3025602 RF/IF and RFID

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RF and EMI shielding materials are designed to absorb and prevent the passage of unwanted RF and EMI energies passing through the contacts of an electrical or electronic system. Shielding materials can be categorized into contacts, fingerstock and gaskets. They can provide extremely high levels of RF and EMI shielding performance depending on the application and the materials used.

Contacts are the most commonly used RF and EMI shielding material and can provide the most effective blocking of any type of RF and EMI radiation. Contacts are typically made of metal or insulating material, either of which acts as an electrical barrier that blocks the passage of RF and EMI energies. They are available in a wide range of sizes and styles that can be designed for specific applications and specific shielding needs. Some of the most common contacts are braided cables, foil, conductive adhesive, conductive fabric, and metal plates.

Fingerstock is another type of shielding material that can provide high levels of RF and EMI shielding performance. Fingerstock materials are typically composed of an insulated material like paper or plastic bonded with an adhesive. They are designed to conform to the shape of any contact surfaces, providing a secure connection that can block the passage of RF and EMI energies. Fingerstock materials are particularly useful in applications where a secure connection is needed, such as in shielding of computer monitors or phone lines.

Gaskets are another type of RF and EMI shielding material. Gaskets are typically made from flexible, metal-shielded fabrics that conform to the shape of any contact surfaces. They are usually used to provide a secure shielding between two electrical components. Gaskets are often used in the automotive industry to provide a secure seal between engine components and body panels. Some gaskets are also used to provide RF and EMI shielding for medical implants or other special purpose products.

RF and EMI shielding materials are critical components in any electrical or electronic system and play an important role in limiting the undesirable passage of RF and EMI energies. Proper shielding must be incorporated into any system design to ensure its performance and reliability. Contacts, fingerstock and gaskets can provide a range of effective shielding for any type of application.

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