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RF(Radio Frequency) and EMI (Electromagnetic Interference) contacts, fingerstock and gaskets are contact materials used to address the concerns of both RF and EMI control. These materials are often used in electrical and electronic systems and components to maintain the integrity of the system and to protect from interference or damage caused by EM radiation.

The basics of an RF or EMI contact are the same; they are typically composed of an electrical conductor that acts as a bridge between two or more electrical or electronic elements to provide a conductive connection between them. These contacts are designed to provide a low resistance connection and are therefore highly conductive.

In order to be effective in controlling EM radiation, RF and EMI contacts need to be of a certain type, depending on the application. The type of contact used for a specific application will be dependent on the voltage that is necessary for the electrical or electronic system as well as the amount of EMI that the system is expected to generate or that is expected to be encountered. The contact material also needs to be able to withstand the voltage it will be exposed to and any other environmental conditions that may be present (temperature, humidity, etc.).

For example, when selecting a contact for a radio frequency application, there are several factors that need to be taken into consideration. These include the signal and voltage levels that will be encountered, the RF protection needed, and the need for other electrical or electronic components. For EMI, the main considerations are the type of contact and the amount of EMI that the system will produce or encounter.

In addition to the contact material, the contact itself also needs to be designed properly. This includes selecting the appropriate contact profile, the contact surface, the type of contact surface, the use of fingerstock and gaskets, and any other design considerations that may be necessary to meet the application requirements. Fingerstock is a flexible material that can be used to effectively shield and transfer the electrical and electronic signals between two or more elements, while gaskets are used to protect the contact from damage due to environmental conditions or vibration.

RF and EMI contacts, fingerstock and gaskets can be used in a variety of applications, including automotive, communications, aerospace, electrical and medical. The type of contact material used will depend on the application, but all of these materials can provide reliable and efficient performance, enabling the application to meet the required electrical and/or EMI standards.

Some of the most common materials used for RF and EMI contacts include copper, aluminum, stainless steel, copper-plated steel, brass and nickel. These metals are highly conductive and have excellent thermal and electrical properties, making them ideal for RF and EMI applications. Copper is often used as a contact material due to its high electrical conductivity, excellent heat dissipation properties, and its ability to withstand most environmental conditions. Aluminum is also often used due to its low cost, availability, and high conductivity.

Fingerstock and gaskets are also important components of RF and EMI contacts. The type of fingerstock and gasket used in a particular application will be determined based on the application requirements and the environment in which the contact will be used. Fingerstock is typically used in applications where the contact must be shielded from EMI, while gaskets are often used to protect the contact from mechanical damage.

RF and EMI contacts, fingerstock and gaskets are critical components for ensuring that electrical and electronic systems and components are able to operate properly and efficiently in a wide range of applications. The type of contact material used will depend on the application, but all of these materials are designed to meet the needs of the application and provide reliable and efficient performance.

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