An EMC shielding gasket is simply a connector of two opposing metallic surfaces which makes them appear electrically as one continuous RF absorber. See photos.
Nearly every area of the electronic marketplace may require some form of electronic shielding. Primary uses commonly include:
RF gaskets
Grounding
Electrostatic discharge
EMI/RFI shielding for emissions and immunity
High strength copper alloys, and in particular Beryllium Copper, meet the tougher, more demanding specifications due to these inherent characteristics: