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Radio Frequency Interference (RFI) and Electro Magnetic Interference (EMI) are forms of interference which can interfere with communications with signals, either being the transmission of data or the reception of the same. This type of interference can be caused by either strong radio signals or magnetic fields. Contacts, fingerstock and gaskets all are components that are used in the field of RFI and EMI impedance protection.

The application field of contacts, fingersock and gaskets in RFI and EMI are in most cases second to none. Contacts provide an electrical and mechanical interface between two parts, usually in the form of a metallic contact which fits into the mating component of interest. Contacts, fingerstock and gaskets are used in RFI and EMI shielded enclosures to provide a reliable environment free from interference. This type of enclosure is used in many different applications, such as military, aerospace, medical and industrial.

The working principle for contacts, fingerstock and gaskets in RFI and EMI is to provide a level of impedance which is low enough to not cause interference, but at the same time enough to ensure signal integrity is maintained. Contacts are typically plated with nickel or tin, as a low impedance for electrical signals. Fingerstock gaskets are made of conductive flexible material and are designed to provide a low impedance seal and dampen any emission or ingress of interference. Lastly, gaskets are designed to provide a low impedance shield against RF emissions.

In summary, contacts, fingerstock and gaskets are all components used in the field of RFI and EMI impedance protection. The purpose of these components is to provide a low impedance environment, free from interference and ensuring signal integrity is maintained. These components are used in various industries where high quality shielding and protection is required, including military, aerospace, medical and industrial.

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