Patent ID: 7361030

Claim:
A mounting structure of a high frequency apparatus comprising: a box-shaped frame that is formed of a metal plate and has an open surface; a cover that is formed of a metal plate and is mounted on the frame so as to cover the open surface; a circuit board that is disposed in the frame and has electronic parts mounted on wiring patterns; a plurality of terminals that are connected to the wiring patterns and protrude outside the frame; and a mother board that has conductive patters connected to the terminals, wherein, in an outer circumference around the terminals, an enclosed portion, which is brought into contact with the mother board and is enclosed by a ring-shaped convex portion provided in the cover, or an enclosed portion, which is brought into contact with the mother board and is enclosed in a ring shape by a convex portion provided in the cover and extending portions from the frame, are provided, wherein the terminals connected to the conductive patterns of the mother board are electrically shielded by the enclosed portion, and wherein the convex portion provided in the cover has a swelled portion that is provided at one side of the cover, the extending portions provided in the frame are formed to extend over the wall portion, from which the terminals protrude, in the same direction as the swelled portion, and the terminals protruding from the wall portion are electrically shielded by the enclosed portion having the swelled portion and the extending portions.