Patent ID: 6337797
Filing Date: 2002-01-08
Classification: H05K

Abstract:
A Network Interface Card frame comprising:an upper rectangular cover having parallel lateral sides and ends perpendicular to said lateral sides; a lower rectangular cover having parallel lateral sides and ends perpendicular to said lateral sides; a metal plate embedded within each said cover; a PC Board disposed between the upper cover and the lower cover; a plurality of first folding arranged continuously at both lateral sides of said upper and lower covers, each said first folding including a second folding rim extending inwardly toward said metal plate, and each said second folding rim having a hole disposed thereon in order to make said metal plates firmly secured to said upper and lower covers; a convex edge arranged at the perimeter of a lower connection section on said upper cover; and a concave edge corresponding to said convex edge located at perimeter of a connection surface of said lower cover so that an exterior angle of said convex edge on said upper cover can be inserted into a lead angle formed on the interior angle of said concave edge on said lower cover, then said upper and lower covers are welded together by sonic welding and spilling of welding material over said PC Board is avoided.