Patent ID: 7351920

Claim:
An IC card, comprising: a semiconductor integrated circuit device package having one surface and an other surface opposite to the one surface, which includes a wiring board, a semiconductor integrated circuit chip on the wiring board, and an insulating resin coated over the semiconductor integrated circuit chip to form the other surface of the integrated circuit device package; card terminals on the one surface of the semiconductor integrated circuit device package, the card terminals being electrically connected to the semiconductor integrated circuit chip and re-contactable terminals of an electronic device; and a base card, including a concave portion attached to the other surface of the semiconductor integrated circuit device package, the base card including an apparatus insertion surface, and a card terminal side surface, wherein side walls of the semiconductor integrated circuit device package are spaced apart from the base card, and the card terminal side surface of the base card includes a rib projecting from the card terminal side surface on an end of the card terminal side surface opposite to the apparatus insertion surface.