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Definition

• An EMI shielding gasket is a conductive sealing component used to block electromagnetic interference (EMI) and radio frequency interference (RFI) between electronic devices.

Purpose

• It is used to protect electronic equipment from electromagnetic radiation that can disturb signals and device performance.

Material Used

• Typically made from conductive materials such as metal, conductive rubber, silicone, foam, or metal-coated fabrics.

Working Principle

• The gasket creates an electrical connection between two metal surfaces, preventing electromagnetic waves from escaping or entering.

Flexibility

• EMI gaskets are flexible and compressible, allowing them to fit tightly between electronic components.

Types

• Conductive elastomer gaskets

• Metal finger-stock gaskets

• Fabric over foam gaskets

Applications

• Electronic enclosures

• Communication equipment

• Computers and servers

• Medical devices

• Military and aerospace electronic