Abstract: A circuit board shielding assembly includes an electrically conductive fabric over foam gasket that forms part of a circuit board card guide in a computer system. As a user inserts a circuit board assembly into the card guide of the computer system, a carrier tray of the circuit board assembly contacts the electrically conductive fabric of the gasket. The fabric over foam gasket also deforms to follow the geometric contours of the edges of the carrier tray. As such, the fabric over foam gasket forms a substantially continuous electrical contact with the carrier tray and forms part of a Faraday cage to provide EMI shielding to the circuit board. Additionally, the electrically conductive fabric includes certain material properties that cause the fabric to be substantially resistant to flaking electrically conductive fragments when as a user inserts the circuit board assembly within the card guide and generates a shear force relative to the electrically conductive fabric.

Abstract: A grounding member support forms an interference or friction fit with an opening defined by a circuit board. A compliant, electrically conductive grounding member couples to the grounding member support. The grounding member electrically couples a grounding layer of the circuit board with a support mount coupled to the circuit board. During assembly, insertion of the grounding member support within the opening defined by the circuit board creates an expansive or lateral force on the opening. Furthermore, during assembly, the support mount compresses the compliant, electrically conductive grounding member against the circuit board. The interference fit between the grounding member support and the opening along with compression of the grounding member between the circuit board and the support mount limits the amount of stress received by a surface of the circuit board.