303064032 RF/IF and RFID

Series:	WE-LT
Part Status:	Active
Type:	Fabric Over Foam
Shape:	D-Shape
Width:	0.252" (6.40mm)
Length:	39.370" (1.00m)
Height:	0.126" (3.20mm)
Material:	Polyurethane Foam, Rayon Paper
Plating:	--
Plating - Thickness:	--
Attachment Method:	Non-Conductive Adhesive
Operating Temperature:	-40°C ~ 85°C

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RFI and EMI - Contacts, Fingerstock and Gaskets

Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) can lead to interference in communication systems, disruption to control systems, and even malfunctions in the most advanced electrical engineering systems, and all of these problems can be addressed through the utilization of materials designed to absorb electromagnetic radiation. RFI and EMI contacts, fingerstock and gaskets are devices designed to reduce the amount of interference to electrical signals, allowing systems to run more efficiently and for longer periods of time without experiencing performance degradation.

Contact

RFI and EMI contacts are specialized contact points that are designed to absorb and re-radiate unwanted electromagnetic radiation away from the sensing or control system. Contacts are made up of non-conductive materials such as rubber, plastic, or ceramic that are designed to absorb the unwanted resonances, and then release them in a diffused pattern such as a cone that re-radiates the waves at different frequencies and dissipates them into the atmosphere. Contacts are also manufactured from metal to provide electrical contact between components, and provide shielding when connected to an electrical circuit.

Fingerstock

Fingerstock is an adhesive material used to provide electrical contact between components and the shielding surface of a circuit. It is specifically designed to be flexible and absorb unwanted vibration, and can also be used to reduce vibration and noise when installed around cables or components. Fingerstock is usually made of rubber, plastic, or metal, and is applied directly to the surface of the circuit.

Gaskets

RFI and EMI gaskets are made of metal and are designed to fit between two components to provide electrical contact, and also to provide shielding for the system. Gaskets are usually designed so that they provide both accurate and reliable electrical contact, and also reduce the amount of interference experienced by the system. Gaskets are available in different shapes and sizes and can be used on both cable assemblies and components.

Application Field and Working Principle

RFI and EMI contacts, fingerstock and gaskets are used widely in a range of industries, from aerospace and medical, to automotive and communication. In applications where interference is a problem, these materials can be used to improve the performance of a system by providing electrical contact, while at the same time providing shielding and reducing the amount of interference that enters the system. The working principle of these materials is simple - they absorb and re-radiate the interference, or provide shielding by creating an impenetrable barrier between the signal and the interference. RFI and EMI contacts, fingerstock and gaskets are essential components of any electrical or communication system that needs to be shielded from interference. By providing electrical contact as well as a barrier against unwanted interference, these materials can drastically improve the performance and reliability of any system.

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