Network interface card frame

Abstract

A network interface card frame comprises chiefly an upper and a lower cover with a metal plate embedded inside respectively and a circuit board encapsulated between the two covers. At both lateral sides of metal plates designed a continuous first folding and second folding rim, a plurality of holes disposed on the second folding rim in order to make metal plates firmly secured within upper and lower plastic frame. At perimeter of the lower connection section of upper cover, a convex edge arranged there with an exterior angle on it. And a concave edge is mounted on the upper connection section of lower cover, corresponding to the convex edge, with a lead angle formed on the interior angle of the concave edge. The exterior angle of convex edge on upper cover could be mounted on the lead angle of the concave edge on lower cover, then the two covers are welded together by using sonic welding so as to avoid welding material spilling over on the surface of interface card.

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