Patent ID: 7166919

Claim:
A leadless type resin-sealed semiconductor package comprising: a resin enveloper having a top face, a bottom face, and at least one side face extending between said top face and said bottom face, said bottom face serving as a mounting face to be applied to a wiring board; a semiconductor chip encapsulated in said resin enveloper; and at least one electrode terminal partially buried in said resin enveloper and having a first face which is exposed on the mounting face of said resin enveloper so as to be coplanar therewith, and a second face which is exposed on the side face of said resin enveloper so as to be coplanar therewith, said as least one electrode terminal being electrically connected to said semiconductor chip, wherein said at least one electrode terminal is formed with a depression which is shaped so that faces defining said depression are exposed to an outside when said resin enveloper is placed on said wiring board such that the mounting face of said resin enveloper is applied thereto.