8102020340 RF/IF and RFID

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RFI and EMI – Contacts, Fingerstock and GasketsIntroductionRFI (Radio Frequency Interference) and EMI (Electromagnetic Interference) are components that cause electromagnetic waves and noise, and are found in electronic devices in order to reduce the overall radiation. The wave and noise that RFI and EMI components create can disrupt other electronic devices. Therefore, an effective RFI and EMI shielding strategy is necessary in order to protect electronic devices and other components. One of the most effective ways to shield against RFI and EMI is the use of contacts, fingerstock, and gaskets. 8102020340 Application Field and Working PrincipleContacts, fingerstock, and gaskets are the most common and most effective components used in RFI and EMI shielding. These components are often made from materials such as copper, tin, or stainless steel. Contacts, fingerstock, and gaskets work together to provide effective RFI and EMI shielding by creating a strong electromagnetic field around the electrical devices, which blocks out all incoming or outgoing RFI or EMI signals.Contacts are used to form the connection between the electrical device and the gasket, which is mounted onto the device. The contacts provide a good conductor for the signal, which will then be blocked by the gasket. The fingerstock is placed between the contacts and the gasket to provide extra shielding for the electrical device.Fingerstock is a flexible material that conforms to the shape of the electrical device, as well as providing a strong adhesive that ensures the gasket and contact are held in place. The fingerstock also helps to not only reduce the amount of waves and noise created by the electrical device, but also it helps to reduce the risk of electron leakage. Gaskets are the outer shell of the device, and they provide a type of physical barrier against RFI and EMI signals from entering or leaving the device.ConclusionIn conclusion, the use of contacts, fingerstock, and gaskets in RFI and EMI shielding provide an effective way to protect electrical devices from any type of unwanted electromagnetic interference. They help to create a strong electromagnetic field around the device, which reduces the amount of radiation created by the device and prevents any incoming or outgoing RFI or EMI signals. By preventing interference, these components help to ensure the device functions correctly and as intended.

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