radiofrequency interference (RFI). Finally, RF shields are used in the military to protect sensitive areas and equipment from RF interference.In order to understand the working principle of RF shields, one must understand the four distinct parts that make up an RF shield. The first is the inner shield which consists of metal foil, mesh, perforated metal, or other conductive materials. The inner shield is the most important part of the shield because it helps to reduce the transmission of RF. The second component is the outer shield which is usually made out of metallic foil, metal mesh, or other conductive materials that are designed to block out higher frequency energy. The third component is a dielectric material such as an epoxy or elastomer. This helps to absorb and reduce the radio frequency energy before it reaches the inner shield. The fourth and final component is the conductive gasket, which is a rubber, silicone, or elastomer material that is used to provide a complete and secure seal around the shield. These components work together in order to allow the desired amount of RF energy from the source to pass through the outer shield and dielectric material, while the remaining energy is blocked and deflected away from the device.In addition to the application fields described above, RF shields can also be used in a variety of other scenarios. For example, RF shields are used to protect patients and research subjects when exposed to low power, high frequency radiation for medical diagnostic and therapeutic purposes. RF shields are also used in industrial settings to protect machinery and personnel from RF interference generated by powered machinery and other high frequency sources. Finally, RF shields are also used in gaming consoles to protect the user from receiving potential interference from wireless networks.To conclude, RF shields are beneficial in various applications and settings. They are used to block out or limit the passage of high frequency electromagnetic waves and can be tailored for various applications including industrial, consumer, medical, and military settings. RF shields also work by channeling RF energy through inner and outer shields, dielectric material, and conductive gaskets. Finally, RF shields are used for medical purposes, for industrial settings, and even for gaming consoles.

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