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Electromagnetic interference (EMI) and radio frequency interference (RFI) have long posed problems for commercial, industrial, and military applications. The proliferation of electronic devices in the modern world has made this type of interference increasingly difficult to manage. Fortunately, there are a number of tools available to help mitigate the effects, including the use of contacts, fingersstock, and gaskets.

Contacts

One of the most effective ways to reduce EMI/RFI interference is to create a direct contact between two pieces of electronic equipment. This is commonly accomplished by installing contact pins or “fingers” on the surface of the equipment. These fingers are then pressed against the metal surface of the other equipment, creating a direct bond between the two components. This bond is capable of preventing electromagnetic energy from radiating from one device to the other, and also helps to protect the equipment from shock and vibration.

In addition to providing a physical link between two pieces of equipment, contacts can also be used to create a secure electrical connection between them. This can be used to either reduce power consumption or to allow the equipment to communicate with each other. This type of contact is essential in creating total electromagnetic isolation and is often used in military applications.

Fingerstock

Fingerstock, or metallic strips, are placed between electronic components in order to mechanically isolate them from each other. This helps to prevent EMI/RFI interference from travelling between the two components. The strips are usually made of a metalized plastic or ceramic material that is resistant to electromagnetic interference. They are also capable of handling extreme temperatures and exposure to harsh chemicals, making them an ideal choice for use in hazardous or extreme environments.

Fingerstock is often used in conjunction with gaskets, as the two materials help to create a complete shield for protecting electronic components from exposure to electromagnetic and radio-frequency energy. The combination of fingerstock and gasketing can greatly reduce the amount of interference and provide a secure barrier between two components.

Gaskets

Gaskets are another important component in providing EMI/RFI protection. Gaskets are used to create a physical barrier between two pieces of equipment. They are usually made of a soft, pliable material, such as rubber, and are capable of providing a tight seal between two components. This seal prevents EMI/RFI interference from travelling between the two pieces of equipment. Gaskets are also capable of handling extreme temperatures and exposure to harsh chemicals, making them an ideal choice for use in hazardous or extreme environments.

Gaskets are often used in conjunction with other forms of EMI/RFI protection, such as fingerstock and contacts. This combination of materials can create a complete shield for protecting electronic components from exposure to electromagnetic and radio-frequency energy.

The use of contacts, fingerstock, and gaskets provides an effective way to reduce EMI/RFI interference between electronic components. This type of protection is essential for ensuring that electronic systems remain secure and operable in a variety of environments. By combining the use of these three materials, engineers can create a comprehensive system of EMI/RFI protection that will help to keep electronic devices functioning properly.

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