Patent ID: 7928325

Claim:
An electromagnetic shield for covering an electronic component on a printed circuit board, the electromagnetic shield comprising: a frame for being welded onto the printed board and surrounding the electronic component, and the frame defining a slot near the top of the frame; and a lid passing through the slot and sealing the top of the frame; wherein, the electromagnetic shield further comprises at least one fastener fixing the lid to the frame, and the frame comprises a first side wall, a second side wall, a third side wall, and a fourth wall successively connected to form an enclosure, the slot is defined in the first side wall, the second side wall, the third side wall, and the fourth side wall define three grooves respectively, the grooves and the slot cooperatively construct a restricted portion for receiving the lid, the first side wall defines at least one guiding hole in the top of the first side wall, and the guiding hole communicates with the slot.