3020605 RF/IF and RFID

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Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI) are shieldings that protect electrical and electronic devices from the effects of EMI and RFI. Contacts, fingerstock and gaskets are used to create the shieldings that provide that protection.Contacts are usually used as integral parts in a variety of electrical and electronic applications. They are designed to make electrical contact with another contact to establish an electrical connection. They can also be used to resist corrosion, vibrations and other external forces. Contacts are generally used to prevent static electricity build-ups or to divert electrical currents between two electrical terminals. Commonly used contacts include: metal contacts, miniature contacts, high reliability contacts, switch contacts, female and male contacts, grommet contacts and board level contacts. Fingerstock is a term that is used to refer to a form of elastic contacts that are typically used as an electrical switch. Fingerstock contacts are designed with a conductive material that is usually formed in a loop shape and are placed in the contact port of an electronic device. When the loop of the fingerstock contact is connected to a voltage source, an electromagnetic field is created around the contact point, causing it to open and close. Commonly used fingerstocks are goldfinger, hookup wire, and ribbon cable. Gaskets are used in the manufacture of electronic components and circuit boards. They are used to provide an effective seal between two components in order to protect them from dust, moisture, and other environmental contaminants. Gaskets can be made from materials such as rubber, neoprene, polyurethane, and PTFE. Commonly used gaskets are silicone o-rings, flat gaskets, snap-in gaskets, and self-adhesive gaskets.In summary, when used in combination, contacts, fingerstock and gaskets act as effective barriers that can protect electronic and electrical devices from EMI and RFI. This protection is essential for maintaining the reliability and efficiency of these devices.

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